=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Skipping vulnerability checks.
WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/pkg/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for lilypond-2.18.2nb23
mkdir -p ./out
/usr/pkg/bin/gmake --no-builtin-rules -C scripts/build
echo 2.18.2 > out/VERSION
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build'
cd /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/out && rm -rf bin lib share
mkdir -p ./out/bin
true
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build'
mkdir -p ./out/share/lilypond/current
mkdir -p ./out/lib/lilypond/current
mkdir -p ./out/share/lilypond/current/elisp
mkdir -p ./out/share/lilypond/current/fonts
mkdir -p ./out/share/lilypond/current/fonts/otf
mkdir -p ./out/share/lilypond/current/fonts/tfm
mkdir -p ./out/share/lilypond/current/fonts/type1
mkdir -p ./out/share/lilypond/current/fonts/svg
mkdir -p ./out/share/lilypond/current/fonts/map
mkdir -p ./out/share/lilypond/current/fonts/enc
mkdir -p ./out/share/lilypond/current/tex
cd ./out/bin && \
	ln -sf ../../lily/out/lilypond . && \
	for i in abc2ly convert-ly etf2ly lilymidi lilypond-book lilypond-invoke-editor midi2ly musicxml2ly; \
		do ln -sf ../../scripts/out/$i . ; done
cd ./out/lib/lilypond/current && \
	ln -s ../../../../python/out python
cd ./out/share/lilypond/current && \
	ln -s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/ly ly && \
	ln -s ../../../../mf mf && \
	ln -s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/ps && \
	ln -s ../../../../python/out python && \
	ln -s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scm && \
	ln -s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts scripts
cd ./out/share/lilypond/current/tex && \
	ln -s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/tex source && \
	ln -s ../../../../../tex/out tex-out && \
	true
cd ./out/share/lilypond/current/fonts && \
	ln -s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf source && \
	true
cd ./out/share/lilypond/current/elisp && \
	ln -sf ../../../../../elisp/out/lilypond-words.el . && \
	ln -s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/elisp/*.el .
(mkdir -p ./out/share/locale/ca/LC_MESSAGES && cd ./out/share/locale/ca/LC_MESSAGES && ln -sf ../../../../../po/out/ca.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/cs/LC_MESSAGES && cd ./out/share/locale/cs/LC_MESSAGES && ln -sf ../../../../../po/out/cs.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/da/LC_MESSAGES && cd ./out/share/locale/da/LC_MESSAGES && ln -sf ../../../../../po/out/da.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/de/LC_MESSAGES && cd ./out/share/locale/de/LC_MESSAGES && ln -sf ../../../../../po/out/de.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/el/LC_MESSAGES && cd ./out/share/locale/el/LC_MESSAGES && ln -sf ../../../../../po/out/el.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/eo/LC_MESSAGES && cd ./out/share/locale/eo/LC_MESSAGES && ln -sf ../../../../../po/out/eo.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/es/LC_MESSAGES && cd ./out/share/locale/es/LC_MESSAGES && ln -sf ../../../../../po/out/es.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/fi/LC_MESSAGES && cd ./out/share/locale/fi/LC_MESSAGES && ln -sf ../../../../../po/out/fi.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/fr/LC_MESSAGES && cd ./out/share/locale/fr/LC_MESSAGES && ln -sf ../../../../../po/out/fr.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/it/LC_MESSAGES && cd ./out/share/locale/it/LC_MESSAGES && ln -sf ../../../../../po/out/it.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/ja/LC_MESSAGES && cd ./out/share/locale/ja/LC_MESSAGES && ln -sf ../../../../../po/out/ja.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/nl/LC_MESSAGES && cd ./out/share/locale/nl/LC_MESSAGES && ln -sf ../../../../../po/out/nl.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/ru/LC_MESSAGES && cd ./out/share/locale/ru/LC_MESSAGES && ln -sf ../../../../../po/out/ru.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/sv/LC_MESSAGES && cd ./out/share/locale/sv/LC_MESSAGES && ln -sf ../../../../../po/out/sv.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/tr/LC_MESSAGES && cd ./out/share/locale/tr/LC_MESSAGES && ln -sf ../../../../../po/out/tr.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/uk/LC_MESSAGES && cd ./out/share/locale/uk/LC_MESSAGES && ln -sf ../../../../../po/out/uk.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/vi/LC_MESSAGES && cd ./out/share/locale/vi/LC_MESSAGES && ln -sf ../../../../../po/out/vi.mo lilypond.mo) &&  (mkdir -p ./out/share/locale/zh_TW/LC_MESSAGES && cd ./out/share/locale/zh_TW/LC_MESSAGES && ln -sf ../../../../../po/out/zh_TW.mo lilypond.mo) && true
touch ./out/share/lilypond/current/lilypond-force
/usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C python all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C scripts all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C flower all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C lily all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C mf all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C ly all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C tex all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C ps all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C scm all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C po all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C vim all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C input all &&  /usr/pkg/bin/gmake --no-builtin-rules PACKAGE=LILYPOND package=lilypond -C Documentation all && true
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python'
/usr/pkg/bin/gmake PACKAGE=LILYPOND package=lilypond -C auxiliar all && true
gmake[2]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/auxiliar'
true
gmake[2]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/auxiliar'
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
cat convert-ly.py | sed -e '#'  -e '/@relocate-preamble@/r /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/./out/relocate-preamble.py' -e 's%@relocate-preamble@%%g' | sed -e '#'  -e 's!@BASH@!/usr/pkg/bin/bash!g'  -e 's!@BUILD_VERSION@!1!g'  -e 's!@DATE@!23JUL21!g'  -e 's!@FONTFORGE@!/usr/pkg/bin/fontforge!g'  -e 's!@GUILE@!/var/pkgsrc/work/print/lilypond/work/.buildlink/bin/guile!g'  -e 's!@MICRO_VERSION@!2!g'  -e 's!@MAJOR_VERSION@!2!g'  -e 's!@MINOR_VERSION@!18!g'  -e 's!@NCSB_DIR@!/usr/pkg/share/fonts/urw!g'  -e 's!@PACKAGE@!LILYPOND!g'  -e 's!@PATCH_LEVEL@!2!g'  -e 's!@PATHSEP@!:!g'  -e 's!@PERL@!/usr/pkg/bin/perl!g'  -e 's!@PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@SHELL@!/bin/sh!g'  -e 's!@TARGET_PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@TOPLEVEL_VERSION@!2.18.2!g'  -e 's!@bindir@!/usr/pkg/bin!g'  -e 's!@datadir@!/usr/pkg/share!g'  -e 's!@date@!23JUL21!g'  -e 's!@lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@lilypond_docdir@!/usr/pkg/share/doc/lilypond!g'  -e 's!@lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@local_lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@local_lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@localedir@!/usr/pkg/share/locale!g'  -e 's!@outdir@!./out!g'  -e 's!@package@!lilypond!g'  -e 's!@prefix@!/usr/pkg!g'  -e 's!@program_prefix@!!g'  -e 's!@program_suffix@!!g'  -e 's!@sharedstatedir@!/usr/pkg/com!g'  -e 's!@src-dir@!.!g'  -e 's!@top-src-dir@!/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2!g' > out/convert-ly
cat lilypond-book.py | sed -e '#'  -e '/@relocate-preamble@/r /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/./out/relocate-preamble.py' -e 's%@relocate-preamble@%%g' | sed -e '#'  -e 's!@BASH@!/usr/pkg/bin/bash!g'  -e 's!@BUILD_VERSION@!1!g'  -e 's!@DATE@!23JUL21!g'  -e 's!@FONTFORGE@!/usr/pkg/bin/fontforge!g'  -e 's!@GUILE@!/var/pkgsrc/work/print/lilypond/work/.buildlink/bin/guile!g'  -e 's!@MICRO_VERSION@!2!g'  -e 's!@MAJOR_VERSION@!2!g'  -e 's!@MINOR_VERSION@!18!g'  -e 's!@NCSB_DIR@!/usr/pkg/share/fonts/urw!g'  -e 's!@PACKAGE@!LILYPOND!g'  -e 's!@PATCH_LEVEL@!2!g'  -e 's!@PATHSEP@!:!g'  -e 's!@PERL@!/usr/pkg/bin/perl!g'  -e 's!@PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@SHELL@!/bin/sh!g'  -e 's!@TARGET_PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@TOPLEVEL_VERSION@!2.18.2!g'  -e 's!@bindir@!/usr/pkg/bin!g'  -e 's!@datadir@!/usr/pkg/share!g'  -e 's!@date@!23JUL21!g'  -e 's!@lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@lilypond_docdir@!/usr/pkg/share/doc/lilypond!g'  -e 's!@lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@local_lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@local_lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@localedir@!/usr/pkg/share/locale!g'  -e 's!@outdir@!./out!g'  -e 's!@package@!lilypond!g'  -e 's!@prefix@!/usr/pkg!g'  -e 's!@program_prefix@!!g'  -e 's!@program_suffix@!!g'  -e 's!@sharedstatedir@!/usr/pkg/com!g'  -e 's!@src-dir@!.!g'  -e 's!@top-src-dir@!/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2!g' > out/lilypond-book
chmod 755 out/convert-ly
cat abc2ly.py | sed -e '#'  -e '/@relocate-preamble@/r /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/./out/relocate-preamble.py' -e 's%@relocate-preamble@%%g' | sed -e '#'  -e 's!@BASH@!/usr/pkg/bin/bash!g'  -e 's!@BUILD_VERSION@!1!g'  -e 's!@DATE@!23JUL21!g'  -e 's!@FONTFORGE@!/usr/pkg/bin/fontforge!g'  -e 's!@GUILE@!/var/pkgsrc/work/print/lilypond/work/.buildlink/bin/guile!g'  -e 's!@MICRO_VERSION@!2!g'  -e 's!@MAJOR_VERSION@!2!g'  -e 's!@MINOR_VERSION@!18!g'  -e 's!@NCSB_DIR@!/usr/pkg/share/fonts/urw!g'  -e 's!@PACKAGE@!LILYPOND!g'  -e 's!@PATCH_LEVEL@!2!g'  -e 's!@PATHSEP@!:!g'  -e 's!@PERL@!/usr/pkg/bin/perl!g'  -e 's!@PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@SHELL@!/bin/sh!g'  -e 's!@TARGET_PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@TOPLEVEL_VERSION@!2.18.2!g'  -e 's!@bindir@!/usr/pkg/bin!g'  -e 's!@datadir@!/usr/pkg/share!g'  -e 's!@date@!23JUL21!g'  -e 's!@lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@lilypond_docdir@!/usr/pkg/share/doc/lilypond!g'  -e 's!@lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@local_lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@local_lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@localedir@!/usr/pkg/share/locale!g'  -e 's!@outdir@!./out!g'  -e 's!@package@!lilypond!g'  -e 's!@prefix@!/usr/pkg!g'  -e 's!@program_prefix@!!g'  -e 's!@program_suffix@!!g'  -e 's!@sharedstatedir@!/usr/pkg/com!g'  -e 's!@src-dir@!.!g'  -e 's!@top-src-dir@!/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2!g' > out/abc2ly
chmod 755 out/lilypond-book
cat etf2ly.py | sed -e '#'  -e '/@relocate-preamble@/r /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/./out/relocate-preamble.py' -e 's%@relocate-preamble@%%g' | sed -e '#'  -e 's!@BASH@!/usr/pkg/bin/bash!g'  -e 's!@BUILD_VERSION@!1!g'  -e 's!@DATE@!23JUL21!g'  -e 's!@FONTFORGE@!/usr/pkg/bin/fontforge!g'  -e 's!@GUILE@!/var/pkgsrc/work/print/lilypond/work/.buildlink/bin/guile!g'  -e 's!@MICRO_VERSION@!2!g'  -e 's!@MAJOR_VERSION@!2!g'  -e 's!@MINOR_VERSION@!18!g'  -e 's!@NCSB_DIR@!/usr/pkg/share/fonts/urw!g'  -e 's!@PACKAGE@!LILYPOND!g'  -e 's!@PATCH_LEVEL@!2!g'  -e 's!@PATHSEP@!:!g'  -e 's!@PERL@!/usr/pkg/bin/perl!g'  -e 's!@PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@SHELL@!/bin/sh!g'  -e 's!@TARGET_PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@TOPLEVEL_VERSION@!2.18.2!g'  -e 's!@bindir@!/usr/pkg/bin!g'  -e 's!@datadir@!/usr/pkg/share!g'  -e 's!@date@!23JUL21!g'  -e 's!@lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@lilypond_docdir@!/usr/pkg/share/doc/lilypond!g'  -e 's!@lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@local_lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@local_lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@localedir@!/usr/pkg/share/locale!g'  -e 's!@outdir@!./out!g'  -e 's!@package@!lilypond!g'  -e 's!@prefix@!/usr/pkg!g'  -e 's!@program_prefix@!!g'  -e 's!@program_suffix@!!g'  -e 's!@sharedstatedir@!/usr/pkg/com!g'  -e 's!@src-dir@!.!g'  -e 's!@top-src-dir@!/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2!g' > out/etf2ly
chmod 755 out/abc2ly
cat midi2ly.py | sed -e '#'  -e '/@relocate-preamble@/r /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/./out/relocate-preamble.py' -e 's%@relocate-preamble@%%g' | sed -e '#'  -e 's!@BASH@!/usr/pkg/bin/bash!g'  -e 's!@BUILD_VERSION@!1!g'  -e 's!@DATE@!23JUL21!g'  -e 's!@FONTFORGE@!/usr/pkg/bin/fontforge!g'  -e 's!@GUILE@!/var/pkgsrc/work/print/lilypond/work/.buildlink/bin/guile!g'  -e 's!@MICRO_VERSION@!2!g'  -e 's!@MAJOR_VERSION@!2!g'  -e 's!@MINOR_VERSION@!18!g'  -e 's!@NCSB_DIR@!/usr/pkg/share/fonts/urw!g'  -e 's!@PACKAGE@!LILYPOND!g'  -e 's!@PATCH_LEVEL@!2!g'  -e 's!@PATHSEP@!:!g'  -e 's!@PERL@!/usr/pkg/bin/perl!g'  -e 's!@PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@SHELL@!/bin/sh!g'  -e 's!@TARGET_PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@TOPLEVEL_VERSION@!2.18.2!g'  -e 's!@bindir@!/usr/pkg/bin!g'  -e 's!@datadir@!/usr/pkg/share!g'  -e 's!@date@!23JUL21!g'  -e 's!@lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@lilypond_docdir@!/usr/pkg/share/doc/lilypond!g'  -e 's!@lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@local_lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@local_lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@localedir@!/usr/pkg/share/locale!g'  -e 's!@outdir@!./out!g'  -e 's!@package@!lilypond!g'  -e 's!@prefix@!/usr/pkg!g'  -e 's!@program_prefix@!!g'  -e 's!@program_suffix@!!g'  -e 's!@sharedstatedir@!/usr/pkg/com!g'  -e 's!@src-dir@!.!g'  -e 's!@top-src-dir@!/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2!g' > out/midi2ly
chmod 755 out/etf2ly
cat lilypond-invoke-editor.scm | sed -e '#'  -e '/@relocate-preamble@/r /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/./out/relocate-preamble.py' -e 's%@relocate-preamble@%%g' | sed -e '#'  -e 's!@BASH@!/usr/pkg/bin/bash!g'  -e 's!@BUILD_VERSION@!1!g'  -e 's!@DATE@!23JUL21!g'  -e 's!@FONTFORGE@!/usr/pkg/bin/fontforge!g'  -e 's!@GUILE@!/var/pkgsrc/work/print/lilypond/work/.buildlink/bin/guile!g'  -e 's!@MICRO_VERSION@!2!g'  -e 's!@MAJOR_VERSION@!2!g'  -e 's!@MINOR_VERSION@!18!g'  -e 's!@NCSB_DIR@!/usr/pkg/share/fonts/urw!g'  -e 's!@PACKAGE@!LILYPOND!g'  -e 's!@PATCH_LEVEL@!2!g'  -e 's!@PATHSEP@!:!g'  -e 's!@PERL@!/usr/pkg/bin/perl!g'  -e 's!@PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@SHELL@!/bin/sh!g'  -e 's!@TARGET_PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@TOPLEVEL_VERSION@!2.18.2!g'  -e 's!@bindir@!/usr/pkg/bin!g'  -e 's!@datadir@!/usr/pkg/share!g'  -e 's!@date@!23JUL21!g'  -e 's!@lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@lilypond_docdir@!/usr/pkg/share/doc/lilypond!g'  -e 's!@lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@local_lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@local_lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@localedir@!/usr/pkg/share/locale!g'  -e 's!@outdir@!./out!g'  -e 's!@package@!lilypond!g'  -e 's!@prefix@!/usr/pkg!g'  -e 's!@program_prefix@!!g'  -e 's!@program_suffix@!!g'  -e 's!@sharedstatedir@!/usr/pkg/com!g'  -e 's!@src-dir@!.!g'  -e 's!@top-src-dir@!/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2!g' > out/lilypond-invoke-editor
cat musicxml2ly.py | sed -e '#'  -e '/@relocate-preamble@/r /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/./out/relocate-preamble.py' -e 's%@relocate-preamble@%%g' | sed -e '#'  -e 's!@BASH@!/usr/pkg/bin/bash!g'  -e 's!@BUILD_VERSION@!1!g'  -e 's!@DATE@!23JUL21!g'  -e 's!@FONTFORGE@!/usr/pkg/bin/fontforge!g'  -e 's!@GUILE@!/var/pkgsrc/work/print/lilypond/work/.buildlink/bin/guile!g'  -e 's!@MICRO_VERSION@!2!g'  -e 's!@MAJOR_VERSION@!2!g'  -e 's!@MINOR_VERSION@!18!g'  -e 's!@NCSB_DIR@!/usr/pkg/share/fonts/urw!g'  -e 's!@PACKAGE@!LILYPOND!g'  -e 's!@PATCH_LEVEL@!2!g'  -e 's!@PATHSEP@!:!g'  -e 's!@PERL@!/usr/pkg/bin/perl!g'  -e 's!@PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@SHELL@!/bin/sh!g'  -e 's!@TARGET_PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@TOPLEVEL_VERSION@!2.18.2!g'  -e 's!@bindir@!/usr/pkg/bin!g'  -e 's!@datadir@!/usr/pkg/share!g'  -e 's!@date@!23JUL21!g'  -e 's!@lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@lilypond_docdir@!/usr/pkg/share/doc/lilypond!g'  -e 's!@lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@local_lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@local_lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@localedir@!/usr/pkg/share/locale!g'  -e 's!@outdir@!./out!g'  -e 's!@package@!lilypond!g'  -e 's!@prefix@!/usr/pkg!g'  -e 's!@program_prefix@!!g'  -e 's!@program_suffix@!!g'  -e 's!@sharedstatedir@!/usr/pkg/com!g'  -e 's!@src-dir@!.!g'  -e 's!@top-src-dir@!/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2!g' > out/musicxml2ly
chmod 755 out/midi2ly
chmod 755 out/lilypond-invoke-editor
cat lilysong.py | sed -e '#'  -e '/@relocate-preamble@/r /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/./out/relocate-preamble.py' -e 's%@relocate-preamble@%%g' | sed -e '#'  -e 's!@BASH@!/usr/pkg/bin/bash!g'  -e 's!@BUILD_VERSION@!1!g'  -e 's!@DATE@!23JUL21!g'  -e 's!@FONTFORGE@!/usr/pkg/bin/fontforge!g'  -e 's!@GUILE@!/var/pkgsrc/work/print/lilypond/work/.buildlink/bin/guile!g'  -e 's!@MICRO_VERSION@!2!g'  -e 's!@MAJOR_VERSION@!2!g'  -e 's!@MINOR_VERSION@!18!g'  -e 's!@NCSB_DIR@!/usr/pkg/share/fonts/urw!g'  -e 's!@PACKAGE@!LILYPOND!g'  -e 's!@PATCH_LEVEL@!2!g'  -e 's!@PATHSEP@!:!g'  -e 's!@PERL@!/usr/pkg/bin/perl!g'  -e 's!@PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@SHELL@!/bin/sh!g'  -e 's!@TARGET_PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@TOPLEVEL_VERSION@!2.18.2!g'  -e 's!@bindir@!/usr/pkg/bin!g'  -e 's!@datadir@!/usr/pkg/share!g'  -e 's!@date@!23JUL21!g'  -e 's!@lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@lilypond_docdir@!/usr/pkg/share/doc/lilypond!g'  -e 's!@lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@local_lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@local_lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@localedir@!/usr/pkg/share/locale!g'  -e 's!@outdir@!./out!g'  -e 's!@package@!lilypond!g'  -e 's!@prefix@!/usr/pkg!g'  -e 's!@program_prefix@!!g'  -e 's!@program_suffix@!!g'  -e 's!@sharedstatedir@!/usr/pkg/com!g'  -e 's!@src-dir@!.!g'  -e 's!@top-src-dir@!/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2!g' > out/lilysong
chmod 755 out/musicxml2ly
cat lilymidi.py | sed -e '#'  -e '/@relocate-preamble@/r /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/python/./out/relocate-preamble.py' -e 's%@relocate-preamble@%%g' | sed -e '#'  -e 's!@BASH@!/usr/pkg/bin/bash!g'  -e 's!@BUILD_VERSION@!1!g'  -e 's!@DATE@!23JUL21!g'  -e 's!@FONTFORGE@!/usr/pkg/bin/fontforge!g'  -e 's!@GUILE@!/var/pkgsrc/work/print/lilypond/work/.buildlink/bin/guile!g'  -e 's!@MICRO_VERSION@!2!g'  -e 's!@MAJOR_VERSION@!2!g'  -e 's!@MINOR_VERSION@!18!g'  -e 's!@NCSB_DIR@!/usr/pkg/share/fonts/urw!g'  -e 's!@PACKAGE@!LILYPOND!g'  -e 's!@PATCH_LEVEL@!2!g'  -e 's!@PATHSEP@!:!g'  -e 's!@PERL@!/usr/pkg/bin/perl!g'  -e 's!@PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@SHELL@!/bin/sh!g'  -e 's!@TARGET_PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@TOPLEVEL_VERSION@!2.18.2!g'  -e 's!@bindir@!/usr/pkg/bin!g'  -e 's!@datadir@!/usr/pkg/share!g'  -e 's!@date@!23JUL21!g'  -e 's!@lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@lilypond_docdir@!/usr/pkg/share/doc/lilypond!g'  -e 's!@lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@local_lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@local_lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@localedir@!/usr/pkg/share/locale!g'  -e 's!@outdir@!./out!g'  -e 's!@package@!lilypond!g'  -e 's!@prefix@!/usr/pkg!g'  -e 's!@program_prefix@!!g'  -e 's!@program_suffix@!!g'  -e 's!@sharedstatedir@!/usr/pkg/com!g'  -e 's!@src-dir@!.!g'  -e 's!@top-src-dir@!/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2!g' > out/lilymidi
chmod 755 out/lilysong
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/help2man out/convert-ly > out/convert-ly.1
chmod 755 out/lilymidi
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/help2man out/lilypond-book > out/lilypond-book.1
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/help2man out/abc2ly > out/abc2ly.1
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/help2man out/etf2ly > out/etf2ly.1
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/help2man out/midi2ly > out/midi2ly.1
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/help2man out/lilypond-invoke-editor > out/lilypond-invoke-editor.1
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/help2man out/musicxml2ly > out/musicxml2ly.1
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/help2man out/lilysong > out/lilysong.1
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/help2man out/lilymidi > out/lilymidi.1
/usr/pkg/bin/gmake PACKAGE=LILYPOND package=lilypond -C build man && true
gmake[2]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build'
true
gmake[2]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build'
/usr/pkg/bin/gmake PACKAGE=LILYPOND package=lilypond -C build all && true
gmake[2]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build'
true
gmake[2]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build'
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/flower'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
cp -p /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/config.hh out/config.hh
rm -f ./out/cpu-timer.dep; DEPENDENCIES_OUTPUT="./out/cpu-timer.dep ./out/cpu-timer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/cpu-timer.o cpu-timer.cc
rm -f ./out/file-cookie.dep; DEPENDENCIES_OUTPUT="./out/file-cookie.dep ./out/file-cookie.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/file-cookie.o file-cookie.cc
rm -f ./out/file-name.dep; DEPENDENCIES_OUTPUT="./out/file-name.dep ./out/file-name.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/file-name.o file-name.cc
rm -f ./out/file-path.dep; DEPENDENCIES_OUTPUT="./out/file-path.dep ./out/file-path.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/file-path.o file-path.cc
rm -f ./out/getopt-long.dep; DEPENDENCIES_OUTPUT="./out/getopt-long.dep ./out/getopt-long.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/getopt-long.o getopt-long.cc
rm -f ./out/international.dep; DEPENDENCIES_OUTPUT="./out/international.dep ./out/international.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/international.o international.cc
rm -f ./out/interval-set.dep; DEPENDENCIES_OUTPUT="./out/interval-set.dep ./out/interval-set.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/interval-set.o interval-set.cc
rm -f ./out/interval.dep; DEPENDENCIES_OUTPUT="./out/interval.dep ./out/interval.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/interval.o interval.cc
rm -f ./out/libc-extension.dep; DEPENDENCIES_OUTPUT="./out/libc-extension.dep ./out/libc-extension.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/libc-extension.o libc-extension.cc
rm -f ./out/memory-stream.dep; DEPENDENCIES_OUTPUT="./out/memory-stream.dep ./out/memory-stream.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/memory-stream.o memory-stream.cc
rm -f ./out/offset.dep; DEPENDENCIES_OUTPUT="./out/offset.dep ./out/offset.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/offset.o offset.cc
rm -f ./out/polynomial.dep; DEPENDENCIES_OUTPUT="./out/polynomial.dep ./out/polynomial.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/polynomial.o polynomial.cc
rm -f ./out/rational.dep; DEPENDENCIES_OUTPUT="./out/rational.dep ./out/rational.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/rational.o rational.cc
rm -f ./out/real.dep; DEPENDENCIES_OUTPUT="./out/real.dep ./out/real.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/real.o real.cc
rm -f ./out/std-string.dep; DEPENDENCIES_OUTPUT="./out/std-string.dep ./out/std-string.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/std-string.o std-string.cc
polynomial.cc: In member function 'int Polynomial::set_mod(const Polynomial&, const Polynomial&)':
polynomial.cc:200:17: warning: conversion to 'int' from 'ssize_t {aka long int}' may alter its value [-Wconversion]
   return degree ();
          ~~~~~~~^~
rm -f ./out/string-convert.dep; DEPENDENCIES_OUTPUT="./out/string-convert.dep ./out/string-convert.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/string-convert.o string-convert.cc
rm -f ./out/warn.dep; DEPENDENCIES_OUTPUT="./out/warn.dep ./out/warn.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/warn.o warn.cc
string-convert.cc: In static member function 'static std::__cxx11::string String_convert::int2dec(int, size_t, char)':
string-convert.cc:171:34: warning: conversion to 'int' from 'ssize_t {aka long int}' may alter its value [-Wconversion]
   return ::to_string (fill_char, ssize_t (length_i - dec_string.length ())) + dec_string;
                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string-convert.cc: In static member function 'static std::__cxx11::string String_convert::unsigned2hex(unsigned int, size_t, char)':
string-convert.cc:192:33: warning: conversion to 'int' from 'ssize_t {aka long int}' may alter its value [-Wconversion]
   str = ::to_string (fill_char, ssize_t (length - str.length ())) + str;
                                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
string-convert.cc: In static member function 'static std::__cxx11::string String_convert::precision_string(double, int)':
string-convert.cc:319:36: warning: conversion to 'int' from 'ssize {aka long unsigned int}' may alter its value [-Wconversion]
     str = "0." + ::to_string ('0', -dot) + str;
                                    ^~~~
string-convert.cc:321:34: warning: conversion to 'int' from 'ssize {aka long unsigned int}' may alter its value [-Wconversion]
     str += ::to_string ('0', dot - str.length ());
                              ~~~~^~~~~~~~~~~~~~~
string-convert.cc: In static member function 'static std::__cxx11::string String_convert::to_upper(std::__cxx11::string)':
string-convert.cc:363:59: warning: conversion to 'int' from 'std::__cxx11::basic_string<char>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   return strnupr (const_cast<char*>(s.c_str ()), s.length ());
                                                  ~~~~~~~~~^~
string-convert.cc: In static member function 'static std::__cxx11::string String_convert::to_lower(std::__cxx11::string)':
string-convert.cc:369:59: warning: conversion to 'int' from 'std::__cxx11::basic_string<char>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   return strnlwr (const_cast<char*>(s.c_str ()), s.length ());
                                                  ~~~~~~~~~^~
string-convert.cc: In static member function 'static std::__cxx11::string String_convert::reverse(std::__cxx11::string)':
string-convert.cc:375:64: warning: conversion to 'int' from 'std::__cxx11::basic_string<char>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   return (char *) memrev ((unsigned char *)s.data (), s.length ());
                                                       ~~~~~~~~~^~
warn.cc: In function 'void check_expected_warnings()':
warn.cc:113:49: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<std::__cxx11::basic_string<char> >::size_type {aka long unsigned int}' [-Wformat=]
                        expected_warnings.size ());
                        ~~~~~~~~~~~~~~~~~~~~~~~~~^
ar ru out/library.a ./out/cpu-timer.o ./out/file-cookie.o ./out/file-name.o ./out/file-path.o ./out/getopt-long.o ./out/international.o ./out/interval-set.o ./out/interval.o ./out/libc-extension.o ./out/memory-stream.o ./out/offset.o ./out/polynomial.o ./out/rational.o ./out/real.o ./out/std-string.o ./out/string-convert.o ./out/warn.o
ar: creating out/library.a
ranlib out/library.a || ar ts out/library.a || true
true
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/flower'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/lily'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
cp -p /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/config.hh out/config.hh
rm -f ./out/accidental-engraver.dep; DEPENDENCIES_OUTPUT="./out/accidental-engraver.dep ./out/accidental-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/accidental-engraver.o accidental-engraver.cc
rm -f ./out/accidental-placement.dep; DEPENDENCIES_OUTPUT="./out/accidental-placement.dep ./out/accidental-placement.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/accidental-placement.o accidental-placement.cc
rm -f ./out/accidental.dep; DEPENDENCIES_OUTPUT="./out/accidental.dep ./out/accidental.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/accidental.o accidental.cc
rm -f ./out/align-interface.dep; DEPENDENCIES_OUTPUT="./out/align-interface.dep ./out/align-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/align-interface.o align-interface.cc
rm -f ./out/all-font-metrics-scheme.dep; DEPENDENCIES_OUTPUT="./out/all-font-metrics-scheme.dep ./out/all-font-metrics-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/all-font-metrics-scheme.o all-font-metrics-scheme.cc
rm -f ./out/all-font-metrics.dep; DEPENDENCIES_OUTPUT="./out/all-font-metrics.dep ./out/all-font-metrics.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/all-font-metrics.o all-font-metrics.cc
rm -f ./out/ambitus-engraver.dep; DEPENDENCIES_OUTPUT="./out/ambitus-engraver.dep ./out/ambitus-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/ambitus-engraver.o ambitus-engraver.cc
rm -f ./out/apply-context-iterator.dep; DEPENDENCIES_OUTPUT="./out/apply-context-iterator.dep ./out/apply-context-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/apply-context-iterator.o apply-context-iterator.cc
rm -f ./out/arpeggio-engraver.dep; DEPENDENCIES_OUTPUT="./out/arpeggio-engraver.dep ./out/arpeggio-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/arpeggio-engraver.o arpeggio-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from apply-context-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from apply-context-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from apply-context-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from apply-context-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-placement.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-placement.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-placement.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-placement.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from arpeggio-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from arpeggio-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from arpeggio-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from arpeggio-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ambitus-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ambitus-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ambitus-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ambitus-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-placement.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from arpeggio-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from align-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from align-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from align-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-placement.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from align-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-placement.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-placement.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-placement.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from apply-context-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from align-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from align-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from align-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from align-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from align-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ambitus-engraver.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from arpeggio-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from arpeggio-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from arpeggio-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from arpeggio-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
accidental-placement.cc: In static member function 'static void Accidental_placement::add_accidental(Grob*, Grob*, bool, long int)':
accidental-placement.cc:61:38: warning: conversion to 'scm_t_int32 {aka int}' from 'long int' may alter its value [-Wconversion]
   SCM key = scm_cons (scm_from_int (n), scm_from_long  (stagger ? context_hash : 1));
                                      ^
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from apply-context-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from apply-context-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from apply-context-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from apply-context-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ambitus-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ambitus-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ambitus-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ambitus-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from accidental.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from accidental.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from accidental.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from accidental.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from accidental.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from accidental.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from accidental.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from accidental.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from accidental.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/accidental-placement.hh:23,
                 from accidental-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from all-font-metrics-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
accidental-engraver.cc: In function 'Accidental_result check_pitch_against_rules(const Pitch&, Context*, SCM, int, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
accidental-engraver.cc:179:31: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_pair (rules) && !scm_is_symbol (scm_car (rules)))
                               ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
accidental-engraver.cc:200:16: note: in expansion of macro 'scm_is_symbol'
       else if (scm_is_symbol (rule))
                ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
rm -f ./out/arpeggio.dep; DEPENDENCIES_OUTPUT="./out/arpeggio.dep ./out/arpeggio.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/arpeggio.o arpeggio.cc
rm -f ./out/articulations.dep; DEPENDENCIES_OUTPUT="./out/articulations.dep ./out/articulations.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/articulations.o articulations.cc
rm -f ./out/audio-column.dep; DEPENDENCIES_OUTPUT="./out/audio-column.dep ./out/audio-column.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/audio-column.o audio-column.cc
rm -f ./out/audio-element-info.dep; DEPENDENCIES_OUTPUT="./out/audio-element-info.dep ./out/audio-element-info.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/audio-element-info.o audio-element-info.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from articulations.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from articulations.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from articulations.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from articulations.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/arpeggio.hh:24,
                 from arpeggio.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/arpeggio.hh:24,
                 from arpeggio.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/arpeggio.hh:24,
                 from arpeggio.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/arpeggio.hh:24,
                 from arpeggio.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/arpeggio.hh:24,
                 from arpeggio.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/arpeggio.hh:24,
                 from arpeggio.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/arpeggio.hh:24,
                 from arpeggio.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/arpeggio.hh:24,
                 from arpeggio.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/arpeggio.hh:24,
                 from arpeggio.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from audio-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from articulations.cc:19:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from audio-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from audio-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from audio-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/audio-element.dep; DEPENDENCIES_OUTPUT="./out/audio-element.dep ./out/audio-element.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/audio-element.o audio-element.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from audio-column.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
rm -f ./out/audio-item.dep; DEPENDENCIES_OUTPUT="./out/audio-item.dep ./out/audio-item.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/audio-item.o audio-item.cc
rm -f ./out/audio-staff.dep; DEPENDENCIES_OUTPUT="./out/audio-staff.dep ./out/audio-staff.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/audio-staff.o audio-staff.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from articulations.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from articulations.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from articulations.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from articulations.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from audio-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from audio-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from audio-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from audio-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
rm -f ./out/auto-beam-engraver.dep; DEPENDENCIES_OUTPUT="./out/auto-beam-engraver.dep ./out/auto-beam-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/auto-beam-engraver.o auto-beam-engraver.cc
rm -f ./out/auto-change-iterator.dep; DEPENDENCIES_OUTPUT="./out/auto-change-iterator.dep ./out/auto-change-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/auto-change-iterator.o auto-change-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from audio-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from audio-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from audio-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from audio-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from audio-element-info.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from audio-element-info.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from audio-element-info.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from audio-element-info.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from audio-element-info.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from audio-element-info.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from audio-element-info.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from audio-element-info.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from audio-element-info.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
rm -f ./out/axis-group-engraver.dep; DEPENDENCIES_OUTPUT="./out/axis-group-engraver.dep ./out/axis-group-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/axis-group-engraver.o axis-group-engraver.cc
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
rm -f ./out/axis-group-interface-scheme.dep; DEPENDENCIES_OUTPUT="./out/axis-group-interface-scheme.dep ./out/axis-group-interface-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/axis-group-interface-scheme.o axis-group-interface-scheme.cc
rm -f ./out/axis-group-interface.dep; DEPENDENCIES_OUTPUT="./out/axis-group-interface.dep ./out/axis-group-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/axis-group-interface.o axis-group-interface.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from audio-item.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from auto-change-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from auto-change-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from auto-change-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from auto-change-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from axis-group-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from axis-group-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from axis-group-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from axis-group-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from audio-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from audio-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from audio-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from audio-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/balloon-engraver.dep; DEPENDENCIES_OUTPUT="./out/balloon-engraver.dep ./out/balloon-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/balloon-engraver.o balloon-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from auto-change-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/beaming-pattern.hh:24,
                 from auto-beam-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/beaming-pattern.hh:24,
                 from auto-beam-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/beaming-pattern.hh:24,
                 from auto-beam-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/beaming-pattern.hh:24,
                 from auto-beam-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/beaming-pattern.hh:24,
                 from auto-beam-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/beaming-pattern.hh:24,
                 from auto-beam-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/beaming-pattern.hh:24,
                 from auto-beam-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/beaming-pattern.hh:24,
                 from auto-beam-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/beaming-pattern.hh:24,
                 from auto-beam-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from audio-staff.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from audio-staff.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from audio-staff.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from audio-staff.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from audio-staff.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from audio-staff.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from audio-staff.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from audio-staff.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from audio-staff.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/balloon.dep; DEPENDENCIES_OUTPUT="./out/balloon.dep ./out/balloon.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/balloon.o balloon.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from auto-change-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from auto-change-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from auto-change-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from auto-change-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
auto-beam-engraver.cc: In member function 'void Auto_beam_engraver::recheck_beam()':
auto-beam-engraver.cc:466:56: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                                grouping_->end_moment (i),
                                                        ^
auto-beam-engraver.cc:481:54: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           new_grouping_ = grouping_->split_pattern (i);
                                                      ^
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from balloon-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from balloon-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from balloon-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from balloon-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/bar-check-iterator.dep; DEPENDENCIES_OUTPUT="./out/bar-check-iterator.dep ./out/bar-check-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/bar-check-iterator.o bar-check-iterator.cc
rm -f ./out/bar-engraver.dep; DEPENDENCIES_OUTPUT="./out/bar-engraver.dep ./out/bar-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/bar-engraver.o bar-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from balloon-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from axis-group-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from balloon-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from balloon-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from balloon-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from balloon-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from axis-group-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from axis-group-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from axis-group-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from axis-group-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
axis-group-interface.cc: In static member function 'static scm_unused_struct* Axis_group_interface::adjacent_pure_heights(SCM)':
axis-group-interface.cc:275:30: warning: conversion to 'int' from '__gnu_cxx::__alloc_traits<std::allocator<long unsigned int> >::value_type {aka long unsigned int}' may alter its value [-Wconversion]
           int start = ranks[j];
                              ^
axis-group-interface.cc:276:32: warning: conversion to 'int' from '__gnu_cxx::__alloc_traits<std::allocator<long unsigned int> >::value_type {aka long unsigned int}' may alter its value [-Wconversion]
           int end = ranks[j + 1];
                                ^
axis-group-interface.cc:281:54: warning: conversion to 'int' from '__gnu_cxx::__alloc_traits<std::allocator<long unsigned int> >::value_type {aka long unsigned int}' may alter its value [-Wconversion]
           int visibility_end = j + 2 < ranks.size () ? ranks[j + 2] : end;
                                ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
axis-group-interface.cc:312:51: warning: conversion to 'scm_t_int32 {aka int}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       scm_vector_set_x (begin_scm, scm_from_int (i), ly_interval2scm (begin_line_heights[i]));
                                                   ^
axis-group-interface.cc:313:49: warning: conversion to 'scm_t_int32 {aka int}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       scm_vector_set_x (mid_scm, scm_from_int (i), ly_interval2scm (mid_line_heights[i]));
                                                 ^
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from balloon.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from balloon.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from balloon.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from balloon.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from balloon.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from axis-group-interface.cc:20:
axis-group-interface.cc: In static member function 'static Skyline_pair Axis_group_interface::skyline_spacing(Grob*)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
axis-group-interface.cc:947:17: note: in expansion of macro 'scm_is_eq'
              && scm_is_eq (elements[i + 1]->get_property ("outside-staff-priority"), priority))
                 ^~~~~~~~~
rm -f ./out/bar-line.dep; DEPENDENCIES_OUTPUT="./out/bar-line.dep ./out/bar-line.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/bar-line.o bar-line.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from balloon.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from balloon.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from balloon.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from balloon.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-check-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-check-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-check-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
rm -f ./out/bar-number-engraver.dep; DEPENDENCIES_OUTPUT="./out/bar-number-engraver.dep ./out/bar-number-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/bar-number-engraver.o bar-number-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-check-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/beam-collision-engraver.dep; DEPENDENCIES_OUTPUT="./out/beam-collision-engraver.dep ./out/beam-collision-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/beam-collision-engraver.o beam-collision-engraver.cc
rm -f ./out/beam-engraver.dep; DEPENDENCIES_OUTPUT="./out/beam-engraver.dep ./out/beam-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/beam-engraver.o beam-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/beam-performer.dep; DEPENDENCIES_OUTPUT="./out/beam-performer.dep ./out/beam-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/beam-performer.o beam-performer.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-check-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-collision-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-collision-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-collision-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-collision-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/beam-quanting.dep; DEPENDENCIES_OUTPUT="./out/beam-quanting.dep ./out/beam-quanting.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/beam-quanting.o beam-quanting.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-check-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-check-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-check-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from bar-check-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from bar-number-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from bar-number-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from bar-number-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from bar-number-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from bar-number-engraver.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-collision-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from ./include/beam-scoring-problem.hh:24,
                 from beam-quanting.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from ./include/beam-scoring-problem.hh:24,
                 from beam-quanting.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from ./include/beam-scoring-problem.hh:24,
                 from beam-quanting.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from ./include/beam-scoring-problem.hh:24,
                 from beam-quanting.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from bar-number-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from bar-number-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from bar-number-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from bar-number-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/beam.dep; DEPENDENCIES_OUTPUT="./out/beam.dep ./out/beam.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/beam.o beam.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-collision-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-collision-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-collision-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-collision-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/bar-line.hh:24,
                 from bar-line.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/bar-line.hh:24,
                 from bar-line.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/bar-line.hh:24,
                 from bar-line.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/bar-line.hh:24,
                 from bar-line.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/bar-line.hh:24,
                 from bar-line.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/bar-line.hh:24,
                 from bar-line.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/bar-line.hh:24,
                 from bar-line.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/bar-line.hh:24,
                 from bar-line.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam-engraver.cc:20:
beam-engraver.cc: In member function 'void Beam_engraver::acknowledge_stem(Grob_info)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
beam-engraver.cc:272:7: note: in expansion of macro 'scm_is_false'
   if (scm_is_false (beam_->get_property_data ("stencil")))
       ^~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/bar-line.hh:24,
                 from bar-line.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from ./include/beam-scoring-problem.hh:24,
                 from beam-quanting.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/beaming-pattern.dep; DEPENDENCIES_OUTPUT="./out/beaming-pattern.dep ./out/beaming-pattern.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/beaming-pattern.o beaming-pattern.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from beam-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from beam-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from beam-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from beam-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from beam-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from ./include/beam-scoring-problem.hh:24,
                 from beam-quanting.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from beam-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from ./include/beam-scoring-problem.hh:24,
                 from beam-quanting.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from ./include/beam-scoring-problem.hh:24,
                 from beam-quanting.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from beam-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from beam-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from ./include/beam-scoring-problem.hh:24,
                 from beam-quanting.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from beam-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
rm -f ./out/bend-engraver.dep; DEPENDENCIES_OUTPUT="./out/bend-engraver.dep ./out/bend-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/bend-engraver.o bend-engraver.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam.cc:38:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam.cc:38:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam.cc:38:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam.cc:38:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/bezier-bow.dep; DEPENDENCIES_OUTPUT="./out/bezier-bow.dep ./out/bezier-bow.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/bezier-bow.o bezier-bow.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from beaming-pattern.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from beaming-pattern.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from beaming-pattern.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from beaming-pattern.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from bend-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from bend-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from bend-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from bend-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/bezier.dep; DEPENDENCIES_OUTPUT="./out/bezier.dep ./out/bezier.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/bezier.o bezier.cc
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam.cc:38:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/book-scheme.dep; DEPENDENCIES_OUTPUT="./out/book-scheme.dep ./out/book-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/book-scheme.o book-scheme.cc
rm -f ./out/book.dep; DEPENDENCIES_OUTPUT="./out/book.dep ./out/book.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/book.o book.cc
beam-quanting.cc: In function 'Real calc_positions_concaveness(const std::vector<int>&, Direction)':
beam-quanting.cc:631:29: warning: conversion to 'Real {aka double}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       Real line_y = slope * i + positions[0];
                             ^
beam-quanting.cc:636:34: warning: conversion to 'Real {aka double}' from 'std::vector<int>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   concaveness /= positions.size ();
                                  ^
beam-quanting.cc: In member function 'Drul_array<double> Beam_scoring_problem::solve() const':
beam-quanting.cc:1028:89: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<Beam_configuration*>::size_type {aka long unsigned int}' [-Wformat=]
       string card = best->score_card_ + to_string (" c%d/%d", completed, configs.size ());
                                                                          ~~~~~~~~~~~~~~~^
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from beaming-pattern.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from bend-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from beaming-pattern.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from beaming-pattern.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from beaming-pattern.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from beaming-pattern.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from bend-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from bend-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from bend-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from bend-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
beaming-pattern.cc: In member function 'Beaming_pattern* Beaming_pattern::split_pattern(int)':
beaming-pattern.cc:393:42: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       count = max (beamlet_count (j, LEFT), beamlet_count (j, RIGHT));
                                          ^
beaming-pattern.cc:393:68: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       count = max (beamlet_count (j, LEFT), beamlet_count (j, RIGHT));
                                                                    ^
beaming-pattern.cc:394:45: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       new_pattern->add_stem (start_moment (j),
                                             ^
beaming-pattern.cc:396:45: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                              invisibility (j),
                                             ^
beaming-pattern.cc:397:39: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                              factor (j),
                                       ^
beaming-pattern.cc:398:45: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                              tuplet_start (j));
                                             ^
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam.cc:38:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam.cc:38:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam.cc:38:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from beam.cc:38:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/box.dep; DEPENDENCIES_OUTPUT="./out/box.dep ./out/box.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/box.o box.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/book.hh: In static member function 'static Book* Book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/book.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Book);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/score.hh: In static member function 'static Score* Score::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/score.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Score);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
beam.cc: In static member function 'static scm_unused_struct* Beam::calc_beam_segments(SCM)':
beam.cc:413:33: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
               seg.rank_ = 2 * i + (d + 1) / 2;
                           ~~~~~~^~~~~~~~~~~~~
beam.cc: In static member function 'static scm_unused_struct* Beam::print(SCM)':
beam.cc:715:57: warning: conversion to 'Real {aka double}' from 'std::vector<Beam_segment>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
         weighted_average += beam_dy * (segments.size () - 1) * factor;
                                       ~~~~~~~~~~~~~~~~~~^~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
beam.cc: In static member function 'static void Beam::set_beaming(Grob*, const Beaming_pattern*)':
beam.cc:1145:55: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
               int count = beaming->beamlet_count (i, d);
                                                       ^
beam.cc:1149:66: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                 count = min (count, beaming->beamlet_count (i, -d));
                                                                  ^
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
beam.cc: In static member function 'static int Beam::normal_stem_count(Grob*)':
beam.cc:1189:21: warning: conversion to 'int' from 'std::vector<Grob*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   return stems.size ();
          ~~~~~~~~~~~^~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from book.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/book.hh: In static member function 'static Book* Book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/book.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Book);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/break-align-engraver.dep; DEPENDENCIES_OUTPUT="./out/break-align-engraver.dep ./out/break-align-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/break-align-engraver.o break-align-engraver.cc
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/score.hh: In static member function 'static Score* Score::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/score.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Score);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/page-marker.hh: In static member function 'static Page_marker* Page_marker::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/page-marker.hh:28:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Page_marker);
   ^~~~~~~~~~~~~
book.cc: In static member function 'static scm_unused_struct* Book::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
book.cc:108:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Book);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from box.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from box.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from box.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from box.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from box.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/break-alignment-interface.dep; DEPENDENCIES_OUTPUT="./out/break-alignment-interface.dep ./out/break-alignment-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/break-alignment-interface.o break-alignment-interface.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from box.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from box.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from box.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from box.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
box.cc: In static member function 'static scm_unused_struct* Box::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
box.cc:137:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Box);
 ^~~~~~~~~~~~~~~~~~~~~~
rm -f ./out/break-substitution.dep; DEPENDENCIES_OUTPUT="./out/break-substitution.dep ./out/break-substitution.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/break-substitution.o break-substitution.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from break-align-engraver.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from break-align-engraver.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from break-align-engraver.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from break-align-engraver.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/break-align-interface.hh:23,
                 from break-alignment-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/break-align-interface.hh:23,
                 from break-alignment-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/break-align-interface.hh:23,
                 from break-alignment-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/break-align-interface.hh:23,
                 from break-alignment-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/breathing-sign-engraver.dep; DEPENDENCIES_OUTPUT="./out/breathing-sign-engraver.dep ./out/breathing-sign-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/breathing-sign-engraver.o breathing-sign-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from break-align-engraver.cc:19:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/breathing-sign.dep; DEPENDENCIES_OUTPUT="./out/breathing-sign.dep ./out/breathing-sign.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/breathing-sign.o breathing-sign.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from break-align-engraver.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from break-align-engraver.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from break-align-engraver.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from break-align-engraver.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/break-align-interface.hh:23,
                 from break-alignment-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign-engraver.cc:26:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign-engraver.cc:26:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign-engraver.cc:26:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign-engraver.cc:26:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from break-substitution.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from break-substitution.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from break-substitution.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from break-substitution.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from break-substitution.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
break-align-engraver.cc: In member function 'void Break_align_engraver::acknowledge_break_aligned(Grob_info)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
break-align-engraver.cc:103:12: note: in expansion of macro 'scm_is_symbol'
       if (!scm_is_symbol (align_name))
            ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/break-align-interface.hh:23,
                 from break-alignment-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/break-align-interface.hh:23,
                 from break-alignment-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/break-align-interface.hh:23,
                 from break-alignment-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/break-align-interface.hh:23,
                 from break-alignment-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/change-iterator.dep; DEPENDENCIES_OUTPUT="./out/change-iterator.dep ./out/change-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/change-iterator.o change-iterator.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from break-substitution.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from break-substitution.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from break-substitution.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from break-substitution.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
break-alignment-interface.cc: In static member function 'static scm_unused_struct* Break_alignment_interface::calc_positioning_done(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
break-alignment-interface.cc:170:17: note: in expansion of macro 'scm_is_symbol'
                !scm_is_symbol (rsym) && i--;)
                 ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
break-alignment-interface.cc:181:11: note: in expansion of macro 'scm_is_symbol'
       if (scm_is_symbol (rsym))
           ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
break-alignment-interface.cc:188:15: note: in expansion of macro 'scm_is_symbol'
           if (scm_is_symbol (rsym))
               ^~~~~~~~~~~~~
break-alignment-interface.cc: In static member function 'static scm_unused_struct* Break_alignable_interface::self_align_callback(SCM)':
break-alignment-interface.cc:285:40: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   break_aligned_grob = i;
                                        ^
break-alignment-interface.cc:289:38: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                 break_aligned_grob = i;
                                      ^
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign-engraver.cc:26:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
break-substitution.cc: In function 'scm_unused_struct* do_break_substitution(SCM)':
break-substitution.cc:111:37: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
       int len = scm_c_vector_length (src);
                 ~~~~~~~~~~~~~~~~~~~~^~~~~
break-substitution.cc: In member function 'bool Spanner::fast_substitute_grob_array(SCM, Grob_array*)':
break-substitution.cc:326:30: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   int len = grob_array->size ();
             ~~~~~~~~~~~~~~~~~^~
rm -f ./out/chord-name-engraver.dep; DEPENDENCIES_OUTPUT="./out/chord-name-engraver.dep ./out/chord-name-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/chord-name-engraver.o chord-name-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign-engraver.cc:26:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign-engraver.cc:26:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign-engraver.cc:26:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign-engraver.cc:26:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/chord-name.dep; DEPENDENCIES_OUTPUT="./out/chord-name.dep ./out/chord-name.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/chord-name.o chord-name.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/chord-tremolo-engraver.dep; DEPENDENCIES_OUTPUT="./out/chord-tremolo-engraver.dep ./out/chord-tremolo-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/chord-tremolo-engraver.o chord-tremolo-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/change-iterator.hh:23,
                 from change-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/change-iterator.hh:23,
                 from change-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/change-iterator.hh:23,
                 from change-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/change-iterator.hh:23,
                 from change-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/change-iterator.hh:23,
                 from change-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/change-iterator.hh:23,
                 from change-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/change-iterator.hh:23,
                 from change-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/change-iterator.hh:23,
                 from change-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/change-iterator.hh:23,
                 from change-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/breathing-sign.hh:12,
                 from breathing-sign.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/chord-tremolo-iterator.dep; DEPENDENCIES_OUTPUT="./out/chord-tremolo-iterator.dep ./out/chord-tremolo-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/chord-tremolo-iterator.o chord-tremolo-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from chord-tremolo-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from chord-tremolo-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from chord-tremolo-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from chord-tremolo-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/chord-name.hh:23,
                 from chord-name.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from chord-tremolo-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/clef-engraver.dep; DEPENDENCIES_OUTPUT="./out/clef-engraver.dep ./out/clef-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/clef-engraver.o clef-engraver.cc
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/clef.dep; DEPENDENCIES_OUTPUT="./out/clef.dep ./out/clef.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/clef.o clef.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from ./include/chord-tremolo-iterator.hh:23,
                 from chord-tremolo-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from ./include/chord-tremolo-iterator.hh:23,
                 from chord-tremolo-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from ./include/chord-tremolo-iterator.hh:23,
                 from chord-tremolo-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from ./include/chord-tremolo-iterator.hh:23,
                 from chord-tremolo-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from chord-tremolo-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from chord-tremolo-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from chord-tremolo-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from chord-tremolo-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from ./include/chord-tremolo-iterator.hh:23,
                 from chord-tremolo-iterator.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from ./include/chord-tremolo-iterator.hh:23,
                 from chord-tremolo-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from ./include/chord-tremolo-iterator.hh:23,
                 from chord-tremolo-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from ./include/chord-tremolo-iterator.hh:23,
                 from chord-tremolo-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from ./include/chord-tremolo-iterator.hh:23,
                 from chord-tremolo-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
chord-name-engraver.cc: In member function 'void Chord_name_engraver::process_music()':
chord-name-engraver.cc:155:15: warning: 'markup' may be used uninitialized in this function [-Wmaybe-uninitialized]
   last_chord_ = markup;
   ~~~~~~~~~~~~^~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/cluster-engraver.dep; DEPENDENCIES_OUTPUT="./out/cluster-engraver.dep ./out/cluster-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/cluster-engraver.o cluster-engraver.cc
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
chord-tremolo-iterator.cc: In member function 'virtual scm_unused_struct* Chord_tremolo_iterator::get_music_list() const':
chord-tremolo-iterator.cc:40:38: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   int elt_count = body_is_sequential ? scm_ilength (body->get_property ("elements")) : 1;
                   ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/cluster.dep; DEPENDENCIES_OUTPUT="./out/cluster.dep ./out/cluster.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/cluster.o cluster.cc
rm -f ./out/coherent-ligature-engraver.dep; DEPENDENCIES_OUTPUT="./out/coherent-ligature-engraver.dep ./out/coherent-ligature-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/coherent-ligature-engraver.o coherent-ligature-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from cluster-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from cluster-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from cluster-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from cluster-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/collision-engraver.dep; DEPENDENCIES_OUTPUT="./out/collision-engraver.dep ./out/collision-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/collision-engraver.o collision-engraver.cc
rm -f ./out/column-x-positions.dep; DEPENDENCIES_OUTPUT="./out/column-x-positions.dep ./out/column-x-positions.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/column-x-positions.o column-x-positions.cc
rm -f ./out/completion-note-heads-engraver.dep; DEPENDENCIES_OUTPUT="./out/completion-note-heads-engraver.dep ./out/completion-note-heads-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/completion-note-heads-engraver.o completion-note-heads-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from coherent-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from coherent-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from coherent-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from coherent-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from cluster-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from clef.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from clef.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from clef.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from clef.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from clef.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/cluster.hh:23,
                 from cluster.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/cluster.hh:23,
                 from cluster.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/cluster.hh:23,
                 from cluster.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from clef-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/cluster.hh:23,
                 from cluster.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from clef-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/cluster.hh:23,
                 from cluster.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from collision-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from collision-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from collision-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from collision-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from clef-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from clef-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from clef-engraver.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from cluster-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from cluster-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from cluster-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from cluster-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from clef.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from clef.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from clef.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from coherent-ligature-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from clef.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/completion-rest-engraver.dep; DEPENDENCIES_OUTPUT="./out/completion-rest-engraver.dep ./out/completion-rest-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/completion-rest-engraver.o completion-rest-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from coherent-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from coherent-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from coherent-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from coherent-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from clef-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from clef-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from clef-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from clef-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/cluster.hh:23,
                 from cluster.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/cluster.hh:23,
                 from cluster.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/cluster.hh:23,
                 from cluster.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/cluster.hh:23,
                 from cluster.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-note-heads-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-note-heads-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-note-heads-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-note-heads-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-note-heads-engraver.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
cluster.cc: In function 'Stencil brew_cluster_piece(Grob*, std::vector<Offset>, std::vector<Offset>)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
cluster.cc:49:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (shape_scm))
       ^~~~~~~~~~~~~
cluster.cc:61:33: warning: conversion to 'int' from 'std::vector<Offset>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int size = bottom_points.size ();
              ~~~~~~~~~~~~~~~~~~~^~
rm -f ./out/concurrent-hairpin-engraver.dep; DEPENDENCIES_OUTPUT="./out/concurrent-hairpin-engraver.dep ./out/concurrent-hairpin-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/concurrent-hairpin-engraver.o concurrent-hairpin-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-note-heads-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-note-heads-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-note-heads-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-note-heads-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from collision-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/constrained-breaking.dep; DEPENDENCIES_OUTPUT="./out/constrained-breaking.dep ./out/constrained-breaking.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/constrained-breaking.o constrained-breaking.cc
rm -f ./out/context-def.dep; DEPENDENCIES_OUTPUT="./out/context-def.dep ./out/context-def.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/context-def.o context-def.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from collision-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from collision-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from collision-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from collision-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/context-handle.dep; DEPENDENCIES_OUTPUT="./out/context-handle.dep ./out/context-handle.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/context-handle.o context-handle.cc
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
rm -f ./out/context-mod-scheme.dep; DEPENDENCIES_OUTPUT="./out/context-mod-scheme.dep ./out/context-mod-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/context-mod-scheme.o context-mod-scheme.cc
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from concurrent-hairpin-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from concurrent-hairpin-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from concurrent-hairpin-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from concurrent-hairpin-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from constrained-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from constrained-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from constrained-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from constrained-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-rest-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-rest-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-rest-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-rest-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-rest-engraver.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from concurrent-hairpin-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/context-mod.dep; DEPENDENCIES_OUTPUT="./out/context-mod.dep ./out/context-mod.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/context-mod.o context-mod.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-mod-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-mod-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-mod-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-mod-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-rest-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-rest-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-rest-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from completion-rest-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from concurrent-hairpin-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from concurrent-hairpin-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from concurrent-hairpin-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from concurrent-hairpin-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from constrained-breaking.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-handle.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34:./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-handle.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-handle.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-handle.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN |./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SC SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
M_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-handle.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/context-property.dep; DEPENDENCIES_OUTPUT="./out/context-property.dep ./out/context-property.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/context-property.o context-property.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-handle.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-handle.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-handle.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-handle.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from constrained-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from constrained-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from constrained-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from constrained-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-mod-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/context-scheme.dep; DEPENDENCIES_OUTPUT="./out/context-scheme.dep ./out/context-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/context-scheme.o context-scheme.cc
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/context-mod.hh: In static member function 'static Context_mod* Context_mod::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/context-mod.hh:50:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Context_mod);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
context-def.cc: In static member function 'static scm_unused_struct* Context_def::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
context-def.cc:85:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Context_def);
 ^~~~~~~~~~~~~~~
context-def.cc: In member function 'scm_unused_struct* Context_def::get_accepted(SCM) const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
context-def.cc:181:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (def))
       ^~~~~~~~~~~~~
constrained-breaking.cc: In member function 'bool Constrained_breaking::calc_subproblem(vsize, vsize, vsize)':
constrained-breaking.cc:117:21: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           n.prev_ = j;
                     ^
constrained-breaking.cc: In member function 'Column_x_positions Constrained_breaking::space_line(vsize, vsize)':
constrained-breaking.cc:131:66: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   Interval line_dims = line_dimensions_int (pscore_->layout (), i);
                                                                  ^
constrained-breaking.cc: In member function 'int Constrained_breaking::min_system_count(vsize, vsize)':
constrained-breaking.cc:320:26: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
         return sys_count + 1;
                ~~~~~~~~~~^~~
constrained-breaking.cc: In member function 'int Constrained_breaking::max_system_count(vsize, vsize)':
constrained-breaking.cc:330:14: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   return brk - starting_breakpoints_[start];
context-def.cc: In member function 'scm_unused_struct* Context_def::to_alist() const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
context-def.cc:348:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (default_child_))
       ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
context-def.cc:357:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (translator_group_type_))
       ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
context-def.cc: In member function 'scm_unused_struct* Context_def::lookup(SCM) const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context-def.cc:366:7: note: in expansion of macro 'scm_is_eq'
   if (scm_is_eq (ly_symbol2scm ("default-child"), sym))
       ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context-def.cc:368:12: note: in expansion of macro 'scm_is_eq'
   else if (scm_is_eq (ly_symbol2scm ("consists"), sym))
            ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context-def.cc:370:12: note: in expansion of macro 'scm_is_eq'
   else if (scm_is_eq (ly_symbol2scm ("description"), sym))
            ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context-def.cc:372:12: note: in expansion of macro 'scm_is_eq'
   else if (scm_is_eq (ly_symbol2scm ("aliases"), sym))
            ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context-def.cc:374:12: note: in expansion of macro 'scm_is_eq'
   else if (scm_is_eq (ly_symbol2scm ("accepts"), sym))
            ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context-def.cc:376:12: note: in expansion of macro 'scm_is_eq'
   else if (scm_is_eq (ly_symbol2scm ("property-ops"), sym))
            ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context-def.cc:378:12: note: in expansion of macro 'scm_is_eq'
   else if (scm_is_eq (ly_symbol2scm ("context-name"), sym))
            ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context-def.cc:380:12: note: in expansion of macro 'scm_is_eq'
   else if (scm_is_eq (ly_symbol2scm ("group-type"), sym))
            ^~~~~~~~~
context-def.cc: In member function 'bool Context_def::is_alias(SCM) const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context-def.cc:388:7: note: in expansion of macro 'scm_is_eq'
   if (scm_is_eq (sym, ly_symbol2scm ("Bottom")))
       ^~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
context-def.cc:389:13: note: in expansion of macro 'scm_is_symbol'
     return !scm_is_symbol (get_default_child (SCM_EOL));
             ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from context-def.cc:23:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context-def.cc:391:7: note: in expansion of macro 'scm_is_eq'
   if (scm_is_eq (sym, get_context_name ()))
       ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
context-def.cc:394:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_c_memq (sym, context_aliases_));
          ^~~~~~~~~~~
context-def.cc: In function 'scm_unused_struct* ly_context_def_lookup(SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
context-def.cc:414:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP (res))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
context-def.cc:417:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (res) && !SCM_UNBNDP (val))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-mod-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-mod-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-mod-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-mod-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-mod.hh:30,
                 from context-mod.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-mod.hh:30,
                 from context-mod.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-mod.hh:30,
                 from context-mod.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-mod.hh:30,
                 from context-mod.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNP./include/context-mod.hh: In static member function 'static Context_mod* Context_mod::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
ELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/context-mod.hh:50:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Context_mod);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/context-specced-music-iterator.dep; DEPENDENCIES_OUTPUT="./out/context-specced-music-iterator.dep ./out/context-specced-music-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/context-specced-music-iterator.o context-specced-music-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-mod.hh:30,
                 from context-mod.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/context.dep; DEPENDENCIES_OUTPUT="./out/context.dep ./out/context.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/context.o context.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-property.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-property.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-property.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-property.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-mod.hh:30,
                 from context-mod.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-mod.hh:30,
                 from context-mod.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-mod.hh:30,
                 from context-mod.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-mod.hh:30,
                 from context-mod.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/context-mod.hh: In static member function 'static Context_mod* Context_mod::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/context-mod.hh:50:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Context_mod);
   ^~~~~~~~~~~~~~~~~~~~
context-mod.cc: In static member function 'static scm_unused_struct* Context_mod::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
context-mod.cc:38:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Context_mod);
 ^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-property.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/control-track-performer.dep; DEPENDENCIES_OUTPUT="./out/control-track-performer.dep ./out/control-track-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/control-track-performer.o control-track-performer.cc
rm -f ./out/cue-clef-engraver.dep; DEPENDENCIES_OUTPUT="./out/cue-clef-engraver.dep ./out/cue-clef-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/cue-clef-engraver.o cue-clef-engraver.cc
rm -f ./out/custos-engraver.dep; DEPENDENCIES_OUTPUT="./out/custos-engraver.dep ./out/custos-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/custos-engraver.o custos-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-property.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-property.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-property.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-property.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
context-property.cc: In function 'void general_pushpop_property(Context*, SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
context-property.cc:40:8: note: in expansion of macro 'scm_is_symbol'
   if (!scm_is_symbol (context_property)
        ^~~~~~~~~~~~~
context-property.cc: In function 'void execute_revert_property(Context*, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
context-property.cc:166:15: note: in expansion of macro 'scm_is_symbol'
           || !scm_is_symbol (scm_car (grob_property_path)))
               ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from context-specced-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from context-specced-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from context-specced-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from context-specced-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from context-specced-music-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_                              ^~~~~~~~~~~
OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from context-specced-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from context-specced-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from context-specced-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from context-specced-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/custos.dep; DEPENDENCIES_OUTPUT="./out/custos.dep ./out/custos.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/custos.o custos.cc
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from custos-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from custos-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from custos-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from custos-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
rm -f ./out/default-bar-line-engraver.dep; DEPENDENCIES_OUTPUT="./out/default-bar-line-engraver.dep ./out/default-bar-line-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/default-bar-line-engraver.o default-bar-line-engraver.cc
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CIn file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context-scheme.cc:21:
context-scheme.cc: In function 'scm_unused_struct* ly_context_property(SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of maELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
cro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
context-scheme.cc:105:34: note: in expansion of macro 'scm_is_null'
   return def != SCM_UNDEFINED && scm_is_null (result) ? def : result;
                                  ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
context.cc: In member function 'void Context::set_property_from_event(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
context.cc:249:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (sym))
       ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
context.cc:253:11: note: in expansion of macro 'SCM_UNBNDP'
       if (SCM_UNBNDP (val)) {
           ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
context.cc: In member function 'bool Context::is_bottom_context() const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
context.cc:410:11: note: in expansion of macro 'scm_is_symbol'
   return !scm_is_symbol (default_child_context_name ());
           ^~~~~~~~~~~~~
context.cc: In member function 'virtual Context* Context::get_default_interpreter(const string&)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
context.cc:428:11: note: in expansion of macro 'scm_is_symbol'
       if (scm_is_symbol (t->get_default_child (SCM_EOL)))
           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
context.cc: In member function 'bool Context::is_alias(SCM) const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context.cc:505:7: note: in expansion of macro 'scm_is_eq'
   if (scm_is_eq (sym, ly_symbol2scm ("Bottom")))
       ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
context.cc:507:7: note: in expansion of macro 'scm_is_eq'
   if (scm_is_eq (sym, context_name_symbol ()))
       ^~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from context.cc:20:
context.cc: In static member function 'static scm_unused_struct* Context::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
context.cc:705:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Context);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from cue-clef-engraver.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from cue-clef-engraver.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from cue-clef-engraver.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from cue-clef-engraver.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from cue-clef-engraver.cc:25:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from control-track-performer.cc:4:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from control-track-performer.cc:4:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from control-track-performer.cc:4:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from control-track-performer.cc:4:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from control-track-performer.cc:4:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from custos-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from cue-clef-engraver.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from cue-clef-engraver.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from cue-clef-engraver.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from cue-clef-engraver.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from default-bar-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from default-bar-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from default-bar-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from default-bar-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from custos-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from custos-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from custos-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
rm -f ./out/dimension-cache.dep; DEPENDENCIES_OUTPUT="./out/dimension-cache.dep ./out/dimension-cache.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dimension-cache.o dimension-cache.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from custos-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from control-track-performer.cc:4:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from control-track-performer.cc:4:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from control-track-performer.cc:4:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from control-track-performer.cc:4:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from default-bar-line-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/dimensions-scheme.dep; DEPENDENCIES_OUTPUT="./out/dimensions-scheme.dep ./out/dimensions-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dimensions-scheme.o dimensions-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from default-bar-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from default-bar-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from default-bar-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from default-bar-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/directional-element-interface.dep; DEPENDENCIES_OUTPUT="./out/directional-element-interface.dep ./out/directional-element-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/directional-element-interface.o directional-element-interface.cc
rm -f ./out/dispatcher-scheme.dep; DEPENDENCIES_OUTPUT="./out/dispatcher-scheme.dep ./out/dispatcher-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dispatcher-scheme.o dispatcher-scheme.cc
rm -f ./out/dispatcher.dep; DEPENDENCIES_OUTPUT="./out/dispatcher.dep ./out/dispatcher.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dispatcher.o dispatcher.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from dimensions-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from dimensions-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from dimensions-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from dimensions-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from dimension-cache.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from dimension-cache.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from dimension-cache.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from dimension-cache.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from dimension-cache.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/dot-column-engraver.dep; DEPENDENCIES_OUTPUT="./out/dot-column-engraver.dep ./out/dot-column-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dot-column-engraver.o dot-column-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/custos.hh:24,
                 from custos.cc:31:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/custos.hh:24,
                 from custos.cc:31:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/custos.hh:24,
                 from custos.cc:31:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/custos.hh:24,
                 from custos.cc:31:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/custos.hh:24,
                 from custos.cc:31:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/dot-column.dep; DEPENDENCIES_OUTPUT="./out/dot-column.dep ./out/dot-column.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dot-column.o dot-column.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from dimension-cache.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from dimension-cache.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from dimension-cache.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from dimension-cache.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/custos.hh:24,
                 from custos.cc:31:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/custos.hh:24,
                 from custos.cc:31:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/custos.hh:24,
                 from custos.cc:31:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/custos.hh:24,
                 from custos.cc:31:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from dimensions-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
custos.cc: In static member function 'static scm_unused_struct* Custos::print(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
custos.cc:48:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (scm_style))
       ^~~~~~~~~~~~~
rm -f ./out/dot-configuration.dep; DEPENDENCIES_OUTPUT="./out/dot-configuration.dep ./out/dot-configuration.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dot-configuration.o dot-configuration.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from directional-element-interface.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from directional-element-interface.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from directional-element-interface.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from directional-element-interface.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from directional-element-interface.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from dimensions-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from dimensions-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from dimensions-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from dimensions-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from directional-element-interface.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from directional-element-interface.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from directional-element-interface.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from directional-element-interface.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from dot-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from dot-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from dot-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from dot-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher-scheme.cc:20:
dispatcher-scheme.cc: In function 'scm_unused_struct* ly_add_listener(SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
dispatcher-scheme.cc:59:7: note: in expansion of macro 'SCM_ASSERT_TYPE'
       SCM_ASSERT_TYPE (scm_is_symbol (sym), sym, arg, __FUNCTION__, "symbol");
       ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
dispatcher-scheme.cc:59:24: note: in expansion of macro 'scm_is_symbol'
       SCM_ASSERT_TYPE (scm_is_symbol (sym), sym, arg, __FUNCTION__, "symbol");
                        ^~~~~~~~~~~~~
rm -f ./out/dot-formatting-problem.dep; DEPENDENCIES_OUTPUT="./out/dot-formatting-problem.dep ./out/dot-formatting-problem.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dot-formatting-problem.o dot-formatting-problem.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/dots-engraver.dep; DEPENDENCIES_OUTPUT="./out/dots-engraver.dep ./out/dots-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dots-engraver.o dots-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from dispatcher.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from dot-column-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/dots.dep; DEPENDENCIES_OUTPUT="./out/dots.dep ./out/dots.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dots.o dots.cc
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
dispatcher.cc: In static member function 'static scm_unused_struct* Dispatcher::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
dispatcher.cc:26:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Dispatcher);
 ^~~~~~~~~~~~~~~
dispatcher.cc: In member function 'void Dispatcher::dispatch(SCM)':
dispatcher.cc:96:33: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   int num_classes = scm_ilength (class_list);
                     ~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from dot-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from dot-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from dot-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from dot-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from dot-column.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from dot-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from dot-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from dot-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from dot-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/dot-configuration.hh:25,
                 from dot-configuration.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/dot-configuration.hh:25,
                 from dot-configuration.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/dot-configuration.hh:25,
                 from dot-configuration.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/dot-configuration.hh:25,
                 from dot-configuration.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/dot-configuration.hh:25,
                 from dot-configuration.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from dot-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from dot-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from dot-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dot-column.hh:24,
                 from dot-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/dot-configuration.hh:25,
                 from dot-configuration.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/dot-configuration.hh:25,
                 from dot-configuration.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/dot-configuration.hh:25,
                 from dot-configuration.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/dot-configuration.hh:25,
                 from dot-configuration.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dots-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dots-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dots-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dots-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/double-percent-repeat-engraver.dep; DEPENDENCIES_OUTPUT="./out/double-percent-repeat-engraver.dep ./out/double-percent-repeat-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/double-percent-repeat-engraver.o double-percent-repeat-engraver.cc
rm -f ./out/drum-note-engraver.dep; DEPENDENCIES_OUTPUT="./out/drum-note-engraver.dep ./out/drum-note-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/drum-note-engraver.o drum-note-engraver.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dots.hh:24,
                 from dots.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dots.hh:24,
                 from dots.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dots.hh:24,
                 from dots.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dots.hh:24,
                 from dots.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dots-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/drum-note-performer.dep; DEPENDENCIES_OUTPUT="./out/drum-note-performer.dep ./out/drum-note-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/drum-note-performer.o drum-note-performer.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dots.hh:24,
                 from dots.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/dot-formatting-problem.hh:4,
                 from dot-formatting-problem.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/dot-formatting-problem.hh:4,
                 from dot-formatting-problem.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/dot-formatting-problem.hh:4,
                 from dot-formatting-problem.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from double-percent-repeat-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from double-percent-repeat-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from double-percent-repeat-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from double-percent-repeat-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/dot-formatting-problem.hh:4,
                 from dot-formatting-problem.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dots-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dots-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dots-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/dot-formatting-problem.hh:4,
                 from dot-formatting-problem.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dots-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dots.hh:24,
                 from dots.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dots.hh:24,
                 from dots.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dots.hh:24,
                 from dots.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/dots.hh:24,
                 from dots.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
dots.cc: In static member function 'static scm_unused_struct* Dots::print(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
dots.cc:42:11: note: in expansion of macro 'scm_is_symbol'
       if (scm_is_symbol (scm_style))
           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/dot-formatting-problem.hh:4,
                 from dot-formatting-problem.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/dot-formatting-problem.hh:4,
                 from dot-formatting-problem.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/dot-formatting-problem.hh:4,
                 from dot-formatting-problem.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/dot-formatting-problem.hh:4,
                 from dot-formatting-problem.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/duration-scheme.dep; DEPENDENCIES_OUTPUT="./out/duration-scheme.dep ./out/duration-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/duration-scheme.o duration-scheme.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/duration.dep; DEPENDENCIES_OUTPUT="./out/duration.dep ./out/duration.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/duration.o duration.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from double-percent-repeat-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/dynamic-align-engraver.dep; DEPENDENCIES_OUTPUT="./out/dynamic-align-engraver.dep ./out/dynamic-align-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dynamic-align-engraver.o dynamic-align-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from double-percent-repeat-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from double-percent-repeat-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from double-percent-repeat-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from double-percent-repeat-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from drum-note-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from drum-note-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from drum-note-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from drum-note-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from drum-note-engraver.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from drum-note-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from drum-note-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from drum-note-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from drum-note-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from drum-note-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from drum-note-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from drum-note-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from drum-note-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from drum-note-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from drum-note-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from drum-note-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from drum-note-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from drum-note-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/dynamic-engraver.dep; DEPENDENCIES_OUTPUT="./out/dynamic-engraver.dep ./out/dynamic-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dynamic-engraver.o dynamic-engraver.cc
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/dynamic-performer.dep; DEPENDENCIES_OUTPUT="./out/dynamic-performer.dep ./out/dynamic-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/dynamic-performer.o dynamic-performer.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
drum-note-performer.cc: In member function 'void Drum_note_performer::process_music()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
drum-note-performer.cc:57:11: note: in expansion of macro 'scm_is_symbol'
       if (scm_is_symbol (sym)
           ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/enclosing-bracket.dep; DEPENDENCIES_OUTPUT="./out/enclosing-bracket.dep ./out/enclosing-bracket.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/enclosing-bracket.o enclosing-bracket.cc
drum-note-engraver.cc: In member function 'void Drum_notes_engraver::process_music()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
drum-note-engraver.cc:90:15: note: in expansion of macro 'scm_is_symbol'
           if (scm_is_symbol (style))
               ^~~~~~~~~~~~~
rm -f ./out/engraver-group.dep; DEPENDENCIES_OUTPUT="./out/engraver-group.dep ./out/engraver-group.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/engraver-group.o engraver-group.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-align-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-align-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-align-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-align-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration-scheme.cc:21:
duration-scheme.cc: In function 'scm_unused_struct* ly_make_duration(SCM, SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
duration-scheme.cc:77:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (num))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
duration-scheme.cc:85:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (den))
        ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
duration.cc: In constructor 'Duration::Duration(Rational, bool)':
duration.cc:52:13: warning: conversion to 'double' from 'I64 {aka long long int}' may alter its value [-Wconversion]
   if (r.num () == 0.0)
       ~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from duration.cc:21:
duration.cc: In static member function 'static scm_unused_struct* Duration::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
duration.cc:148:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Duration);
 ^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-align-engraver.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-align-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-align-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-align-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-align-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from engraver-group.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from engraver-group.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from engraver-group.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
rm -f ./out/engraver-scheme.dep; DEPENDENCIES_OUTPUT="./out/engraver-scheme.dep ./out/engraver-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/engraver-scheme.o engraver-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from engraver-group.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/engraver.dep; DEPENDENCIES_OUTPUT="./out/engraver.dep ./out/engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/engraver.o engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/episema-engraver.dep; DEPENDENCIES_OUTPUT="./out/episema-engraver.dep ./out/episema-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/episema-engraver.o episema-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from dynamic-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from dynamic-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from dynamic-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from dynamic-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from dynamic-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from dynamic-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from dynamic-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from dynamic-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from dynamic-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from dynamic-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from engraver-group.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from enclosing-bracket.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from enclosing-bracket.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from enclosing-bracket.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from enclosing-bracket.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from enclosing-bracket.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from engraver-group.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from engraver-group.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from engraver-group.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from engraver-group.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from episema-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from episema-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from episema-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from episema-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/event-chord-iterator.dep; DEPENDENCIES_OUTPUT="./out/event-chord-iterator.dep ./out/event-chord-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/event-chord-iterator.o event-chord-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from enclosing-bracket.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from enclosing-bracket.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from enclosing-bracket.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from enclosing-bracket.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/translator-dispatch-list.hh: In static member function 'static Engraver_dispatch_list* Engraver_dispatch_list::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/translator-dispatch-list.hh:41:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Engraver_dispatch_list);
   ^~~~~~~~~~~~~~~~~~~~
engraver-group.cc: In member function 'int Engraver_group::pending_grob_count() const':
engraver-group.cc:140:36: warning: conversion to 'int' from 'std::vector<Grob_info>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int count = announce_infos_.size ();
               ~~~~~~~~~~~~~~~~~~~~~^~
rm -f ./out/event-iterator.dep; DEPENDENCIES_OUTPUT="./out/event-iterator.dep ./out/event-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/event-iterator.o event-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/extender-engraver.dep; DEPENDENCIES_OUTPUT="./out/extender-engraver.dep ./out/extender-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/extender-engraver.o extender-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/figured-bass-continuation.dep; DEPENDENCIES_OUTPUT="./out/figured-bass-continuation.dep ./out/figured-bass-continuation.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/figured-bass-continuation.o figured-bass-continuation.cc
rm -f ./out/figured-bass-engraver.dep; DEPENDENCIES_OUTPUT="./out/figured-bass-engraver.dep ./out/figured-bass-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/figured-bass-engraver.o figured-bass-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from episema-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/figured-bass-position-engraver.dep; DEPENDENCIES_OUTPUT="./out/figured-bass-position-engraver.dep ./out/figured-bass-position-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/figured-bass-position-engraver.o figured-bass-position-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from episema-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from episema-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from episema-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from episema-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-chord-iterator.hh:23,
                 from event-chord-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-chord-iterator.hh:23,
                 from event-chord-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-chord-iterator.hh:23,
                 from event-chord-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-chord-iterator.hh:23,
                 from event-chord-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from extender-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from extender-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from extender-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from extender-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-chord-iterator.hh:23,
                 from event-chord-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-chord-iterator.hh:23,
                 from event-chord-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-chord-iterator.hh:23,
                 from event-chord-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-chord-iterator.hh:23,
                 from event-chord-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-chord-iterator.hh:23,
                 from event-chord-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-position-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-position-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-position-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-position-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/file-name-map.dep; DEPENDENCIES_OUTPUT="./out/file-name-map.dep ./out/file-name-map.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/file-name-map.o file-name-map.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-iterator.hh:24,
                 from event-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-iterator.hh:24,
                 from event-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-iterator.hh:24,
                 from event-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-iterator.hh:24,
                 from event-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-iterator.hh:24,
                 from event-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-iterator.hh:24,
                 from event-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-iterator.hh:24,
                 from event-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-iterator.hh:24,
                 from event-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/event-iterator.hh:24,
                 from event-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
rm -f ./out/fingering-column-engraver.dep; DEPENDENCIES_OUTPUT="./out/fingering-column-engraver.dep ./out/fingering-column-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/fingering-column-engraver.o fingering-column-engraver.cc
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from extender-engraver.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-position-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/fingering-column.dep; DEPENDENCIES_OUTPUT="./out/fingering-column.dep ./out/fingering-column.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/fingering-column.o fingering-column.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from extender-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from extender-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from extender-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from extender-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from figured-bass-continuation.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
rm -f ./out/fingering-engraver.dep; DEPENDENCIES_OUTPUT="./out/fingering-engraver.dep ./out/fingering-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/fingering-engraver.o fingering-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from figured-bass-continuation.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from figured-bass-continuation.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from figured-bass-continuation.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from figured-bass-continuation.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/flag.dep; DEPENDENCIES_OUTPUT="./out/flag.dep ./out/flag.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/flag.o flag.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from figured-bass-continuation.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from figured-bass-continuation.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from figured-bass-continuation.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from figured-bass-continuation.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-position-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-position-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-position-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from figured-bass-position-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
figured-bass-engraver.cc: In member function 'void Figured_bass_engraver::process_music()':
figured-bass-engraver.cc:375:44: warning: conversion to 'std::vector<int>::value_type {aka int}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
             junk_continuations.push_back (i);
                                            ^
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/font-config-scheme.dep; DEPENDENCIES_OUTPUT="./out/font-config-scheme.dep ./out/font-config-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/font-config-scheme.o font-config-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-column-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from file-name-map.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from file-name-map.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from file-name-map.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from fingering-column.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from fingering-column.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from file-name-map.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from fingering-column.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from fingering-column.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from fingering-column.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from file-name-map.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from fingering-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from file-name-map.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from file-name-map.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from file-name-map.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from file-name-map.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from flag.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from flag.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from flag.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from fingering-column.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from fingering-column.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from fingering-column.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from flag.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from fingering-column.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from flag.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from flag.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from flag.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from flag.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
fingering-engraver.cc: In member function 'void Fingering_engraver::process_music()':
fingering-engraver.cc:89:47: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       make_script (to_dir (dir), events_[i], i);
                                               ^
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from flag.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/font-config.dep; DEPENDENCIES_OUTPUT="./out/font-config.dep ./out/font-config.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/font-config.o font-config.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
flag.cc: In static member function 'static scm_unused_struct* Flag::glyph_name(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
flag.cc:78:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (flag_style_scm))
       ^~~~~~~~~~~~~
flag.cc: In static member function 'static scm_unused_struct* Flag::print(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
flag.cc:123:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (flag_style_scm))
       ^~~~~~~~~~~~~
rm -f ./out/font-interface.dep; DEPENDENCIES_OUTPUT="./out/font-interface.dep ./out/font-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/font-interface.o font-interface.cc
rm -f ./out/font-metric-scheme.dep; DEPENDENCIES_OUTPUT="./out/font-metric-scheme.dep ./out/font-metric-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/font-metric-scheme.o font-metric-scheme.cc
rm -f ./out/font-metric.dep; DEPENDENCIES_OUTPUT="./out/font-metric.dep ./out/font-metric.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/font-metric.o font-metric.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from font-config-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from font-config-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from font-config-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from font-config-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/font-select.dep; DEPENDENCIES_OUTPUT="./out/font-select.dep ./out/font-select.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/font-select.o font-select.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from font-config-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/font-size-engraver.dep; DEPENDENCIES_OUTPUT="./out/font-size-engraver.dep ./out/font-size-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/font-size-engraver.o font-size-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from font-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from font-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from font-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from font-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from font-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from font-config-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from font-config-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from font-config-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from font-config-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/footnote-engraver.dep; DEPENDENCIES_OUTPUT="./out/footnote-engraver.dep ./out/footnote-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/footnote-engraver.o footnote-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from font-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from font-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from font-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from font-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
rm -f ./out/forbid-break-engraver.dep; DEPENDENCIES_OUTPUT="./out/forbid-break-engraver.dep ./out/forbid-break-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/forbid-break-engraver.o forbid-break-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
rm -f ./out/freetype-error.dep; DEPENDENCIES_OUTPUT="./out/freetype-error.dep ./out/freetype-error.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/freetype-error.o freetype-error.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
font-metric-scheme.cc: In function 'scm_unused_struct* ly_font_glyph_name_to_index(SCM, SCM)':
font-metric-scheme.cc:64:42: warning: conversion to 'scm_t_int32 {aka int}' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
   return scm_from_int (fm->name_to_index (ly_scm2string (name)));
                        ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from footnote-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from footnote-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from footnote-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from footnote-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from font-size-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from font-size-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from font-size-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from font-size-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from font-size-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/freetype.dep; DEPENDENCIES_OUTPUT="./out/freetype.dep ./out/freetype.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/freetype.o freetype.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from forbid-break-engraver.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from forbid-break-engraver.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from forbid-break-engraver.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from forbid-break-engraver.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from font-size-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from font-size-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from font-size-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from font-size-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
font-metric.cc: In member function 'virtual Stencil Font_metric::find_by_name(std::__cxx11::string) const':
font-metric.cc:44:27: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
   int idx = name_to_index (s);
             ~~~~~~~~~~~~~~^~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from footnote-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from font-metric.cc:20:
font-metric.cc: In static member function 'static scm_unused_struct* Font_metric::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
font-metric.cc:118:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Font_metric);
 ^~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from font-select.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from font-select.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from font-select.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from font-select.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from font-select.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from font-select.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from font-select.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from font-select.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from footnote-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from footnote-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: iIn file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from font-select.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
            n expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_i                       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
s_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from footnote-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from footnote-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from forbid-break-engraver.cc:19:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/fretboard-engraver.dep; DEPENDENCIES_OUTPUT="./out/fretboard-engraver.dep ./out/fretboard-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/fretboard-engraver.o fretboard-engraver.cc
rm -f ./out/function-documentation.dep; DEPENDENCIES_OUTPUT="./out/function-documentation.dep ./out/function-documentation.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/function-documentation.o function-documentation.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from forbid-break-engraver.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from forbid-break-engraver.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from forbid-break-engraver.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from forbid-break-engraver.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
font-select.cc: In function 'Font_metric* get_font_by_design_size(Output_def*, Real, SCM)':
font-select.cc:32:31: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
   int n = scm_c_vector_length (font_vector);
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from font-select.cc:21:
font-select.cc: In function 'Font_metric* select_encoded_font(Output_def*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
font-select.cc:126:9: note: in expansion of macro 'scm_is_true'
     if (scm_is_true (scm_instance_p (name)))
         ^~~~~~~~~~~
rm -f ./out/gdb.dep; DEPENDENCIES_OUTPUT="./out/gdb.dep ./out/gdb.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/gdb.o gdb.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
/usr/pkg/bin/python2.7 -tt /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/make-version.py ../VERSION > out/version.hh
rm -f ./out/glissando-engraver.dep; DEPENDENCIES_OUTPUT="./out/glissando-engraver.dep ./out/glissando-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/glissando-engraver.o glissando-engraver.cc
rm -f ./out/global-context-scheme.dep; DEPENDENCIES_OUTPUT="./out/global-context-scheme.dep ./out/global-context-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/global-context-scheme.o global-context-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype-error.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/articulations.hh:23,
                 from fretboard-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype-error.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/articulations.hh:23,
                 from fretboard-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype-error.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/articulations.hh:23,
                 from fretboard-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype-error.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/articulations.hh:23,
                 from fretboard-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                    
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/incl                                        ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
ude/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNP/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
ACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype-error.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/global-context.dep; DEPENDENCIES_OUTPUT="./out/global-context.dep ./out/global-context.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/global-context.o global-context.cc
rm -f ./out/global-ctor.dep; DEPENDENCIES_OUTPUT="./out/global-ctor.dep ./out/global-ctor.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/global-ctor.o global-ctor.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype-error.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype-error.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype-error.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from freetype-error.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
freetype.cc: In function 'Box ly_FT_get_glyph_outline_bbox(FT_FaceRec_* const&, size_t)':
freetype.cc:92:30: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
   return Box (Interval (bbox.xMin, bbox.xMax), Interval (bbox.yMin, bbox.yMax));
                         ~~~~~^~~~
freetype.cc:92:41: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
   return Box (Interval (bbox.xMin, bbox.xMax), Interval (bbox.yMin, bbox.yMax));
                                    ~~~~~^~~~
freetype.cc:92:63: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
   return Box (Interval (bbox.xMin, bbox.xMax), Interval (bbox.yMin, bbox.yMax));
                                                          ~~~~~^~~~
freetype.cc:92:74: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
   return Box (Interval (bbox.xMin, bbox.xMax), Interval (bbox.yMin, bbox.yMax));
                                                                     ~~~~~^~~~
freetype.cc: In function 'scm_unused_struct* ly_FT_get_glyph_outline(FT_FaceRec_* const&, size_t)':
freetype.cc:120:49: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           firstpos = Offset (outline->points[j].x, outline->points[j].y);
                              ~~~~~~~~~~~~~~~~~~~^
freetype.cc:120:71: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           firstpos = Offset (outline->points[j].x, outline->points[j].y);
                                                    ~~~~~~~~~~~~~~~~~~~^
freetype.cc:129:75: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
                                       scm_from_double (outline->points[j].x),
                                                        ~~~~~~~~~~~~~~~~~~~^
freetype.cc:130:75: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
                                       scm_from_double (outline->points[j].y)),
                                                        ~~~~~~~~~~~~~~~~~~~^
freetype.cc:132:48: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           lastpos = Offset (outline->points[j].x, outline->points[j].y);
                             ~~~~~~~~~~~~~~~~~~~^
freetype.cc:132:70: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           lastpos = Offset (outline->points[j].x, outline->points[j].y);
                                                   ~~~~~~~~~~~~~~~~~~~^
freetype.cc:140:75: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
                                       scm_from_double (outline->points[j].x),
                                                        ~~~~~~~~~~~~~~~~~~~^
freetype.cc:141:75: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
                                       scm_from_double (outline->points[j].y),
                                                        ~~~~~~~~~~~~~~~~~~~^
freetype.cc:142:79: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
                                       scm_from_double (outline->points[j + 1].x),
                                                        ~~~~~~~~~~~~~~~~~~~~~~~^
freetype.cc:143:79: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
                                       scm_from_double (outline->points[j + 1].y),
                                                        ~~~~~~~~~~~~~~~~~~~~~~~^
freetype.cc:144:79: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
                                       scm_from_double (outline->points[j + 2].x),
                                                        ~~~~~~~~~~~~~~~~~~~~~~~^
freetype.cc:145:79: warning: conversion to 'double' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
                                       scm_from_double (outline->points[j + 2].y),
                                                        ~~~~~~~~~~~~~~~~~~~~~~~^
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
freetype.cc:148:52: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           lastpos = Offset (outline->points[j + 2].x, outline->points[j + 2].y);
                             ~~~~~~~~~~~~~~~~~~~~~~~^
freetype.cc:148:78: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           lastpos = Offset (outline->points[j + 2].x, outline->points[j + 2].y);
                                                       ~~~~~~~~~~~~~~~~~~~~~~~^
freetype.cc:155:40: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           Real x1 = outline->points[j].x;
                     ~~~~~~~~~~~~~~~~~~~^
freetype.cc:156:44: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           Real x2 = outline->points[j + 1].x;
                     ~~~~~~~~~~~~~~~~~~~~~~~^
freetype.cc:159:40: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           Real y1 = outline->points[j].y;
                     ~~~~~~~~~~~~~~~~~~~^
freetype.cc:160:44: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           Real y2 = outline->points[j + 1].y;
                     ~~~~~~~~~~~~~~~~~~~~~~~^
freetype.cc:190:52: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           lastpos = Offset (outline->points[j + 1].x, outline->points[j + 1].y);
                             ~~~~~~~~~~~~~~~~~~~~~~~^
freetype.cc:190:78: warning: conversion to 'Real {aka double}' from 'FT_Pos {aka long int}' may alter its value [-Wconversion]
           lastpos = Offset (outline->points[j + 1].x, outline->points[j + 1].y);
                                                       ~~~~~~~~~~~~~~~~~~~~~~~^
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from function-documentation.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from function-documentation.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from function-documentation.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from function-documentation.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from glissando-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from glissando-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from glissando-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from function-documentation.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from glissando-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/articulations.hh:23,
                 from fretboard-engraver.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/global-vars.dep; DEPENDENCIES_OUTPUT="./out/global-vars.dep ./out/global-vars.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/global-vars.o global-vars.cc
rm -f ./out/grace-engraver.dep; DEPENDENCIES_OUTPUT="./out/grace-engraver.dep ./out/grace-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grace-engraver.o grace-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/articulations.hh:23,
                 from fretboard-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/articulations.hh:23,
                 from fretboard-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/articulations.hh:23,
                 from fretboard-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/articulations.hh:23,
                 from fretboard-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from gdb.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from gdb.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from gdb.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from gdb.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from gdb.cc:1:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from function-documentation.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from function-documentation.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from function-documentation.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from function-documentation.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from glissando-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from gdb.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from gdb.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from gdb.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from gdb.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from glissando-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from glissando-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from glissando-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from glissando-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/grace-iterator.dep; DEPENDENCIES_OUTPUT="./out/grace-iterator.dep ./out/grace-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grace-iterator.o grace-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from ./include/global-context.hh:23,
                 from global-context.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
rm -f ./out/grace-music.dep; DEPENDENCIES_OUTPUT="./out/grace-music.dep ./out/grace-music.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grace-music.o grace-music.cc
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
global-context.cc: In member function 'int Global_context::get_moments_left() const':
global-context.cc:88:29: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   return extra_mom_pq_.size ();
          ~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/grace-spacing-engraver.dep; DEPENDENCIES_OUTPUT="./out/grace-spacing-engraver.dep ./out/grace-spacing-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grace-spacing-engraver.o grace-spacing-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/gregorian-ligature-engraver.dep; DEPENDENCIES_OUTPUT="./out/gregorian-ligature-engraver.dep ./out/gregorian-ligature-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/gregorian-ligature-engraver.o gregorian-ligature-engraver.cc
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from grace-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from grace-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from grace-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from grace-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-spacing-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-spacing-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-spacing-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-spacing-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/gregorian-ligature.dep; DEPENDENCIES_OUTPUT="./out/gregorian-ligature.dep ./out/gregorian-ligature.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/gregorian-ligature.o gregorian-ligature.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from ./include/grace-iterator.hh:23,
                 from grace-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from ./include/grace-iterator.hh:23,
                 from grace-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from ./include/grace-iterator.hh:23,
                 from grace-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from ./include/grace-iterator.hh:23,
                 from grace-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from ./include/grace-iterator.hh:23,
                 from grace-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from ./include/grace-iterator.hh:23,
                 from grace-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from ./include/grace-iterator.hh:23,
                 from grace-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from ./include/grace-iterator.hh:23,
                 from grace-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from ./include/grace-iterator.hh:23,
                 from grace-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from gregorian-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNP./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
ACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
rm -f ./out/grid-line-interface.dep; DEPENDENCIES_OUTPUT="./out/grid-line-interface.dep ./out/grid-line-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grid-line-interface.o grid-line-interface.cc
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from gregorian-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from gregorian-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from gregorian-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/grid-line-span-engraver.dep; DEPENDENCIES_OUTPUT="./out/grid-line-span-engraver.dep ./out/grid-line-span-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grid-line-span-engraver.o grid-line-span-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from grace-music.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/grid-point-engraver.dep; DEPENDENCIES_OUTPUT="./out/grid-point-engraver.dep ./out/grid-point-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grid-point-engraver.o grid-point-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-spacing-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/grob-array-scheme.dep; DEPENDENCIES_OUTPUT="./out/grob-array-scheme.dep ./out/grob-array-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob-array-scheme.o grob-array-scheme.cc
rm -f ./out/grob-array.dep; DEPENDENCIES_OUTPUT="./out/grob-array.dep ./out/grob-array.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob-array.o grob-array.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-line-span-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-line-span-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-line-span-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-line-span-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-spacing-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-spacing-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-spacing-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grace-spacing-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from grace-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from grace-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from grace-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from grace-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-point-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-point-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-point-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-point-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/gregorian-ligature.hh:25,
                 from gregorian-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/gregorian-ligature.hh:25,
                 from gregorian-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/gregorian-ligature.hh:25,
                 from gregorian-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/gregorian-ligature.hh:25,
                 from gregorian-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/gregorian-ligature.hh:25,
                 from gregorian-ligature.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-line-span-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from gregorian-ligature-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/grob-closure.dep; DEPENDENCIES_OUTPUT="./out/grob-closure.dep ./out/grob-closure.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob-closure.o grob-closure.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/grid-line-interface.hh:24,
                 from grid-line-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/grid-line-interface.hh:24,
                 from grid-line-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/grid-line-interface.hh:24,
                 from grid-line-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/grid-line-interface.hh:24,
                 from grid-line-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/grid-line-interface.hh:24,
                 from grid-line-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/grob-info.dep; DEPENDENCIES_OUTPUT="./out/grob-info.dep ./out/grob-info.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob-info.o grob-info.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-line-span-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-line-span-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-line-span-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-line-span-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/gregorian-ligature.hh:25,
                 from gregorian-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/gregorian-ligature.hh:25,
                 from gregorian-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/gregorian-ligature.hh:25,
                 from gregorian-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from gregorian-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/gregorian-ligature.hh:25,
                 from gregorian-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from gregorian-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from gregorian-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from gregorian-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
grid-line-span-engraver.cc: In member function 'void Grid_line_span_engraver::acknowledge_grid_point(Grob_info)':
grid-line-span-engraver.cc:44:45: warning: conversion to 'int' from 'std::vector<Context*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int depth = i.origin_contexts (this).size ();
               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-line-span-engraver.cc:20:
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/grid-line-interface.hh:24,
                 from grid-line-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/grid-line-interface.hh:24,
                 from grid-line-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/grid-line-interface.hh:24,
                 from grid-line-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/grid-line-interface.hh:24,
                 from grid-line-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-point-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-point-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-point-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-point-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from grid-point-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-info.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-info.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-info.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-info.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/grob-interface-scheme.dep; DEPENDENCIES_OUTPUT="./out/grob-interface-scheme.dep ./out/grob-interface-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob-interface-scheme.o grob-interface-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
rm -f ./out/grob-interface.dep; DEPENDENCIES_OUTPUT="./out/grob-interface.dep ./out/grob-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob-interface.o grob-interface.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/grob-pq-engraver.dep; DEPENDENCIES_OUTPUT="./out/grob-pq-engraver.dep ./out/grob-pq-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob-pq-engraver.o grob-pq-engraver.cc
rm -f ./out/grob-property.dep; DEPENDENCIES_OUTPUT="./out/grob-property.dep ./out/grob-property.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob-property.o grob-property.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/grob-array.hh:24,
                 from grob-array.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
grob-array-scheme.cc: In function 'scm_unused_struct* ly_grob_array_length(SCM)':
grob-array-scheme.cc:32:33: warning: conversion to 'scm_t_int32 {aka int}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   return scm_from_int (me->size ());
                        ~~~~~~~~~^~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
grob-array.cc: In static member function 'static scm_unused_struct* Grob_array::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
grob-array.cc:116:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Grob_array);
 ^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-info.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from grob-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from grob-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from grob-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from grob-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/grob-scheme.dep; DEPENDENCIES_OUTPUT="./out/grob-scheme.dep ./out/grob-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob-scheme.o grob-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-closure.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-closure.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-closure.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-closure.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-closure.cc:1:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-pq-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-pq-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-pq-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-pq-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-info.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-info.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-info.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-info.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from grob-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from grob-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from grob-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from grob-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-closure.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-closure.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-closure.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-closure.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from grob-interface-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/grob-smob.dep; DEPENDENCIES_OUTPUT="./out/grob-smob.dep ./out/grob-smob.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob-smob.o grob-smob.cc
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-pq-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from grob-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from grob-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from grob-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from grob-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from grob-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/grob.dep; DEPENDENCIES_OUTPUT="./out/grob.dep ./out/grob.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/grob.o grob.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-pq-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-pq-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-pq-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from grob-pq-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from grob-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from grob-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from grob-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from grob-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from grob-property.cc:8:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from grob-property.cc:8:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from grob-property.cc:8:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from grob-property.cc:8:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from grob-property.cc:8:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from grob-property.cc:8:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from grob-property.cc:8:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from grob-property.cc:8:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from grob-property.cc:8:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/guile-init.dep; DEPENDENCIES_OUTPUT="./out/guile-init.dep ./out/guile-init.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/guile-init.o guile-init.cc
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/hairpin.dep; DEPENDENCIES_OUTPUT="./out/hairpin.dep ./out/hairpin.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/hairpin.o hairpin.cc
rm -f ./out/hara-kiri-group-spanner.dep; DEPENDENCIES_OUTPUT="./out/hara-kiri-group-spanner.dep ./out/hara-kiri-group-spanner.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/hara-kiri-group-spanner.o hara-kiri-group-spanner.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/horizontal-bracket-engraver.dep; DEPENDENCIES_OUTPUT="./out/horizontal-bracket-engraver.dep ./out/horizontal-bracket-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/horizontal-bracket-engraver.o horizontal-bracket-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hairpin.hh:23,
                 from hairpin.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hairpin.hh:23,
                 from hairpin.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hairpin.hh:23,
                 from hairpin.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hairpin.hh:23,
                 from hairpin.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-smob.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from grob-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from guile-init.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from grob-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from guile-init.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from grob-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from guile-init.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from guile-init.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from grob-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from grob-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/horizontal-bracket.dep; DEPENDENCIES_OUTPUT="./out/horizontal-bracket.dep ./out/horizontal-bracket.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/horizontal-bracket.o horizontal-bracket.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from grob-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from grob-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from grob-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from grob-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/hyphen-engraver.dep; DEPENDENCIES_OUTPUT="./out/hyphen-engraver.dep ./out/hyphen-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/hyphen-engraver.o hyphen-engraver.cc
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hara-kiri-group-spanner.hh:24,
                 from hara-kiri-group-spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hara-kiri-group-spanner.hh:24,
                 from hara-kiri-group-spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hara-kiri-group-spanner.hh:24,
                 from hara-kiri-group-spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hara-kiri-group-spanner.hh:24,
                 from hara-kiri-group-spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
grob-smob.cc: In static member function 'static scm_unused_struct* Grob::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
grob-smob.cc:27:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Grob);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hara-kiri-group-spanner.hh:24,
                 from hara-kiri-group-spanner.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from guile-init.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from grob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from horizontal-bracket-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from horizontal-bracket-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from horizontal-bracket-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from horizontal-bracket-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hara-kiri-group-spanner.hh:24,
                 from hara-kiri-group-spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from guile-init.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from guile-init.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hara-kiri-group-spanner.hh:24,
                 from hara-kiri-group-spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from guile-init.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hara-kiri-group-spanner.hh:24,
                 from hara-kiri-group-spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from guile-init.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hara-kiri-group-spanner.hh:24,
                 from hara-kiri-group-spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hairpin.hh:23,
                 from hairpin.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
hara-kiri-group-spanner.cc: In static member function 'static bool Hara_kiri_group_spanner::request_suicide_alone(Grob*, int, int)':
hara-kiri-group-spanner.cc:104:37: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
       int len = scm_c_vector_length (important);
                 ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
hara-kiri-group-spanner.cc:124:51: warning: conversion to 'scm_t_int32 {aka int}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
         scm_vector_set_x (scm_vec, scm_from_int (i), scm_from_int (ranks[i]));
                                                   ^
rm -f ./out/includable-lexer.dep; DEPENDENCIES_OUTPUT="./out/includable-lexer.dep ./out/includable-lexer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/includable-lexer.o includable-lexer.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hairpin.hh:23,
                 from hairpin.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hairpin.hh:23,
                 from hairpin.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hairpin.hh:23,
                 from hairpin.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/hairpin.hh:23,
                 from hairpin.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
grob.cc: In member function 'std::__cxx11::string Grob::name() const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
grob.cc:764:10: note: in expansion of macro 'scm_is_symbol'
   return scm_is_symbol (nm) ? ly_symbol2string (nm) : this->class_name ();
          ^~~~~~~~~~~~~
rm -f ./out/input-scheme.dep; DEPENDENCIES_OUTPUT="./out/input-scheme.dep ./out/input-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/input-scheme.o input-scheme.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from horizontal-bracket-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from horizontal-bracket-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from horizontal-bracket-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from horizontal-bracket-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from horizontal-bracket-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from hyphen-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from hyphen-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from hyphen-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from hyphen-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/horizontal-bracket.hh:25,
                 from horizontal-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/horizontal-bracket.hh:25,
                 from horizontal-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/horizontal-bracket.hh:25,
                 from horizontal-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/horizontal-bracket.hh:25,
                 from horizontal-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/horizontal-bracket.hh:25,
                 from horizontal-bracket.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/horizontal-bracket.hh:25,
                 from horizontal-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/horizontal-bracket.hh:25,
                 from horizontal-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/horizontal-bracket.hh:25,
                 from horizontal-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/horizontal-bracket.hh:25,
                 from horizontal-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from hyphen-engraver.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from hyphen-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from hyphen-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from hyphen-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from hyphen-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/input-smob.dep; DEPENDENCIES_OUTPUT="./out/input-smob.dep ./out/input-smob.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/input-smob.o input-smob.cc
rm -f ./out/input.dep; DEPENDENCIES_OUTPUT="./out/input.dep ./out/input.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/input.o input.cc
rm -f ./out/instrument-name-engraver.dep; DEPENDENCIES_OUTPUT="./out/instrument-name-engraver.dep ./out/instrument-name-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/instrument-name-engraver.o instrument-name-engraver.cc
rm -f ./out/instrument-switch-engraver.dep; DEPENDENCIES_OUTPUT="./out/instrument-switch-engraver.dep ./out/instrument-switch-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/instrument-switch-engraver.o instrument-switch-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from includable-lexer.cc:31:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from includable-lexer.cc:31:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from includable-lexer.cc:31:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from includable-lexer.cc:31:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from includable-lexer.cc:31:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from includable-lexer.cc:31:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from includable-lexer.cc:31:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from includable-lexer.cc:31:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from includable-lexer.cc:31:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-smob.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from instrument-switch-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from instrument-switch-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from instrument-switch-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from instrument-switch-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/interval-minefield.dep; DEPENDENCIES_OUTPUT="./out/interval-minefield.dep ./out/interval-minefield.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/interval-minefield.o interval-minefield.cc
rm -f ./out/item-scheme.dep; DEPENDENCIES_OUTPUT="./out/item-scheme.dep ./out/item-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/item-scheme.o item-scheme.cc
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from instrument-switch-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from input.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from instrument-switch-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from instrument-switch-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from instrument-switch-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from instrument-switch-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from instrument-switch-engraver.cc:21:
instrument-switch-engraver.cc: In member function 'void Instrument_switch_engraver::process_music()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
instrument-switch-engraver.cc:61:8: note: in expansion of macro 'scm_is_eq'
   if (!scm_is_eq (cue_name_, cue_text))
        ^~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from instrument-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from instrument-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from instrument-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from instrument-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from instrument-name-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from instrument-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from instrument-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from instrument-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from instrument-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
rm -f ./out/item.dep; DEPENDENCIES_OUTPUT="./out/item.dep ./out/item.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/item.o item.cc
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/keep-alive-together-engraver.dep; DEPENDENCIES_OUTPUT="./out/keep-alive-together-engraver.dep ./out/keep-alive-together-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/keep-alive-together-engraver.o keep-alive-together-engraver.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/key-engraver.dep; DEPENDENCIES_OUTPUT="./out/key-engraver.dep ./out/key-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/key-engraver.o key-engraver.cc
rm -f ./out/key-performer.dep; DEPENDENCIES_OUTPUT="./out/key-performer.dep ./out/key-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/key-performer.o key-performer.cc
rm -f ./out/key-signature-interface.dep; DEPENDENCIES_OUTPUT="./out/key-signature-interface.dep ./out/key-signature-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/key-signature-interface.o key-signature-interface.cc
rm -f ./out/keyword.dep; DEPENDENCIES_OUTPUT="./out/keyword.dep ./out/keyword.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/keyword.o keyword.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/kievan-ligature-engraver.dep; DEPENDENCIES_OUTPUT="./out/kievan-ligature-engraver.dep ./out/kievan-ligature-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/kievan-ligature-engraver.o kievan-ligature-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from keep-alive-together-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from keep-alive-together-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from keep-alive-together-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from keep-alive-together-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/kievan-ligature.dep; DEPENDENCIES_OUTPUT="./out/kievan-ligature.dep ./out/kievan-ligature.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/kievan-ligature.o kievan-ligature.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from key-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from key-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from key-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from key-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from key-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from key-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from key-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from key-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from key-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from keep-alive-together-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from kievan-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from kievan-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from kievan-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from kievan-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from key-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from key-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from key-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from key-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/laissez-vibrer-engraver.dep; DEPENDENCIES_OUTPUT="./out/laissez-vibrer-engraver.dep ./out/laissez-vibrer-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/laissez-vibrer-engraver.o laissez-vibrer-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from keep-alive-together-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from keep-alive-together-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from keep-alive-together-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from keep-alive-together-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/clef.hh:24,
                 from key-engraver.cc:20:
key-engraver.cc: In member function 'void Key_engraver::create_key(bool)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
key-engraver.cc:86:15: note: in expansion of macro 'scm_is_eq'
           && !scm_is_eq (last, key))
               ^~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from key-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from key-signature-interface.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from key-signature-interface.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from key-signature-interface.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from key-signature-interface.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from kievan-ligature-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from key-signature-interface.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from key-signature-interface.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from key-signature-interface.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from key-signature-interface.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/accidental-interface.hh:25,
                 from key-signature-interface.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from kievan-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from kievan-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from kievan-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from kievan-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from key-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from key-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from key-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from key-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/least-squares.dep; DEPENDENCIES_OUTPUT="./out/least-squares.dep ./out/least-squares.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/least-squares.o least-squares.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from laissez-vibrer-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from laissez-vibrer-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from laissez-vibrer-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from laissez-vibrer-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                  ./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_C          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
ELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/ledger-line-engraver.dep; DEPENDENCIES_OUTPUT="./out/ledger-line-engraver.dep ./out/ledger-line-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/ledger-line-engraver.o ledger-line-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/kievan-ligature.hh:24,
                 from kievan-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/kievan-ligature.hh:24,
                 from kievan-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/kievan-ligature.hh:24,
                 from kievan-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/kievan-ligature.hh:24,
                 from kievan-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/kievan-ligature.hh:24,
                 from kievan-ligature.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/ledger-line-spanner.dep; DEPENDENCIES_OUTPUT="./out/ledger-line-spanner.dep ./out/ledger-line-spanner.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/ledger-line-spanner.o ledger-line-spanner.cc
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/ligature-bracket-engraver.dep; DEPENDENCIES_OUTPUT="./out/ligature-bracket-engraver.dep ./out/ligature-bracket-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/ligature-bracket-engraver.o ligature-bracket-engraver.cc
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/kievan-ligature.hh:24,
                 from kievan-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/kievan-ligature.hh:24,
                 from kievan-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/kievan-ligature.hh:24,
                 from kievan-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/kievan-ligature.hh:24,
                 from kievan-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from laissez-vibrer-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/ligature-engraver.dep; DEPENDENCIES_OUTPUT="./out/ligature-engraver.dep ./out/ligature-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/ligature-engraver.o ligature-engraver.cc
rm -f ./out/lily-guile.dep; DEPENDENCIES_OUTPUT="./out/lily-guile.dep ./out/lily-guile.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lily-guile.o lily-guile.cc
/var/pkgsrc/work/print/lilypond/work/.tools/bin/bison -d -o ./out/parser.cc parser.yy
parser.yy:57.1-14: warning: deprecated directive: '%error-verbose', use '%define parse.error verbose' [-Wdeprecated]
   57 | %error-verbose
      | ^~~~~~~~~~~~~~
      | %define parse.error verbose
parser.yy:100.1-12: warning: deprecated directive: '%pure-parser', use '%define api.pure' [-Wdeprecated]
  100 | %pure-parser
      | ^~~~~~~~~~~~
      | %define api.pure
cp /var/pkgsrc/work/print/lilypond/work/.buildlink/include/FlexLexer.h out/FlexLexer.h
rm -f ./out/lily-version.dep; DEPENDENCIES_OUTPUT="./out/lily-version.dep ./out/lily-version.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lily-version.o lily-version.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ligature-bracket-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ligature-bracket-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ligature-bracket-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ligature-bracket-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ligature-bracket-engraver.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from laissez-vibrer-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from laissez-vibrer-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from laissez-vibrer-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from laissez-vibrer-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ligature-bracket-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ligature-bracket-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ligature-bracket-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ligature-bracket-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
least-squares.cc: In function 'void minimise_least_squares(Real*, Real*, const std::vector<Offset>&)':
least-squares.cc:43:26: warning: conversion to 'int' from 'std::vector<Offset>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int count = input.size ();
               ~~~~~~~~~~~^~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from ledger-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from ledger-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from ledger-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from ledger-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from ledger-line-spanner.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from ledger-line-spanner.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from ledger-line-spanner.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from ledger-line-spanner.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from ledger-line-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from ledger-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from ledger-line-spanner.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from ledger-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from ledger-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from ledger-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ligature-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/lilypond-version.dep; DEPENDENCIES_OUTPUT="./out/lilypond-version.dep ./out/lilypond-version.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lilypond-version.o lilypond-version.cc
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from ledger-line-spanner.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from ledger-line-spanner.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from ledger-line-spanner.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from ledger-line-spanner.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/line-interface.dep; DEPENDENCIES_OUTPUT="./out/line-interface.dep ./out/line-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/line-interface.o line-interface.cc
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
parser.yy: warning: fix-its can be applied.  Rerun with option '--update'. [-Wother]
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
ledger-line-spanner.cc: In static member function 'static scm_unused_struct* Ledger_line_spanner::print(SCM)':
ledger-line-spanner.cc:270:52: warning: conversion to 'int' from 'std::vector<double>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
           int ledger_count = ledger_positions.size ();
                              ~~~~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/line-spanner.dep; DEPENDENCIES_OUTPUT="./out/line-spanner.dep ./out/line-spanner.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/line-spanner.o line-spanner.cc
rm -f ./out/listener.dep; DEPENDENCIES_OUTPUT="./out/listener.dep ./out/listener.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/listener.o listener.cc
rm -f ./out/lookup.dep; DEPENDENCIES_OUTPUT="./out/lookup.dep ./out/lookup.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lookup.o lookup.cc
rm -f ./out/ly-module.dep; DEPENDENCIES_OUTPUT="./out/ly-module.dep ./out/ly-module.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/ly-module.o ly-module.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from line-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from line-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from line-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from line-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
lily-guile.cc: In function 'std::__cxx11::string robust_symbol2string(SCM, const string&)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
lily-guile.cc:80:10: note: in expansion of macro 'scm_is_symbol'
   return scm_is_symbol (sym) ? ly_symbol2string (sym) : str;
          ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from line-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
lily-guile.cc: In function 'unsigned int ly_scm_hash(SCM)':
lily-guile.cc:180:21: warning: conversion to 'unsigned int' from 'long unsigned int' may alter its value [-Wconversion]
   return scm_ihashv (s, ~1u);
          ~~~~~~~~~~~^~~~~~~~
lily-guile.cc: In function 'scm_unused_struct* ly_deep_copy(SCM)':
lily-guile.cc:376:37: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
       int len = scm_c_vector_length (src);
                 ~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
lily-guile.cc: In function 'bool type_check_assignment(SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
lily-guile.cc:405:8: note: in expansion of macro 'scm_is_symbol'
   if (!scm_is_symbol (sym))
        ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from lily-guile.cc:21:
lily-guile.cc: In function 'Rational ly_scm2rational(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
lily-guile.cc:602:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_inf_p (r)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
lily-guile.cc:604:11: note: in expansion of macro 'scm_is_true'
       if (scm_is_true (scm_positive_p (r)))
           ^~~~~~~~~~~
lily-guile.cc: In function 'bool ly_is_rational(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
lily-guile.cc:635:15: note: in expansion of macro 'scm_is_true'
           && (scm_is_true (scm_exact_p (n))
               ^~~~~~~~~~~
lily-guile.cc: In function 'scm_unused_struct* alist_to_hashq(SCM)':
lily-guile.cc:642:23: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   int i = scm_ilength (alist);
           ~~~~~~~~~~~~^~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from listener.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from listener.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from listener.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from listener.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from line-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from line-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from line-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/line-interface.hh:24,
                 from line-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/lyric-combine-music-iterator.dep; DEPENDENCIES_OUTPUT="./out/lyric-combine-music-iterator.dep ./out/lyric-combine-music-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lyric-combine-music-iterator.o lyric-combine-music-iterator.cc
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ly-module.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ly-module.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ly-module.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ly-module.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/lyric-combine-music.dep; DEPENDENCIES_OUTPUT="./out/lyric-combine-music.dep ./out/lyric-combine-music.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lyric-combine-music.o lyric-combine-music.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from lookup.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from lookup.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from lookup.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from lookup.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from lookup.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from line-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from line-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from listener.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from line-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from line-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from line-spanner.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from line-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from line-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from line-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from line-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from lookup.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from lookup.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from lookup.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from lookup.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from listener.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from listener.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from listener.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from listener.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
listener.cc: In static member function 'static scm_unused_struct* Listener::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
listener.cc:72:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Listener);
 ^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ly-module.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
lookup.cc: In static member function 'static Stencil Lookup::round_filled_polygon(const std::vector<Offset>&, Real)':
lookup.cc:276:16: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       int i0 = i;
                ^
lookup.cc:277:24: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       int i1 = (i + 1) % points.size ();
                ~~~~~~~~^~~~~~~~~~~~~~~~
lookup.cc:278:24: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       int i2 = (i + 2) % points.size ();
                ~~~~~~~~^~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from lyric-combine-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from lyric-combine-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from lyric-combine-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from lyric-combine-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
rm -f ./out/lyric-engraver.dep; DEPENDENCIES_OUTPUT="./out/lyric-engraver.dep ./out/lyric-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lyric-engraver.o lyric-engraver.cc
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/lyric-extender.dep; DEPENDENCIES_OUTPUT="./out/lyric-extender.dep ./out/lyric-extender.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lyric-extender.o lyric-extender.cc
rm -f ./out/lyric-hyphen.dep; DEPENDENCIES_OUTPUT="./out/lyric-hyphen.dep ./out/lyric-hyphen.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lyric-hyphen.o lyric-hyphen.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from lyric-combine-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from lyric-combine-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from lyric-combine-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from lyric-combine-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from lyric-combine-music-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from lyric-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from lyric-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from lyric-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from lyric-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-extender.hh:11,
                 from lyric-extender.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-extender.hh:11,
                 from lyric-extender.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-extender.hh:11,
                 from lyric-extender.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-extender.hh:11,
                 from lyric-extender.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ly-module.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ly-module.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ly-module.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ly-module.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ly-module.cc:20:
ly-module.cc: In function 'scm_unused_struct* ly_module_symbols(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:122:5: note: in expansion of macro 'SCM_ASSERT_TYPE'
     SCM_ASSERT_TYPE (pred (var), var, pos, FUNC_NAME, msg); \
     ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:122:22: note: in expansion of macro 'SCM_MODULEP'
     SCM_ASSERT_TYPE (pred (var), var, pos, FUNC_NAME, msg); \
                      ^~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:126:3: note: in expansion of macro 'SCM_I_MAKE_VALIDATE_MSG2'
   SCM_I_MAKE_VALIDATE_MSG2 (pos, var, SCM_ ## pred, msg)
   ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:37:39: note: in expansion of macro 'SCM_MAKE_VALIDATE_MSG'
 #define SCM_VALIDATE_MODULE(pos, scm) SCM_MAKE_VALIDATE_MSG (pos, scm, MODULEP, "module")
                                       ^~~~~~~~~~~~~~~~~~~~~
ly-module.cc:91:3: note: in expansion of macro 'SCM_VALIDATE_MODULE'
   SCM_VALIDATE_MODULE (1, mod);
   ^~~~~~~~~~~~~~~~~~~
ly-module.cc: In function 'scm_unused_struct* ly_module_2_alist(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:122:5: note: in expansion of macro 'SCM_ASSERT_TYPE'
     SCM_ASSERT_TYPE (pred (var), var, pos, FUNC_NAME, msg); \
     ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:122:22: note: in expansion of macro 'SCM_MODULEP'
     SCM_ASSERT_TYPE (pred (var), var, pos, FUNC_NAME, msg); \
                      ^~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:126:3: note: in expansion of macro 'SCM_I_MAKE_VALIDATE_MSG2'
   SCM_I_MAKE_VALIDATE_MSG2 (pos, var, SCM_ ## pred, msg)
   ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:37:39: note: in expansion of macro 'SCM_MAKE_VALIDATE_MSG'
 #define SCM_VALIDATE_MODULE(pos, scm) SCM_MAKE_VALIDATE_MSG (pos, scm, MODULEP, "module")
                                       ^~~~~~~~~~~~~~~~~~~~~
ly-module.cc:113:3: note: in expansion of macro 'SCM_VALIDATE_MODULE'
   SCM_VALIDATE_MODULE (1, mod);
   ^~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from lyric-combine-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from lyric-combine-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from lyric-combine-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/dispatcher.hh:23,
                 from lyric-combine-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from lyric-combine-music.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-hyphen.hh:23,
                 from lyric-hyphen.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-hyphen.hh:23,
                 from lyric-hyphen.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-hyphen.hh:23,
                 from lyric-hyphen.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-hyphen.hh:23,
                 from lyric-hyphen.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from lyric-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from lyric-combine-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from lyric-combine-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from lyric-combine-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from lyric-combine-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-extender.hh:11,
                 from lyric-extender.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/lyric-performer.dep; DEPENDENCIES_OUTPUT="./out/lyric-performer.dep ./out/lyric-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lyric-performer.o lyric-performer.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from lyric-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from lyric-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from lyric-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from lyric-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-extender.hh:11,
                 from lyric-extender.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-extender.hh:11,
                 from lyric-extender.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-extender.hh:11,
                 from lyric-extender.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-extender.hh:11,
                 from lyric-extender.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/main.dep; DEPENDENCIES_OUTPUT="./out/main.dep ./out/main.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/main.o main.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
rm -f ./out/mark-engraver.dep; DEPENDENCIES_OUTPUT="./out/mark-engraver.dep ./out/mark-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/mark-engraver.o mark-engraver.cc
rm -f ./out/measure-grouping-engraver.dep; DEPENDENCIES_OUTPUT="./out/measure-grouping-engraver.dep ./out/measure-grouping-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/measure-grouping-engraver.o measure-grouping-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-hyphen.hh:23,
                 from lyric-hyphen.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from lyric-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from lyric-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from lyric-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from lyric-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/measure-grouping-spanner.dep; DEPENDENCIES_OUTPUT="./out/measure-grouping-spanner.dep ./out/measure-grouping-spanner.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/measure-grouping-spanner.o measure-grouping-spanner.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-hyphen.hh:23,
                 from lyric-hyphen.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-hyphen.hh:23,
                 from lyric-hyphen.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-hyphen.hh:23,
                 from lyric-hyphen.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/lyric-hyphen.hh:23,
                 from lyric-hyphen.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from mark-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from mark-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from mark-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from mark-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/melody-engraver.dep; DEPENDENCIES_OUTPUT="./out/melody-engraver.dep ./out/melody-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/melody-engraver.o melody-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from lyric-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/melody-spanner.dep; DEPENDENCIES_OUTPUT="./out/melody-spanner.dep ./out/melody-spanner.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/melody-spanner.o melody-spanner.cc
rm -f ./out/mensural-ligature-engraver.dep; DEPENDENCIES_OUTPUT="./out/mensural-ligature-engraver.dep ./out/mensural-ligature-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/mensural-ligature-engraver.o mensural-ligature-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from lyric-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from lyric-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from lyric-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from lyric-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/measure-grouping-spanner.hh:23,
                 from measure-grouping-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from measure-grouping-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/measure-grouping-spanner.hh:23,
                 from measure-grouping-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/measure-grouping-spanner.hh:23,
                 from measure-grouping-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from measure-grouping-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from measure-grouping-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/measure-grouping-spanner.hh:23,
                 from measure-grouping-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from measure-grouping-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from measure-grouping-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from mark-engraver.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from measure-grouping-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from measure-grouping-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from measure-grouping-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from measure-grouping-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from mark-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from mark-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from mark-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from mark-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from melody-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from melody-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from melody-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from melody-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/measure-grouping-spanner.hh:23,
                 from measure-grouping-spanner.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/mensural-ligature.dep; DEPENDENCIES_OUTPUT="./out/mensural-ligature.dep ./out/mensural-ligature.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/mensural-ligature.o mensural-ligature.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from main.cc:43:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from main.cc:43:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from main.cc:43:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from main.cc:43:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from main.cc:43:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from main.cc:43:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from main.cc:43:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from main.cc:43:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from main.cc:43:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from mensural-ligature-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from mensural-ligature-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from mensural-ligature-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from mensural-ligature-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
rm -f ./out/metronome-engraver.dep; DEPENDENCIES_OUTPUT="./out/metronome-engraver.dep ./out/metronome-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/metronome-engraver.o metronome-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/melody-spanner.hh:24,
                 from melody-spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/melody-spanner.hh:24,
                 from melody-spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from melody-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/melody-spanner.hh:24,
                 from melody-spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/melody-spanner.hh:24,
                 from melody-spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/melody-spanner.hh:24,
                 from melody-spanner.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/midi-chunk.dep; DEPENDENCIES_OUTPUT="./out/midi-chunk.dep ./out/midi-chunk.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/midi-chunk.o midi-chunk.cc
rm -f ./out/midi-control-function-performer.dep; DEPENDENCIES_OUTPUT="./out/midi-control-function-performer.dep ./out/midi-control-function-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/midi-control-function-performer.o midi-control-function-performer.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/measure-grouping-spanner.hh:23,
                 from measure-grouping-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/measure-grouping-spanner.hh:23,
                 from measure-grouping-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/measure-grouping-spanner.hh:23,
                 from measure-grouping-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/measure-grouping-spanner.hh:23,
                 from measure-grouping-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from melody-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from melody-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from melody-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from melody-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/melody-spanner.hh:24,
                 from melody-spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/melody-spanner.hh:24,
                 from melody-spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/melody-spanner.hh:24,
                 from melody-spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/melody-spanner.hh:24,
                 from melody-spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from mensural-ligature-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from mensural-ligature-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from mensural-ligature-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from mensural-ligature-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from mensural-ligature-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/midi-item.dep; DEPENDENCIES_OUTPUT="./out/midi-item.dep ./out/midi-item.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/midi-item.o midi-item.cc
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/midi-stream.dep; DEPENDENCIES_OUTPUT="./out/midi-stream.dep ./out/midi-stream.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/midi-stream.o midi-stream.cc
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
mensural-ligature-engraver.cc: In member function 'void Mensural_ligature_engraver::fold_up_primitives(const std::vector<Grob_info>&, Real&)':
mensural-ligature-engraver.cc:466:40: warning: conversion to 'Real {aka double}' from 'long unsigned int' may alter its value [-Wconversion]
             min_length += head_width * dot_count;
                                        ^~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/mensural-ligature.hh:25,
                 from mensural-ligature.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/mensural-ligature.hh:25,
                 from mensural-ligature.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/mensural-ligature.hh:25,
                 from mensural-ligature.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/mensural-ligature.hh:25,
                 from mensural-ligature.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/mensural-ligature.hh:25,
                 from mensural-ligature.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/midi-walker.dep; DEPENDENCIES_OUTPUT="./out/midi-walker.dep ./out/midi-walker.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/midi-walker.o midi-walker.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/mensural-ligature.hh:25,
                 from mensural-ligature.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/mensural-ligature.hh:25,
                 from mensural-ligature.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/mensural-ligature.hh:25,
                 from mensural-ligature.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/mensural-ligature.hh:25,
                 from mensural-ligature.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-chunk.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-chunk.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-chunk.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-chunk.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-chunk.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-chunk.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-chunk.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-chunk.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-chunk.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from metronome-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from metronome-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from metronome-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from metronome-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
midi-chunk.cc: In member function 'virtual std::__cxx11::string Midi_chunk::to_string() const':
midi-chunk.cc:203:51: warning: conversion to 'int' from 'std::__cxx11::basic_string<char>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   string length_string = String_convert::int2hex (dat.length ()
                                                   ~~~~~~~~~~~~~
                                                   + footer_string_.length (), 8, '0');
                                                   ^~~~~~~~~~~~~~~~~~~~~~~~~~
mensural-ligature.cc: In function 'Stencil internal_brew_primitive(Grob*)':
mensural-ligature.cc:166:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
       duration_log--;
       ~~~~~~~~~~~~^~
mensural-ligature.cc:167:5: note: here
     case MLP_LONGA:
     ^~~~
mensural-ligature.cc:168:19: warning: this statement may fall through [-Wimplicit-fallthrough=]
       duration_log--;
       ~~~~~~~~~~~~^~
mensural-ligature.cc:169:5: note: here
     case MLP_BREVIS:
     ^~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from midi-control-function-performer.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from midi-control-function-performer.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from midi-control-function-performer.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from midi-control-function-performer.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from midi-control-function-performer.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from midi-control-function-performer.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from midi-control-function-performer.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from midi-control-function-performer.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from midi-control-function-performer.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-item.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
midi-control-function-performer.cc: In member function 'void Midi_control_function_performer::announce_function_value_change(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
midi-control-function-performer.cc:80:8: note: in expansion of macro 'scm_is_symbol'
   if (!scm_is_symbol (sym))
        ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from ./include/midi-item.hh:23,
                 from midi-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/minimal-page-breaking.dep; DEPENDENCIES_OUTPUT="./out/minimal-page-breaking.dep ./out/minimal-page-breaking.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/minimal-page-breaking.o minimal-page-breaking.cc
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from metronome-engraver.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
midi-item.cc: In member function 'virtual std::__cxx11::string Midi_text::to_string() const':
midi-item.cc:358:62: warning: conversion to 'int' from 'std::__cxx11::basic_string<char>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   str += int2midi_varint_string (audio_->text_string_.length ());
                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from metronome-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from metronome-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from metronome-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from metronome-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/misc.dep; DEPENDENCIES_OUTPUT="./out/misc.dep ./out/misc.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/misc.o misc.cc
rm -f ./out/modified-font-metric.dep; DEPENDENCIES_OUTPUT="./out/modified-font-metric.dep ./out/modified-font-metric.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/modified-font-metric.o modified-font-metric.cc
rm -f ./out/module-scheme.dep; DEPENDENCIES_OUTPUT="./out/module-scheme.dep ./out/module-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/module-scheme.o module-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from midi-stream.cc:29:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from midi-stream.cc:29:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from midi-stream.cc:29:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from midi-stream.cc:29:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/moment-scheme.dep; DEPENDENCIES_OUTPUT="./out/moment-scheme.dep ./out/moment-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/moment-scheme.o moment-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from midi-stream.cc:29:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from midi-stream.cc:29:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from midi-stream.cc:29:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from midi-stream.cc:29:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from midi-stream.cc:29:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from midi-walker.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from midi-walker.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from midi-walker.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from midi-walker.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from midi-walker.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from midi-walker.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from midi-walker.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from midi-walker.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/midi-walker.hh:26,
                 from midi-walker.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/moment.dep; DEPENDENCIES_OUTPUT="./out/moment.dep ./out/moment.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/moment.o moment.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/ly-module.hh:23,
                 from module-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/ly-module.hh:23,
                 from module-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/ly-module.hh:23,
                 from module-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/ly-module.hh:23,
                 from module-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/minimal-page-breaking.hh:23,
                 from minimal-page-breaking.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/minimal-page-breaking.hh:23,
                 from minimal-page-breaking.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/minimal-page-breaking.hh:23,
                 from minimal-page-breaking.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/minimal-page-breaking.hh:23,
                 from minimal-page-breaking.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/minimal-page-breaking.hh:23,
                 from minimal-page-breaking.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/multi-measure-rest-engraver.dep; DEPENDENCIES_OUTPUT="./out/multi-measure-rest-engraver.dep ./out/multi-measure-rest-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/multi-measure-rest-engraver.o multi-measure-rest-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/minimal-page-breaking.hh:23,
                 from minimal-page-breaking.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/minimal-page-breaking.hh:23,
                 from minimal-page-breaking.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/minimal-page-breaking.hh:23,
                 from minimal-page-breaking.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/minimal-page-breaking.hh:23,
                 from minimal-page-breaking.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/ly-module.hh:23,
                 from module-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/ly-module.hh:23,
                 from module-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/ly-module.hh:23,
                 from module-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/ly-module.hh:23,
                 from module-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/ly-module.hh:23,
                 from module-scheme.cc:20:
module-scheme.cc: In function 'scm_unused_struct* ly_module_copy(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:122:5: note: in expansion of macro 'SCM_ASSERT_TYPE'
     SCM_ASSERT_TYPE (pred (var), var, pos, FUNC_NAME, msg); \
     ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:122:22: note: in expansion of macro 'SCM_MODULEP'
     SCM_ASSERT_TYPE (pred (var), var, pos, FUNC_NAME, msg); \
                      ^~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:126:3: note: in expansion of macro 'SCM_I_MAKE_VALIDATE_MSG2'
   SCM_I_MAKE_VALIDATE_MSG2 (pos, var, SCM_ ## pred, msg)
   ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:37:39: note: in expansion of macro 'SCM_MAKE_VALIDATE_MSG'
 #define SCM_VALIDATE_MODULE(pos, scm) SCM_MAKE_VALIDATE_MSG (pos, scm, MODULEP, "module")
                                       ^~~~~~~~~~~~~~~~~~~~~
module-scheme.cc:47:3: note: in expansion of macro 'SCM_VALIDATE_MODULE'
   SCM_VALIDATE_MODULE (1, src);
   ^~~~~~~~~~~~~~~~~~~
module-scheme.cc: In function 'scm_unused_struct* ly_module_lookup(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:122:5: note: in expansion of macro 'SCM_ASSERT_TYPE'
     SCM_ASSERT_TYPE (pred (var), var, pos, FUNC_NAME, msg); \
     ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:122:22: note: in expansion of macro 'SCM_MODULEP'
     SCM_ASSERT_TYPE (pred (var), var, pos, FUNC_NAME, msg); \
                      ^~~~
/usr/pkg/guile/1.8/include/libguile/validate.h:126:3: note: in expansion of macro 'SCM_I_MAKE_VALIDATE_MSG2'
   SCM_I_MAKE_VALIDATE_MSG2 (pos, var, SCM_ ## pred, msg)
   ^~~~~~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:37:39: note: in expansion of macro 'SCM_MAKE_VALIDATE_MSG'
 #define SCM_VALIDATE_MODULE(pos, scm) SCM_MAKE_VALIDATE_MSG (pos, scm, MODULEP, "module")
                                       ^~~~~~~~~~~~~~~~~~~~~
module-scheme.cc:66:3: note: in expansion of macro 'SCM_VALIDATE_MODULE'
   SCM_VALIDATE_MODULE (1, module);
   ^~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/ly-module.hh:23,
                 from module-scheme.cc:20:
module-scheme.cc: In function 'scm_unused_struct* ly_modules_lookup(SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/variable.h:32:48: note: in expansion of macro 'SCM_TYP7'
 #define SCM_VARIABLEP(X)      (!SCM_IMP (X) && SCM_TYP7(X) == scm_tc7_variable)
                                                ^~~~~~~~
module-scheme.cc:95:11: note: in expansion of macro 'SCM_VARIABLEP'
       if (SCM_VARIABLEP (v) && SCM_VARIABLE_REF (v) != SCM_UNDEFINED)
           ^~~~~~~~~~~~~
rm -f ./out/multi-measure-rest.dep; DEPENDENCIES_OUTPUT="./out/multi-measure-rest.dep ./out/multi-measure-rest.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/multi-measure-rest.o multi-measure-rest.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from modified-font-metric.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from modified-font-metric.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from modified-font-metric.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from modified-font-metric.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from modified-font-metric.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment-scheme.cc:20:
moment-scheme.cc: In function 'scm_unused_struct* ly_make_moment(SCM, SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
moment-scheme.cc:42:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP (g))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
moment-scheme.cc:45:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP (gn))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
moment-scheme.cc:48:11: note: in expansion of macro 'scm_is_true'
       if (scm_is_true (scm_positive_p (g)))
           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
moment-scheme.cc:64:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (gd))
        ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from modified-font-metric.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from modified-font-metric.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from modified-font-metric.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from modified-font-metric.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/music-function-scheme.dep; DEPENDENCIES_OUTPUT="./out/music-function-scheme.dep ./out/music-function-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/music-function-scheme.o music-function-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from moment.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
moment.cc: In static member function 'static scm_unused_struct* Moment::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
moment.cc:48:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Moment);
 ^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/music-function.dep; DEPENDENCIES_OUTPUT="./out/music-function.dep ./out/music-function.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/music-function.o music-function.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/music-iterator.dep; DEPENDENCIES_OUTPUT="./out/music-iterator.dep ./out/music-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/music-iterator.o music-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/music-output.dep; DEPENDENCIES_OUTPUT="./out/music-output.dep ./out/music-output.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/music-output.o music-output.cc
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function-scheme.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function-scheme.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function-scheme.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function-scheme.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/music-scheme.dep; DEPENDENCIES_OUTPUT="./out/music-scheme.dep ./out/music-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/music-scheme.o music-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/multi-measure-rest.hh:23,
                 from multi-measure-rest.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function-scheme.cc:1:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function-scheme.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function-scheme.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function-scheme.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function-scheme.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function-scheme.cc:1:
music-function-scheme.cc: In function 'scm_unused_struct* ly_make_music_function(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
music-function-scheme.cc:44:11: note: in expansion of macro 'scm_is_false'
       if (scm_is_false (scm_procedure_p (proc)))
           ^~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-iterator.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-iterator.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-iterator.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-iterator.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from music-output.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from music-output.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from music-output.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-iterator.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from music-output.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from music-output.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-function.hh:23,
                 from music-function.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
music-function.cc: In static member function 'static Musicfunction* Musicfunction::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
music-function.cc:27:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Musicfunction);
   ^~~~~~~~~~~~~~~~~~~~
music-function.cc: In static member function 'static scm_unused_struct* Musicfunction::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
music-function.cc:37:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Musicfunction);
 ^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-iterator.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-iterator.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-iterator.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-iterator.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from music-output.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from music-output.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from music-output.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from music-output.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
music-output.cc: In static member function 'static scm_unused_struct* Music_output::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
music-output.cc:43:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Music_output);
 ^~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
music-iterator.cc: In static member function 'static scm_unused_struct* Music_iterator::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
music-iterator.cc:197:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Music_iterator);
 ^~~~~~~~~~~~~~~
rm -f ./out/music-sequence.dep; DEPENDENCIES_OUTPUT="./out/music-sequence.dep ./out/music-sequence.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/music-sequence.o music-sequence.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/music-wrapper-iterator.dep; DEPENDENCIES_OUTPUT="./out/music-wrapper-iterator.dep ./out/music-wrapper-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/music-wrapper-iterator.o music-wrapper-iterator.cc
rm -f ./out/music-wrapper.dep; DEPENDENCIES_OUTPUT="./out/music-wrapper.dep ./out/music-wrapper.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/music-wrapper.o music-wrapper.cc
rm -f ./out/music.dep; DEPENDENCIES_OUTPUT="./out/music.dep ./out/music.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/music.o music.cc
rm -f ./out/nested-property.dep; DEPENDENCIES_OUTPUT="./out/nested-property.dep ./out/nested-property.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/nested-property.o nested-property.cc
rm -f ./out/new-fingering-engraver.dep; DEPENDENCIES_OUTPUT="./out/new-fingering-engraver.dep ./out/new-fingering-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/new-fingering-engraver.o new-fingering-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-wrapper.hh:23,
                 from music-wrapper.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-wrapper.hh:23,
                 from music-wrapper.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-wrapper.hh:23,
                 from music-wrapper.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-wrapper.hh:23,
                 from music-wrapper.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from nested-property.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from nested-property.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from nested-property.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from nested-property.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/music-sequence.hh:23,
                 from music-sequence.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/music-sequence.hh:23,
                 from music-sequence.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/music-sequence.hh:23,
                 from music-sequence.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/music-sequence.hh:23,
                 from music-sequence.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/music-sequence.hh:23,
                 from music-sequence.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/music-sequence.hh:23,
                 from music-sequence.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/music-sequence.hh:23,
                 from music-sequence.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/music-sequence.hh:23,
                 from music-sequence.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/music-sequence.hh:23,
                 from music-sequence.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/note-collision.dep; DEPENDENCIES_OUTPUT="./out/note-collision.dep ./out/note-collision.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-collision.o note-collision.cc
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/note-column-scheme.dep; DEPENDENCIES_OUTPUT="./out/note-column-scheme.dep ./out/note-column-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-column-scheme.o note-column-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-wrapper.hh:23,
                 from music-wrapper.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from nested-property.cc:1:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from music-wrapper-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from music-wrapper-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from music-wrapper-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from music-wrapper-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-wrapper.hh:23,
                 from music-wrapper.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-wrapper.hh:23,
                 from music-wrapper.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-wrapper.hh:23,
                 from music-wrapper.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/music-wrapper.hh:23,
                 from music-wrapper.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from music-wrapper-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from music-wrapper-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from music-wrapper-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from music-wrapper-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from music-wrapper-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from nested-property.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from nested-property.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from nested-property.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from new-fingering-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from nested-property.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from new-fingering-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from new-fingering-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from new-fingering-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/score.hh: In static member function 'static Score* Score::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/score.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Score);
   ^~~~~~~~~~~~~
rm -f ./out/note-column.dep; DEPENDENCIES_OUTPUT="./out/note-column.dep ./out/note-column.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-column.o note-column.cc
rm -f ./out/note-head-line-engraver.dep; DEPENDENCIES_OUTPUT="./out/note-head-line-engraver.dep ./out/note-head-line-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-head-line-engraver.o note-head-line-engraver.cc
rm -f ./out/note-head-scheme.dep; DEPENDENCIES_OUTPUT="./out/note-head-scheme.dep ./out/note-head-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-head-scheme.o note-head-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/note-head.dep; DEPENDENCIES_OUTPUT="./out/note-head.dep ./out/note-head.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-head.o note-head.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-collision.hh:24,
                 from note-collision.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-collision.hh:24,
                 from note-collision.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-collision.hh:24,
                 from note-collision.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-collision.hh:24,
                 from note-collision.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-collision.hh:24,
                 from note-collision.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-collision.hh:24,
                 from note-collision.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-collision.hh:24,
                 from note-collision.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-collision.hh:24,
                 from note-collision.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-collision.hh:24,
                 from note-collision.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from new-fingering-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/note-heads-engraver.dep; DEPENDENCIES_OUTPUT="./out/note-heads-engraver.dep ./out/note-heads-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-heads-engraver.o note-heads-engraver.cc
note-collision.cc: In static member function 'static scm_unused_struct* Note_collision_interface::automatic_shift(Grob*, Drul_array<std::vector<Grob*> >)':
note-collision.cc:513:43: warning: conversion to 'double' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           offsets[d].push_back (d * 0.5 * i);
                                           ^
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-head-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-head-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-head-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-head-line-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from new-fingering-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from new-fingering-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from new-fingering-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from new-fingering-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/note-name-engraver.dep; DEPENDENCIES_OUTPUT="./out/note-name-engraver.dep ./out/note-name-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-name-engraver.o note-name-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-column.hh:23,
                 from note-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-heads-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-heads-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-heads-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-heads-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
new-fingering-engraver.cc: In member function 'void New_fingering_engraver::position_scripts(SCM, std::vector<Finger_tuple>*)':
new-fingering-engraver.cc:256:37: warning: conversion to 'int' from 'std::vector<Finger_tuple>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
       int center = scripts->size () / 2;
                    ~~~~~~~~~~~~~~~~~^~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-head-line-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-head-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-head-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-head-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-head-line-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-heads-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
rm -f ./out/note-performer.dep; DEPENDENCIES_OUTPUT="./out/note-performer.dep ./out/note-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-performer.o note-performer.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-name-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/note-head.hh:23,
                 from note-head.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/note-spacing-engraver.dep; DEPENDENCIES_OUTPUT="./out/note-spacing-engraver.dep ./out/note-spacing-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-spacing-engraver.o note-spacing-engraver.cc
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-heads-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-heads-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-heads-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-heads-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
note-head.cc: In static member function 'static Offset Note_head::get_stem_attachment(Font_metric*, const string&)':
note-head.cc:169:29: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
   int k = fm->name_to_index (key);
           ~~~~~~~~~~~~~~~~~~^~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
note-heads-engraver.cc: In member function 'void Note_heads_engraver::process_music()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
note-heads-engraver.cc:110:18: note: in expansion of macro 'scm_is_symbol'
               && scm_is_symbol (scm_vector_ref (shape_vector, scm_from_int (delta))))
                  ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
note-heads-engraver.cc:112:15: note: in expansion of macro 'scm_is_symbol'
           if (scm_is_symbol (style))
               ^~~~~~~~~~~~~
rm -f ./out/note-spacing.dep; DEPENDENCIES_OUTPUT="./out/note-spacing.dep ./out/note-spacing.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/note-spacing.o note-spacing.cc
rm -f ./out/one-line-page-breaking.dep; DEPENDENCIES_OUTPUT="./out/one-line-page-breaking.dep ./out/one-line-page-breaking.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/one-line-page-breaking.o one-line-page-breaking.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-spacing-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-spacing-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-spacing-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-spacing-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-spacing-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-name-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-spacing-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-spacing-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-spacing-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from note-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-spacing-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from note-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from note-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from note-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from note-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from note-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from note-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from note-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from note-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from note-name-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
rm -f ./out/open-type-font-scheme.dep; DEPENDENCIES_OUTPUT="./out/open-type-font-scheme.dep ./out/open-type-font-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/open-type-font-scheme.o open-type-font-scheme.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/one-line-page-breaking.hh:23,
                 from one-line-page-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/one-line-page-breaking.hh:23,
                 from one-line-page-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/one-line-page-breaking.hh:23,
                 from one-line-page-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/one-line-page-breaking.hh:23,
                 from one-line-page-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-spacing.hh:23,
                 from note-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-spacing.hh:23,
                 from note-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-spacing.hh:23,
                 from note-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-spacing.hh:23,
                 from note-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/open-type-font.dep; DEPENDENCIES_OUTPUT="./out/open-type-font.dep ./out/open-type-font.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/open-type-font.o open-type-font.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/one-line-page-breaking.hh:23,
                 from one-line-page-breaking.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-spacing.hh:23,
                 from note-spacing.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/optimal-page-breaking.dep; DEPENDENCIES_OUTPUT="./out/optimal-page-breaking.dep ./out/optimal-page-breaking.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/optimal-page-breaking.o optimal-page-breaking.cc
rm -f ./out/ottava-bracket.dep; DEPENDENCIES_OUTPUT="./out/ottava-bracket.dep ./out/ottava-bracket.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/ottava-bracket.o ottava-bracket.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-spacing.hh:23,
                 from note-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-spacing.hh:23,
                 from note-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-spacing.hh:23,
                 from note-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/note-spacing.hh:23,
                 from note-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/ottava-engraver.dep; DEPENDENCIES_OUTPUT="./out/ottava-engraver.dep ./out/ottava-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/ottava-engraver.o ottava-engraver.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from open-type-font-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from open-type-font-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from open-type-font-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from open-type-font-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from open-type-font-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/one-line-page-breaking.hh:23,
                 from one-line-page-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/one-line-page-breaking.hh:23,
                 from one-line-page-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/one-line-page-breaking.hh:23,
                 from one-line-page-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/one-line-page-breaking.hh:23,
                 from one-line-page-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/output-def-scheme.dep; DEPENDENCIES_OUTPUT="./out/output-def-scheme.dep ./out/output-def-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/output-def-scheme.o output-def-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from open-type-font-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from open-type-font-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from open-type-font-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/modified-font-metric.hh:23,
                 from open-type-font-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/open-type-font.hh:23,
                 from open-type-font.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/open-type-font.hh:23,
                 from open-type-font.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/open-type-font.hh:23,
                 from open-type-font.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/open-type-font.hh:23,
                 from open-type-font.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/open-type-font.hh:23,
                 from open-type-font.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/optimal-page-breaking.hh:23,
                 from optimal-page-breaking.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/optimal-page-breaking.hh:23,
                 from optimal-page-breaking.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/optimal-page-breaking.hh:23,
                 from optimal-page-breaking.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/optimal-page-breaking.hh:23,
                 from optimal-page-breaking.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/optimal-page-breaking.hh:23,
                 from optimal-page-breaking.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ottava-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ottava-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ottava-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ottava-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/open-type-font.hh:23,
                 from open-type-font.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/open-type-font.hh:23,
                 from open-type-font.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/open-type-font.hh:23,
                 from open-type-font.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/open-type-font.hh:23,
                 from open-type-font.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/optimal-page-breaking.hh:23,
                 from optimal-page-breaking.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/optimal-page-breaking.hh:23,
                 from optimal-page-breaking.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/optimal-page-breaking.hh:23,
                 from optimal-page-breaking.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/optimal-page-breaking.hh:23,
                 from optimal-page-breaking.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
open-type-font.cc: In member function 'virtual Box Open_type_font::get_indexed_char_dimensions(size_t) const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:482:34: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP16(x)   (0xffff & SCM_CELL_TYPE (x))
                                  ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:483:54: note: in expansion of macro 'SCM_TYP16'
 #define SCM_TYP16_PREDICATE(tag, x) (!SCM_IMP (x) && SCM_TYP16 (x) == (tag))
                                                      ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/smob.h:107:38: note: in expansion of macro 'SCM_TYP16_PREDICATE'
 #define SCM_SMOB_PREDICATE(tag, obj) SCM_TYP16_PREDICATE (tag, obj)
                                      ^~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/hashtab.h:36:31: note: in expansion of macro 'SCM_SMOB_PREDICATE'
 #define SCM_HASHTABLE_P(x)    SCM_SMOB_PREDICATE (scm_tc16_hashtable, x)
                               ^~~~~~~~~~~~~~~~~~
open-type-font.cc:173:7: note: in expansion of macro 'SCM_HASHTABLE_P'
   if (SCM_HASHTABLE_P (lily_index_to_bbox_table_))
       ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:482:34: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP16(x)   (0xffff & SCM_CELL_TYPE (x))
                                  ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:483:54: note: in expansion of macro 'SCM_TYP16'
 #define SCM_TYP16_PREDICATE(tag, x) (!SCM_IMP (x) && SCM_TYP16 (x) == (tag))
                                                      ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/smob.h:107:38: note: in expansion of macro 'SCM_TYP16_PREDICATE'
 #define SCM_SMOB_PREDICATE(tag, obj) SCM_TYP16_PREDICATE (tag, obj)
                                      ^~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/hashtab.h:36:31: note: in expansion of macro 'SCM_SMOB_PREDICATE'
 #define SCM_HASHTABLE_P(x)    SCM_SMOB_PREDICATE (scm_tc16_hashtable, x)
                               ^~~~~~~~~~~~~~~~~~
open-type-font.cc:182:7: note: in expansion of macro 'SCM_HASHTABLE_P'
   if (SCM_HASHTABLE_P (lily_character_table_))
       ^~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from ottava-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from ottava-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from ottava-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from ottava-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from ottava-bracket.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from ottava-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from ottava-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from ottava-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from ottava-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/output-def.dep; DEPENDENCIES_OUTPUT="./out/output-def.dep ./out/output-def.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/output-def.o output-def.cc
rm -f ./out/output-property-engraver.dep; DEPENDENCIES_OUTPUT="./out/output-property-engraver.dep ./out/output-property-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/output-property-engraver.o output-property-engraver.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/page-breaking-scheme.dep; DEPENDENCIES_OUTPUT="./out/page-breaking-scheme.dep ./out/page-breaking-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/page-breaking-scheme.o page-breaking-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ottava-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/page-breaking.dep; DEPENDENCIES_OUTPUT="./out/page-breaking.dep ./out/page-breaking.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/page-breaking.o page-breaking.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ottava-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ottava-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ottava-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ottava-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from output-property-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from output-property-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from output-property-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from output-property-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/page-layout-problem-scheme.dep; DEPENDENCIES_OUTPUT="./out/page-layout-problem-scheme.dep ./out/page-layout-problem-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/page-layout-problem-scheme.o page-layout-problem-scheme.cc
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
rm -f ./out/page-layout-problem.dep; DEPENDENCIES_OUTPUT="./out/page-layout-problem.dep ./out/page-layout-problem.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/page-layout-problem.o page-layout-problem.cc
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-parser.hh: In static member function 'static Lily_parser* Lily_parser::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-parser.hh:35:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_parser);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def-scheme.cc:20:
output-def-scheme.cc: In function 'scm_unused_struct* ly_output_find_context_def(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
output-def-scheme.cc:116:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (context_name))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
output-def-scheme.cc:127:17: note: in expansion of macro 'scm_is_eq'
       if (td && scm_is_eq (scm_car (p), td->get_context_name ())
                 ^~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from output-property-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from page-breaking.cc:130:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from page-breaking.cc:130:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from page-breaking.cc:130:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from page-breaking.cc:130:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/page-marker-scheme.dep; DEPENDENCIES_OUTPUT="./out/page-marker-scheme.dep ./out/page-marker-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/page-marker-scheme.o page-marker-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from output-property-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from output-property-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from output-property-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from output-property-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from output-def.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from page-breaking-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from page-breaking-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from page-breaking-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from page-breaking-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
output-def.cc: In static member function 'static scm_unused_struct* Output_def::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
output-def.cc:64:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Output_def);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from page-breaking-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from page-breaking-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
output-def.cc: In member function 'scm_unused_struct* Output_def::lookup_variable(SCM) const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/variable.h:32:48: note: in expansion of macro 'SCM_TYP7'
 #define SCM_VARIABLEP(X)      (!SCM_IMP (X) && SCM_TYP7(X) == scm_tc7_variable)
                                                ^~~~~~~~
output-def.cc:122:7: note: in expansion of macro 'SCM_VARIABLEP'
   if (SCM_VARIABLEP (var) && SCM_VARIABLE_REF (var) != SCM_UNDEFINED)
       ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from page-breaking-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from page-breaking-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from page-breaking-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from page-breaking.cc:130:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from page-layout-problem-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from page-layout-problem-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from page-layout-problem-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from page-layout-problem-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from page-breaking.cc:130:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from page-breaking.cc:130:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from page-breaking.cc:130:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from page-breaking.cc:130:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/page-marker.dep; DEPENDENCIES_OUTPUT="./out/page-marker.dep ./out/page-marker.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/page-marker.o page-marker.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
page-breaking.cc: In function 'std::vector<Line_details> compress_lines(const std::vector<Line_details>&)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
page-breaking.cc:154:27: note: in expansion of macro 'scm_is_symbol'
       if (ret.size () && !scm_is_symbol (ret.back ().page_permission_))
                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from page-breaking.cc:130:
page-breaking.cc: In member function 'scm_unused_struct* Page_breaking::make_pages(std::vector<long unsigned int>, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
page-breaking.cc:589:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (systems))
       ^~~~~~~~~~~
page-breaking.cc:614:24: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       int page_num = i + first_page_number;
                      ~~^~~~~~~~~~~~~~~~~~~
page-breaking.cc:617:55: warning: conversion to 'scm_t_int32 {aka int}' from '__gnu_cxx::__alloc_traits<std::allocator<long unsigned int> >::value_type {aka long unsigned int}' may alter its value [-Wconversion]
       SCM line_count = scm_from_int (lines_per_page[i]);
                                                       ^
page-breaking.cc:619:62: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       int fn_lines = Page_layout_problem::get_footnote_count (lines);
                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
page-breaking.cc:620:87: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       Page_layout_problem::add_footnotes_to_lines (lines, reset_footnotes_on_new_page ? 0 : footnote_count, book_);
                                                           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
page-breaking.cc:648:61: warning: conversion to 'int' from 'std::vector<long unsigned int>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int page_num = first_page_number + lines_per_page.size () - 1;
                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
page-breaking.cc: In member function 'void Page_breaking::find_chunks_and_breaks(Page_breaking::Break_predicate, Page_breaking::Prob_break_predicate)':
page-breaking.cc:776:68: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                 cur_pos.forced_line_count_ = forced_line_break_idx - last_forced_line_break_idx;
                                              ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
page-breaking.cc:783:48: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   last_forced_line_break_idx = forced_line_break_idx;
                                                ^~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from ./include/simple-spacer.hh:25,
                 from ./include/page-layout-problem.hh:23,
                 from page-layout-problem.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from ./include/simple-spacer.hh:25,
                 from ./include/page-layout-problem.hh:23,
                 from page-layout-problem.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from ./include/simple-spacer.hh:25,
                 from ./include/page-layout-problem.hh:23,
                 from page-layout-problem.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from ./include/simple-spacer.hh:25,
                 from ./include/page-layout-problem.hh:23,
                 from page-layout-problem.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from page-layout-problem-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from ./include/simple-spacer.hh:25,
                 from ./include/page-layout-problem.hh:23,
                 from page-layout-problem.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from ./include/simple-spacer.hh:25,
                 from ./include/page-layout-problem.hh:23,
                 from page-layout-problem.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from ./include/simple-spacer.hh:25,
                 from ./include/page-layout-problem.hh:23,
                 from page-layout-problem.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from ./include/simple-spacer.hh:25,
                 from ./include/page-layout-problem.hh:23,
                 from page-layout-problem.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from ./include/simple-spacer.hh:25,
                 from ./include/page-layout-problem.hh:23,
                 from page-layout-problem.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
page-breaking.cc: In member function 'void Page_breaking::line_divisions_rec(vsize, const Line_division&, const Line_division&, Page_breaking::Line_division*)':
page-breaking.cc:1028:30: warning: conversion to 'int' from '__gnu_cxx::__alloc_traits<std::allocator<long unsigned int> >::value_type {aka long unsigned int}' may alter its value [-Wconversion]
       others_min += min_sys[i];
                              ^
page-breaking.cc:1029:30: warning: conversion to 'int' from '__gnu_cxx::__alloc_traits<std::allocator<long unsigned int> >::value_type {aka long unsigned int}' may alter its value [-Wconversion]
       others_max += max_sys[i];
                              ^
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
page-breaking.cc: In member function 'vsize Page_breaking::min_page_count(vsize, vsize)':
page-breaking.cc:1109:60: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   Real cur_page_height = page_height (first_page_num, false);
                                                            ^
page-breaking.cc:1143:57: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           cur_page_height = page_height (first_page_num + ret, false);
                                          ~~~~~~~~~~~~~~~^~~~~
page-breaking.cc:1171:59: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       cur_page_height = page_height (first_page_num + ret - 1, true);
                                      ~~~~~~~~~~~~~~~~~~~~~^~~
page-breaking.cc: In member function 'Page_spacing_result Page_breaking::space_systems_on_n_pages(vsize, vsize, vsize)':
page-breaking.cc:1210:75: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                                    page_height (first_page_num, is_last ()),
                                                                           ^
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
page-breaking.cc: In member function 'Page_spacing_result Page_breaking::space_systems_on_n_or_one_more_pages(vsize, vsize, vsize, Real)':
page-breaking.cc:1268:60: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       Real height = page_height (first_page_num, is_last ());
                                                            ^
page-breaking.cc: In member function 'Page_spacing_result Page_breaking::space_systems_with_fixed_number_per_page(vsize, vsize)':
page-breaking.cc:1314:57: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   Page_spacing space (page_height (first_page_num, false), this);
                                                         ^
page-breaking.cc:1324:49: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       space.resize (page_height (first_page_num + page, false));
                                  ~~~~~~~~~~~~~~~^~~~~~
page-breaking.cc:1355:45: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   space.resize (page_height (first_page_num + page, true));
                              ~~~~~~~~~~~~~~~^~~~~~
page-breaking.cc: In member function 'Page_spacing_result Page_breaking::pack_systems_on_least_pages(vsize, vsize)':
page-breaking.cc:1367:57: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   Page_spacing space (page_height (first_page_num, false), this);
                                                         ^
page-breaking.cc:1383:53: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           space.resize (page_height (first_page_num + page, false));
                                      ~~~~~~~~~~~~~~~^~~~~~
page-breaking.cc:1395:53: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           space.resize (page_height (first_page_num + page, true));
                                      ~~~~~~~~~~~~~~~^~~~~~
page-breaking.cc:1401:64: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
               space.resize (page_height (first_page_num + page + 1, true));
                                          ~~~~~~~~~~~~~~~~~~~~~~^~~
page-breaking.cc: In member function 'Page_spacing_result Page_breaking::space_systems_on_2_pages(vsize, vsize)':
page-breaking.cc:1493:57: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   Real page1_height = page_height (first_page_num, false);
                                                         ^
page-breaking.cc:1494:51: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   Real page2_height = page_height (first_page_num + 1, is_last ());
                                    ~~~~~~~~~~~~~~~^~~
rm -f ./out/page-spacing-result.dep; DEPENDENCIES_OUTPUT="./out/page-spacing-result.dep ./out/page-spacing-result.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/page-spacing-result.o page-spacing-result.cc
rm -f ./out/page-spacing.dep; DEPENDENCIES_OUTPUT="./out/page-spacing.dep ./out/page-spacing.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/page-spacing.o page-spacing.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/page-turn-engraver.dep; DEPENDENCIES_OUTPUT="./out/page-turn-engraver.dep ./out/page-turn-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/page-turn-engraver.o page-turn-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from page-layout-problem-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from page-layout-problem-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from page-layout-problem-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from page-layout-problem-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from ./include/simple-spacer.hh:25,
                 from ./include/page-layout-problem.hh:23,
                 from page-layout-problem.cc:20:
page-layout-problem.cc: In static member function 'static scm_unused_struct* Page_layout_problem::get_footnotes_from_lines(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
page-layout-problem.cc:86:24: note: in expansion of macro 'scm_is_null'
     footnotes_added = !scm_is_null (g->get_property ("footnote-stencil"));
                        ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
page-layout-problem.cc:88:24: note: in expansion of macro 'scm_is_null'
     footnotes_added = !scm_is_null (p->get_property ("footnote-stencil"));
                        ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
page-layout-problem.cc: In member function 'void Page_layout_problem::solve_rod_spring_problem(bool, Real)':
page-layout-problem.cc:738:60: warning: conversion to 'Real {aka double}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           Real spacing_increment = overflow / (space_count - 2);
                                               ~~~~~~~~~~~~~^~~~
page-layout-problem.cc:740:32: warning: conversion to 'Real {aka double}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
             solution_[i] -= (i - 1) * spacing_increment;
                             ~~~^~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/page-marker.hh: In static member function 'static Page_marker* Page_marker::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/page-marker.hh:28:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Page_marker);
   ^~~~~~~~~~~~~
rm -f ./out/page-turn-page-breaking.dep; DEPENDENCIES_OUTPUT="./out/page-turn-page-breaking.dep ./out/page-turn-page-breaking.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/page-turn-page-breaking.o page-turn-page-breaking.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-spacing.hh:23,
                 from page-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-spacing.hh:23,
                 from page-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-spacing.hh:23,
                 from page-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-spacing.hh:23,
                 from page-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/pango-font-scheme.dep; DEPENDENCIES_OUTPUT="./out/pango-font-scheme.dep ./out/pango-font-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pango-font-scheme.o pango-font-scheme.cc
rm -f ./out/pango-font.dep; DEPENDENCIES_OUTPUT="./out/pango-font.dep ./out/pango-font.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pango-font.o pango-font.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from page-turn-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from page-turn-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from page-turn-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from page-turn-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/page-marker.hh:23,
                 from page-marker.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/page-marker.hh: In static member function 'static Page_marker* Page_marker::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/page-marker.hh:28:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Page_marker);
   ^~~~~~~~~~~~~
page-marker.cc: In static member function 'static scm_unused_struct* Page_marker::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
page-marker.cc:43:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Page_marker);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/page-turn-page-breaking.hh:23,
                 from page-turn-page-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-spacing.hh:23,
                 from page-spacing.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/page-turn-page-breaking.hh:23,
                 from page-turn-page-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/page-turn-page-breaking.hh:23,
                 from page-turn-page-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/page-turn-page-breaking.hh:23,
                 from page-turn-page-breaking.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/pango-select-scheme.dep; DEPENDENCIES_OUTPUT="./out/pango-select-scheme.dep ./out/pango-select-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pango-select-scheme.o pango-select-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from page-turn-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-spacing.hh:23,
                 from page-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-spacing.hh:23,
                 from page-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
page-spacing-result.cc: In member function 'Real Page_spacing_result::average_force() const':
page-spacing-result.cc:44:32: warning: conversion to 'Real {aka double}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   average_force /= page_count ();
                                ^
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-spacing.hh:23,
                 from page-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-spacing.hh:23,
                 from page-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
page-spacing.cc: In member function 'bool Page_spacer::calc_subproblem(vsize, vsize)':
page-spacing.cc:306:55: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   Page_spacing space (breaker_->page_height (page_num + first_page_num_, last),
                                              ~~~~~~~~~^~~~~~~~~~~~~~~~~
page-spacing.cc:321:64: warning: conversion to 'int' from 'long unsigned int' may alter its value [-Wconversion]
               space.resize (breaker_->page_height (prev->page_ + 1, last));
                                                    ~~~~~~~~~~~~^~~
page-spacing.cc:324:50: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
             space.resize (breaker_->page_height (first_page_num_, last));
                                                  ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from page-turn-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from page-turn-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from page-turn-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from page-turn-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/page-turn-page-breaking.hh:23,
                 from page-turn-page-breaking.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
rm -f ./out/pango-select.dep; DEPENDENCIES_OUTPUT="./out/pango-select.dep ./out/pango-select.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pango-select.o pango-select.cc
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/page-turn-page-breaking.hh:23,
                 from page-turn-page-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/page-turn-page-breaking.hh:23,
                 from page-turn-page-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/page-turn-page-breaking.hh:23,
                 from page-turn-page-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/page-turn-page-breaking.hh:23,
                 from page-turn-page-breaking.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
page-turn-page-breaking.cc: In member function 'Page_turn_page_breaking::Break_node Page_turn_page_breaking::put_systems_on_pages(vsize, vsize, vsize, vsize)':
page-turn-page-breaking.cc:103:28: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   ret.first_page_number_ = page_number;
                            ^~~~~~~~~~~
page-turn-page-breaking.cc:105:28: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
     ret.first_page_number_ += 1 - (ret.page_count_ % 2);
     ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
page-turn-page-breaking.cc: In member function 'void Page_turn_page_breaking::calc_subproblem(vsize)':
page-turn-page-breaking.cc:154:56: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           p_num = state_[start - 1].first_page_number_ + state_[start - 1].page_count_;
page-turn-page-breaking.cc: In member function 'virtual scm_unused_struct* Page_turn_page_breaking::solve()':
page-turn-page-breaking.cc:240:26: warning: conversion to 'int' from 'std::vector<Page_turn_page_breaking::Break_node>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int i = state_.size () - 1;
           ~~~~~~~~~~~~~~~^~~
page-turn-page-breaking.cc:244:21: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       i = state_[i].prev_;
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/constrained-breaking.hh:23,
                 from ./include/page-breaking.hh:23,
                 from ./include/page-turn-page-breaking.hh:23,
                 from page-turn-page-breaking.cc:20:
page-turn-page-breaking.cc: In member function 'scm_unused_struct* Page_turn_page_breaking::make_pages(const std::vector<Page_turn_page_breaking::Break_node>&, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
page-turn-page-breaking.cc:272:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (systems))
       ^~~~~~~~~~~
page-turn-page-breaking.cc: In member function 'void Page_turn_page_breaking::print_break_node(const Page_turn_page_breaking::Break_node&)':
page-turn-page-breaking.cc:298:41: warning: conversion to 'int' from '__gnu_cxx::__alloc_traits<std::allocator<long unsigned int> >::value_type {aka long unsigned int}' may alter its value [-Wconversion]
     system_count += node.system_count_[i];
                                         ^
page-turn-page-breaking.cc: In instantiation of 'bool is_break(T*) [with T = Grob]':
page-turn-page-breaking.cc:50:54:   required from here
page-turn-page-breaking.cc:38:3: warning: operation on '*0' may be undefined [-Wsequence-point]
   if (turnable
   ^~
page-turn-page-breaking.cc: In instantiation of 'bool is_break(T*) [with T = Prob]':
page-turn-page-breaking.cc:50:54:   required from here
page-turn-page-breaking.cc:38:3: warning: operation on '*0' may be undefined [-Wsequence-point]
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from pango-font.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from pango-font.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from pango-font.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from pango-font.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from pango-font.cc:25:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from pango-font.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from pango-font.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from pango-font.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from pango-font.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/pango-font.hh:30,
                 from pango-select-scheme.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/pango-font.hh:30,
                 from pango-select-scheme.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/pango-font.hh:30,
                 from pango-select-scheme.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/pango-font.hh:30,
                 from pango-select-scheme.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/pango-font.hh:30,
                 from pango-select-scheme.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
pango-font.cc: In member function 'virtual size_t Pango_font::name_to_index(std::__cxx11::string) const':
pango-font.cc:99:49: warning: 'FT_FaceRec_* pango_fc_font_lock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
   FT_Face face = pango_fc_font_lock_face (fcfont);
                                                 ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:113:12: note: declared here
 FT_Face    pango_fc_font_lock_face         (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~
pango-font.cc:103:40: warning: 'void pango_fc_font_unlock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
       pango_fc_font_unlock_face (fcfont);
                                        ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:115:12: note: declared here
 void       pango_fc_font_unlock_face       (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~~~
pango-font.cc:107:36: warning: 'void pango_fc_font_unlock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
   pango_fc_font_unlock_face (fcfont);
                                    ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:115:12: note: declared here
 void       pango_fc_font_unlock_face       (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~~~
pango-font.cc: In member function 'Box Pango_font::get_unscaled_indexed_char_dimensions(size_t) const':
pango-font.cc:138:49: warning: 'FT_FaceRec_* pango_fc_font_lock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
   FT_Face face = pango_fc_font_lock_face (fcfont);
                                                 ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:113:12: note: declared here
 FT_Face    pango_fc_font_lock_face         (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~
pango-font.cc:140:36: warning: 'void pango_fc_font_unlock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
   pango_fc_font_unlock_face (fcfont);
                                    ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:115:12: note: declared here
 void       pango_fc_font_unlock_face       (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~~~
pango-font.cc: In member function 'Box Pango_font::get_scaled_indexed_char_dimensions(size_t) const':
pango-font.cc:150:75: warning: conversion to 'PangoGlyph {aka unsigned int}' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
   pango_font_get_glyph_extents (font, signed_idx, &ink_rect, &logical_rect);
                                                                           ^
pango-font.cc: In member function 'Box Pango_font::get_glyph_outline_bbox(size_t) const':
pango-font.cc:163:49: warning: 'FT_FaceRec_* pango_fc_font_lock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
   FT_Face face = pango_fc_font_lock_face (fcfont);
                                                 ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:113:12: note: declared here
 FT_Face    pango_fc_font_lock_face         (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~
pango-font.cc:165:36: warning: 'void pango_fc_font_unlock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
   pango_fc_font_unlock_face (fcfont);
                                    ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:115:12: note: declared here
 void       pango_fc_font_unlock_face       (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~~~
pango-font.cc: In member function 'scm_unused_struct* Pango_font::get_glyph_outline(size_t) const':
pango-font.cc:173:49: warning: 'FT_FaceRec_* pango_fc_font_lock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
   FT_Face face = pango_fc_font_lock_face (fcfont);
                                                 ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:113:12: note: declared here
 FT_Face    pango_fc_font_lock_face         (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~
pango-font.cc:175:36: warning: 'void pango_fc_font_unlock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
   pango_fc_font_unlock_face (fcfont);
                                    ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:115:12: note: declared here
 void       pango_fc_font_unlock_face       (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~~~
pango-font.cc: In member function 'Stencil Pango_font::pango_item_string_stencil(const PangoGlyphItem*) const':
pango-font.cc:193:51: warning: 'FT_FaceRec_* pango_fc_font_lock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
   FT_Face ftface = pango_fc_font_lock_face (fcfont);
                                                   ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:113:12: note: declared here
 FT_Face    pango_fc_font_lock_face         (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from pango-font-scheme.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from pango-font-scheme.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from pango-font-scheme.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from pango-font-scheme.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from pango-font-scheme.cc:25:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from pango-font-scheme.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from pango-font-scheme.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from pango-font-scheme.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/lookup.hh:24,
                 from pango-font-scheme.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
pango-font.cc:315:36: warning: 'void pango_fc_font_unlock_face(PangoFcFont*)' is deprecated: Use 'pango_font_get_hb_font' instead [-Wdeprecated-declarations]
   pango_fc_font_unlock_face (fcfont);
                                    ^
In file included from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-decoder.h:25:0,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-fontmap.h:27,
                 from /var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangoft2.h:31,
                 from pango-font.cc:24:
/var/pkgsrc/work/print/lilypond/work/.buildlink/include/pango-1.0/pango/pangofc-font.h:115:12: note: declared here
 void       pango_fc_font_unlock_face       (PangoFcFont      *font);
            ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/pango-font.hh:30,
                 from pango-select-scheme.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/pango-font.hh:30,
                 from pango-select-scheme.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/pango-font.hh:30,
                 from pango-select-scheme.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/pango-font.hh:30,
                 from pango-select-scheme.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from pango-select.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from pango-select.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from pango-select.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from pango-select.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from pango-select.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from pango-select.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from pango-select.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from pango-select.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/all-font-metrics.hh:24,
                 from pango-select.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
pango-select.cc: In function 'PangoFontDescription* symbols_to_pango_font_description(SCM, SCM, SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
pango-select.cc:150:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (family))
       ^~~~~~~~~~~~~
rm -f ./out/paper-book-scheme.dep; DEPENDENCIES_OUTPUT="./out/paper-book-scheme.dep ./out/paper-book-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-book-scheme.o paper-book-scheme.cc
rm -f ./out/paper-book.dep; DEPENDENCIES_OUTPUT="./out/paper-book.dep ./out/paper-book.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-book.o paper-book.cc
rm -f ./out/paper-column-engraver.dep; DEPENDENCIES_OUTPUT="./out/paper-column-engraver.dep ./out/paper-column-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-column-engraver.o paper-column-engraver.cc
rm -f ./out/paper-column.dep; DEPENDENCIES_OUTPUT="./out/paper-column.dep ./out/paper-column.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-column.o paper-column.cc
rm -f ./out/paper-def.dep; DEPENDENCIES_OUTPUT="./out/paper-def.dep ./out/paper-def.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-def.o paper-def.cc
rm -f ./out/paper-outputter-scheme.dep; DEPENDENCIES_OUTPUT="./out/paper-outputter-scheme.dep ./out/paper-outputter-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-outputter-scheme.o paper-outputter-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/paper-column-engraver.hh:23,
                 from paper-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/paper-column-engraver.hh:23,
                 from paper-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/paper-column-engraver.hh:23,
                 from paper-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/paper-column-engraver.hh:23,
                 from paper-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from paper-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from paper-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SIn file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/lCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~ibguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from paper-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/paper-book.hh:23,
                 from paper-book.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from paper-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from paper-column.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/paper-outputter.dep; DEPENDENCIES_OUTPUT="./out/paper-outputter.dep ./out/paper-outputter.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-outputter.o paper-outputter.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/page-marker.hh: In static member function 'static Page_marker* Page_marker::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/page-marker.hh:28:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Page_marker);
   ^~~~~~~~~~~~~
paper-book.cc: In static member function 'static scm_unused_struct* Paper_book::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
paper-book.cc:56:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Paper_book);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/paper-column-engraver.hh:23,
                 from paper-column-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
paper-book.cc: In function 'void set_system_penalty(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/variable.h:32:48: note: in expansion of macro 'SCM_TYP7'
 #define SCM_VARIABLEP(X)      (!SCM_IMP (X) && SCM_TYP7(X) == scm_tc7_variable)
                                                ^~~~~~~~
paper-book.cc:367:11: note: in expansion of macro 'SCM_VARIABLEP'
       if (SCM_VARIABLEP (force)
           ^~~~~~~~~~~~~
paper-book.cc: In member function 'scm_unused_struct* Paper_book::get_system_specs()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
paper-book.cc:468:15: note: in expansion of macro 'scm_is_symbol'
           if (scm_is_symbol (page_marker->permission_symbol ()))
               ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
paper-book.cc:476:15: note: in expansion of macro 'scm_is_symbol'
           if (scm_is_symbol (page_marker->label ()))
               ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from paper-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from paper-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from paper-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from paper-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from paper-def.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from paper-def.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from paper-def.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from paper-def.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from paper-def.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/paper-outputter.hh: In static member function 'static Paper_outputter* Paper_outputter::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-outputter.hh:40:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_outputter);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/paper-column-engraver.hh:23,
                 from paper-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/paper-column-engraver.hh:23,
                 from paper-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/paper-column-engraver.hh:23,
                 from paper-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/paper-column-engraver.hh:23,
                 from paper-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from paper-def.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
paper-column.cc: In static member function 'static bool Paper_column::is_breakable(Grob*)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
paper-column.cc:162:10: note: in expansion of macro 'scm_is_symbol'
   return scm_is_symbol (me->get_property ("line-break-permission"));
          ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from paper-def.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from paper-def.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/output-def.hh:25,
                 from paper-def.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
paper-column-engraver.cc: In member function 'virtual void Paper_column_engraver::finalize()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
paper-column-engraver.cc:74:12: note: in expansion of macro 'scm_is_symbol'
       if (!scm_is_symbol (command_column_->get_property ("line-break-permission")))
            ^~~~~~~~~~~~~
rm -f ./out/paper-score-scheme.dep; DEPENDENCIES_OUTPUT="./out/paper-score-scheme.dep ./out/paper-score-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-score-scheme.o paper-score-scheme.cc
rm -f ./out/paper-score.dep; DEPENDENCIES_OUTPUT="./out/paper-score.dep ./out/paper-score.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-score.o paper-score.cc
rm -f ./out/paper-system-scheme.dep; DEPENDENCIES_OUTPUT="./out/paper-system-scheme.dep ./out/paper-system-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-system-scheme.o paper-system-scheme.cc
rm -f ./out/paper-system.dep; DEPENDENCIES_OUTPUT="./out/paper-system.dep ./out/paper-system.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/paper-system.o paper-system.cc
rm -f ./out/parenthesis-engraver.dep; DEPENDENCIES_OUTPUT="./out/parenthesis-engraver.dep ./out/parenthesis-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/parenthesis-engraver.o parenthesis-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/paper-outputter.hh:26,
                 from paper-outputter.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/paper-outputter.hh: In static member function 'static Paper_outputter* Paper_outputter::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-outputter.hh:40:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_outputter);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
paper-outputter.cc: In static member function 'static scm_unused_struct* Paper_outputter::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
paper-outputter.cc:64:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Paper_outputter);
 ^~~~~~~~~~~~~~~
rm -f ./out/parse-scm.dep; DEPENDENCIES_OUTPUT="./out/parse-scm.dep ./out/parse-scm.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/parse-scm.o parse-scm.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from parenthesis-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from parenthesis-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from parenthesis-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from parenthesis-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/part-combine-engraver.dep; DEPENDENCIES_OUTPUT="./out/part-combine-engraver.dep ./out/part-combine-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/part-combine-engraver.o part-combine-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from paper-system-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from paper-system-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from paper-system-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from paper-system-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from paper-system-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from parenthesis-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from paper-system-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from paper-system-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from paper-system-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from paper-system-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/part-combine-iterator.dep; DEPENDENCIES_OUTPUT="./out/part-combine-iterator.dep ./out/part-combine-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/part-combine-iterator.o part-combine-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/paper-score.hh:24,
                 from paper-score.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from ./include/paper-system.hh:22,
                 from paper-system.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from ./include/paper-system.hh:22,
                 from paper-system.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from ./include/paper-system.hh:22,
                 from paper-system.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from ./include/paper-system.hh:22,
                 from paper-system.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from ./include/paper-system.hh:22,
                 from paper-system.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from parenthesis-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from parenthesis-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from parenthesis-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from parenthesis-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
rm -f ./out/partial-iterator.dep; DEPENDENCIES_OUTPUT="./out/partial-iterator.dep ./out/partial-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/partial-iterator.o partial-iterator.cc
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from ./include/paper-system.hh:22,
                 from paper-system.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from ./include/paper-system.hh:22,
                 from paper-system.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from ./include/paper-system.hh:22,
                 from paper-system.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from ./include/paper-system.hh:22,
                 from paper-system.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from part-combine-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from part-combine-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from part-combine-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from part-combine-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/book.hh: In static member function 'static Book* Book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/book.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Book);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/score.hh: In static member function 'static Score* Score::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/score.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Score);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/pdf-scheme.dep; DEPENDENCIES_OUTPUT="./out/pdf-scheme.dep ./out/pdf-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pdf-scheme.o pdf-scheme.cc
rm -f ./out/percent-repeat-engraver.dep; DEPENDENCIES_OUTPUT="./out/percent-repeat-engraver.dep ./out/percent-repeat-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/percent-repeat-engraver.o percent-repeat-engraver.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from partial-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from partial-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from partial-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from partial-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from part-combine-engraver.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/parse-scm.hh:23,
                 from parse-scm.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from part-combine-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from part-combine-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from part-combine-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from part-combine-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/parse-scm.hh:23,
                 from parse-scm.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/parse-scm.hh:23,
                 from parse-scm.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/parse-scm.hh:23,
                 from parse-scm.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/parse-scm.hh:23,
                 from parse-scm.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from partial-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from percent-repeat-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from percent-repeat-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from percent-repeat-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from percent-repeat-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/percent-repeat-item.dep; DEPENDENCIES_OUTPUT="./out/percent-repeat-item.dep ./out/percent-repeat-item.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/percent-repeat-item.o percent-repeat-item.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/parse-scm.hh:23,
                 from parse-scm.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/parse-scm.hh:23,
                 from parse-scm.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/parse-scm.hh:23,
                 from parse-scm.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/parse-scm.hh:23,
                 from parse-scm.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
part-combine-iterator.cc: In member function 'virtual void Part_combine_iterator::construct_children()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
part-combine-iterator.cc:371:11: note: in expansion of macro 'scm_is_true'
       if (scm_is_true (scm_negative_p (direction_)))
           ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from partial-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-parser.hh: In static member function 'static Lily_parser* Lily_parser::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-parser.hh:35:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_parser);
   ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from partial-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from partial-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from part-combine-iterator.cc:20:
part-combine-iterator.cc: In member function 'virtual void Part_combine_iterator::process(Moment)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
part-combine-iterator.cc:501:16: note: in expansion of macro 'scm_is_symbol'
       else if (scm_is_symbol (tag))
                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
part-combine-iterator.cc:504:25: note: in expansion of macro 'scm_is_symbol'
                      + (scm_is_symbol (tag) ? ly_symbol2string (tag) : string ("not a symbol"));
                         ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from partial-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                /usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
part-combine-iterator.cc:504:25: note: in expansion of macro 'scm_is_symbol'
                      + (scm_is_symbol (tag) ? ly_symbol2string (tag) : string ("not a symbol"));
                         ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
rm -f ./out/percent-repeat-iterator.dep; DEPENDENCIES_OUTPUT="./out/percent-repeat-iterator.dep ./out/percent-repeat-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/percent-repeat-iterator.o percent-repeat-iterator.cc
./include/lily-lexer.hh: In static member function 'static Lily_lexer* Lily_lexer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_lexer);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from pdf-scheme.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from pdf-scheme.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from pdf-scheme.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from pdf-scheme.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from pdf-scheme.cc:25:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/performance-scheme.dep; DEPENDENCIES_OUTPUT="./out/performance-scheme.dep ./out/performance-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/performance-scheme.o performance-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/percent-repeat-item.hh:23,
                 from percent-repeat-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/percent-repeat-item.hh:23,
                 from percent-repeat-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/percent-repeat-item.hh:23,
                 from percent-repeat-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/percent-repeat-item.hh:23,
                 from percent-repeat-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from pdf-scheme.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from pdf-scheme.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from pdf-scheme.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from pdf-scheme.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from percent-repeat-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from percent-repeat-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from percent-repeat-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from percent-repeat-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from percent-repeat-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/parse-scm.hh:23,
                 from parse-scm.cc:20:
parse-scm.cc: In function 'scm_unused_struct* internal_ly_parse_scm(Parse_start*)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:120:30: note: in expansion of macro 'scm_is_eq'
 #define SCM_EOF_OBJECT_P(x) (scm_is_eq ((x), SCM_EOF_VAL))
                              ^~~~~~~~~
parse-scm.cc:63:8: note: in expansion of macro 'SCM_EOF_OBJECT_P'
   if (!SCM_EOF_OBJECT_P (form))
        ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parse-scm.cc:69:15: note: in expansion of macro 'scm_is_true'
           if (scm_is_true (c))
               ^~~~~~~~~~~
rm -f ./out/performance.dep; DEPENDENCIES_OUTPUT="./out/performance.dep ./out/performance.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/performance.o performance.cc
rm -f ./out/performer-group.dep; DEPENDENCIES_OUTPUT="./out/performer-group.dep ./out/performer-group.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/performer-group.o performer-group.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from percent-repeat-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from percent-repeat-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from percent-repeat-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from percent-repeat-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/percent-repeat-item.hh:23,
                 from percent-repeat-item.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/performer.dep; DEPENDENCIES_OUTPUT="./out/performer.dep ./out/performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/performer.o performer.cc
rm -f ./out/pfb-scheme.dep; DEPENDENCIES_OUTPUT="./out/pfb-scheme.dep ./out/pfb-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pfb-scheme.o pfb-scheme.cc
rm -f ./out/pfb.dep; DEPENDENCIES_OUTPUT="./out/pfb.dep ./out/pfb.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pfb.o pfb.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/percent-repeat-item.hh:23,
                 from percent-repeat-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/percent-repeat-item.hh:23,
                 from percent-repeat-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/percent-repeat-item.hh:23,
                 from percent-repeat-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/percent-repeat-item.hh:23,
                 from percent-repeat-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from percent-repeat-iterator.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from percent-repeat-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from percent-repeat-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from percent-repeat-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from percent-repeat-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
rm -f ./out/phrasing-slur-engraver.dep; DEPENDENCIES_OUTPUT="./out/phrasing-slur-engraver.dep ./out/phrasing-slur-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/phrasing-slur-engraver.o phrasing-slur-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from performer.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from performer.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from performer.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from performer.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb-scheme.cc:2:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb-scheme.cc:2:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb-scheme.cc:2:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb-scheme.cc:2:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
rm -f ./out/piano-pedal-align-engraver.dep; DEPENDENCIES_OUTPUT="./out/piano-pedal-align-engraver.dep ./out/piano-pedal-align-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/piano-pedal-align-engraver.o piano-pedal-align-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from ./include/music-output.hh:25,
                 from ./include/performance.hh:24,
                 from performance.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
rm -f ./out/piano-pedal-bracket.dep; DEPENDENCIES_OUTPUT="./out/piano-pedal-bracket.dep ./out/piano-pedal-bracket.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/piano-pedal-bracket.o piano-pedal-bracket.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/score.hh: In static member function 'static Score* Score::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/score.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Score);
   ^~~~~~~~~~~~~
performance.cc: In member function 'void Performance::output(Midi_stream&) const':
performance.cc:51:36: warning: conversion to 'int' from 'std::vector<Audio_staff*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int tracks_ = audio_staffs_.size ();
                 ~~~~~~~~~~~~~~~~~~~^~
performance.cc:60:40: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       s->output (midi_stream, i, ports_);
                                        ^
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from performer.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from ./include/performer-group.hh:24,
                 from performer-group.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from ./include/performer-group.hh:24,
                 from performer-group.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from ./include/performer-group.hh:24,
                 from performer-group.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from ./include/performer-group.hh:24,
                 from performer-group.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from ./include/performer-group.hh:24,
                 from performer-group.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from ./include/performer-group.hh:24,
                 from performer-group.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from ./include/performer-group.hh:24,
                 from performer-group.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from ./include/performer-group.hh:24,
                 from performer-group.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from ./include/performer-group.hh:24,
                 from performer-group.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/piano-pedal-engraver.dep; DEPENDENCIES_OUTPUT="./out/piano-pedal-engraver.dep ./out/piano-pedal-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/piano-pedal-engraver.o piano-pedal-engraver.cc
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb-scheme.cc:2:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from phrasing-slur-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from phrasing-slur-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from phrasing-slur-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from phrasing-slur-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-align-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-align-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-align-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from performer.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from performer.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from performer.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-align-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from performer.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb.cc:25:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb-scheme.cc:2:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb-scheme.cc:2:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb-scheme.cc:2:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb-scheme.cc:2:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/piano-pedal-performer.dep; DEPENDENCIES_OUTPUT="./out/piano-pedal-performer.dep ./out/piano-pedal-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/piano-pedal-performer.o piano-pedal-performer.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from phrasing-slur-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
pfb-scheme.cc: In function 'scm_unused_struct* ly_pfb_2_pfa(SCM)':
pfb-scheme.cc:21:65: warning: conversion to 'int' from 'std::vector<char>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   char *pfa = pfb2pfa ((Byte *) &pfb_string[0], pfb_string.size ());
                                                 ~~~~~~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-align-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from piano-pedal-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from piano-pedal-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from piano-pedal-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from piano-pedal-bracket.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
rm -f ./out/pitch-interval.dep; DEPENDENCIES_OUTPUT="./out/pitch-interval.dep ./out/pitch-interval.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pitch-interval.o pitch-interval.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from piano-pedal-bracket.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/pitch-scheme.dep; DEPENDENCIES_OUTPUT="./out/pitch-scheme.dep ./out/pitch-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pitch-scheme.o pitch-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from phrasing-slur-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from phrasing-slur-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from phrasing-slur-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from phrasing-slur-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-engraver.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb.cc:25:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-align-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-align-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-align-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-align-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from piano-pedal-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from piano-pedal-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from piano-pedal-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from piano-pedal-bracket.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from pfb.cc:25:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-engraver.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/pitch-squash-engraver.dep; DEPENDENCIES_OUTPUT="./out/pitch-squash-engraver.dep ./out/pitch-squash-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pitch-squash-engraver.o pitch-squash-engraver.cc
rm -f ./out/pitch.dep; DEPENDENCIES_OUTPUT="./out/pitch.dep ./out/pitch.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pitch.o pitch.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from piano-pedal-engraver.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
rm -f ./out/pitched-trill-engraver.dep; DEPENDENCIES_OUTPUT="./out/pitched-trill-engraver.dep ./out/pitched-trill-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pitched-trill-engraver.o pitched-trill-engraver.cc
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/pointer-group-interface-scheme.dep; DEPENDENCIES_OUTPUT="./out/pointer-group-interface-scheme.dep ./out/pointer-group-interface-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pointer-group-interface-scheme.o pointer-group-interface-scheme.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/pitch-interval.hh:23,
                 from pitch-interval.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/pitch-interval.hh:23,
                 from pitch-interval.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/pitch-interval.hh:23,
                 from pitch-interval.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/pitch-interval.hh:23,
                 from pitch-interval.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/pitch-interval.hh:23,
                 from pitch-interval.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from piano-pedal-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from piano-pedal-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from piano-pedal-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from piano-pedal-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from piano-pedal-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from piano-pedal-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from piano-pedal-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from piano-pedal-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from piano-pedal-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/pitch-interval.hh:23,
                 from pitch-interval.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/pitch-interval.hh:23,
                 from pitch-interval.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/pitch-interval.hh:23,
                 from pitch-interval.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from ./include/pitch-interval.hh:23,
                 from pitch-interval.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/pointer-group-interface.dep; DEPENDENCIES_OUTPUT="./out/pointer-group-interface.dep ./out/pointer-group-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pointer-group-interface.o pointer-group-interface.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitched-trill-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitched-trill-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitched-trill-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitched-trill-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitch-squash-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitch-squash-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitch-squash-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitch-squash-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/prob-scheme.dep; DEPENDENCIES_OUTPUT="./out/prob-scheme.dep ./out/prob-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/prob-scheme.o prob-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitched-trill-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitched-trill-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitched-trill-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitched-trill-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitched-trill-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitch-squash-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CIn file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macroELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/prob.dep; DEPENDENCIES_OUTPUT="./out/prob.dep ./out/prob.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/prob.o prob.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
pitch-scheme.cc: In function 'scm_unused_struct* ly_make_pitch(SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
pitch-scheme.cc:47:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP (alter))
       ^~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch-scheme.cc:20:
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitch-squash-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                ./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SC                              ^~~~~~~~~~~
M_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitch-squash-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitch-squash-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from pitch-squash-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/pitch.hh:24,
                 from pitch.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/scale.hh: In static member function 'static Scale* Scale::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scale.hh:38:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scale);
   ^~~~~~~~~~~~~
pitch.cc: In static member function 'static scm_unused_struct* Pitch::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
pitch.cc:230:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Pitch);
 ^~~~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/profile.dep; DEPENDENCIES_OUTPUT="./out/profile.dep ./out/profile.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/profile.o profile.cc
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
pointer-group-interface.cc: In static member function 'static int Pointer_group_interface::count(Grob*, SCM)':
pointer-group-interface.cc:29:14: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   return arr ? arr->size () : 0;
          ~~~~^~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/pointer-group-interface.hh:25,
                 from pointer-group-interface-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/program-option-scheme.dep; DEPENDENCIES_OUTPUT="./out/program-option-scheme.dep ./out/program-option-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/program-option-scheme.o program-option-scheme.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/profile.hh:23,
                 from profile.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/profile.hh:23,
                 from profile.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/profile.hh:23,
                 from profile.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/profile.hh:23,
                 from profile.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/program-option.dep; DEPENDENCIES_OUTPUT="./out/program-option.dep ./out/program-option.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/program-option.o program-option.cc
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/property-iterator.dep; DEPENDENCIES_OUTPUT="./out/property-iterator.dep ./out/property-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/property-iterator.o property-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/protected-scm.dep; DEPENDENCIES_OUTPUT="./out/protected-scm.dep ./out/protected-scm.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/protected-scm.o protected-scm.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/profile.hh:23,
                 from profile.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/pure-from-neighbor-engraver.dep; DEPENDENCIES_OUTPUT="./out/pure-from-neighbor-engraver.dep ./out/pure-from-neighbor-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pure-from-neighbor-engraver.o pure-from-neighbor-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/prob.hh:23,
                 from prob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/profile.hh:23,
                 from profile.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/profile.hh:23,
                 from profile.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/profile.hh:23,
                 from profile.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/profile.hh:23,
                 from profile.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
prob.cc: In static member function 'static scm_unused_struct* Prob::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
prob.cc:28:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Prob);
 ^~~~~~~~~~~~~~~
prob.cc: In member function 'virtual std::__cxx11::string Prob::name() const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
prob.cc:198:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (nm))
       ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
program-option-scheme.cc: In function 'std::__cxx11::string get_help_string()':
program-option-scheme.cc:157:50: warning: conversion to 'int' from 'ssize {aka long unsigned int}' may alter its value [-Wconversion]
         opt_spec += String_convert::char_string (' ', HELP_INDENT
                                                       ~~~~~~~~~~~
                                                  - opt_spec.length ());
                                                  ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/pure-from-neighbor-interface.dep; DEPENDENCIES_OUTPUT="./out/pure-from-neighbor-interface.dep ./out/pure-from-neighbor-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/pure-from-neighbor-interface.o pure-from-neighbor-interface.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from protected-scm.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from protected-scm.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from protected-scm.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from protected-scm.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/quote-iterator.dep; DEPENDENCIES_OUTPUT="./out/quote-iterator.dep ./out/quote-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/quote-iterator.o quote-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/program-option.hh:22,
                 from program-option.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/relative-octave-check.dep; DEPENDENCIES_OUTPUT="./out/relative-octave-check.dep ./out/relative-octave-check.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/relative-octave-check.o relative-octave-check.cc
rm -f ./out/relative-octave-music.dep; DEPENDENCIES_OUTPUT="./out/relative-octave-music.dep ./out/relative-octave-music.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/relative-octave-music.o relative-octave-music.cc
rm -f ./out/relocate.dep; DEPENDENCIES_OUTPUT="./out/relocate.dep ./out/relocate.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/relocate.o relocate.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/property-iterator.hh:23,
                 from property-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/property-iterator.hh:23,
                 from property-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/property-iterator.hh:23,
                 from property-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/property-iterator.hh:23,
                 from property-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from pure-from-neighbor-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from pure-from-neighbor-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from pure-from-neighbor-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from pure-from-neighbor-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from pure-from-neighbor-engraver.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/property-iterator.hh:23,
                 from property-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/property-iterator.hh:23,
                 from property-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/property-iterator.hh:23,
                 from property-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/property-iterator.hh:23,
                 from property-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/property-iterator.hh:23,
                 from property-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from protected-scm.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from pure-from-neighbor-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from pure-from-neighbor-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from pure-from-neighbor-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from pure-from-neighbor-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
property-iterator.cc: In function 'scm_unused_struct* get_property_path(Music*)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
property-iterator.cc:112:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (eprop))
       ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from protected-scm.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from protected-scm.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from protected-scm.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/protected-scm.hh:23,
                 from protected-scm.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from pure-from-neighbor-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from pure-from-neighbor-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from pure-from-neighbor-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from pure-from-neighbor-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from pure-from-neighbor-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from pure-from-neighbor-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from pure-from-neighbor-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from pure-from-neighbor-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/axis-group-interface.hh:25,
                 from pure-from-neighbor-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/repeat-acknowledge-engraver.dep; DEPENDENCIES_OUTPUT="./out/repeat-acknowledge-engraver.dep ./out/repeat-acknowledge-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/repeat-acknowledge-engraver.o repeat-acknowledge-engraver.cc
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from relative-octave-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from relative-octave-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from relative-octave-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from relative-octave-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from quote-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from quote-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from quote-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from quote-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from quote-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from quote-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from quote-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from quote-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from quote-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
quote-iterator.cc: In function 'int binsearch_scm_vector(SCM, SCM, bool (*)(SCM, SCM))':
quote-iterator.cc:104:32: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
   int hi = scm_c_vector_length (vec);
            ~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/music-wrapper-iterator.hh:23,
                 from quote-iterator.cc:20:
quote-iterator.cc: In member function 'virtual void Quote_iterator::construct_children()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
quote-iterator.cc:131:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (name))
       ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from relative-octave-check.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from relative-octave-check.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from relative-octave-check.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from relative-octave-check.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from relative-octave-check.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from relative-octave-music.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-acknowledge-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-acknowledge-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-acknowledge-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-acknowledge-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from relative-octave-check.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/lIn file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from relative-octave-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
ibguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from relative-octave-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in eIn file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from relative-octave-check.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_sxpansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
ymbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from relative-octave-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/incIn file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from relative-octave-check.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
lude/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from relative-octave-check.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expIn file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from relative-octave-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
ansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from relocate.cc:36:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from relocate.cc:36:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from relocate.cc:36:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from relocate.cc:36:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from relocate.cc:36:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from relocate.cc:36:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
rm -f ./out/repeat-tie-engraver.dep; DEPENDENCIES_OUTPUT="./out/repeat-tie-engraver.dep ./out/repeat-tie-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/repeat-tie-engraver.o repeat-tie-engraver.cc
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from relocate.cc:36:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from relocate.cc:36:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
rm -f ./out/repeated-music.dep; DEPENDENCIES_OUTPUT="./out/repeated-music.dep ./out/repeated-music.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/repeated-music.o repeated-music.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from relocate.cc:36:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/rest-collision-engraver.dep; DEPENDENCIES_OUTPUT="./out/rest-collision-engraver.dep ./out/rest-collision-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/rest-collision-engraver.o rest-collision-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-acknowledge-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/rest-collision.dep; DEPENDENCIES_OUTPUT="./out/rest-collision.dep ./out/rest-collision.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/rest-collision.o rest-collision.cc
rm -f ./out/rest-engraver.dep; DEPENDENCIES_OUTPUT="./out/rest-engraver.dep ./out/rest-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/rest-engraver.o rest-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-tie-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-tie-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-tie-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-tie-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-acknowledge-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-acknowledge-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-acknowledge-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-acknowledge-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/rest.dep; DEPENDENCIES_OUTPUT="./out/rest.dep ./out/rest.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/rest.o rest.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from ./include/repeated-music.hh:23,
                 from repeated-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from ./include/repeated-music.hh:23,
                 from repeated-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from ./include/repeated-music.hh:23,
                 from repeated-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from ./include/repeated-music.hh:23,
                 from repeated-music.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rest-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rest-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rest-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rest-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/rhythmic-column-engraver.dep; DEPENDENCIES_OUTPUT="./out/rhythmic-column-engraver.dep ./out/rhythmic-column-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/rhythmic-column-engraver.o rhythmic-column-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from rest-collision-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from rest-collision-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from rest-collision-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from rest-collision-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest-collision.hh:23,
                 from rest-collision.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest-collision.hh:23,
                 from rest-collision.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest-collision.hh:23,
                 from rest-collision.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest-collision.hh:23,
                 from rest-collision.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from ./include/repeated-music.hh:23,
                 from repeated-music.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest.hh:23,
                 from rest.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest.hh:23,
                 from rest.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest.hh:23,
                 from rest.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest.hh:23,
                 from rest.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from rest-collision-engraver.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-tie-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from ./include/repeated-music.hh:23,
                 from repeated-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from ./include/repeated-music.hh:23,
                 from repeated-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from ./include/repeated-music.hh:23,
                 from repeated-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from ./include/repeated-music.hh:23,
                 from repeated-music.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
repeated-music.cc: In static member function 'static Moment Repeated_music::alternatives_get_length(Music*, bool)':
repeated-music.cc:42:25: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   int len = scm_ilength (alternative_list);
             ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
rm -f ./out/rhythmic-head.dep; DEPENDENCIES_OUTPUT="./out/rhythmic-head.dep ./out/rhythmic-head.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/rhythmic-head.o rhythmic-head.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rest-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-tie-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-tie-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-tie-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from repeat-tie-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rest-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rest-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rest-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rest-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest.hh:23,
                 from rest.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rhythmic-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rhythmic-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rhythmic-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rhythmic-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from rest-collision-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from rest-collision-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from rest-collision-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from rest-collision-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from rhythmic-head.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from rhythmic-head.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from rhythmic-head.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from rhythmic-head.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest.hh:23,
                 from rest.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest.hh:23,
                 from rest.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest.hh:23,
                 from rest.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest.hh:23,
                 from rest.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest-collision.hh:23,
                 from rest-collision.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/rhythmic-music-iterator.dep; DEPENDENCIES_OUTPUT="./out/rhythmic-music-iterator.dep ./out/rhythmic-music-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/rhythmic-music-iterator.o rhythmic-music-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest-collision.hh:23,
                 from rest-collision.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest-collision.hh:23,
                 from rest-collision.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest-collision.hh:23,
                 from rest-collision.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rest-collision.hh:23,
                 from rest-collision.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rhythmic-column-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from rhythmic-head.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
rm -f ./out/rod.dep; DEPENDENCIES_OUTPUT="./out/rod.dep ./out/rod.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/rod.o rod.cc
rm -f ./out/scale.dep; DEPENDENCIES_OUTPUT="./out/scale.dep ./out/scale.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/scale.o scale.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rhythmic-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rhythmic-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rhythmic-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from rhythmic-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from rhythmic-head.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from rhythmic-head.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from rhythmic-head.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/rhythmic-head.hh:23,
                 from rhythmic-head.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/scheme-engraver.dep; DEPENDENCIES_OUTPUT="./out/scheme-engraver.dep ./out/scheme-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/scheme-engraver.o scheme-engraver.cc
rm -f ./out/scheme-listener-scheme.dep; DEPENDENCIES_OUTPUT="./out/scheme-listener-scheme.dep ./out/scheme-listener-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/scheme-listener-scheme.o scheme-listener-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/rhythmic-music-iterator.hh:23,
                 from rhythmic-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/rhythmic-music-iterator.hh:23,
                 from rhythmic-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/rhythmic-music-iterator.hh:23,
                 from rhythmic-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/rhythmic-music-iterator.hh:23,
                 from rhythmic-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scale.hh:23,
                 from scale.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scale.hh:23,
                 from scale.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scale.hh:23,
                 from scale.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scale.hh:23,
                 from scale.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/scheme-listener.dep; DEPENDENCIES_OUTPUT="./out/scheme-listener.dep ./out/scheme-listener.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/scheme-listener.o scheme-listener.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/scheme-engraver.hh:25,
                 from scheme-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/scheme-engraver.hh:25,
                 from scheme-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/scheme-engraver.hh:25,
                 from scheme-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/scheme-engraver.hh:25,
                 from scheme-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/rhythmic-music-iterator.hh:23,
                 from rhythmic-music-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/rhythmic-music-iterator.hh:23,
                 from rhythmic-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/rhythmic-music-iterator.hh:23,
                 from rhythmic-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/rhythmic-music-iterator.hh:23,
                 from rhythmic-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from ./include/rhythmic-music-iterator.hh:23,
                 from rhythmic-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scale.hh:23,
                 from scale.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/scm-hash.dep; DEPENDENCIES_OUTPUT="./out/scm-hash.dep ./out/scm-hash.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/scm-hash.o scm-hash.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/scheme-engraver.hh:25,
                 from scheme-engraver.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from rod.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from rod.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from rod.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from rod.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from rod.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/score-engraver.dep; DEPENDENCIES_OUTPUT="./out/score-engraver.dep ./out/score-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/score-engraver.o score-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scale.hh:23,
                 from scale.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scale.hh:23,
                 from scale.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scale.hh:23,
                 from scale.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scale.hh:23,
                 from scale.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/scale.hh: In static member function 'static Scale* Scale::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scale.hh:38:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scale);
   ^~~~~~~~~~~~~
scale.cc: In function 'scm_unused_struct* ly_make_scale(SCM)':
scale.cc:41:37: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
       int len = scm_c_vector_length (steps);
                 ~~~~~~~~~~~~~~~~~~~~^~~~~~~
scale.cc: In member function 'int Scale::step_count() const':
scale.cc:99:27: warning: conversion to 'int' from 'std::vector<Rational>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   return step_tones_.size ();
          ~~~~~~~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/scheme-engraver.hh:25,
                 from scheme-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/scheme-engraver.hh:25,
                 from scheme-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/scheme-engraver.hh:25,
                 from scheme-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scale.hh:23,
                 from scale.cc:22:
scale.cc: In static member function 'static scm_unused_struct* Scale::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
scale.cc:169:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Scale);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/scheme-engraver.hh:25,
                 from scheme-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from rod.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from rod.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from rod.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from rod.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/score-performer.dep; DEPENDENCIES_OUTPUT="./out/score-performer.dep ./out/score-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/score-performer.o score-performer.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scm-hash.hh:23,
                 from scm-hash.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scm-hash.hh:23,
                 from scm-hash.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scm-hash.hh:23,
                 from scm-hash.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scm-hash.hh:23,
                 from scm-hash.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scheme-listener.hh: In static member function 'static Scheme_listener* Scheme_listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scheme-listener.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_listener);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/scheme-listener.hh:23,
                 from scheme-listener.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scheme-listener.hh: In static member function 'static Scheme_listener* Scheme_listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scheme-listener.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_listener);
   ^~~~~~~~~~~~~
scheme-listener.cc: In static member function 'static scm_unused_struct* Scheme_listener::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
scheme-listener.cc:29:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Scheme_listener);
 ^~~~~~~~~~~~~~~
rm -f ./out/score-scheme.dep; DEPENDENCIES_OUTPUT="./out/score-scheme.dep ./out/score-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/score-scheme.o score-scheme.cc
rm -f ./out/score.dep; DEPENDENCIES_OUTPUT="./out/score.dep ./out/score.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/score.o score.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from score-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from score-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from score-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from score-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/script-column-engraver.dep; DEPENDENCIES_OUTPUT="./out/script-column-engraver.dep ./out/script-column-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/script-column-engraver.o script-column-engraver.cc
rm -f ./out/script-column.dep; DEPENDENCIES_OUTPUT="./out/script-column.dep ./out/script-column.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/script-column.o script-column.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scm-hash.hh:23,
                 from scm-hash.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/score-performer.hh:24,
                 from score-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/score-performer.hh:24,
                 from score-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/score-performer.hh:24,
                 from score-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
rm -f ./out/script-engraver.dep; DEPENDENCIES_OUTPUT="./out/script-engraver.dep ./out/script-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/script-engraver.o script-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/score-performer.hh:24,
                 from score-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from score-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scm-hash.hh:23,
                 from scm-hash.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scm-hash.hh:23,
                 from scm-hash.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scm-hash.hh:23,
                 from scm-hash.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/scm-hash.hh:23,
                 from scm-hash.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
scm-hash.cc: In static member function 'static scm_unused_struct* Scheme_hash_table::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
scm-hash.cc:151:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Scheme_hash_table);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from score-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from score-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from score-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from score-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/score-performer.hh:24,
                 from score-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
rm -f ./out/script-interface.dep; DEPENDENCIES_OUTPUT="./out/script-interface.dep ./out/script-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/script-interface.o script-interface.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/score-performer.hh:24,
                 from score-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/score-performer.hh:24,
                 from score-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/score-performer.hh:24,
                 from score-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/score-performer.hh:24,
                 from score-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/script-row-engraver.dep; DEPENDENCIES_OUTPUT="./out/script-row-engraver.dep ./out/script-row-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/script-row-engraver.o script-row-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/score.hh: In static member function 'static Score* Score::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/score.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Score);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-column.hh:24,
                 from script-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-column.hh:24,
                 from script-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-column.hh:24,
                 from script-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-column.hh:24,
                 from script-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-column.hh:24,
                 from script-column.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-column.hh:24,
                 from script-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/score.hh:25,
                 from score.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-column.hh:24,
                 from script-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-column.hh:24,
                 from script-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-column.hh:24,
                 from script-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/score.hh: In static member function 'static Score* Score::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/score.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Score);
   ^~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/book.hh: In static member function 'static Book* Book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/book.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Book);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-parser.hh: In static member function 'static Lily_parser* Lily_parser::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-parser.hh:35:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_parser);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
score.cc: In static member function 'static scm_unused_struct* Score::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
score.cc:63:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Score);
 ^~~~~~~~~~~~~~~
score.cc: In member function 'scm_unused_struct* Score::book_rendering(Output_def*, Output_def*)':
score.cc:137:33: warning: conversion to 'int' from 'std::vector<Output_def*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int outdef_count = defs_.size ();
                      ~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-column-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-column.hh:24,
                 from script-column.cc:20:
script-column.cc: In static member function 'static void Script_column::order_grobs(std::vector<Grob*>)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
script-column.cc:159:35: note: in expansion of macro 'scm_is_eq'
                 for (SCM t = ss; !scm_is_eq (t, s); t = scm_cdr (t))
                                   ^~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-row-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-column-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-row-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-row-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-row-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
script-engraver.cc: In member function 'void Script_engraver::process_music()':
script-engraver.cc:170:32: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                               i);
                                ^
rm -f ./out/self-alignment-interface.dep; DEPENDENCIES_OUTPUT="./out/self-alignment-interface.dep ./out/self-alignment-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/self-alignment-interface.o self-alignment-interface.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-column-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/semi-tie-column.dep; DEPENDENCIES_OUTPUT="./out/semi-tie-column.dep ./out/semi-tie-column.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/semi-tie-column.o semi-tie-column.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/semi-tie.dep; DEPENDENCIES_OUTPUT="./out/semi-tie.dep ./out/semi-tie.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/semi-tie.o semi-tie.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-interface.hh:24,
                 from script-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-interface.hh:24,
                 from script-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-interface.hh:24,
                 from script-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-interface.hh:24,
                 from script-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-interface.hh:24,
                 from script-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-row-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-interface.hh:24,
                 from script-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
rm -f ./out/separating-line-group-engraver.dep; DEPENDENCIES_OUTPUT="./out/separating-line-group-engraver.dep ./out/separating-line-group-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/separating-line-group-engraver.o separating-line-group-engraver.cc
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-interface.hh:24,
                 from script-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-interface.hh:24,
                 from script-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/script-interface.hh:24,
                 from script-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-row-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-row-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-row-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from script-row-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/separation-item.dep; DEPENDENCIES_OUTPUT="./out/separation-item.dep ./out/separation-item.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/separation-item.o separation-item.cc
rm -f ./out/sequential-iterator.dep; DEPENDENCIES_OUTPUT="./out/sequential-iterator.dep ./out/sequential-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/sequential-iterator.o sequential-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie-column.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie-column.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie-column.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie-column.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/self-alignment-interface.hh:24,
                 from self-alignment-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/self-alignment-interface.hh:24,
                 from self-alignment-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/self-alignment-interface.hh:24,
                 from self-alignment-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/self-alignment-interface.hh:24,
                 from self-alignment-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/self-alignment-interface.hh:24,
                 from self-alignment-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/side-position-interface.dep; DEPENDENCIES_OUTPUT="./out/side-position-interface.dep ./out/side-position-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/side-position-interface.o side-position-interface.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/self-alignment-interface.hh:24,
                 from self-alignment-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/self-alignment-interface.hh:24,
                 from self-alignment-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/self-alignment-interface.hh:24,
                 from self-alignment-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/self-alignment-interface.hh:24,
                 from self-alignment-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/simple-closure.dep; DEPENDENCIES_OUTPUT="./out/simple-closure.dep ./out/simple-closure.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/simple-closure.o simple-closure.cc
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie-column.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from separating-line-group-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from separating-line-group-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from separating-line-group-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from separating-line-group-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/separation-item.hh:25,
                 from separation-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/separation-item.hh:25,
                 from separation-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/separation-item.hh:25,
                 from separation-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/separation-item.hh:25,
                 from separation-item.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/separation-item.hh:25,
                 from separation-item.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie-column.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie-column.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie-column.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/semi-tie-column.hh:24,
                 from semi-tie-column.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/separation-item.hh:25,
                 from separation-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/separation-item.hh:25,
                 from separation-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/separation-item.hh:25,
                 from separation-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/separation-item.hh:25,
                 from separation-item.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/simple-music-iterator.dep; DEPENDENCIES_OUTPUT="./out/simple-music-iterator.dep ./out/simple-music-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/simple-music-iterator.o simple-music-iterator.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from side-position-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from side-position-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from side-position-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from side-position-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from separating-line-group-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/simple-spacer-scheme.dep; DEPENDENCIES_OUTPUT="./out/simple-spacer-scheme.dep ./out/simple-spacer-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/simple-spacer-scheme.o simple-spacer-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from sequential-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from sequential-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from sequential-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from separating-line-group-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from separating-line-group-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from separating-line-group-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from sequential-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from separating-line-group-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from sequential-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from sequential-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from sequential-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from sequential-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/sequential-iterator.hh:23,
                 from sequential-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/simple-closure.hh:23,
                 from simple-closure.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/simple-closure.hh:23,
                 from simple-closure.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/simple-closure.hh:23,
                 from simple-closure.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/simple-closure.hh:23,
                 from simple-closure.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from side-position-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from side-position-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from side-position-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from side-position-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/side-position-interface.hh:23,
                 from side-position-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/simple-closure.hh:23,
                 from simple-closure.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/simple-closure.hh:23,
                 from simple-closure.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/simple-closure.hh:23,
                 from simple-closure.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/simple-closure.hh:23,
                 from simple-closure.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/simple-closure.hh:23,
                 from simple-closure.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer-scheme.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer-scheme.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer-scheme.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer-scheme.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer-scheme.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
simple-closure.cc: In function 'bool is_simple_closure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
simple-closure.cc:30:27: note: in expansion of macro 'SCM_CELL_TYPE'
   return (SCM_NIMP (s) && SCM_CELL_TYPE (s) == simple_closure_tag);
                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer-scheme.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer-scheme.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer-scheme.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer-scheme.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/simple-spacer.dep; DEPENDENCIES_OUTPUT="./out/simple-spacer.dep ./out/simple-spacer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/simple-spacer.o simple-spacer.cc
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/simultaneous-music-iterator.dep; DEPENDENCIES_OUTPUT="./out/simultaneous-music-iterator.dep ./out/simultaneous-music-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/simultaneous-music-iterator.o simultaneous-music-iterator.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
simple-spacer-scheme.cc: In function 'scm_unused_struct* ly_solve_spring_rod_problem(SCM, SCM, SCM, SCM)':
simple-spacer-scheme.cc:43:25: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   int len = scm_ilength (springs);
             ~~~~~~~~~~~~^~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from simple-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from simple-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from simple-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
rm -f ./out/skyline-pair.dep; DEPENDENCIES_OUTPUT="./out/skyline-pair.dep ./out/skyline-pair.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/skyline-pair.o skyline-pair.cc
rm -f ./out/skyline.dep; DEPENDENCIES_OUTPUT="./out/skyline.dep ./out/skyline.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/skyline.o skyline.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from simple-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from simple-music-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from simple-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from simple-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from simple-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simple-music-iterator.hh:23,
                 from simple-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/slash-repeat-engraver.dep; DEPENDENCIES_OUTPUT="./out/slash-repeat-engraver.dep ./out/slash-repeat-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/slash-repeat-engraver.o slash-repeat-engraver.cc
rm -f ./out/slur-configuration.dep; DEPENDENCIES_OUTPUT="./out/slur-configuration.dep ./out/slur-configuration.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/slur-configuration.o slur-configuration.cc
rm -f ./out/slur-engraver.dep; DEPENDENCIES_OUTPUT="./out/slur-engraver.dep ./out/slur-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/slur-engraver.o slur-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from skyline.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from skyline.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from skyline.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from skyline.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from skyline.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer.cc:29:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer.cc:29:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer.cc:29:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer.cc:29:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/skyline-pair.hh:23,
                 from skyline-pair.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer.cc:29:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer.cc:29:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/skyline-pair.hh:23,
                 from skyline-pair.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/skyline-pair.hh:23,
                 from skyline-pair.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer.cc:29:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from skyline.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer.cc:29:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from skyline.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from skyline.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/skyline-pair.hh:23,
                 from skyline-pair.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer.cc:29:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from skyline.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/skyline-pair.hh:23,
                 from skyline-pair.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simultaneous-music-iterator.hh:23,
                 from simultaneous-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simultaneous-music-iterator.hh:23,
                 from simultaneous-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simultaneous-music-iterator.hh:23,
                 from simultaneous-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simultaneous-music-iterator.hh:23,
                 from simultaneous-music-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simultaneous-music-iterator.hh:23,
                 from simultaneous-music-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simultaneous-music-iterator.hh:23,
                 from simultaneous-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simultaneous-music-iterator.hh:23,
                 from simultaneous-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simultaneous-music-iterator.hh:23,
                 from simultaneous-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/music-iterator.hh:24,
                 from ./include/simultaneous-music-iterator.hh:23,
                 from simultaneous-music-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
simple-spacer.cc: In function 'std::vector<double> get_line_forces(const std::vector<Grob*>&, Real, Real, bool)':
simple-spacer.cc:449:37: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   spacer.add_rod (i - st, cols[i].rods_[r].r_ - st, cols[i].rods_[r].dist_);
                                   ~~^~~~
simple-spacer.cc:449:63: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   spacer.add_rod (i - st, cols[i].rods_[r].r_ - st, cols[i].rods_[r].dist_);
simple-spacer.cc:452:37: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   spacer.add_rod (i - st, end - st, cols[i].end_rods_[r].dist_);
                                   ~~^~~~
simple-spacer.cc:452:47: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   spacer.add_rod (i - st, end - st, cols[i].end_rods_[r].dist_);
                                           ~~~~^~~~
simple-spacer.cc:455:37: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   spacer.add_rod (i - st, end - st, cols[i].keep_inside_line_[RIGHT]);
                                   ~~^~~~
simple-spacer.cc:455:47: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   spacer.add_rod (i - st, end - st, cols[i].keep_inside_line_[RIGHT]);
                                           ~~~~^~~~
simple-spacer.cc:456:40: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   spacer.add_rod (0, i - st, -cols[i].keep_inside_line_[LEFT]);
                                      ~~^~~~
simple-spacer.cc: In function 'Column_x_positions get_line_configuration(const std::vector<Grob*>&, Real, Real, bool)':
simple-spacer.cc:507:71: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
         spacer.add_rod (i, cols[i].rods_[r].r_, cols[i].rods_[r].dist_);
                                                                       ^
simple-spacer.cc:507:45: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
         spacer.add_rod (i, cols[i].rods_[r].r_, cols[i].rods_[r].dist_);
simple-spacer.cc:511:76: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           spacer.add_rod (i, cols.size (), cols[i].keep_inside_line_[RIGHT]);
                                                                            ^
simple-spacer.cc:511:40: warning: conversion to 'int' from 'std::vector<Column_description>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
           spacer.add_rod (i, cols.size (), cols[i].keep_inside_line_[RIGHT]);
                              ~~~~~~~~~~^~
simple-spacer.cc:512:65: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           spacer.add_rod (0, i, -cols[i].keep_inside_line_[LEFT]);
                                                                 ^
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from ./include/paper-column.hh:23,
                 from simple-spacer.cc:29:
simple-spacer.cc: In static member function 'static scm_unused_struct* Simple_spacer::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
simple-spacer.cc:540:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Simple_spacer);
 ^~~~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/slur-performer.dep; DEPENDENCIES_OUTPUT="./out/slur-performer.dep ./out/slur-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/slur-performer.o slur-performer.cc
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
skyline.cc: In static member function 'static scm_unused_struct* Skyline::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
skyline.cc:865:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Skyline);
 ^~~~~~~~~~~~~~~~~~~~~~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slash-repeat-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slash-repeat-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slash-repeat-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/skyline-pair.hh:23,
                 from skyline-pair.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/skyline-pair.hh:23,
                 from skyline-pair.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/skyline-pair.hh:23,
                 from skyline-pair.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/skyline-pair.hh:23,
                 from skyline-pair.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slash-repeat-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slash-repeat-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
skyline-pair.cc: In static member function 'static scm_unused_struct* Skyline_pair::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
skyline-pair.cc:131:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Skyline_pair);
 ^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slash-repeat-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slash-repeat-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slash-repeat-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slash-repeat-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/slur-proto-engraver.dep; DEPENDENCIES_OUTPUT="./out/slur-proto-engraver.dep ./out/slur-proto-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/slur-proto-engraver.o slur-proto-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slur-configuration.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slur-configuration.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slur-configuration.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slur-configuration.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slur-configuration.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slur-configuration.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slur-configuration.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slur-configuration.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from slur-configuration.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/slur-score-parameters.dep; DEPENDENCIES_OUTPUT="./out/slur-score-parameters.dep ./out/slur-score-parameters.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/slur-score-parameters.o slur-score-parameters.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
slur-configuration.cc: In member function 'void Slur_configuration::score_encompass(const Slur_score_state&)':
slur-configuration.cc:304:23: warning: conversion to 'Real {aka double}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       avg_distance /= n;
                       ^
rm -f ./out/slur-scoring.dep; DEPENDENCIES_OUTPUT="./out/slur-scoring.dep ./out/slur-scoring.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/slur-scoring.o slur-scoring.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from slur-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from slur-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from slur-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from slur-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from slur-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from slur-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from slur-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from slur-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from slur-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-proto-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-proto-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-proto-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-proto-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/slur.dep; DEPENDENCIES_OUTPUT="./out/slur.dep ./out/slur.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/slur.o slur.cc
rm -f ./out/smobs.dep; DEPENDENCIES_OUTPUT="./out/smobs.dep ./out/smobs.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/smobs.o smobs.cc
rm -f ./out/source-file.dep; DEPENDENCIES_OUTPUT="./out/source-file.dep ./out/source-file.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/source-file.o source-file.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from slur-score-parameters.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from slur-score-parameters.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from slur-score-parameters.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from slur-score-parameters.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from slur-score-parameters.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-proto-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from slur-score-parameters.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from slur-score-parameters.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from slur-score-parameters.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from slur-score-parameters.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-proto-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-proto-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-proto-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from slur-proto-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from smobs.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from smobs.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from smobs.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from smobs.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/sources.dep; DEPENDENCIES_OUTPUT="./out/sources.dep ./out/sources.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/sources.o sources.cc
rm -f ./out/spaceable-grob.dep; DEPENDENCIES_OUTPUT="./out/spaceable-grob.dep ./out/spaceable-grob.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spaceable-grob.o spaceable-grob.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/slur-scoring.hh:23,
                 from slur-scoring.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/slur-scoring.hh:23,
                 from slur-scoring.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/slur-scoring.hh:23,
                 from slur-scoring.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/slur-scoring.hh:23,
                 from slur-scoring.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/slur-scoring.hh:23,
                 from slur-scoring.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/slur-scoring.hh:23,
                 from slur-scoring.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/slur-scoring.hh:23,
                 from slur-scoring.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/slur-scoring.hh:23,
                 from slur-scoring.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/slur-scoring.hh:23,
                 from slur-scoring.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from smobs.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/slur.hh:25,
                 from slur.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/slur.hh:25,
                 from slur.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/slur.hh:25,
                 from slur.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/slur.hh:25,
                 from slur.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/slur.hh:25,
                 from slur.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/slur.hh:25,
                 from slur.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/slur.hh:25,
                 from slur.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/slur.hh:25,
                 from slur.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/slur.hh:25,
                 from slur.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from smobs.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from smobs.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from smobs.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from smobs.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from source-file.cc:26:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
rm -f ./out/spacing-basic.dep; DEPENDENCIES_OUTPUT="./out/spacing-basic.dep ./out/spacing-basic.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spacing-basic.o spacing-basic.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from source-file.cc:26:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from source-file.cc:26:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from source-file.cc:26:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from source-file.cc:26:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from source-file.cc:26:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from source-file.cc:26:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from source-file.cc:26:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from source-file.cc:26:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
slur-scoring.cc: In member function 'std::vector<Slur_configuration*> Slur_score_state::enumerate_attachments(Drul_array<double>) const':
slur-scoring.cc:739:77: warning: conversion to 'int' from 'std::vector<Slur_configuration*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
           scores.push_back (Slur_configuration::new_config (os, scores.size ()));
                                                                 ~~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/slur-scoring.hh:23,
                 from slur-scoring.cc:21:
slur-scoring.cc: In member function 'std::vector<Extra_collision_info> Slur_score_state::get_extra_encompass_infos() const':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
slur-scoring.cc:810:20: note: in expansion of macro 'scm_is_symbol'
               if (!scm_is_symbol (scm_style)
                    ^~~~~~~~~~~~~
slur.cc: In static member function 'static scm_unused_struct* Slur::vertical_skylines(SCM)':
slur.cc:383:43: warning: conversion to 'double' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       b.add_point (curve.curve_point (i * 1.0 / box_count));
                                           ^~~
slur.cc:383:49: warning: conversion to 'double' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       b.add_point (curve.curve_point (i * 1.0 / box_count));
                                                 ^~~~~~~~~
slur.cc:384:42: warning: conversion to 'double' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       b.add_point (curve.curve_point ((i + 1) * 1.0 / box_count));
                                       ~~~^~~~
slur.cc:384:55: warning: conversion to 'double' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       b.add_point (curve.curve_point ((i + 1) * 1.0 / box_count));
                                                       ^~~~~~~~~
rm -f ./out/spacing-determine-loose-columns.dep; DEPENDENCIES_OUTPUT="./out/spacing-determine-loose-columns.dep ./out/spacing-determine-loose-columns.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spacing-determine-loose-columns.o spacing-determine-loose-columns.cc
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
source-file.cc: In function 'std::vector<char> gulp_file(const string&, int)':
source-file.cc:72:25: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   int real_size = ftell (f);
                   ~~~~~~^~~
source-file.cc:83:26: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
   int bytes_read = fread (str, sizeof (char), read_count, f);
                    ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
source-file.cc: In member function 'Slice Source_file::line_slice(const char*) const':
source-file.cc:243:28: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   return Slice (begin_str0 - data_str0, end_str0 - data_str0);
                 ~~~~~~~~~~~^~~~~~~~~~~
source-file.cc:243:50: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   return Slice (begin_str0 - data_str0, end_str0 - data_str0);
                                         ~~~~~~~~~^~~~~~~~~~~
source-file.cc: In member function 'void Source_file::get_counts(const char*, int*, int*, int*, int*) const':
source-file.cc:280:18: warning: conversion to 'int' from 'ssize {aka long unsigned int}' may alter its value [-Wconversion]
   *byte_offset = left;
                  ^~~~
source-file.cc: In member function 'virtual int Source_file::get_line(const char*) const':
source-file.cc:325:17: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   return lo + 1 + line_offset_;
          ~~~~~~~^~~~~~~~~~~~~~
source-file.cc: In member function 'int Source_file::length() const':
source-file.cc:345:27: warning: conversion to 'int' from 'std::vector<char>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   return characters_.size ();
          ~~~~~~~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from source-file.cc:26:
source-file.cc: In static member function 'static scm_unused_struct* Source_file::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
source-file.cc:364:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Source_file);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spaceable-grob.hh:24,
                 from spaceable-grob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spaceable-grob.hh:24,
                 from spaceable-grob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spaceable-grob.hh:24,
                 from spaceable-grob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spaceable-grob.hh:24,
                 from spaceable-grob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spaceable-grob.hh:24,
                 from spaceable-grob.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from sources.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from sources.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from sources.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from sources.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from sources.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/spacing-engraver.dep; DEPENDENCIES_OUTPUT="./out/spacing-engraver.dep ./out/spacing-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spacing-engraver.o spacing-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spaceable-grob.hh:24,
                 from spaceable-grob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spaceable-grob.hh:24,
                 from spaceable-grob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spaceable-grob.hh:24,
                 from spaceable-grob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spaceable-grob.hh:24,
                 from spaceable-grob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from sources.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
rm -f ./out/spacing-interface.dep; DEPENDENCIES_OUTPUT="./out/spacing-interface.dep ./out/spacing-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spacing-interface.o spacing-interface.cc
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from sources.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from sources.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/source-file.hh:25,
                 from sources.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-basic.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-basic.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-basic.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-basic.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-basic.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-basic.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-basic.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-basic.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-basic.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/spacing-loose-columns.dep; DEPENDENCIES_OUTPUT="./out/spacing-loose-columns.dep ./out/spacing-loose-columns.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spacing-loose-columns.o spacing-loose-columns.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from spacing-determine-loose-columns.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from spacing-determine-loose-columns.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from spacing-determine-loose-columns.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from spacing-determine-loose-columns.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from spacing-determine-loose-columns.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spacing-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spacing-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spacing-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spacing-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-interface.hh:19,
                 from spacing-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-interface.hh:19,
                 from spacing-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-interface.hh:19,
                 from spacing-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-interface.hh:19,
                 from spacing-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from spacing-determine-loose-columns.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from spacing-determine-loose-columns.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from spacing-determine-loose-columns.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from spacing-determine-loose-columns.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/spacing-options.dep; DEPENDENCIES_OUTPUT="./out/spacing-options.dep ./out/spacing-options.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spacing-options.o spacing-options.cc
rm -f ./out/spacing-spanner.dep; DEPENDENCIES_OUTPUT="./out/spacing-spanner.dep ./out/spacing-spanner.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spacing-spanner.o spacing-spanner.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spacing-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/span-arpeggio-engraver.dep; DEPENDENCIES_OUTPUT="./out/span-arpeggio-engraver.dep ./out/span-arpeggio-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/span-arpeggio-engraver.o span-arpeggio-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-interface.hh:19,
                 from spacing-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spacing-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spacing-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spacing-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spacing-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-interface.hh:19,
                 from spacing-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-interface.hh:19,
                 from spacing-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-interface.hh:19,
                 from spacing-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-interface.hh:19,
                 from spacing-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from span-arpeggio-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from span-arpeggio-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from span-arpeggio-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from span-arpeggio-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/span-bar-engraver.dep; DEPENDENCIES_OUTPUT="./out/span-bar-engraver.dep ./out/span-bar-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/span-bar-engraver.o span-bar-engraver.cc
rm -f ./out/span-bar-stub-engraver.dep; DEPENDENCIES_OUTPUT="./out/span-bar-stub-engraver.dep ./out/span-bar-stub-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/span-bar-stub-engraver.o span-bar-stub-engraver.cc
rm -f ./out/spanner-break-forbid-engraver.dep; DEPENDENCIES_OUTPUT="./out/spanner-break-forbid-engraver.dep ./out/spanner-break-forbid-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spanner-break-forbid-engraver.o spanner-break-forbid-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from span-arpeggio-engraver.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from spacing-loose-columns.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from spacing-loose-columns.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from spacing-loose-columns.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from spacing-loose-columns.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from spacing-loose-columns.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from spacing-loose-columns.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from spacing-loose-columns.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from spacing-loose-columns.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from spacing-loose-columns.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-options.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-options.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-options.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-options.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-options.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-options.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-options.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-options.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-options.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from span-arpeggio-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from span-arpeggio-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from span-arpeggio-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from span-arpeggio-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
spacing-loose-columns.cc: In function 'void set_loose_columns(System*, const Column_x_positions*)':
spacing-loose-columns.cc:36:49: warning: conversion to 'int' from 'std::vector<Grob*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int loose_col_count = posns->loose_cols_.size ();
                         ~~~~~~~~~~~~~~~~~~~~~~~~^~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spanner-break-forbid-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spanner-break-forbid-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spanner-break-forbid-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spanner-break-forbid-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-spanner.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-spanner.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/spacing-spanner.hh:26,
                 from spacing-spanner.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/spanner-scheme.dep; DEPENDENCIES_OUTPUT="./out/spanner-scheme.dep ./out/spanner-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spanner-scheme.o spanner-scheme.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from span-bar-stub-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from span-bar-stub-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from span-bar-stub-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from span-bar-stub-engraver.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/spanner.dep; DEPENDENCIES_OUTPUT="./out/spanner.dep ./out/spanner.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spanner.o spanner.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from span-bar-stub-engraver.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from span-bar-stub-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from span-bar-stub-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from span-bar-stub-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/align-interface.hh:25,
                 from span-bar-stub-engraver.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spanner-break-forbid-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/spring-smob.dep; DEPENDENCIES_OUTPUT="./out/spring-smob.dep ./out/spring-smob.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spring-smob.o spring-smob.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spanner-break-forbid-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spanner-break-forbid-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spanner-break-forbid-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from span-bar-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from spanner-break-forbid-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from span-bar-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from span-bar-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from span-bar-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from span-bar-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/spring.dep; DEPENDENCIES_OUTPUT="./out/spring.dep ./out/spring.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/spring.o spring.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
rm -f ./out/staff-collecting-engraver.dep; DEPENDENCIES_OUTPUT="./out/staff-collecting-engraver.dep ./out/staff-collecting-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/staff-collecting-engraver.o staff-collecting-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from span-bar-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from span-bar-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from span-bar-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from span-bar-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from spanner.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
span-bar-engraver.cc: In member function 'void Span_bar_engraver::acknowledge_bar_line(Grob_info)':
span-bar-engraver.cc:55:45: warning: conversion to 'int' from 'std::vector<Context*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int depth = i.origin_contexts (this).size ();
               ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from spanner-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from spanner-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from spanner-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from spanner-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from spanner-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/item.hh:22,
                 from span-bar-engraver.cc:20:
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring-smob.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/staff-grouper-interface.dep; DEPENDENCIES_OUTPUT="./out/staff-grouper-interface.dep ./out/staff-grouper-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/staff-grouper-interface.o staff-grouper-interface.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring-smob.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from spanner.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from spanner-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from spanner-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from spanner-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from spanner-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring-smob.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from spanner.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
spring-smob.cc: In static member function 'static scm_unused_struct* Spring::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
spring-smob.cc:24:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Spring);
 ^~~~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-collecting-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-collecting-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-collecting-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-collecting-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-collecting-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/staff-performer.dep; DEPENDENCIES_OUTPUT="./out/staff-performer.dep ./out/staff-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/staff-performer.o staff-performer.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/staff-spacing.dep; DEPENDENCIES_OUTPUT="./out/staff-spacing.dep ./out/staff-spacing.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/staff-spacing.o staff-spacing.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-collecting-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-collecting-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-collecting-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-collecting-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/staff-symbol-engraver.dep; DEPENDENCIES_OUTPUT="./out/staff-symbol-engraver.dep ./out/staff-symbol-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/staff-symbol-engraver.o staff-symbol-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/staff-grouper-interface.hh:23,
                 from staff-grouper-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/staff-grouper-interface.hh:23,
                 from staff-grouper-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/staff-grouper-interface.hh:23,
                 from staff-grouper-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/staff-grouper-interface.hh:23,
                 from staff-grouper-interface.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/staff-grouper-interface.hh:23,
                 from staff-grouper-interface.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/spring.hh:24,
                 from spring.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/staff-symbol-referencer-scheme.dep; DEPENDENCIES_OUTPUT="./out/staff-symbol-referencer-scheme.dep ./out/staff-symbol-referencer-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/staff-symbol-referencer-scheme.o staff-symbol-referencer-scheme.cc
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/staff-symbol-referencer.dep; DEPENDENCIES_OUTPUT="./out/staff-symbol-referencer.dep ./out/staff-symbol-referencer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/staff-symbol-referencer.o staff-symbol-referencer.cc
rm -f ./out/staff-symbol.dep; DEPENDENCIES_OUTPUT="./out/staff-symbol.dep ./out/staff-symbol.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/staff-symbol.o staff-symbol.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/staff-grouper-interface.hh:23,
                 from staff-grouper-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/staff-grouper-interface.hh:23,
                 from staff-grouper-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/staff-grouper-interface.hh:23,
                 from staff-grouper-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/staff-grouper-interface.hh:23,
                 from staff-grouper-interface.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from staff-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from staff-symbol-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from staff-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from staff-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from staff-symbol-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from staff-symbol-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from staff-spacing.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from staff-symbol-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from staff-spacing.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/stanza-number-align-engraver.dep; DEPENDENCIES_OUTPUT="./out/stanza-number-align-engraver.dep ./out/stanza-number-align-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stanza-number-align-engraver.o stanza-number-align-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from staff-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from staff-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from staff-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-spacing.hh:24,
                 from staff-spacing.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from staff-performer.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from staff-performer.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from staff-performer.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from staff-performer.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from staff-performer.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/stanza-number-engraver.dep; DEPENDENCIES_OUTPUT="./out/stanza-number-engraver.dep ./out/stanza-number-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stanza-number-engraver.o stanza-number-engraver.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from staff-performer.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from staff-performer.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from staff-performer.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-column.hh:24,
                 from staff-performer.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from staff-symbol-referencer-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from staff-symbol-referencer-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from staff-symbol-referencer-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from staff-symbol-referencer-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from staff-symbol-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from staff-symbol-referencer-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol-referencer.hh:23,
                 from staff-symbol-referencer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol-referencer.hh:23,
                 from staff-symbol-referencer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol-referencer.hh:23,
                 from staff-symbol-referencer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol-referencer.hh:23,
                 from staff-symbol-referencer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-symbol.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-symbol.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-symbol.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-symbol.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
staff-performer.cc: In member function 'int Staff_performer::get_channel(const string&)':
staff-performer.cc:288:17: warning: conversion to 'int' from 'std::map<std::__cxx11::basic_string<char>, int>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int channel = (channel_mapping == ly_symbol2scm ("staff"))
                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                 ? channel_count_++
                 ^~~~~~~~~~~~~~~~~~
                 : channel_map.size ();
                 ~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-symbol.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from staff-symbol-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from staff-symbol-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from staff-symbol-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from staff-symbol-referencer-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from staff-symbol-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from staff-symbol-referencer-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from staff-symbol-referencer-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from staff-symbol-referencer-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from stanza-number-align-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from stanza-number-align-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from stanza-number-align-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from stanza-number-align-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stanza-number-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stanza-number-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stanza-number-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stanza-number-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-symbol.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-symbol.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-symbol.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol.hh:24,
                 from staff-symbol.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/stem-engraver.dep; DEPENDENCIES_OUTPUT="./out/stem-engraver.dep ./out/stem-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stem-engraver.o stem-engraver.cc
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
staff-symbol.cc: In static member function 'static std::vector<double> Staff_symbol::line_positions(Grob*)':
staff-symbol.cc:106:36: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
       int line_count = scm_ilength (line_positions);
                        ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
staff-symbol.cc: In static member function 'static int Staff_symbol::line_count(Grob*)':
staff-symbol.cc:250:24: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
     return scm_ilength (line_positions);
            ~~~~~~~~~~~~^~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol-referencer.hh:23,
                 from staff-symbol-referencer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from stanza-number-align-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol-referencer.hh:23,
                 from staff-symbol-referencer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol-referencer.hh:23,
                 from staff-symbol-referencer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol-referencer.hh:23,
                 from staff-symbol-referencer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/staff-symbol-referencer.hh:23,
                 from staff-symbol-referencer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/stem-tremolo.dep; DEPENDENCIES_OUTPUT="./out/stem-tremolo.dep ./out/stem-tremolo.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stem-tremolo.o stem-tremolo.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from stanza-number-align-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from stanza-number-align-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from stanza-number-align-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from stanza-number-align-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stanza-number-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/stem.dep; DEPENDENCIES_OUTPUT="./out/stem.dep ./out/stem.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stem.o stem.cc
rm -f ./out/stencil-expression.dep; DEPENDENCIES_OUTPUT="./out/stencil-expression.dep ./out/stencil-expression.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stencil-expression.o stencil-expression.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stanza-number-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stanza-number-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stanza-number-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stanza-number-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stem-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stem-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stem-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stem-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/stencil-integral.dep; DEPENDENCIES_OUTPUT="./out/stencil-integral.dep ./out/stencil-integral.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stencil-integral.o stencil-integral.cc
rm -f ./out/stencil-interpret.dep; DEPENDENCIES_OUTPUT="./out/stencil-interpret.dep ./out/stencil-interpret.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stencil-interpret.o stencil-interpret.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stem-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/stencil-scheme.dep; DEPENDENCIES_OUTPUT="./out/stencil-scheme.dep ./out/stencil-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stencil-scheme.o stencil-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem-tremolo.hh:24,
                 from stem-tremolo.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem-tremolo.hh:24,
                 from stem-tremolo.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem-tremolo.hh:24,
                 from stem-tremolo.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem-tremolo.hh:24,
                 from stem-tremolo.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem-tremolo.hh:24,
                 from stem-tremolo.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stem-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stem-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stem-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from stem-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
rm -f ./out/stencil.dep; DEPENDENCIES_OUTPUT="./out/stencil.dep ./out/stencil.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stencil.o stencil.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem-tremolo.hh:24,
                 from stem-tremolo.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem-tremolo.hh:24,
                 from stem-tremolo.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem-tremolo.hh:24,
                 from stem-tremolo.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem-tremolo.hh:24,
                 from stem-tremolo.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
stem-tremolo.cc: In static member function 'static Stencil Stem_tremolo::raw_stencil(Grob*, Real, Direction)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
stem-tremolo.cc:112:8: note: in expansion of macro 'scm_is_symbol'
   if (!scm_is_symbol (style))
        ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from stem.cc:40:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from stem.cc:40:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from stem.cc:40:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from stem.cc:40:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from stem.cc:40:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from stem.cc:40:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from stem.cc:40:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from stem.cc:40:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/stem.hh:26,
                 from stem.cc:40:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
stem.cc: In static member function 'static int Stem::get_beaming(Grob*, Direction)':
stem.cc:94:25: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   int len = scm_ilength (lst);
             ~~~~~~~~~~~~^~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-expression.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-expression.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-expression.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-expression.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-expression.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-interpret.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-interpret.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-interpret.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-interpret.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-interpret.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-expression.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-expression.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-expression.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-expression.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/stream-event-scheme.dep; DEPENDENCIES_OUTPUT="./out/stream-event-scheme.dep ./out/stream-event-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stream-event-scheme.o stream-event-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-interpret.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-interpret.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-interpret.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-interpret.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil-interpret.cc:20:
stencil-interpret.cc: In function 'void interpret_stencil_expression(SCM, scm_unused_struct* (*)(void*, SCM), void*, Offset)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
stencil-interpret.cc:64:15: note: in expansion of macro 'scm_is_true'
           if (scm_is_true (link))
               ^~~~~~~~~~~
rm -f ./out/stream-event.dep; DEPENDENCIES_OUTPUT="./out/stream-event.dep ./out/stream-event.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/stream-event.o stream-event.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from stencil-integral.cc:38:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from stencil-integral.cc:38:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from stencil-integral.cc:38:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from stencil-integral.cc:38:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from stencil-integral.cc:38:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
rm -f ./out/sustain-pedal.dep; DEPENDENCIES_OUTPUT="./out/sustain-pedal.dep ./out/sustain-pedal.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/sustain-pedal.o sustain-pedal.cc
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from stencil-integral.cc:38:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from stencil-integral.cc:38:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from stencil-integral.cc:38:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from stencil-integral.cc:38:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
stencil.cc: In static member function 'static scm_unused_struct* Stencil::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
stencil.cc:57:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Stencil);
 ^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from stencil.cc:20:
stencil.cc: In member function 'void Stencil::translate(Offset)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
stencil.cc:181:8: note: in expansion of macro 'scm_is_null'
   if (!scm_is_null (expr_))
        ^~~~~~~~~~~
stencil.cc: In member function 'void Stencil::add_stencil(const Stencil&)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
stencil.cc:212:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (expr_))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
stencil.cc:214:12: note: in expansion of macro 'scm_is_null'
   else if (scm_is_null (s.expr_))
            ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
stencil.cc:217:10: note: in expansion of macro 'scm_is_eq'
       && scm_is_eq (cs, scm_car (expr_)))
          ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
stencil.cc:220:14: note: in expansion of macro 'scm_is_eq'
           && scm_is_eq (cs, scm_car (s.expr_)))
              ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
stencil.cc:228:14: note: in expansion of macro 'scm_is_eq'
           && scm_is_eq (cs, scm_car (s.expr_)))
              ^~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/system-start-delimiter-engraver.dep; DEPENDENCIES_OUTPUT="./out/system-start-delimiter-engraver.dep ./out/system-start-delimiter-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/system-start-delimiter-engraver.o system-start-delimiter-engraver.cc
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from stencil-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from stencil-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from stencil-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from stencil-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from stencil-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
stencil-integral.cc: In function 'void make_draw_line_boxes(std::vector<Box>&, std::vector<Drul_array<Offset> >&, PangoMatrix, SCM, bool)':
stencil-integral.cc:222:58: warning: conversion to 'Real {aka double}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
               Offset pt (linear_map (x0, x1, 0, passes, i),
                                                          ^
stencil-integral.cc:222:58: warning: conversion to 'Real {aka double}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
stencil-integral.cc:223:58: warning: conversion to 'Real {aka double}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                          linear_map (y0, y1, 0, passes, i));
                                                          ^
stencil-integral.cc:223:58: warning: conversion to 'Real {aka double}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
stencil-integral.cc: In function 'void make_partial_ellipse_boxes(std::vector<Box>&, std::vector<Drul_array<Offset> >&, PangoMatrix, SCM)':
stencil-integral.cc:294:64: warning: conversion to 'Real {aka double}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           Real ang = linear_map (start, end, 0, quantization, i);
                                                                ^
stencil-integral.cc: In function 'void make_draw_bezier_boxes(std::vector<Box>&, std::vector<Drul_array<Offset> >&, PangoMatrix, SCM)':
stencil-integral.cc:457:26: warning: conversion to 'double' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
           Real pt = (i * 1.0) / quantization;
                          ^~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from stencil-integral.cc:38:
stencil-integral.cc: In function 'std::vector<Transform_matrix_and_expression> stencil_traverser(PangoMatrix, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
stencil-integral.cc:909:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (expr))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from stencil-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from stencil-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from stencil-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from stencil-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from stencil-scheme.cc:20:
stencil-scheme.cc: In function 'scm_unused_struct* ly_stencil_empty_p(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
stencil-scheme.cc:98:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP (axis))
       ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
stencil-scheme.cc: In function 'scm_unused_struct* ly_stencil_stack(SCM, SCM, SCM, SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
stencil-scheme.cc:180:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (mindist))
        ^~~~~~~~~~
stencil-scheme.cc: In function 'scm_unused_struct* ly_stencil_add(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/discouraged.h:157:24: note: in expansion of macro 'scm_is_null'
 #define SCM_NULLP(x)  (scm_is_null (x))
                        ^~~~~~~~~~~
stencil-scheme.cc:211:11: note: in expansion of macro 'SCM_NULLP'
   while (!SCM_NULLP (args))
           ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
stencil-scheme.cc:218:39: note: in expansion of macro 'scm_is_eq'
       if (scm_is_pair (s->expr ()) && scm_is_eq (cs, s->expr ()))
                                       ^~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from system-start-delimiter-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from system-start-delimiter-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from system-start-delimiter-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from system-start-delimiter-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/stream-event.hh:24,
                 from stream-event.cc:20:
stream-event.cc: In member function 'void Stream_event::make_transposable()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
stream-event.cc:94:14: note: in expansion of macro 'scm_is_false'
           && scm_is_false (scm_assq (prop, mutable_property_alist_)))
              ^~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/system-start-delimiter.dep; DEPENDENCIES_OUTPUT="./out/system-start-delimiter.dep ./out/system-start-delimiter.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/system-start-delimiter.o system-start-delimiter.cc
rm -f ./out/system.dep; DEPENDENCIES_OUTPUT="./out/system.dep ./out/system.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/system.o system.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from sustain-pedal.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from sustain-pedal.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from sustain-pedal.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from sustain-pedal.cc:19:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from sustain-pedal.cc:19:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from system-start-delimiter-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from sustain-pedal.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from sustain-pedal.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from sustain-pedal.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from sustain-pedal.cc:19:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from system-start-delimiter-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from system-start-delimiter-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from system-start-delimiter-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from system-start-delimiter-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/tab-note-heads-engraver.dep; DEPENDENCIES_OUTPUT="./out/tab-note-heads-engraver.dep ./out/tab-note-heads-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tab-note-heads-engraver.o tab-note-heads-engraver.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/tab-staff-symbol-engraver.dep; DEPENDENCIES_OUTPUT="./out/tab-staff-symbol-engraver.dep ./out/tab-staff-symbol-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tab-staff-symbol-engraver.o tab-staff-symbol-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/system-start-delimiter.hh:24,
                 from system-start-delimiter.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/system-start-delimiter.hh:24,
                 from system-start-delimiter.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/system-start-delimiter.hh:24,
                 from system-start-delimiter.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/system-start-delimiter.hh:24,
                 from system-start-delimiter.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/system-start-delimiter.hh:24,
                 from system-start-delimiter.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/tab-tie-follow-engraver.dep; DEPENDENCIES_OUTPUT="./out/tab-tie-follow-engraver.dep ./out/tab-tie-follow-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tab-tie-follow-engraver.o tab-tie-follow-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-staff-symbol-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-staff-symbol-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-staff-symbol-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-staff-symbol-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/system-start-delimiter.hh:24,
                 from system-start-delimiter.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/system-start-delimiter.hh:24,
                 from system-start-delimiter.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/system-start-delimiter.hh:24,
                 from system-start-delimiter.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/system-start-delimiter.hh:24,
                 from system-start-delimiter.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
rm -f ./out/template5.dep; DEPENDENCIES_OUTPUT="./out/template5.dep ./out/template5.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/template5.o template5.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-tie-follow-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-tie-follow-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-tie-follow-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-tie-follow-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from system.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from system.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from system.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-note-heads-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from system.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-note-heads-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-note-heads-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-note-heads-engraver.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from system.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from system.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from system.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from system.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/grob.hh:23,
                 from ./include/spanner.hh:23,
                 from ./include/system.hh:24,
                 from system.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from template5.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from template5.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from template5.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from template5.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-tie-follow-engraver.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-note-heads-engraver.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/spring.hh: In static member function 'static Spring* Spring::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/spring.hh:38:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Spring);
   ^~~~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh: In static member function 'static Simple_spacer* Simple_spacer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/simple-spacer.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Simple_spacer);
   ^~~~~~~~~~~~~~~~~~~~
./include/music-output.hh: In static member function 'static Music_output* Music_output::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-output.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_output);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-tie-follow-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-tie-follow-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-tie-follow-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-tie-follow-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
system.cc: In member function 'int System::element_count() const':
system.cc:79:30: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   return all_elements_->size ();
          ~~~~~~~~~~~~~~~~~~~~^~
system.cc: In member function 'void System::do_break_substitution_and_fixup_refpoints()':
system.cc:170:31: warning: conversion to 'int' from 'std::vector<Grob*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
       count += all_elts.size ();
                               ^
system.cc: In member function 'scm_unused_struct* System::get_paper_systems()':
system.cc:223:47: warning: conversion to 'scm_t_int32 {aka int}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       scm_vector_set_x (lines, scm_from_int (i),
                                               ^
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
system.cc: In member function 'void System::break_into_pieces(const std::vector<Column_x_positions>&)':
system.cc:445:42: warning: conversion to 'int' from 'std::vector<Spanner*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
       system->rank_ = broken_intos_.size ();
                       ~~~~~~~~~~~~~~~~~~~^~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
system.cc: In member function 'void System::add_column(Paper_column*)':
system.cc:500:25: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   p->set_rank (ga->size ());
                ~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-note-heads-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-note-heads-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-note-heads-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-note-heads-engraver.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
system.cc: In member function 'std::vector<Grob*> System::used_columns() const':
system.cc:706:40: warning: conversion to 'int' from 'std::vector<Grob*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int last_breakable = ro_columns.size ();
                        ~~~~~~~~~~~~~~~~^~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
system.cc: In member function 'Interval System::pure_refpoint_extent(vsize, vsize)':
system.cc:844:111: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   vector<Real> offsets = Align_interface::get_pure_minimum_translations (alignment, staves, Y_AXIS, start, end);
                                                                                                               ^
system.cc:844:111: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
system.cc: In member function 'Interval System::part_of_line_pure_height(vsize, vsize, bool)':
system.cc:871:111: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   vector<Real> offsets = Align_interface::get_pure_minimum_translations (alignment, staves, Y_AXIS, start, end);
                                                                                                               ^
system.cc:871:111: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
system.cc:877:88: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                     ? Axis_group_interface::begin_of_line_pure_height (staves[i], start)
                                                                                        ^
system.cc:878:92: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                     : Axis_group_interface::rest_of_line_pure_height (staves[i], start, end);
                                                                                            ^
system.cc:878:92: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
system.cc:885:91: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                             ? Axis_group_interface::begin_of_line_pure_height (this, start)
                                                                                           ^
system.cc:886:95: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                             : Axis_group_interface::rest_of_line_pure_height (this, start, end);
                                                                                               ^
system.cc:886:95: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-staff-symbol-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
tab-note-heads-engraver.cc: In member function 'void Tab_note_heads_engraver::process_music()':
tab-note-heads-engraver.cc:117:71: warning: conversion to 'scm_t_int32 {aka int}' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
         note_entry = scm_list_ref (string_fret_finger, scm_from_int (i));
                                                                       ^
rm -f ./out/tempo-performer.dep; DEPENDENCIES_OUTPUT="./out/tempo-performer.dep ./out/tempo-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tempo-performer.o tempo-performer.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from template5.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from template5.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from template5.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from template5.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from template5.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/text-engraver.dep; DEPENDENCIES_OUTPUT="./out/text-engraver.dep ./out/text-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/text-engraver.o text-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-staff-symbol-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-staff-symbol-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-staff-symbol-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-staff-symbol-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
tab-staff-symbol-engraver.cc: In member function 'void Tab_staff_symbol_engraver::acknowledge_staff_symbol(Grob_info)':
tab-staff-symbol-engraver.cc:34:23: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   int k = scm_ilength (get_property ("stringTunings"));
           ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tab-staff-symbol-engraver.cc:20:
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/text-interface.dep; DEPENDENCIES_OUTPUT="./out/text-interface.dep ./out/text-interface.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/text-interface.o text-interface.cc
rm -f ./out/text-spanner-engraver.dep; DEPENDENCIES_OUTPUT="./out/text-spanner-engraver.dep ./out/text-spanner-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/text-spanner-engraver.o text-spanner-engraver.cc
rm -f ./out/tie-column.dep; DEPENDENCIES_OUTPUT="./out/tie-column.dep ./out/tie-column.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tie-column.o tie-column.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tempo-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tempo-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tempo-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tempo-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tempo-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tempo-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tempo-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tempo-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tempo-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-spanner-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-spanner-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-spanner-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-spanner-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tie-column.hh:23,
                 from tie-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tie-column.hh:23,
                 from tie-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tie-column.hh:23,
                 from tie-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tie-column.hh:23,
                 from tie-column.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/tie-configuration.dep; DEPENDENCIES_OUTPUT="./out/tie-configuration.dep ./out/tie-configuration.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tie-configuration.o tie-configuration.cc
rm -f ./out/tie-details.dep; DEPENDENCIES_OUTPUT="./out/tie-details.dep ./out/tie-details.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tie-details.o tie-details.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/tie-engraver.dep; DEPENDENCIES_OUTPUT="./out/tie-engraver.dep ./out/tie-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tie-engraver.o tie-engraver.cc
rm -f ./out/tie-formatting-problem.dep; DEPENDENCIES_OUTPUT="./out/tie-formatting-problem.dep ./out/tie-formatting-problem.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tie-formatting-problem.o tie-formatting-problem.cc
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-spanner-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
text-engraver.cc: In member function 'void Text_engraver::process_music()':
text-engraver.cc:65:16: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       priority += i;
       ~~~~~~~~~^~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tie-column.hh:23,
                 from tie-column.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-spanner-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-spanner-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-spanner-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from text-spanner-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tie-column.hh:23,
                 from tie-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tie-column.hh:23,
                 from tie-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tie-column.hh:23,
                 from tie-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tie-column.hh:23,
                 from tie-column.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tie-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tie-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tie-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tie-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie-details.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie-details.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie-details.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie-details.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie-details.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/tie-performer.dep; DEPENDENCIES_OUTPUT="./out/tie-performer.dep ./out/tie-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tie-performer.o tie-performer.cc
rm -f ./out/tie-specification.dep; DEPENDENCIES_OUTPUT="./out/tie-specification.dep ./out/tie-specification.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tie-specification.o tie-specification.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-configuration.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-configuration.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-configuration.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-configuration.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-configuration.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-configuration.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-configuration.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-configuration.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-configuration.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh: In static member function 'static Skyline_pair* Skyline_pair::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline-pair.hh:30:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline_pair);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie-details.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie-details.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie-details.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie-details.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-formatting-problem.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-formatting-problem.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-formatting-problem.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-formatting-problem.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-formatting-problem.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tie-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
tie-configuration.cc: In member function 'std::__cxx11::string Ties_configuration::complete_tie_card(vsize) const':
tie-configuration.cc:173:50: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
        + (*this)[i].card () + (*this).tie_card (i);
                                                  ^
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-formatting-problem.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-formatting-problem.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-formatting-problem.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tie-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-formatting-problem.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tie-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tie-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tie-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
text-interface.cc: In function 'void replace_special_characters(std::__cxx11::string&, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
text-interface.cc:63:15: note: in expansion of macro 'scm_is_true'
           if (scm_is_true (ligature))
               ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
text-interface.cc: In static member function 'static scm_unused_struct* Text_interface::interpret_markup(SCM, SCM, SCM)':
text-interface.cc:124:28: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
           int slow = depth / 2;
                      ~~~~~~^~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
text-interface.cc:143:70: warning: format '%d' expects argument of type 'int', but argument 2 has type 'size_t {aka long unsigned int}' [-Wformat=]
                                "Markup: %s", max_depth, name.c_str ()));
                                                                      ^
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/stencil.hh:26,
                 from ./include/text-interface.hh:24,
                 from text-interface.cc:21:
text-interface.cc: In static member function 'static bool Text_interface::is_markup(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
text-interface.cc:180:12: note: in expansion of macro 'scm_is_true'
         && scm_is_true
            ^~~~~~~~~~~
text-interface.cc: In static member function 'static bool Text_interface::is_markup_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
text-interface.cc:192:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_call_1 (music_list_p, x));
          ^~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/tie.dep; DEPENDENCIES_OUTPUT="./out/tie.dep ./out/tie.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tie.o tie.cc
rm -f ./out/time-signature-engraver.dep; DEPENDENCIES_OUTPUT="./out/time-signature-engraver.dep ./out/time-signature-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/time-signature-engraver.o time-signature-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-specification.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-specification.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-specification.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-specification.cc:1:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-specification.cc:1:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
rm -f ./out/time-signature-performer.dep; DEPENDENCIES_OUTPUT="./out/time-signature-performer.dep ./out/time-signature-performer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/time-signature-performer.o time-signature-performer.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-specification.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-specification.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-specification.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie-formatting-problem.hh:24,
                 from tie-specification.cc:1:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
tie-formatting-problem.cc: In member function 'void Tie_formatting_problem::score_ties_aptitude(Ties_configuration*) const':
tie-formatting-problem.cc:788:28: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                     ties, i);
                            ^
tie-formatting-problem.cc: In member function 'void Tie_formatting_problem::score_ties_configuration(Ties_configuration*) const':
tie-formatting-problem.cc:808:60: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
       ties->add_tie_score (ties->at (i).score (), i, "conf");
                                                            ^
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
tie-formatting-problem.cc: In member function 'std::vector<Tie_configuration_variation> Tie_formatting_problem::generate_extremal_tie_variations(const Ties_configuration&) const':
tie-formatting-problem.cc:1047:47: warning: conversion to 'int' from 'std::vector<Tie_configuration>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
               var.add_suggestion ((d == DOWN) ? 0 : ties.size () - 1,
                                   ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
tie-formatting-problem.cc:1056:44: warning: conversion to 'int' from 'std::vector<Tie_configuration>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
           var.add_suggestion (ties.size () - 1, configs[UP]);
                               ~~~~~~~~~~~~~^~~
tie-formatting-problem.cc: In member function 'std::vector<Tie_configuration_variation> Tie_formatting_problem::generate_collision_variations(const Ties_configuration&) const':
tie-formatting-problem.cc:1124:58: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                                                         ));
                                                          ^
tie-formatting-problem.cc:1132:41: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   var.add_suggestion (i - 1,
                                       ~~^~~
tie-formatting-problem.cc:1146:41: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                   var.add_suggestion (i - 1,
                                       ~~^~~
tie-formatting-problem.cc:1162:58: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                                                         ));
                                                          ^
tie-formatting-problem.cc:1175:54: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
                                                     ));
                                                      ^
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tie-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tie-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tie-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tie-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tie-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tie-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tie-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tie-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/performer.hh:25,
                 from tie-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from time-signature-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from time-signature-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from time-signature-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from time-signature-performer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/time-signature.dep; DEPENDENCIES_OUTPUT="./out/time-signature.dep ./out/time-signature.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/time-signature.o time-signature.cc
rm -f ./out/timing-translator.dep; DEPENDENCIES_OUTPUT="./out/timing-translator.dep ./out/timing-translator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/timing-translator.o timing-translator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/skyline.hh:25,
                 from ./include/tie.hh:24,
                 from tie.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from time-signature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from time-signature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from time-signature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from time-signature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/translator-ctors.dep; DEPENDENCIES_OUTPUT="./out/translator-ctors.dep ./out/translator-ctors.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/translator-ctors.o translator-ctors.cc
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from time-signature-performer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/timing-translator.hh:23,
                 from timing-translator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/timing-translator.hh:23,
                 from timing-translator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/timing-translator.hh:23,
                 from timing-translator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/timing-translator.hh:23,
                 from timing-translator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/translator-dispatch-list.dep; DEPENDENCIES_OUTPUT="./out/translator-dispatch-list.dep ./out/translator-dispatch-list.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/translator-dispatch-list.o translator-dispatch-list.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from time-signature-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from time-signature-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from time-signature-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/audio-item.hh:24,
                 from time-signature-performer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/translator-group-ctors.dep; DEPENDENCIES_OUTPUT="./out/translator-group-ctors.dep ./out/translator-group-ctors.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/translator-group-ctors.o translator-group-ctors.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/time-signature.hh:23,
                 from time-signature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from time-signature-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/time-signature.hh:23,
                 from time-signature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/time-signature.hh:23,
                 from time-signature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/time-signature.hh:23,
                 from time-signature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from time-signature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from time-signature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from time-signature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from time-signature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/timing-translator.hh:23,
                 from timing-translator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/translator-group.dep; DEPENDENCIES_OUTPUT="./out/translator-group.dep ./out/translator-group.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/translator-group.o translator-group.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator-ctors.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator-ctors.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator-ctors.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator-ctors.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/time-signature.hh:23,
                 from time-signature.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/timing-translator.hh:23,
                 from timing-translator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator-ctors.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/timing-translator.hh:23,
                 from timing-translator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/timing-translator.hh:23,
                 from timing-translator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/timing-translator.hh:23,
                 from timing-translator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/time-signature.hh:23,
                 from time-signature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/time-signature.hh:23,
                 from time-signature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/time-signature.hh:23,
                 from time-signature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/time-signature.hh:23,
                 from time-signature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator-ctors.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator-ctors.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator-ctors.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator-ctors.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from translator-group-ctors.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from translator-group-ctors.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from translator-group-ctors.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from translator-group-ctors.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/translator-scheme.dep; DEPENDENCIES_OUTPUT="./out/translator-scheme.dep ./out/translator-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/translator-scheme.o translator-scheme.cc
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
time-signature.cc: In static member function 'static scm_unused_struct* Time_signature::print(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
time-signature.cc:53:12: note: in expansion of macro 'scm_is_symbol'
   else if (scm_is_symbol (st))
            ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from translator-group.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from translator-group.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from translator-group.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from translator-group.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from translator-group-ctors.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/translator.dep; DEPENDENCIES_OUTPUT="./out/translator.dep ./out/translator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/translator.o translator.cc
rm -f ./out/trill-spanner-engraver.dep; DEPENDENCIES_OUTPUT="./out/trill-spanner-engraver.dep ./out/trill-spanner-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/trill-spanner-engraver.o trill-spanner-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from translator-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from translator-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from translator-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from translator-scheme.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/ttf.dep; DEPENDENCIES_OUTPUT="./out/ttf.dep ./out/ttf.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/ttf.o ttf.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from translator-group-ctors.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from translator-group-ctors.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from translator-group-ctors.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/engraver-group.hh:23,
                 from ./include/score-engraver.hh:23,
                 from translator-group-ctors.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/translator-dispatch-list.hh:25,
                 from translator-dispatch-list.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from translator-group.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/translator-dispatch-list.hh:25,
                 from translator-dispatch-list.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/translator-dispatch-list.hh:25,
                 from translator-dispatch-list.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/translator-dispatch-list.hh:25,
                 from translator-dispatch-list.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/translator-dispatch-list.hh:25,
                 from translator-dispatch-list.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/translator-dispatch-list.hh:25,
                 from translator-dispatch-list.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/translator-dispatch-list.hh:25,
                 from translator-dispatch-list.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/translator-dispatch-list.hh:25,
                 from translator-dispatch-list.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/translator-dispatch-list.hh:25,
                 from translator-dispatch-list.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/tuplet-bracket.dep; DEPENDENCIES_OUTPUT="./out/tuplet-bracket.dep ./out/tuplet-bracket.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tuplet-bracket.o tuplet-bracket.cc
./include/translator-dispatch-list.hh: In static member function 'static Engraver_dispatch_list* Engraver_dispatch_list::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/translator-dispatch-list.hh:41:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Engraver_dispatch_list);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
translator-dispatch-list.cc: In static member function 'static scm_unused_struct* Engraver_dispatch_list::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
translator-dispatch-list.cc:91:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Engraver_dispatch_list);
 ^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from trill-spanner-engraver.cc:27:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from trill-spanner-engraver.cc:27:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from trill-spanner-engraver.cc:27:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from trill-spanner-engraver.cc:27:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from translator-group.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from translator-group.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from translator-group.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/listener.hh:64,
                 from ./include/translator-group.hh:23,
                 from translator-group.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
translator-group.cc: In static member function 'static scm_unused_struct* Translator_group::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
translator-group.cc:348:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Translator_group);
 ^~~~~~~~~~~~~~~
rm -f ./out/tuplet-engraver.dep; DEPENDENCIES_OUTPUT="./out/tuplet-engraver.dep ./out/tuplet-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tuplet-engraver.o tuplet-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from trill-spanner-engraver.cc:27:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/tuplet-iterator.dep; DEPENDENCIES_OUTPUT="./out/tuplet-iterator.dep ./out/tuplet-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tuplet-iterator.o tuplet-iterator.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/translator.hh:26,
                 from translator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from trill-spanner-engraver.cc:27:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from trill-spanner-engraver.cc:27:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from trill-spanner-engraver.cc:27:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from trill-spanner-engraver.cc:27:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from ttf.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from ttf.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from ttf.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from ttf.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from ttf.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from translator-scheme.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
              
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
                     ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/dispatcher.hh: In static member function 'static Dispatcher* Dispatcher::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/dispatcher.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Dispatcher);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
translator.cc: In static member function 'static scm_unused_struct* Translator::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
translator.cc:223:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Translator);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from ttf.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from ttf.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from ttf.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/freetype.hh:28,
                 from ttf.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from translator-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from translator-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from translator-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from translator-scheme.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from tuplet-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from tuplet-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from tuplet-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from tuplet-iterator.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
ttf.cc: In function 'void print_header(void*, FT_Face)':
ttf.cc:88:28: warning: conversion to 'double' from 'FT_Fixed {aka long int}' may alter its value [-Wconversion]
                        ht->Font_Revision / 65536.0);
                        ~~~~^~~~~~~~~~~~~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/translator-group.hh: In static member function 'static Translator_group* Translator_group::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator-group.hh:66:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator_group);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-bracket.cc:43:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-bracket.cc:43:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-bracket.cc:43:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-bracket.cc:43:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-bracket.cc:43:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-bracket.cc:43:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-bracket.cc:43:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-bracket.cc:43:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-bracket.cc:43:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/tuplet-number.dep; DEPENDENCIES_OUTPUT="./out/tuplet-number.dep ./out/tuplet-number.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tuplet-number.o tuplet-number.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/tweak-engraver.dep; DEPENDENCIES_OUTPUT="./out/tweak-engraver.dep ./out/tweak-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/tweak-engraver.o tweak-engraver.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from tuplet-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from tuplet-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from tuplet-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #definclude/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15ine SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from tuplet-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from tuplet-iterator.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from tuplet-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from tuplet-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from tuplet-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from tuplet-iterator.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/undead.dep; DEPENDENCIES_OUTPUT="./out/undead.dep ./out/undead.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/undead.o undead.cc
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from tuplet-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from tuplet-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from tuplet-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from tuplet-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/beam.hh:24,
                 from tuplet-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from undead.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from undead.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from undead.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from undead.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
rm -f ./out/unfolded-repeat-iterator.dep; DEPENDENCIES_OUTPUT="./out/unfolded-repeat-iterator.dep ./out/unfolded-repeat-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/unfolded-repeat-iterator.o unfolded-repeat-iterator.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from undead.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
rm -f ./out/unpure-pure-container.dep; DEPENDENCIES_OUTPUT="./out/unpure-pure-container.dep ./out/unpure-pure-container.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/unpure-pure-container.o unpure-pure-container.cc
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from unfolded-repeat-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from unfolded-repeat-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from unfolded-repeat-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from unfolded-repeat-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
tweak-engraver.cc: In member function 'virtual void Tweak_engraver::acknowledge_grob(Grob_info)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
tweak-engraver.cc:60:19: note: in expansion of macro 'scm_is_symbol'
               if (scm_is_symbol (scm_caaar (s)))
                   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
tweak-engraver.cc:62:23: note: in expansion of macro 'SCM_UNBNDP'
                   if (SCM_UNBNDP (grobname))
                       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
tweak-engraver.cc:65:23: note: in expansion of macro 'scm_is_eq'
                   if (scm_is_eq (scm_caaar (s), grobname))
                       ^~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from tweak-engraver.cc:21:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
tweak-engraver.cc:67:27: note: in expansion of macro 'scm_is_symbol'
                       if (scm_is_symbol (scm_cdaar (s)))
                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from undead.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from undead.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from undead.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from undead.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
undead.cc: In static member function 'static Undead* Undead::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
undead.cc:25:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Undead);
   ^~~~~~~~~~~~~~~~~~~~
undead.cc: In static member function 'static scm_unused_struct* Undead::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:81:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL);                                            \
   ^~~~~~~~~~~~~~~~~~~~
undead.cc:53:1: note: in expansion of macro 'IMPLEMENT_SIMPLE_SMOBS'
 IMPLEMENT_SIMPLE_SMOBS (Undead);
 ^~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from undead.cc:20:
undead.cc: In static member function 'static scm_unused_struct* parsed_dead::readout()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
undead.cc:92:12: note: in expansion of macro 'SCM_UNBNDP'
       if (!SCM_UNBNDP (elt))
            ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-number.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-number.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-number.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-number.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-number.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-number.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-number.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-number.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/tuplet-bracket.hh:25,
                 from tuplet-number.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/vaticana-ligature-engraver.dep; DEPENDENCIES_OUTPUT="./out/vaticana-ligature-engraver.dep ./out/vaticana-ligature-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/vaticana-ligature-engraver.o vaticana-ligature-engraver.cc
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/vaticana-ligature.dep; DEPENDENCIES_OUTPUT="./out/vaticana-ligature.dep ./out/vaticana-ligature.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/vaticana-ligature.o vaticana-ligature.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from unfolded-repeat-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/vertical-align-engraver.dep; DEPENDENCIES_OUTPUT="./out/vertical-align-engraver.dep ./out/vertical-align-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/vertical-align-engraver.o vertical-align-engraver.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from unfolded-repeat-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from unfolded-repeat-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from unfolded-repeat-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from unfolded-repeat-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/vaticana-ligature.hh:23,
                 from vaticana-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/vaticana-ligature.hh:23,
                 from vaticana-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/vaticana-ligature.hh:23,
                 from vaticana-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/vaticana-ligature.hh:23,
                 from vaticana-ligature.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/volta-bracket.dep; DEPENDENCIES_OUTPUT="./out/volta-bracket.dep ./out/volta-bracket.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/volta-bracket.o volta-bracket.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from vaticana-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from vaticana-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from vaticana-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from vaticana-ligature-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
unfolded-repeat-iterator.cc: In member function 'virtual scm_unused_struct* Unfolded_repeat_iterator::get_music_list() const':
unfolded-repeat-iterator.cc:40:31: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   int alt_count = scm_ilength (alts);
                   ~~~~~~~~~~~~^~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
rm -f ./out/volta-engraver.dep; DEPENDENCIES_OUTPUT="./out/volta-engraver.dep ./out/volta-engraver.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/volta-engraver.o volta-engraver.cc
rm -f ./out/volta-repeat-iterator.dep; DEPENDENCIES_OUTPUT="./out/volta-repeat-iterator.dep ./out/volta-repeat-iterator.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/volta-repeat-iterator.o volta-repeat-iterator.cc
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
unpure-pure-container.cc: In function 'bool is_unpure_pure_container(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
unpure-pure-container.cc:32:27: note: in expansion of macro 'SCM_CELL_TYPE'
   return (SCM_NIMP (s) && SCM_CELL_TYPE (s) == unpure_pure_container_tag);
                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
unpure-pure-container.cc: In function 'scm_unused_struct* unpure_pure_container_pure_part(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
unpure-pure-container.cc:48:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (res))
        ^~~~~~~~~~
unpure-pure-container.cc: In function 'scm_unused_struct* ly_make_unpure_pure_container(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
unpure-pure-container.cc:73:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP (pure) && !ly_is_procedure (unpure))
       ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:85:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/smob.h:62:64: note: in definition of macro 'SCM_NEWSMOB2'
   z = scm_double_cell ((tc), (scm_t_bits)(data1), (scm_t_bits)(data2), 0); \
                                                                ^~~~~
unpure-pure-container.cc:76:68: note: in expansion of macro 'SCM_UNPACK'
   SCM_NEWSMOB2 (z, unpure_pure_container_tag, SCM_UNPACK (unpure), SCM_UNPACK (pure));
                                                                    ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/unpure-pure-container.hh:23,
                 from unpure-pure-container.cc:20:
unpure-pure-container.cc: In function 'int print_unpure_pure_container(SCM, SCM, scm_print_state*)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
unpure-pure-container.cc:101:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (SCM_SMOB_OBJECT_2 (s)))
        ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/vaticana-ligature.hh:23,
                 from vaticana-ligature.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/warn-scheme.dep; DEPENDENCIES_OUTPUT="./out/warn-scheme.dep ./out/warn-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/warn-scheme.o warn-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/vaticana-ligature.hh:23,
                 from vaticana-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/vaticana-ligature.hh:23,
                 from vaticana-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/vaticana-ligature.hh:23,
                 from vaticana-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-interface.hh:23,
                 from ./include/vaticana-ligature.hh:23,
                 from vaticana-ligature.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from vaticana-ligature-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from volta-repeat-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from volta-repeat-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from volta-repeat-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from volta-repeat-iterator.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from vaticana-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from vaticana-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from vaticana-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from ./include/ligature-engraver.hh:23,
                 from ./include/coherent-ligature-engraver.hh:22,
                 from ./include/gregorian-ligature-engraver.hh:22,
                 from vaticana-ligature-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
/var/pkgsrc/work/print/lilypond/work/.tools/bin/flex -Cfe -p -p -oout/lexer.cc lexer.ll
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
rm -f ./out/parser.dep; DEPENDENCIES_OUTPUT="./out/parser.dep ./out/parser.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/parser.o out/parser.cc
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from warn-scheme.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from warn-scheme.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from warn-scheme.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
vertical-align-engraver.cc: In member function 'void Vertical_align_engraver::process_music()':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
vertical-align-engraver.cc:91:20: note: in expansion of macro 'scm_is_null'
   if (!valign_ && !scm_is_null (id_to_group_hashtab_))
                    ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from warn-scheme.cc:23:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
vertical-align-engraver.cc: In member function 'bool Vertical_align_engraver::qualifies(Grob_info) const':
vertical-align-engraver.cc:121:56: warning: conversion to 'int' from 'std::vector<Context*>::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int sz = i.origin_contexts ((Translator *)this).size ();
            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/context.hh:23,
                 from vertical-align-engraver.cc:20:
vertical-align-engraver.cc: In member function 'void Vertical_align_engraver::acknowledge_axis_group(Grob_info)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
vertical-align-engraver.cc:132:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (id_to_group_hashtab_))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from volta-bracket.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from volta-bracket.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from volta-bracket.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from volta-bracket.cc:24:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from volta-bracket.cc:24:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/general-scheme.dep; DEPENDENCIES_OUTPUT="./out/general-scheme.dep ./out/general-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/general-scheme.o general-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from volta-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from volta-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from volta-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from volta-engraver.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from volta-repeat-iterator.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from volta-bracket.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from volta-bracket.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from volta-bracket.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/box.hh:10,
                 from ./include/font-metric.hh:23,
                 from ./include/font-interface.hh:23,
                 from volta-bracket.cc:24:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/font-metric.hh: In static member function 'static Font_metric* Font_metric::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/font-metric.hh:57:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Font_metric);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from volta-repeat-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from volta-repeat-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from volta-repeat-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/music.hh:23,
                 from volta-repeat-iterator.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/music-iterator.hh: In static member function 'static Music_iterator* Music_iterator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/music-iterator.hh:68:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Music_iterator);
   ^~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from warn-scheme.cc:23:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from volta-engraver.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
rm -f ./out/lily-lexer-scheme.dep; DEPENDENCIES_OUTPUT="./out/lily-lexer-scheme.dep ./out/lily-lexer-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lily-lexer-scheme.o lily-lexer-scheme.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from warn-scheme.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from warn-scheme.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from warn-scheme.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from warn-scheme.cc:23:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from volta-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from volta-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from volta-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/grob-info.hh:23,
                 from ./include/engraver.hh:23,
                 from volta-engraver.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/translator.hh: In static member function 'static Translator* Translator::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/translator.hh:151:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Translator);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/lily-lexer.dep; DEPENDENCIES_OUTPUT="./out/lily-lexer.dep ./out/lily-lexer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lily-lexer.o lily-lexer.cc
./include/skyline.hh: In static member function 'static Skyline* Skyline::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/skyline.hh:65:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Skyline);
   ^~~~~~~~~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/grob-array.hh: In static member function 'static Grob_array* Grob_array::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/grob-array.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Grob_array);
   ^~~~~~~~~~~~~~~~~~~~
./include/grob.hh: In static member function 'static Grob* Grob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/grob.hh:33:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Grob);
   ^~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
rm -f ./out/lily-parser-scheme.dep; DEPENDENCIES_OUTPUT="./out/lily-parser-scheme.dep ./out/lily-parser-scheme.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lily-parser-scheme.o lily-parser-scheme.cc
rm -f ./out/lily-parser.dep; DEPENDENCIES_OUTPUT="./out/lily-parser.dep ./out/lily-parser.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lily-parser.o lily-parser.cc
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from general-scheme.cc:34:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from general-scheme.cc:34:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from general-scheme.cc:34:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/book.hh: In static member function 'static Book* Book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/book.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Book);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from general-scheme.cc:34:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from general-scheme.cc:34:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from general-scheme.cc:34:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from general-scheme.cc:34:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from general-scheme.cc:34:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from general-scheme.cc:34:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
general-scheme.cc: In function 'scm_unused_struct* ly_output_formats()':
general-scheme.cc:293:50: warning: conversion to 'int' from 'std::vector<std::__cxx11::basic_string<char> >::size_type {aka long unsigned int}' may alter its value [-Wconversion]
   int output_formats_count = output_formats.size ();
                              ~~~~~~~~~~~~~~~~~~~~^~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/context-mod.hh: In static member function 'static Context_mod* Context_mod::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/context-mod.hh:50:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Context_mod);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from general-scheme.cc:34:
general-scheme.cc: In function 'std::__cxx11::string format_single_argument(SCM, int, bool)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
general-scheme.cc:492:12: note: in expansion of macro 'scm_is_symbol'
   else if (scm_is_symbol (arg))
            ^~~~~~~~~~~~~
general-scheme.cc: In function 'scm_unused_struct* ly_spawn(SCM, SCM)':
general-scheme.cc:635:33: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
   int argc = scm_is_pair (rest) ? scm_ilength (rest) : 0;
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser-scheme.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser-scheme.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser-scheme.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser-scheme.cc:22:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
rm -f ./out/lexer.dep; DEPENDENCIES_OUTPUT="./out/lexer.dep ./out/lexer.o" c++ -c -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -Woverloaded-virtual -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/python2.7 -I/usr/pkg/include/python2.7 -fno-strict-aliasing -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -DNDEBUG -O2 -D_FORTIFY_SOURCE=2 -pthread -I/usr/include -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -DHAVE_CONFIG_H  -I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -O2 -D_FORTIFY_SOURCE=2 -I/usr/pkg/include -I/usr/include -I/usr/pkg/include/freetype2 -I/usr/pkg/include/glib-2.0 -I/usr/pkg/include/gio-unix-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz  -g -pipe -I/usr/pkg/guile/1.8/include -I/usr/pkg/include -I/usr/include  -pthread  -I/usr/pkg/include/freetype2  -I/usr/pkg/include/pango-1.0 -I/usr/pkg/include -I/usr/pkg/include/glib-2.0 -I/usr/pkg/lib/glib-2.0/include -I/usr/pkg/include/harfbuzz -I/usr/pkg/include/freetype2 -I/usr/pkg/include/fribidi -I/usr/pkg/include/cairo -I/usr/pkg/include/pixman-1 -I/usr/pkg/include/libpng16 -pthread -D_REENTRANT -D_REENTRANT   -W -Wall -Wconversion -o out/lexer.o out/lexer.cc
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh: In static member function 'static Lily_lexer* Lily_lexer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_lexer);
   ^~~~~~~~~~~~~
./include/lily-parser.hh: In static member function 'static Lily_parser* Lily_parser::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-parser.hh:35:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_parser);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/score.hh: In static member function 'static Score* Score::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/score.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Score);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
./out/parser.cc: In function 'void yy_symbol_value_print(FILE*, yysymbol_kind_t, scm_unused_struct* const*, const Input*, Lily_parser*, scm_unused_struct**)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
parser.yy:42:7: note: in expansion of macro 'scm_is_eq'
   if (scm_is_eq (value, SCM_UNSPECIFIED))   \
       ^~~~~~~~~
./out/parser.cc:2359:5: note: in expansion of macro 'YYPRINT'
     YYPRINT (yyo, yytoknum[yykind], *yyvaluep);
     ^~~~~~~
parser.yy: In function 'int yyparse(Lily_parser*, scm_unused_struct**)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
parser.yy:451:15: note: in expansion of macro 'scm_is_eq'
   } else if (!scm_is_eq ($1, SCM_UNSPECIFIED))
               ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
parser.yy:617:10: note: in expansion of macro 'scm_is_null'
       && scm_is_null (scm_cdr ($$)))
          ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:681:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP ($2))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
parser.yy:771:15: note: in expansion of macro 'scm_is_eq'
   } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
               ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
parser.yy:841:15: note: in expansion of macro 'scm_is_eq'
   } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
               ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
parser.yy:1116:7: note: in expansion of macro 'scm_is_eq'
   if (scm_is_eq ($1, SCM_UNSPECIFIED))
       ^~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1127:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (LYRIC_ELEMENT, $1, @1);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1251:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP ($2))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1359:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, n)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1435:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP ($$)) {
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1455:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1494:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (res))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1499:12: note: in expansion of macro 'scm_is_true'
   else if (scm_is_true
            ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1511:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (res))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1516:12: note: in expansion of macro 'scm_is_true'
   else if (scm_is_true
            ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1527:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1529:12: note: in expansion of macro 'scm_is_true'
   else if (scm_is_true
            ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1540:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1544:8: note: in expansion of macro 'SCM_UNBNDP'
    if (SCM_UNBNDP (d) || scm_is_false (scm_call_1 ($2, d)))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1566:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1571:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (SCM_ARG, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1579:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1585:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (REPEAT_IDENTIFIER, scm_cons ($5, $6), @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1590:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1596:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (CHORD_BODY_IDENTIFIER, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1601:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1606:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (EVENT_IDENTIFIER, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1611:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1615:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (LYRIC_ELEMENT, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1620:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1626:8: note: in expansion of macro 'SCM_UNBNDP'
    if (SCM_UNBNDP (d) || scm_is_false (scm_call_1 ($2, d)))
        ^~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1629:5: note: in expansion of macro 'MYBACKUP'
     MYBACKUP (UNSIGNED, $4, @4);
     ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1638:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1644:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (REAL, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1649:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1654:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (NUMBER_IDENTIFIER, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1660:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, n))) {
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1667:8: note: in expansion of macro 'scm_is_true'
    if (scm_is_true (scm_call_1 ($2, $$)))
        ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1671:5: note: in expansion of macro 'MYBACKUP'
     MYBACKUP (UNSIGNED, $5, @5);
     ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1680:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, n))) {
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1685:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (REAL, n, @5);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1691:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, n))) {
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1695:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (NUMBER_IDENTIFIER, n, @5);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1701:27: note: in expansion of macro 'scm_is_true'
   if (unsmob_music (m) && scm_is_true (scm_call_1 ($2, m)))
                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1705:14: note: in expansion of macro 'scm_is_true'
   } else if (scm_is_true (scm_call_1 ($2, $4)))
              ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1711:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (PITCH_IDENTIFIER, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1717:27: note: in expansion of macro 'scm_is_true'
   if (unsmob_music (m) && scm_is_true (scm_call_1 ($2, m)))
                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1721:14: note: in expansion of macro 'scm_is_true'
   } else if (scm_is_true (scm_call_1 ($2, $4)))
              ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1727:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (NOTENAME_PITCH, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1733:27: note: in expansion of macro 'scm_is_true'
   if (unsmob_music (m) && scm_is_true (scm_call_1 ($2, m)))
                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1737:14: note: in expansion of macro 'scm_is_true'
   } else if (scm_is_true (scm_call_1 ($2, $4)))
              ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1743:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (TONICNAME_PITCH, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1748:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $4)))
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1754:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (DURATION_IDENTIFIER, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1760:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (res))
        ^~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1769:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (SCM_IDENTIFIER, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1775:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (res))
        ^~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:1784:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (STRING, $4, @4);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1789:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($2, $3)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1840:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($1, $3)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1894:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (res))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1899:12: note: in expansion of macro 'scm_is_true'
   else if (scm_is_true
            ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1912:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP (res))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1917:12: note: in expansion of macro 'scm_is_true'
   else if (scm_is_true
            ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1929:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($1, $3)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1931:12: note: in expansion of macro 'scm_is_true'
   else if (scm_is_true
            ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1943:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($1, $3)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:1947:8: note: in expansion of macro 'SCM_UNBNDP'
    if (SCM_UNBNDP (d) || scm_is_false (scm_call_1 ($1, d)))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1962:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 ($1, n)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:1968:8: note: in expansion of macro 'scm_is_true'
    if (scm_is_true (scm_call_1 ($1, m)))
        ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser-scheme.cc:22:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
parser.yy:2295:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null ($1)
       ^~~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:2297:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (SCM_ARG, $1, @1);
    ^~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:2299:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (SYMBOL_LIST, scm_reverse_x ($1, SCM_EOL), @1);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
parser.yy:2361:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (l) || scm_is_null (scm_cdr (l))) {
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2373:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP ($1) && scm_is_null (scm_cddr ($1)))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2381:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP ($1)) {
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
parser.yy:2383:8: note: in expansion of macro 'scm_is_null'
    if (scm_is_null (scm_cddr ($$))) {
        ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2412:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP ($2))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2429:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP ($2))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2438:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP ($2))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
parser.yy:2466:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null ($1)
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2482:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP ($1))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2520:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP ($$))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2625:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP ($2))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2754:15: note: in expansion of macro 'SCM_UNBNDP'
   } else if (!SCM_UNBNDP ($1))
               ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2770:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP ($1))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:2778:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP ($1))
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
parser.yy:2873:22: note: in expansion of macro 'scm_is_eq'
                 if (!scm_is_eq (SCM_INUM0, $2))
                      ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
parser.yy:2888:22: note: in expansion of macro 'scm_is_eq'
                 if (!scm_is_eq (SCM_INUM0, $2))
                      ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
parser.yy:2900:22: note: in expansion of macro 'scm_is_eq'
                 if (!scm_is_eq (SCM_INUM0, $2))
                      ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
parser.yy:2911:22: note: in expansion of macro 'scm_is_eq'
                 if (!scm_is_eq (SCM_INUM0, $2))
                      ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:3004:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP ($$))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:3012:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP ($$))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:3056:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP (make_duration ($2)))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:3071:9: note: in expansion of macro 'scm_is_true'
       ? scm_is_true (scm_negative_p ($1))
         ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:3174:8: note: in expansion of macro 'SCM_UNBNDP'
   if (!SCM_UNBNDP ($2)
        ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:3181:8: note: in expansion of macro 'scm_is_true'
    if (scm_is_true ($6))
        ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:3187:8: note: in expansion of macro 'SCM_UNBNDP'
    if (SCM_UNBNDP ($5))
        ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:3271:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP ($2))
       ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:3412:10: note: in expansion of macro 'scm_is_true'
       || scm_is_true (scm_negative_p ($1)))
          ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:3421:10: note: in expansion of macro 'scm_is_true'
       || scm_is_true (scm_negative_p ($1)))
          ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:3433:21: note: in expansion of macro 'SCM_UNBNDP'
                 if (SCM_UNBNDP ($1))
                     ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:3444:21: note: in expansion of macro 'SCM_UNBNDP'
                 if (SCM_UNBNDP ($1))
                     ^~~~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:3487:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (MARKUP_IDENTIFIER, $1, @1);
    ^~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:3489:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (MARKUPLIST_IDENTIFIER, $1, @1);
    ^~~~~~~~
parser.yy:153:12: warning: enum constant in boolean context [-Wint-in-bool-context]
   if (Token)      \
            ^
parser.yy:3492:4: note: in expansion of macro 'MYBACKUP'
    MYBACKUP (MARKUP_IDENTIFIER, scm_string (SCM_EOL), @1);
    ^~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
parser.yy: In function 'scm_unused_struct* check_scheme_arg(Lily_parser*, Input, SCM, SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:3723:6: note: in expansion of macro 'SCM_UNBNDP'
  if (SCM_UNBNDP (arg))
      ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:3727:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 (pred, arg)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
parser.yy:190:22: note: in definition of macro 'LOWLEVEL_MAKE_SYNTAX'
   scm_apply_0 (proc, args)
                      ^~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
parser.yy:193:147: note: in expansion of macro 'SCM_UNBNDP'
  LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant (name), scm_list_n (parser->self_scm (), make_input (parser->lexer_->override_input (location)), ##__VA_ARGS__, SCM_UNDEFINED))
                                                                                                                                                   ^~~~~~~~~~~
parser.yy:3731:2: note: in expansion of macro 'MAKE_SYNTAX'
  MAKE_SYNTAX ("argument-error", loc, scm_length (args), pred,
  ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
parser.yy: In function 'scm_unused_struct* try_string_variants(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:3752:6: note: in expansion of macro 'scm_is_true'
  if (scm_is_true (scm_call_1 (pred, str)))
      ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
parser.yy:3755:6: note: in expansion of macro 'scm_is_symbol'
  if (scm_is_symbol (str)) {
      ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:3757:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 (pred, str)))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:3774:6: note: in expansion of macro 'scm_is_true'
  if (scm_is_true (scm_call_1 (pred, str)))
      ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
parser.yy:3780:6: note: in expansion of macro 'scm_is_null'
  if (scm_is_null (scm_cdr (str)))
      ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
parser.yy:3783:7: note: in expansion of macro 'scm_is_true'
   if (scm_is_true (scm_call_1 (pred, str)))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/book.hh:27,
                 from parser.yy:123:
parser.yy: In function 'scm_unused_struct* make_music_from_simple(Lily_parser*, Input, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
parser.yy:3821:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (simple)) {
       ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser-scheme.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser-scheme.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser-scheme.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser-scheme.cc:22:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer-scheme.cc:21:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-parser.hh: In static member function 'static Lily_parser* Lily_parser::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-parser.hh:35:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_parser);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer-scheme.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer-scheme.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh: In static member function 'static Lily_lexer* Lily_lexer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_lexer);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer.cc:20:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer.cc:20:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer.cc:20:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh: In static member function 'static Lily_lexer* Lily_lexer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_lexer);
   ^~~~~~~~~~~~~
./include/listener.hh: In static member function 'static Listener* Listener::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/listener.hh:90:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Listener);
   ^~~~~~~~~~~~~~~~~~~~
./include/scm-hash.hh: In static member function 'static Scheme_hash_table* Scheme_hash_table::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/scm-hash.hh:62:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Scheme_hash_table);
   ^~~~~~~~~~~~~
./include/context.hh: In static member function 'static Context* Context::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context);
   ^~~~~~~~~~~~~
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
./include/lily-parser.hh: In static member function 'static Lily_parser* Lily_parser::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-parser.hh:35:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_parser);
   ^~~~~~~~~~~~~
lily-lexer.cc: In member function 'int Lily_lexer::lookup_keyword(const string&)':
lily-lexer.cc:183:28: warning: conversion to 'int' from 'vsize {aka long unsigned int}' may alter its value [-Wconversion]
   return keytable_->lookup (s.c_str ());
          ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/input.hh:69,
                 from ./include/lily-lexer.hh:25,
                 from lily-lexer.cc:20:
lily-lexer.cc: In member function 'void Lily_lexer::set_identifier(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
lily-lexer.cc:271:7: note: in expansion of macro 'scm_is_symbol'
   if (scm_is_symbol (sym))
       ^~~~~~~~~~~~~
lily-lexer.cc: In static member function 'static scm_unused_struct* Lily_lexer::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
lily-lexer.cc:369:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Lily_lexer);
 ^~~~~~~~~~~~~~~
./include/lily-lexer.hh: In static member function 'static Lily_lexer* Lily_lexer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_lexer);
   ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser-scheme.cc:22:
lily-parser-scheme.cc: In function 'scm_unused_struct* ly_parser_clone(SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
lily-parser-scheme.cc:158:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP (closures))
       ^~~~~~~~~~
lily-parser-scheme.cc: In function 'scm_unused_struct* ly_parse_string_expression(SCM, SCM, SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
lily-parser-scheme.cc:228:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP (filename) || !scm_is_string (filename))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
lily-parser-scheme.cc:233:7: note: in expansion of macro 'SCM_UNBNDP'
   if (SCM_UNBNDP (line) || !scm_is_integer (line))
       ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser.cc:21:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/moment.hh:23,
                 from ./include/duration.hh:23,
                 from ./include/lily-parser.hh:23,
                 from lily-parser.cc:21:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-parser.hh: In static member function 'static Lily_parser* Lily_parser::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-parser.hh:35:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_parser);
   ^~~~~~~~~~~~~
./include/book.hh: In static member function 'static Book* Book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/book.hh:31:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Book);
   ^~~~~~~~~~~~~
./include/lily-lexer.hh: In static member function 'static Lily_lexer* Lily_lexer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_lexer);
   ^~~~~~~~~~~~~
./include/output-def.hh: In static member function 'static Output_def* Output_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/output-def.hh:54:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Output_def);
   ^~~~~~~~~~~~~
./include/paper-book.hh: In static member function 'static Paper_book* Paper_book::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/paper-book.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Paper_book);
   ^~~~~~~~~~~~~
./include/score.hh: In static member function 'static Score* Score::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/score.hh:32:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Score);
   ^~~~~~~~~~~~~
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
lily-parser.cc: In static member function 'static scm_unused_struct* Lily_parser::smob_p(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/ly-smobs.icc:52:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)                 \
                         ^~~~~~~~~~~~~
./include/ly-smobs.icc:93:3: note: in expansion of macro 'IMPLEMENT_BASE_SMOBS'
   IMPLEMENT_BASE_SMOBS (CL)                                             \
   ^~~~~~~~~~~~~~~~~~~~
lily-parser.cc:218:1: note: in expansion of macro 'IMPLEMENT_SMOBS'
 IMPLEMENT_SMOBS (Lily_parser);
 ^~~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_cell(scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:118:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'scm_unused_struct* scm_double_cell(scm_t_bits, scm_t_bits, scm_t_bits, scm_t_bits)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:197:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (*freelist))
       ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:305:10: note: in expansion of macro 'SCM_I_CONSP'
   return SCM_I_CONSP (x);
          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/fports.h:27:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:47,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'int scm_getc(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:189:38: note: in definition of macro 'SCM_TC2PTOBNUM'
 #define SCM_TC2PTOBNUM(x) (0x0ff & ((x) >> 8))
                                      ^
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:190:41: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_PTOBNUM(x) (SCM_TC2PTOBNUM (SCM_CELL_TYPE (x)))
                                         ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:322:15: note: in expansion of macro 'SCM_PTOBNUM'
     scm_ptobs[SCM_PTOBNUM (port)].flush (port);
               ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:30:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_putc(char, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:365:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h: In function 'void scm_puts(const char*, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/__scm.h:98:43: note: in definition of macro 'SCM_UNLIKELY'
 #define SCM_UNLIKELY(_expr)  SCM_EXPECT ((_expr), 0)
                                           ^~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:3: note: in expansion of macro 'SCM_ASSERT_TYPE'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
   ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:3: note: in expansion of macro 'SCM_VALIDATE_CELL'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
   ^~~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/ports.h:136:76: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_OPOUTPORTP(x) (!SCM_IMP(x) && (((0x7f | SCM_OPN | SCM_WRTNG) & SCM_CELL_WORD_0(x))==(scm_tc7_port | SCM_OPN | SCM_WRTNG)))
                                                                            ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/inline.h:375:20: note: in expansion of macro 'SCM_OPOUTPORTP'
   SCM_ASSERT_TYPE (SCM_OPOUTPORTP (port), port, 0, NULL, "output port");
                    ^~~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
./include/ly-module.hh: In function 'bool ly_is_module(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/modules.h:35:22: note: in expansion of macro 'SCM_CELL_TYPE'
   (!SCM_IMP (OBJ) && SCM_CELL_TYPE (OBJ) == scm_module_tag)
                      ^~~~~~~~~~~~~
./include/ly-module.hh:32:43: note: in expansion of macro 'SCM_MODULEP'
 inline bool ly_is_module (SCM x) { return SCM_MODULEP (x); }
                                           ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
./include/lily-guile.hh: In function 'bool ly_is_list(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:101:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_list (SCM x) { return scm_is_true (scm_list_p (x)); }
                                         ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_procedure(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:103:46: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_procedure (SCM x) { return scm_is_true (scm_procedure_p (x)); }
                                              ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_is_port(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:104:41: note: in expansion of macro 'scm_is_true'
 inline bool ly_is_port (SCM x) { return scm_is_true (scm_port_p (x)); }
                                         ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
./include/lily-guile.hh: In function 'bool ly_is_symbol(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
./include/lily-guile.hh:111:43: note: in expansion of macro 'scm_is_symbol'
 inline bool ly_is_symbol (SCM x) { return scm_is_symbol (x); }
                                           ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
./include/lily-guile.hh: In function 'bool ly_is_equal(SCM, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:115:10: note: in expansion of macro 'scm_is_true'
   return scm_is_true (scm_equal_p (x, y));
          ^~~~~~~~~~~
./include/lily-guile.hh: In function 'bool ly_scm2bool(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:26: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                          ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:35:26: note: in expansion of macro 'scm_is_false'
 #define scm_is_true(x)  !scm_is_false (x)
                          ^~~~~~~~~~~~
./include/lily-guile.hh:118:42: note: in expansion of macro 'scm_is_true'
 inline bool ly_scm2bool (SCM x) { return scm_is_true (x); }
                                          ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
./include/lily-guile.hh: In function 'bool ly_is_pair(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:400:48: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_I_CONSP(x)  (!SCM_IMP (x) && ((1 & SCM_CELL_TYPE (x)) == 0))
                                                ^~~~~~~~~~~~~
./include/lily-guile.hh:203:41: note: in expansion of macro 'SCM_I_CONSP'
 inline bool ly_is_pair (SCM x) { return SCM_I_CONSP (x); }
                                         ^~~~~~~~~~~
./include/context-def.hh: In static member function 'static Context_def* Context_def::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/context-def.hh:79:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Context_def);
   ^~~~~~~~~~~~~
./include/moment.hh: In static member function 'static Moment* Moment::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/moment.hh:32:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Moment);
   ^~~~~~~~~~~~~~~~~~~~
./include/duration.hh: In static member function 'static Duration* Duration::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/duration.hh:46:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Duration);
   ^~~~~~~~~~~~~~~~~~~~
./include/pitch.hh: In static member function 'static Pitch* Pitch::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/pitch.hh:74:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Pitch);
   ^~~~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh: In static member function 'static Lily_lexer* Lily_lexer::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-lexer.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_lexer);
   ^~~~~~~~~~~~~
./include/lily-parser.hh: In static member function 'static Lily_parser* Lily_parser::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/lily-parser.hh:35:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Lily_parser);
   ^~~~~~~~~~~~~
./include/box.hh: In static member function 'static Box* Box::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/box.hh:15:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Box);
   ^~~~~~~~~~~~~~~~~~~~
./include/stencil.hh: In static member function 'static Stencil* Stencil::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:125:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)
   ^~~~~~~~~~~~~~~~~~
./include/stencil.hh:63:3: note: in expansion of macro 'DECLARE_SIMPLE_SMOBS'
   DECLARE_SIMPLE_SMOBS (Stencil);
   ^~~~~~~~~~~~~~~~~~~~
./include/prob.hh: In static member function 'static Prob* Prob::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/prob.hh:36:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Prob);
   ^~~~~~~~~~~~~
./include/source-file.hh: In static member function 'static Source_file* Source_file::unsmob(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
./include/smobs.hh:139:25: note: in expansion of macro 'SCM_CELL_TYPE'
     if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_)         \
                         ^~~~~~~~~~~~~
./include/smobs.hh:149:3: note: in expansion of macro 'DECLARE_BASE_SMOBS'
   DECLARE_BASE_SMOBS (CL)                       \
   ^~~~~~~~~~~~~~~~~~
./include/source-file.hh:49:3: note: in expansion of macro 'DECLARE_SMOBS'
   DECLARE_SMOBS (Source_file);
   ^~~~~~~~~~~~~
out/lexer.cc: In member function 'virtual int Lily_lexer::yylex()':
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
out/lexer.cc:5134:3: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
 
   ^                  
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
out/lexer.cc:233:3: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
   (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
   ^~~~~~~~~~~~~~~~~~~
lexer.ll:194:3: note: in expansion of macro 'yyless'
   yyless (0);
   ^~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
lexer.ll:200:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (extra_tokens_))
       ^~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
lexer.ll:213:7: note: in expansion of macro 'scm_is_null'
   if (scm_is_null (extra_tokens_))
       ^~~~~~~~~~~
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:224:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
       LexerWarning (_ ("stray UTF-8 BOM encountered").c_str ());
 ^     ~~~~~~~~~~~~~
lexer.ll:368:20: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
  int n = hi.end () - hi.start ();
          ~~~~~~~~~~^~~~~~~~~~~~~
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:402:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  char const *s = YYText ();
 ^~~~~~~~~~~~~~~~~~~
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:410:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
 }
 ^                  
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:415:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  return MULTI_MEASURE_REST;
 ^~~~~~~~~~~~~~~~~~~
lexer.ll:425:20: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
  int n = hi.end () - hi.start ();
          ~~~~~~~~~~^~~~~~~~~~~~~
lexer.ll:441:20: warning: conversion to 'int' from 'long int' may alter its value [-Wconversion]
  int n = hi.end () - hi.start ();
          ~~~~~~~~~~^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
lexer.ll:452:7: note: in expansion of macro 'scm_is_eq'
  if (!scm_is_eq (yylval, SCM_UNSPECIFIED))
       ^~~~~~~~~
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:513:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  }
 ^~                 
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:521:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  {FRACTION} {
 ^~~~~~~~~~~~~      
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:533:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  }
 ^~                 
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:589:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  }
 ^~                 
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:597:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  \\.|\| {
 ^~~~~~~~~          
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:630:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  \\\" {
 ^~~~~~~            
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:637:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  {FRACTION} {
 ^~~~~~~~~~~~~      
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:645:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  }
 ^~                 
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:681:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
                 int token_type = MARKUP_FUNCTION;
 ^               ~~~
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:789:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  }
 ^~                 
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:797:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
 }
 ^                  
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:813:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  return UNSIGNED;
 ^~~~~~~~~~~~~~~~~  
out/lexer.cc:4640:11: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ */\
           ^~~~~~~~~~~~~~~~~~~~~~~~~~
lexer.ll:819:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  return YYText ()[0];
 ^~~~~~~~~~~~~~~~~~~
out/lexer.cc:6266:45: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
     */
out/lexer.cc: In member function 'virtual int yyFlexLexer::LexerInput(char*, int)':
out/lexer.cc:6495:21: warning: conversion to 'int' from 'std::streamsize {aka long int}' may alter its value [-Wconversion]
  else
                     ^ 
out/lexer.cc: In member function 'int yyFlexLexer::yy_get_next_buffer()':
out/lexer.cc:4991:57: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 /* %if-c++-only C++ definition \ */\
                                                         ^
out/lexer.cc:6609:3: note: in expansion of macro 'YY_INPUT'
   /* Read in more data. */
   ^~~~~~~~
out/lexer.cc:6645:15: warning: conversion to 'int' from 'yy_size_t {aka long unsigned int}' may alter its value [-Wconversion]
 
               ^                
out/lexer.cc: In member function 'void yyFlexLexer::yyunput(int, char*)':
out/lexer.cc:6727:45: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
   YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
out/lexer.cc: In member function 'void yyFlexLexer::yy_load_buffer_state()':
out/lexer.cc:6902:47: warning: conversion to 'int' from 'size_t {aka long unsigned int}' may alter its value [-Wconversion]
 {
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
lexer.ll: In member function 'void Lily_lexer::push_extra_token(int, SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/pairs.h:36:34: note: in expansion of macro 'scm_is_eq'
 #define scm_is_null(x)          (scm_is_eq ((x), SCM_EOL))
                                  ^~~~~~~~~
lexer.ll:845:6: note: in expansion of macro 'scm_is_null'
  if (scm_is_null (extra_tokens_))
      ^~~~~~~~~~~
lexer.ll: In member function 'void Lily_lexer::push_chord_state(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
lexer.ll:859:6: note: in expansion of macro 'scm_is_false'
  if (scm_is_false (p))
      ^~~~~~~~~~~~
lexer.ll: In member function 'void Lily_lexer::push_note_state(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/boolean.h:34:25: note: in expansion of macro 'scm_is_eq'
 #define scm_is_false(x) scm_is_eq ((x), SCM_BOOL_F)
                         ^~~~~~~~~
lexer.ll:899:6: note: in expansion of macro 'scm_is_false'
  if (scm_is_false (p))
      ^~~~~~~~~~~~
lexer.ll: In member function 'int Lily_lexer::scan_scm_id(SCM)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
lexer.ll:1006:7: note: in expansion of macro 'scm_is_eq'
   if (scm_is_eq (cs, ly_lily_module_constant ("ly:music?")))
       ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
lexer.ll:1008:12: note: in expansion of macro 'scm_is_eq'
   else if (scm_is_eq (cs, ly_lily_module_constant ("ly:event?")))
            ^~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
lexer.ll:1033:9: note: in expansion of macro 'scm_is_eq'
    if (!scm_is_eq (optional, SCM_UNDEFINED))
         ^~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
lexer.ll: In member function 'int Lily_lexer::scan_bare_word(const string&)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:427:38: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP7(x)   (0x7f &        SCM_CELL_TYPE (x))
                                      ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/symbols.h:29:42: note: in expansion of macro 'SCM_TYP7'
                                      && (SCM_TYP7 (x) == scm_tc7_symbol))
                                          ^~~~~~~~
lexer.ll:1055:13: note: in expansion of macro 'scm_is_symbol'
    else if (scm_is_symbol (yylval))
             ^~~~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
lexer.ll: In member function 'scm_unused_struct* Lily_lexer::eval_scm(SCM, Input, char)':
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
lexer.ll:1114:7: note: in expansion of macro 'SCM_UNBNDP'
  if (!SCM_UNBNDP (readerdata))
       ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:539:25: note: in expansion of macro 'scm_is_eq'
 #define SCM_UNBNDP(x)  (scm_is_eq ((x), SCM_UNDEFINED))
                         ^~~~~~~~~
lexer.ll:1122:6: note: in expansion of macro 'SCM_UNBNDP'
  if (SCM_UNBNDP (sval))
      ^~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile.h:49:0,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:187:42: note: in definition of macro 'SCM_VALIDATE_CELL'
 #  define SCM_VALIDATE_CELL(cell, expr) (expr)
                                          ^~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:168:35: note: in expansion of macro 'SCM_UNPACK'
 #define SCM_GC_CELL_WORD(x, n)   (SCM_UNPACK (SCM_GC_CELL_OBJECT ((x), (n))))
                                   ^~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:191:27: note: in expansion of macro 'SCM_GC_CELL_WORD'
   SCM_VALIDATE_CELL ((x), SCM_GC_CELL_WORD ((x), (n)))
                           ^~~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:192:28: note: in expansion of macro 'SCM_CELL_WORD'
 #define SCM_CELL_WORD_0(x) SCM_CELL_WORD ((x), 0)
                            ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/gc.h:222:26: note: in expansion of macro 'SCM_CELL_WORD_0'
 #define SCM_CELL_TYPE(x) SCM_CELL_WORD_0 (x)
                          ^~~~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:412:29: note: in expansion of macro 'SCM_CELL_TYPE'
 #define SCM_TYP3(x)    (7 & SCM_CELL_TYPE (x))
                             ^~~~~~~~~~~~~
/usr/pkg/guile/1.8/include/libguile/struct.h:57:44: note: in expansion of macro 'SCM_TYP3'
 #define SCM_STRUCTP(X)    (!SCM_IMP(X) && (SCM_TYP3(X) == scm_tc3_struct))
                                            ^~~~~~~~
/usr/pkg/guile/1.8/include/libguile/values.h:29:25: note: in expansion of macro 'SCM_STRUCTP'
 #define SCM_VALUESP(x) (SCM_STRUCTP (x)\
                         ^~~~~~~~~~~
lexer.ll:1128:21: note: in expansion of macro 'SCM_VALUESP'
  if (extra_token && SCM_VALUESP (sval))
                     ^~~~~~~~~~~
In file included from /usr/pkg/guile/1.8/include/libguile/__scm.h:382:0,
                 from /usr/pkg/guile/1.8/include/libguile.h:30,
                 from ./include/lily-guile.hh:27,
                 from ./include/smobs.hh:23,
                 from ./include/context-def.hh:25,
                 from lexer.ll:56:
/usr/pkg/guile/1.8/include/libguile/tags.h:122:53: warning: operation on '*0' may be undefined [-Wsequence-point]
 #   define SCM_UNPACK(x) ((scm_t_bits) (0? (*(SCM*)0=(x)): x))
                                            ~~~~~~~~~^~~~~
/usr/pkg/guile/1.8/include/libguile/tags.h:145:44: note: in expansion of macro 'SCM_UNPACK'
 #define scm_is_eq(x, y) (SCM_UNPACK (x) == SCM_UNPACK (y))
                                            ^~~~~~~~~~
lexer.ll:1148:11: note: in expansion of macro 'scm_is_eq'
      if (!scm_is_eq (yylval, SCM_UNSPECIFIED))
           ^~~~~~~~~
lexer.ll: In member function 'virtual int Lily_lexer::yylex()':
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:402:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  char const *s = YYText ();
 ^~~~~~~~~~~~~~~~~~~
lexer.ll:401:1: note: here
 <chords,notes,figures>{RESTNAME}  {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:410:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
 }
 ^                  
lexer.ll:407:1: note: here
 <chords,notes,figures>q {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:415:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  return MULTI_MEASURE_REST;
 ^~~~~~~~~~~~~~~~~~~
lexer.ll:413:1: note: here
 <chords,notes,figures>R  {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:513:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  }
 ^~                 
lexer.ll:511:1: note: here
  {WORD} {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:521:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  {FRACTION} {
 ^~~~~~~~~~~~~      
lexer.ll:518:1: note: here
  {COMMAND} {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:533:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  }
 ^~                 
lexer.ll:530:1: note: here
  {UNSIGNED} {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:589:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  }
 ^~                 
lexer.ll:586:1: note: here
  {UNSIGNED}  {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:597:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  \\.|\| {
 ^~~~~~~~~          
lexer.ll:594:1: note: here
  {COMMAND} {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:630:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  \\\" {
 ^~~~~~~            
lexer.ll:627:1: note: here
  {WORD} {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:637:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  {FRACTION} {
 ^~~~~~~~~~~~~      
lexer.ll:634:1: note: here
  {COMMAND} {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:645:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  }
 ^~                 
lexer.ll:642:1: note: here
  {UNSIGNED}  {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:681:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
                 int token_type = MARKUP_FUNCTION;
 ^               ~~~
lexer.ll:678:1: note: here
  {COMMAND} {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:789:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  }
 ^~                 
lexer.ll:787:1: note: here
  {WORD} {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:797:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
 }
 ^                  
lexer.ll:794:1: note: here
  {COMMAND} {
 ^~~~
out/lexer.cc:4644:15: warning: this statement may fall through [-Wimplicit-fallthrough=]
 /* %% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ */\
  ~~~~~~~~~~~~~^~~
lexer.ll:813:1: note: in expansion of macro 'YY_DO_BEFORE_ACTION'
  return UNSIGNED;
 ^~~~~~~~~~~~~~~~~  
lexer.ll:811:1: note: here
 {UNSIGNED} {
 ^~~~
lexer.ll: In member function 'const char* Lily_lexer::YYText_utf8()':
lexer.ll:1221:4: warning: this statement may fall through [-Wimplicit-fallthrough=]
    if ((p[i] & 0xff) < 0xa0)
    ^~
lexer.ll:1223:3: note: here
   case 0xe1: // 0x1000-0x1fff
   ^~~~
lexer.ll:1239:4: warning: this statement may fall through [-Wimplicit-fallthrough=]
    if ((p[i] & 0xff) >= 0xa0)
    ^~
lexer.ll:1241:3: note: here
   case 0xee: // 0xe000-0xefff
   ^~~~
lexer.ll:1248:4: warning: this statement may fall through [-Wimplicit-fallthrough=]
    if ((p[i] & 0xff) < 0x90)
    ^~
lexer.ll:1250:3: note: here
   case 0xf1: // 0x40000-0x7ffff
   ^~~~
/usr/pkg/bin/gmake -C ../flower &&  true
gmake[2]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/flower'
true
gmake[2]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/flower'
c++ -o out/lilypond  ./out/accidental-engraver.o ./out/accidental-placement.o ./out/accidental.o ./out/align-interface.o ./out/all-font-metrics-scheme.o ./out/all-font-metrics.o ./out/ambitus-engraver.o ./out/apply-context-iterator.o ./out/arpeggio-engraver.o ./out/arpeggio.o ./out/articulations.o ./out/audio-column.o ./out/audio-element-info.o ./out/audio-element.o ./out/audio-item.o ./out/audio-staff.o ./out/auto-beam-engraver.o ./out/auto-change-iterator.o ./out/axis-group-engraver.o ./out/axis-group-interface-scheme.o ./out/axis-group-interface.o ./out/balloon-engraver.o ./out/balloon.o ./out/bar-check-iterator.o ./out/bar-engraver.o ./out/bar-line.o ./out/bar-number-engraver.o ./out/beam-collision-engraver.o ./out/beam-engraver.o ./out/beam-performer.o ./out/beam-quanting.o ./out/beam.o ./out/beaming-pattern.o ./out/bend-engraver.o ./out/bezier-bow.o ./out/bezier.o ./out/book-scheme.o ./out/book.o ./out/box.o ./out/break-align-engraver.o ./out/break-alignment-interface.o ./out/break-substitution.o ./out/breathing-sign-engraver.o ./out/breathing-sign.o ./out/change-iterator.o ./out/chord-name-engraver.o ./out/chord-name.o ./out/chord-tremolo-engraver.o ./out/chord-tremolo-iterator.o ./out/clef-engraver.o ./out/clef.o ./out/cluster-engraver.o ./out/cluster.o ./out/coherent-ligature-engraver.o ./out/collision-engraver.o ./out/column-x-positions.o ./out/completion-note-heads-engraver.o ./out/completion-rest-engraver.o ./out/concurrent-hairpin-engraver.o ./out/constrained-breaking.o ./out/context-def.o ./out/context-handle.o ./out/context-mod-scheme.o ./out/context-mod.o ./out/context-property.o ./out/context-scheme.o ./out/context-specced-music-iterator.o ./out/context.o ./out/control-track-performer.o ./out/cue-clef-engraver.o ./out/custos-engraver.o ./out/custos.o ./out/default-bar-line-engraver.o ./out/dimension-cache.o ./out/dimensions-scheme.o ./out/directional-element-interface.o ./out/dispatcher-scheme.o ./out/dispatcher.o ./out/dot-column-engraver.o ./out/dot-column.o ./out/dot-configuration.o ./out/dot-formatting-problem.o ./out/dots-engraver.o ./out/dots.o ./out/double-percent-repeat-engraver.o ./out/drum-note-engraver.o ./out/drum-note-performer.o ./out/duration-scheme.o ./out/duration.o ./out/dynamic-align-engraver.o ./out/dynamic-engraver.o ./out/dynamic-performer.o ./out/enclosing-bracket.o ./out/engraver-group.o ./out/engraver-scheme.o ./out/engraver.o ./out/episema-engraver.o ./out/event-chord-iterator.o ./out/event-iterator.o ./out/extender-engraver.o ./out/figured-bass-continuation.o ./out/figured-bass-engraver.o ./out/figured-bass-position-engraver.o ./out/file-name-map.o ./out/fingering-column-engraver.o ./out/fingering-column.o ./out/fingering-engraver.o ./out/flag.o ./out/font-config-scheme.o ./out/font-config.o ./out/font-interface.o ./out/font-metric-scheme.o ./out/font-metric.o ./out/font-select.o ./out/font-size-engraver.o ./out/footnote-engraver.o ./out/forbid-break-engraver.o ./out/freetype-error.o ./out/freetype.o ./out/fretboard-engraver.o ./out/function-documentation.o ./out/gdb.o ./out/general-scheme.o ./out/glissando-engraver.o ./out/global-context-scheme.o ./out/global-context.o ./out/global-ctor.o ./out/global-vars.o ./out/grace-engraver.o ./out/grace-iterator.o ./out/grace-music.o ./out/grace-spacing-engraver.o ./out/gregorian-ligature-engraver.o ./out/gregorian-ligature.o ./out/grid-line-interface.o ./out/grid-line-span-engraver.o ./out/grid-point-engraver.o ./out/grob-array-scheme.o ./out/grob-array.o ./out/grob-closure.o ./out/grob-info.o ./out/grob-interface-scheme.o ./out/grob-interface.o ./out/grob-pq-engraver.o ./out/grob-property.o ./out/grob-scheme.o ./out/grob-smob.o ./out/grob.o ./out/guile-init.o ./out/hairpin.o ./out/hara-kiri-group-spanner.o ./out/horizontal-bracket-engraver.o ./out/horizontal-bracket.o ./out/hyphen-engraver.o ./out/includable-lexer.o ./out/input-scheme.o ./out/input-smob.o ./out/input.o ./out/instrument-name-engraver.o ./out/instrument-switch-engraver.o ./out/interval-minefield.o ./out/item-scheme.o ./out/item.o ./out/keep-alive-together-engraver.o ./out/key-engraver.o ./out/key-performer.o ./out/key-signature-interface.o ./out/keyword.o ./out/kievan-ligature-engraver.o ./out/kievan-ligature.o ./out/laissez-vibrer-engraver.o ./out/least-squares.o ./out/ledger-line-engraver.o ./out/ledger-line-spanner.o ./out/ligature-bracket-engraver.o ./out/ligature-engraver.o ./out/lily-guile.o ./out/lily-lexer-scheme.o ./out/lily-lexer.o ./out/lily-parser-scheme.o ./out/lily-parser.o ./out/lily-version.o ./out/lilypond-version.o ./out/line-interface.o ./out/line-spanner.o ./out/listener.o ./out/lookup.o ./out/ly-module.o ./out/lyric-combine-music-iterator.o ./out/lyric-combine-music.o ./out/lyric-engraver.o ./out/lyric-extender.o ./out/lyric-hyphen.o ./out/lyric-performer.o ./out/main.o ./out/mark-engraver.o ./out/measure-grouping-engraver.o ./out/measure-grouping-spanner.o ./out/melody-engraver.o ./out/melody-spanner.o ./out/mensural-ligature-engraver.o ./out/mensural-ligature.o ./out/metronome-engraver.o ./out/midi-chunk.o ./out/midi-control-function-performer.o ./out/midi-item.o ./out/midi-stream.o ./out/midi-walker.o ./out/minimal-page-breaking.o ./out/misc.o ./out/modified-font-metric.o ./out/module-scheme.o ./out/moment-scheme.o ./out/moment.o ./out/multi-measure-rest-engraver.o ./out/multi-measure-rest.o ./out/music-function-scheme.o ./out/music-function.o ./out/music-iterator.o ./out/music-output.o ./out/music-scheme.o ./out/music-sequence.o ./out/music-wrapper-iterator.o ./out/music-wrapper.o ./out/music.o ./out/nested-property.o ./out/new-fingering-engraver.o ./out/note-collision.o ./out/note-column-scheme.o ./out/note-column.o ./out/note-head-line-engraver.o ./out/note-head-scheme.o ./out/note-head.o ./out/note-heads-engraver.o ./out/note-name-engraver.o ./out/note-performer.o ./out/note-spacing-engraver.o ./out/note-spacing.o ./out/one-line-page-breaking.o ./out/open-type-font-scheme.o ./out/open-type-font.o ./out/optimal-page-breaking.o ./out/ottava-bracket.o ./out/ottava-engraver.o ./out/output-def-scheme.o ./out/output-def.o ./out/output-property-engraver.o ./out/page-breaking-scheme.o ./out/page-breaking.o ./out/page-layout-problem-scheme.o ./out/page-layout-problem.o ./out/page-marker-scheme.o ./out/page-marker.o ./out/page-spacing-result.o ./out/page-spacing.o ./out/page-turn-engraver.o ./out/page-turn-page-breaking.o ./out/pango-font-scheme.o ./out/pango-font.o ./out/pango-select-scheme.o ./out/pango-select.o ./out/paper-book-scheme.o ./out/paper-book.o ./out/paper-column-engraver.o ./out/paper-column.o ./out/paper-def.o ./out/paper-outputter-scheme.o ./out/paper-outputter.o ./out/paper-score-scheme.o ./out/paper-score.o ./out/paper-system-scheme.o ./out/paper-system.o ./out/parenthesis-engraver.o ./out/parse-scm.o ./out/part-combine-engraver.o ./out/part-combine-iterator.o ./out/partial-iterator.o ./out/pdf-scheme.o ./out/percent-repeat-engraver.o ./out/percent-repeat-item.o ./out/percent-repeat-iterator.o ./out/performance-scheme.o ./out/performance.o ./out/performer-group.o ./out/performer.o ./out/pfb-scheme.o ./out/pfb.o ./out/phrasing-slur-engraver.o ./out/piano-pedal-align-engraver.o ./out/piano-pedal-bracket.o ./out/piano-pedal-engraver.o ./out/piano-pedal-performer.o ./out/pitch-interval.o ./out/pitch-scheme.o ./out/pitch-squash-engraver.o ./out/pitch.o ./out/pitched-trill-engraver.o ./out/pointer-group-interface-scheme.o ./out/pointer-group-interface.o ./out/prob-scheme.o ./out/prob.o ./out/profile.o ./out/program-option-scheme.o ./out/program-option.o ./out/property-iterator.o ./out/protected-scm.o ./out/pure-from-neighbor-engraver.o ./out/pure-from-neighbor-interface.o ./out/quote-iterator.o ./out/relative-octave-check.o ./out/relative-octave-music.o ./out/relocate.o ./out/repeat-acknowledge-engraver.o ./out/repeat-tie-engraver.o ./out/repeated-music.o ./out/rest-collision-engraver.o ./out/rest-collision.o ./out/rest-engraver.o ./out/rest.o ./out/rhythmic-column-engraver.o ./out/rhythmic-head.o ./out/rhythmic-music-iterator.o ./out/rod.o ./out/scale.o ./out/scheme-engraver.o ./out/scheme-listener-scheme.o ./out/scheme-listener.o ./out/scm-hash.o ./out/score-engraver.o ./out/score-performer.o ./out/score-scheme.o ./out/score.o ./out/script-column-engraver.o ./out/script-column.o ./out/script-engraver.o ./out/script-interface.o ./out/script-row-engraver.o ./out/self-alignment-interface.o ./out/semi-tie-column.o ./out/semi-tie.o ./out/separating-line-group-engraver.o ./out/separation-item.o ./out/sequential-iterator.o ./out/side-position-interface.o ./out/simple-closure.o ./out/simple-music-iterator.o ./out/simple-spacer-scheme.o ./out/simple-spacer.o ./out/simultaneous-music-iterator.o ./out/skyline-pair.o ./out/skyline.o ./out/slash-repeat-engraver.o ./out/slur-configuration.o ./out/slur-engraver.o ./out/slur-performer.o ./out/slur-proto-engraver.o ./out/slur-score-parameters.o ./out/slur-scoring.o ./out/slur.o ./out/smobs.o ./out/source-file.o ./out/sources.o ./out/spaceable-grob.o ./out/spacing-basic.o ./out/spacing-determine-loose-columns.o ./out/spacing-engraver.o ./out/spacing-interface.o ./out/spacing-loose-columns.o ./out/spacing-options.o ./out/spacing-spanner.o ./out/span-arpeggio-engraver.o ./out/span-bar-engraver.o ./out/span-bar-stub-engraver.o ./out/spanner-break-forbid-engraver.o ./out/spanner-scheme.o ./out/spanner.o ./out/spring-smob.o ./out/spring.o ./out/staff-collecting-engraver.o ./out/staff-grouper-interface.o ./out/staff-performer.o ./out/staff-spacing.o ./out/staff-symbol-engraver.o ./out/staff-symbol-referencer-scheme.o ./out/staff-symbol-referencer.o ./out/staff-symbol.o ./out/stanza-number-align-engraver.o ./out/stanza-number-engraver.o ./out/stem-engraver.o ./out/stem-tremolo.o ./out/stem.o ./out/stencil-expression.o ./out/stencil-integral.o ./out/stencil-interpret.o ./out/stencil-scheme.o ./out/stencil.o ./out/stream-event-scheme.o ./out/stream-event.o ./out/sustain-pedal.o ./out/system-start-delimiter-engraver.o ./out/system-start-delimiter.o ./out/system.o ./out/tab-note-heads-engraver.o ./out/tab-staff-symbol-engraver.o ./out/tab-tie-follow-engraver.o ./out/template5.o ./out/tempo-performer.o ./out/text-engraver.o ./out/text-interface.o ./out/text-spanner-engraver.o ./out/tie-column.o ./out/tie-configuration.o ./out/tie-details.o ./out/tie-engraver.o ./out/tie-formatting-problem.o ./out/tie-performer.o ./out/tie-specification.o ./out/tie.o ./out/time-signature-engraver.o ./out/time-signature-performer.o ./out/time-signature.o ./out/timing-translator.o ./out/translator-ctors.o ./out/translator-dispatch-list.o ./out/translator-group-ctors.o ./out/translator-group.o ./out/translator-scheme.o ./out/translator.o ./out/trill-spanner-engraver.o ./out/ttf.o ./out/tuplet-bracket.o ./out/tuplet-engraver.o ./out/tuplet-iterator.o ./out/tuplet-number.o ./out/tweak-engraver.o ./out/undead.o ./out/unfolded-repeat-iterator.o ./out/unpure-pure-container.o ./out/vaticana-ligature-engraver.o ./out/vaticana-ligature.o ./out/vertical-align-engraver.o ./out/volta-bracket.o ./out/volta-engraver.o ./out/volta-repeat-iterator.o ./out/warn-scheme.o ./out/lexer.o ./out/parser.o ./out/../../flower/out/library.a  -lintl   -I/usr/pkg/include -I/usr/include  -pthread  -L/usr/pkg/guile/1.8/lib -Wl,-R/usr/pkg/guile/1.8/lib -lguile -lltdl -Wl,-R/usr/pkg/guile/1.8/lib -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib -pthread -lgmp -lcrypt -lm -lltdl -L/usr/pkg/lib -lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lglib-2.0 -lintl -lharfbuzz -lfontconfig -Wl,-R/usr/pkg/lib -lfreetype  -L/usr/pkg/lib -lfontconfig -Wl,-R/usr/pkg/lib -lfreetype  -Wl,-R/usr/pkg/lib -L/usr/pkg/lib -lfreetype  -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib   -L/usr/pkg/lib -Wl,-R/usr/pkg/lib -L/usr/lib -Wl,-R/usr/lib
ld: /usr/pkg/guile/1.8/lib/libguile.so: warning: warning: tmpnam() possibly used unsafely, use mkstemp() or mkdtemp()
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/help2man out/lilypond > out/lilypond.1
true
true
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/lily'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
( echo ./out/feta11.tfm:  > out/feta11.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta11.mf;" 
( echo ./out/feta13.tfm:  > out/feta13.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta13.mf;" 
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta11.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-generic.mf (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:11.22@:fetaMusic@}
(feta-rests.mf
@{group@:rests@}
@{char@:whole rest@:33@:0@:4.20752@:1.75313@:0@:4.20752@:0@:0@} [33]
@{char@:half rest@:34@:0@:4.20752@:0@:1.75313@:4.20752@:0@:1@} [34]
@{char@:whole rest (outside staff)@:35@:0@:4.20752@:1.75313@:0.42471@:4.20752@:
0@:0o@} [35]
@{char@:half rest (outside staff)@:36@:0@:4.20752@:0.42471@:1.75313@:4.20752@:0
@:1o@} [36]
@{char@:maxima rest@:37@:0@:5.049@:2.80501@:2.80501@:5.049@:0@:M3@} [37]
@{char@:longa rest@:38@:0@:1.683@:2.80501@:2.80501@:1.683@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:1.683@:0@:2.80501@:1.683@:0@:M1@} [39]
@{char@:breve rest (outside staff)@:40@:0@:1.683@:0.42471@:2.80501@:1.683@:0@:M
1o@} [40]
@{char@:Quarter rest@:41@:0@:2.66475@:3.50626@:4.38283@:2.66475@:0@:2@}
[41]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Classical quarter rest@:42@:0@:2.80501@:3.01736@:2.30011@:2.80501@:0@:2
classical@} [42]
@{char@:8th rest@:43@:0@:2.80501@:3.01736@:2.30011@:2.80501@:0@:3@} [43]
@{char@:16th rest@:44@:0@:3.366@:5.82237@:2.30011@:3.366@:0@:4@} [44]
@{char@:32th rest@:45@:0@:3.64651@:5.82237@:5.10512@:3.64651@:0@:5@} [45]
@{char@:64th rest@:46@:0@:3.92699@:8.62738@:5.10512@:3.92699@:0@:6@} [46]
(feta13.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-generic.mf (feta-macros.mf
@{char@:128th rest@:47@:0@:4.20752@:8.62738@:7.91013@:4.20752@:0@:7@} [47]
@{puorg@:rests@}
) (feta-accidentals.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:12.6@:fetaMusic@}
(feta-rests.mf
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:3.08553@:4.20752@:4.20752@:3.08553@:0@:sharp@} [48]
@{group@:rests@}
@{char@:whole rest@:33@:0@:4.72502@:1.96875@:0@:4.72502@:0@:0@} [33]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:3.08553@:4.20752@:7.57352@:3.08553@:0@
:sharp.arrowup@} [49]
@{char@:half rest@:34@:0@:4.72502@:0@:1.96875@:4.72502@:0@:1@} [34]
@{char@:whole rest (outside staff)@:35@:0@:4.72502@:1.96875@:0.43655@:4.72502@:
0@:0o@} [35]
@{char@:half rest (outside staff)@:36@:0@:4.72502@:0.43655@:1.96875@:4.72502@:0
@:1o@} [36]
@{char@:Arrowed Sharp (arrow down)@:50@:0.63707@:3.08553@:7.57352@:4.20752@:3.0
8553@:0@:sharp.arrowdown@} [50
@{char@:maxima rest@:37@:0@:5.67@:3.15001@:3.15001@:5.67@:0@:M3@} [37]]
@{char@:longa rest@:38@:0@:1.89@:3.15001@:3.15001@:1.89@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:1.89@:0@:3.15001@:1.89@:0@:M1@} [39]
@{char@:breve rest (outside staff)@:40@:0@:1.89@:0.43655@:3.15001@:1.89@:0@:M1o
@} [40]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.63707@:3.08553@:7.57352@:7.57
352@:3.08553@:0@:sharp.arrowboth@} [51]
@{char@:Quarter rest@:41@:0@:2.9925@:3.93752@:4.92189@:2.9925@:0@:2@} [41]
@{char@:1/2 Sharp@:52@:0@:1.9635@:4.20752@:4.20752@:1.9635@:0@:sharp.slashslash
.stem@} [52]
@{char@:Classical quarter rest@:42@:0@:3.15001@:3.36829@:2.58302@:3.15001@:0@:2
classical@} [42]
@{char@:8th rest@:43@:0@:3.15001@:3.36829@:2.58302@:3.15001@:0@:3@} [43]
@{char@:Sharp (3 beams)@:53@:0@:3.08553@:4.20752@:4.20752@:3.08553@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:16th rest@:44@:0@:3.78@:6.5183@:2.58302@:3.78@:0@:4@} [44]
@{char@:1/2 Sharp (3 beams)@:54@:0@:2.66475@:3.64651@:3.64651@:2.66475@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:32th rest@:45@:0@:4.09502@:6.5183@:5.73303@:4.09502@:0@:5@} [45]
@{char@:3/4 Sharp@:55@:0@:4.48804@:4.20752@:4.20752@:4.48804@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:Natural@:56@:0@:1.87001@:4.20752@:4.20752@:1.87001@:0@:natural@}
[56
@{char@:64th rest@:46@:0@:4.40999@:9.6683@:5.73303@:4.40999@:0@:6@} [46]]
@{char@:Arrowed Natural (arrow up)@:57@:1.27414@:1.87001@:4.20752@:7.57352@:1.8
7001@:0@:natural.arrowup@} [57]
@{char@:128th rest@:47@:0@:4.72502@:9.6683@:8.88304@:4.72502@:0@:7@} [47]
@{puorg@:rests@}
) (feta-accidentals.mf
@{char@:Arrowed Natural (arrow down)@:58@:0@:1.87001@:7.57352@:4.20752@:1.87001
@:0@:natural.arrowdown@} [58]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:3.46503@:4.72502@:4.72502@:3.46503@:0@:sharp@} [48]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.27414@:1.87001@:7.57352@:7.
57352@:1.87001@:0@:natural.arrowboth@} [59]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:3.46503@:4.72502@:8.50502@:3.46503@:0@
:sharp.arrowup@} [49]
@{char@:Flat@:60@:0.50966@:2.24402@:1.68303@:5.3295@:2.24402@:0@:flat@}
[60]( echo ./out/feta14.tfm:  > out/feta14.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta14.mf;" 

@{char@:Arrowed Flat (arrow up)@:61@:1.46526@:2.24402@:1.68303@:7.57352@:2.2440
2@:0@:flat.arrowup@} [61]
@{char@:Arrowed Sharp (arrow down)@:50@:0.65483@:3.46503@:8.50502@:4.72502@:3.4
6503@:0@:sharp.arrowdown@} [50]
@{char@:Arrowed Flat (arrow down)@:62@:1.46526@:2.24402@:6.17107@:5.3295@:2.244
02@:0@:flat.arrowdown@} [62]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.46526@:2.24402@:6.17107@:7.5735
2@:2.24402@:0@:flat.arrowboth@} [63]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.65483@:3.46503@:8.50502@:8.50
502@:3.46503@:0@:sharp.arrowboth@} [51]
@{char@:Flat (slashed)@:64@:1.12198@:2.24402@:1.68303@:5.3295@:2.24402@:0@:flat
.slash@} [64]
@{char@:1/2 Sharp@:52@:0@:2.205@:4.72502@:4.72502@:2.205@:0@:sharp.slashslash.s
tem@} [52]
@{char@:Flat (slashed twice)@:65@:1.12198@:2.24402@:1.68303@:5.3295@:2.24402@:0
@:flat.slashslash@} [65]
@{char@:Flatflat (mirrored)@:66@:0@:4.48804@:1.68303@:5.3295@:4.48804@:0@:mirro
redflat.flat@} [66]
@{char@:Sharp (3 beams)@:53@:0@:3.46503@:4.72502@:4.72502@:3.46503@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:Semi flat@:67@:0.50966@:2.24402@:1.68303@:5.3295@:2.24402@:0@:mirroredf
lat@} [67]
@{char@:Semi flat@:68@:1.12198@:2.24402@:1.68303@:5.3295@:2.24402@:0@:mirroredf
lat.backslash@} [68]
@{char@:1/2 Sharp (3 beams)@:54@:0@:2.9925@:4.09502@:4.09502@:2.9925@:0@:sharp.
slashslashslash.stem@} [54]
@{char@:Double Flat@:69@:0.50966@:4.06725@:1.68303@:5.3295@:4.06725@:0@:flatfla
t@} [69]
@{char@:3/4 Sharp@:55@:0@:5.04004@:4.72502@:4.72502@:5.04004@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:3/4 Flat@:70@:0.50966@:4.06725@:1.68303@:5.3295@:4.06725@:0@:flatflat.s
lash@} [70]
@{char@:Double Sharp@:71@:0@:2.80501@:1.40251@:1.40251@:2.80501@:0@:doublesharp
@} [71]
@{char@:Natural@:56@:0@:2.1@:4.72502@:4.72502@:2.1@:0@:natural@} [56]
@{char@:Right Parenthesis@:72@:0@:1.82722@:2.80501@:2.80501@:1.82722@:0@:rightp
aren@} [72]
@{char@:Left Parenthesis@:73@:1.82722@:0@:2.80501@:2.80501@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
) (feta-arrowheads.mf
@{group@:arrowheads@}
@{char@:open@:74@:2.80501@:0.33978@:1.40251@:1.40251@:0.33978@:0@:open.01@}
[74]
@{char@:Arrowed Natural (arrow up)@:57@:1.30966@:2.1@:4.72502@:8.50502@:2.1@:0@
:natural.arrowup@} [57]
@{char@:open@:75@:0.33978@:2.80501@:1.40251@:1.40251@:2.80501@:0@:open.0M1@}
[75]
@{char@:open@:76@:1.40251@:1.40251@:2.80501@:0.33978@:1.40251@:0@:open.11@}
[76]
@{char@:open@:77@:1.40251@:1.40251@:0.33978@:2.80501@:1.40251@:0@:open.1M1@}
[77]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.1@:8.50502@:4.72502@:2.1@:0@:nat
ural.arrowdown@} [58]
@{char@:close@:78@:2.80501@:0@:1.40251@:1.40251@:0@:0@:close.01@} [78]
@{char@:close@:79@:0@:2.80501@:1.40251@:1.40251@:2.80501@:0@:close.0M1@}
[79]
@{char@:close@:80@:1.40251@:1.40251@:2.80501@:0@:1.40251@:0@:close.11@}
[80]
@{char@:close@:81@:1.40251@:1.40251@:0@:2.80501@:1.40251@:0@:close.1M1@}
[81]
@{puorg@:arrowheads@}
) (feta-dots.mf
@{char@:Arrowed Natural (arrows up and down)@:59@:1.30966@:2.1@:8.50502@:8.5050
2@:2.1@:0@:natural.arrowboth@} [59]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.19016@:0.59508@:0.59508@:1.19016@:0@:dot@}
[82]
@{puorg@:dots@}
) (feta-scripts.mf
@{group@:scripts@}
@{char@:fermata up@:83@:3.8248@:3.8248@:0.31854@:4.17542@:3.8248@:0@:ufermata@}
[83]
@{char@:Flat@:60@:0.52386@:2.52002@:1.89003@:5.985@:2.52002@:0@:flat@} [60]
@{char@:fermata down@:84@:3.8248@:3.8248@:4.17542@:0.31854@:3.8248@:0@:dfermata
@} [84]
@{char@:short fermata up@:85@:2.80501@:2.80501@:0@:6.171@:2.80501@:0@:ushortfer
mata@} [85]
@{char@:Arrowed Flat (arrow up)@:61@:1.5061@:2.52002@:1.89003@:8.50502@:2.52002
@:0@:flat.arrowup@} [61]
@{char@:short fermata down@:86@:2.80501@:2.80501@:6.171@:0@:2.80501@:0@:dshortf
ermata@} [86]
@{char@:long fermata up@:87@:3.50627@:3.50627@:0@:4.20752@:3.50627@:0@:ulongfer
mata@} [87]
@{char@:Arrowed Flat (arrow down)@:62@:1.5061@:2.52002@:6.93007@:5.985@:2.52002
@:0@:flat.arrowdown@} [62]
@{char@:long fermata down@:88@:3.50627@:3.50627@:4.20752@:0@:3.50627@:0@:dlongf
ermata@} [88]
@{char@:very long fermata up@:89@:4.20752@:4.20752@:0@:4.48804@:4.20752@:0@:uve
rylongfermata@} [89]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.5061@:2.52002@:6.93007@:8.50502
@:2.52002@:0@:flat.arrowboth@} [63]
@{char@:very long fermata down@:90@:4.20752@:4.20752@:4.48804@:0@:4.20752@:0@:d
verylongfermata@} [90]
@{char@:Flat (slashed)@:64@:1.25998@:2.52002@:1.89003@:5.985@:2.52002@:0@:flat.
slash@} [64]
@{char@:Thumb@:91@:1.12201@:1.12201@:2.24403@:1.40251@:1.12201@:0@:thumb@}
[91]
@{char@:> accent@:92@:2.52449@:2.52449@:1.40251@:1.40251@:2.52449@:0@:sforzato@
} [92]
@{char@:Flat (slashed twice)@:65@:1.25998@:2.52002@:1.89003@:5.985@:2.52002@:0@
:flat.slashslash@} [65]
@{char@:espr@:93@:5.3295@:5.3295@:1.40251@:1.40251@:5.3295@:0@:espr@} [93]
@{char@:staccato dot@:94@:0.56099@:0.56099@:0.56099@:0.56099@:0.56099@:0@:stacc
ato@} [94]
@{char@:Flatflat (mirrored)@:66@:0@:5.04004@:1.89003@:5.985@:5.04004@:0@:mirror
edflat.flat@} [66]
@{char@:staccatissimo/martellato up@:95@:0.70523@:0.70523@:0.2@:2.94925@:0.7052
3@:0@:ustaccatissimo@} [95]
@{char@:staccatissimo/martellato down@:96@:0.70523@:0.70523@:2.94925@:0.2@:0.70
523@:0@:dstaccatissimo@} [96]
@{char@:Semi flat@:67@:0.52386@:2.52002@:1.89003@:5.985@:2.52002@:0@:mirroredfl
at@} [67]
@{char@:portato/single tenuto@:97@:1.68303@:1.68303@:0.33978@:0.33978@:1.68303@
:0@:tenuto@} [97]
@{char@:portato/tenuto with staccato@:98@:1.68303@:1.68303@:0.2973@:2.02437@:1.
68303@:0@:uportato@} [98]
@{char@:Semi flat@:68@:1.25998@:2.52002@:1.89003@:5.985@:2.52002@:0@:mirroredfl
at.backslash@} [68]
@{char@:portato/tenuto with staccato@:99@:1.68303@:1.68303@:2.02437@:0.2973@:1.
68303@:0@:dportato@} [99]
@{char@:marcato up@:100@:1.40251@:1.40251@:0@:3.08553@:1.40251@:0@:umarcato@}
[100]
@{char@:Double Flat@:69@:0.52386@:4.5675@:1.89003@:5.985@:4.5675@:0@:flatflat@}
[69]
@{char@:marcato down@:101@:1.40251@:1.40251@:3.08553@:0@:1.40251@:0@:dmarcato@}
[101]
@{char@:open (unstopped)@:102@:1.12201@:1.12201@:1.40251@:1.40251@:1.12201@:0@:
open@} [102]
@{char@:halfopen (unstopped)@:103@:1.12201@:1.12201@:1.40251@:1.40251@:1.12201@
:0@:halfopen@} [103]
@{char@:3/4 Flat@:70@:0.52386@:4.5675@:1.89003@:5.985@:4.5675@:0@:flatflat.slas
h@} [70]
@{char@:halfopen vertical@:104@:1.12201@:1.12201@:1.40251@:1.40251@:1.12201@:0@
:halfopenvertical@} [104]
@{char@:Double Sharp@:71@:0@:3.15001@:1.57501@:1.57501@:3.15001@:0@:doublesharp
@} [71]
@{char@:plus (stopped)@:105@:1.54277@:1.54277@:1.54277@:1.54277@:1.54277@:0@:st
opped@} [105]
@{char@:Upbow@:106@:1.82326@:1.82326@:0@:5.83444@:1.82326@:0@:upbow@} [106]
@{char@:Right Parenthesis@:72@:0@:2.01157@:3.15001@:3.15001@:2.01157@:0@:rightp
aren@} [72]
@{char@:Downbow@:107@:2.10376@:2.10376@:0@:3.73999@:2.10376@:0@:downbow@}
[107]
@{char@:Left Parenthesis@:73@:2.01157@:0@:3.15001@:3.15001@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
) (feta-arrowheads.mf
@{char@:Reverse turn@:108@:3.06798@:3.06798@:1.485@:1.485@:3.06798@:0@:reverset
urn@} [108]
@{group@:arrowheads@}
@{char@:open@:74@:3.15001@:0.34924@:1.57501@:1.57501@:0.34924@:0@:open.01@}
[74]
@{char@:Turn@:109@:3.06798@:3.06798@:1.485@:1.485@:3.06798@:0@:turn@} [109]
@{char@:open@:75@:0.34924@:3.15001@:1.57501@:1.57501@:3.15001@:0@:open.0M1@}
[75]
@{char@:open@:76@:1.57501@:1.57501@:3.15001@:0.34924@:1.57501@:0@:open.11@}
[76]
@{char@:open@:77@:1.57501@:1.57501@:0.34924@:3.15001@:1.57501@:0@:open.1M1@}
[77]
@{char@:Trill (`tr')@:110@:2.38428@:2.38428@:0@:5.89047@:2.38428@:0@:trill@}
[110]
@{char@:close@:78@:3.15001@:0@:1.57501@:1.57501@:0@:0@:close.01@} [78]
@{char@:left heel@:111@:1.40251@:1.40251@:1.40251@:1.87001@:1.40251@:0@:upedalh
eel@} [111]
@{char@:right heel@:112@:1.40251@:1.40251@:1.87001@:1.40251@:1.40251@:0@:dpedal
heel@} [112]
@{char@:close@:79@:0@:3.15001@:1.57501@:1.57501@:3.15001@:0@:close.0M1@}
[79]
@{char@:left toe@:113@:1.40251@:1.40251@:0@:4.20752@:1.40251@:0@:upedaltoe@}
[113]
@{char@:right toe@:114@:1.40251@:1.40251@:4.20752@:0@:1.40251@:0@:dpedaltoe@}
[114]
@{char@:close@:80@:1.57501@:1.57501@:3.15001@:0@:1.57501@:0@:close.11@}
[80]
@{char@:Flageolet@:115@:1.496@:1.496@:1.496@:1.496@:1.496@:0@:flageolet@}
[115]
@{char@:close@:81@:1.57501@:1.57501@:0@:3.15001@:1.57501@:0@:close.1M1@}
[81]
@{puorg@:arrowheads@}
) (feta-dots.mf
@{char@:Segno@:116@:2.80501@:2.80501@:4.20752@:4.20752@:2.80501@:0@:segno@}
[116]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.35674@:0.67838@:0.67838@:1.35674@:0@:dot@}
[82]
@{puorg@:dots@}
) (feta-scripts.mf
@{char@:Varied Segno@:117@:3.50627@:3.50627@:11.22003@:11.22003@:3.50627@:0@:va
rsegno@} [117]
@{group@:scripts@}
@{char@:fermata up@:83@:4.26494@:4.26494@:0.32742@:4.65869@:4.26494@:0@:ufermat
a@} [83]
@{char@:Coda@:118@:2.85178@:2.85178@:3.78677@:3.78677@:2.85178@:0@:coda@}
[118]
@{char@:fermata down@:84@:4.26494@:4.26494@:4.65869@:0.32742@:4.26494@:0@:dferm
ata@} [84]
@{char@:Varied Coda@:119@:2.99597@:2.99597@:3.93097@:3.93097@:2.99597@:0@:varco
da@} [119]
@{char@:short fermata up@:85@:3.15001@:3.15001@:0@:6.93001@:3.15001@:0@:ushortf
ermata@} [85]
@{char@:Right Comma@:120@:0@:1.40251@:1.68303@:1.68303@:1.40251@:0@:rcomma@}
[120]
@{char@:Left Comma@:121@:1.40251@:0@:1.68303@:1.68303@:0@:0@:lcomma@} [121]
@{char@:short fermata down@:86@:3.15001@:3.15001@:6.93001@:0@:3.15001@:0@:dshor
tfermata@} [86]
@{char@:Right Varied Comma@:122@:0.70125@:0.70125@:1.68303@:1.68303@:0.70125@:0
@:rvarcomma@} [122]
@{char@:Left Varied Comma@:123@:0.70125@:0.70125@:1.68303@:1.68303@:0.70125@:0@
:lvarcomma@} [123]
@{char@:long fermata up@:87@:3.93752@:3.93752@:0@:4.72502@:3.93752@:0@:ulongfer
mata@} [87]
@{char@:Arpeggio@:124@:0@:2.24402@:0@:2.80501@:2.24402@:0@:arpeggio@} [124]
@{char@:long fermata down@:88@:3.93752@:3.93752@:4.72502@:0@:3.93752@:0@:dlongf
ermata@} [88]
@{char@:Trill_element@:125@:0@:2.80501@:0@:2.24402@:2.80501@:0@:trill_element@}
[125]
@{char@:very long fermata up@:89@:4.72502@:4.72502@:0@:5.04004@:4.72502@:0@:uve
rylongfermata@} [89]
@{char@:Arpeggio arrow down@:126@:0@:2.24402@:0@:2.80501@:2.24402@:0@:arpeggio.
arrow.M1@} [126]
@{char@:very long fermata down@:90@:4.72502@:4.72502@:5.04004@:0@:4.72502@:0@:d
verylongfermata@} [90
@{char@:Arpeggio arrow up@:127@:0@:2.24402@:0@:2.80501@:2.24402@:0@:arpeggio.ar
row.1@} [127]] (feta-trills.mf
@{char@:Thumb@:91@:1.26001@:1.26001@:2.52003@:1.57501@:1.26001@:0@:thumb@}
[91]
@{char@:trilelement@:128@:1.16876@:1.16876@:1.40251@:1.40251@:1.16876@:0@:trile
lement@} [128]
@{char@:> accent@:92@:2.83499@:2.83499@:1.57501@:1.57501@:2.83499@:0@:sforzato@
} [92]
@{char@:prall@:129@:2.33751@:2.33751@:1.40251@:1.40251@:2.33751@:0@:prall@}
[129]
@{char@:espr@:93@:5.985@:5.985@:1.57501@:1.57501@:5.985@:0@:espr@} [93]
@{char@:staccato dot@:94@:0.62999@:0.62999@:0.62999@:0.62999@:0.62999@:0@:stacc
ato@} [94]
@{char@:staccatissimo/martellato up@:95@:0.75157@:0.75157@:0.2@:3.27159@:0.7515
7@:0@:ustaccatissimo@} [95]
@{char@:mordent@:130@:2.33751@:2.33751@:1.87001@:1.87001@:2.33751@:0@:mordent@}
[130]
@{char@:staccatissimo/martellato down@:96@:0.75157@:0.75157@:3.27159@:0.2@:0.75
157@:0@:dstaccatissimo@} [96]
@{char@:portato/single tenuto@:97@:1.89003@:1.89003@:0.34924@:0.34924@:1.89003@
:0@:tenuto@} [97]
@{char@:portato/tenuto with staccato@:98@:1.89003@:1.89003@:0.30559@:2.22488@:1
.89003@:0@:uportato@} [98]
@{char@:prallprall@:131@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:prallp
rall@} [131]
@{char@:portato/tenuto with staccato@:99@:1.89003@:1.89003@:2.22488@:0.30559@:1
.89003@:0@:dportato@} [99]
@{char@:marcato up@:100@:1.57501@:1.57501@:0@:3.46503@:1.57501@:0@:umarcato@}
[100]
@{char@:prallmordent@:132@:3.50627@:3.50627@:1.87001@:1.87001@:3.50627@:0@:pral
lmordent@} [132]
@{char@:marcato down@:101@:1.57501@:1.57501@:3.46503@:0@:1.57501@:0@:dmarcato@}
[101]
@{char@:open (unstopped)@:102@:1.26001@:1.26001@:1.57501@:1.57501@:1.26001@:0@:
open@} [102]
@{char@:halfopen (unstopped)@:103@:1.26001@:1.26001@:1.57501@:1.57501@:1.26001@
:0@:halfopen@} [103]
@{char@:upprall@:133@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:upprall@}
[133]
@{char@:halfopen vertical@:104@:1.26001@:1.26001@:1.57501@:1.57501@:1.26001@:0@
:halfopenvertical@} [104]
@{char@:upmordent@:134@:3.50627@:3.50627@:1.87001@:1.87001@:3.50627@:0@:upmorde
nt@} [134]
@{char@:pralldown@:135@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:pralldo
wn@} [135]
@{char@:plus (stopped)@:105@:1.73251@:1.73251@:1.73251@:1.73251@:1.73251@:0@:st
opped@} [105]
@{char@:Upbow@:106@:2.04752@:2.04752@:0@:6.55205@:2.04752@:0@:upbow@} [106]
@{char@:Downbow@:107@:2.36252@:2.36252@:0@:4.2@:2.36252@:0@:downbow@} [107]
@{char@:downprall@:136@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:downpra
ll@} [136]
@{char@:Reverse turn@:108@:3.44533@:3.44533@:1.66765@:1.66765@:3.44533@:0@:reve
rseturn@} [108
@{char@:downmordent@:137@:3.50627@:3.50627@:1.87001@:1.87001@:3.50627@:0@:downm
ordent@} [137]]
@{char@:prallup@:138@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:prallup@}
[138]
@{char@:Turn@:109@:3.44533@:3.44533@:1.66765@:1.66765@:3.44533@:0@:turn@}
[109]
@{char@:lineprall@:139@:3.50627@:3.50627@:1.40251@:5.61005@:3.50627@:0@:linepra
ll@} [139])
@{char@:Curved caesura@:140@:0@:5.61002@:2.24402@:3.366@:5.61002@:0@:caesura.cu
rved@} [140]
@{char@:Trill (`tr')@:110@:2.67752@:2.67752@:0@:6.61497@:2.67752@:0@:trill@}
[110]
@{char@:Straight caesura@:141@:0@:5.61002@:2.24402@:3.366@:5.61002@:0@:caesura.
straight@} [141]
@{char@:left heel@:111@:1.57501@:1.57501@:1.57501@:2.1@:1.57501@:0@:upedalheel@
} [111]
@{char@:Tick mark@:142@:1.68303@:3.08548@:0@:4.76851@:3.08548@:0@:tickmark@}
[142
@{char@:right heel@:112@:1.57501@:1.57501@:2.1@:1.57501@:1.57501@:0@:dpedalheel
@} [112]]
@{char@:left toe@:113@:1.57501@:1.57501@:0@:4.72502@:1.57501@:0@:upedaltoe@}
[113]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:1.496@:1.496@:1.496@:2.244@:1.4
96@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (feta-clefs.mf
@{char@:right toe@:114@:1.57501@:1.57501@:4.72502@:0@:1.57501@:0@:dpedaltoe@}
[114]
@{char@:Flageolet@:115@:1.68001@:1.68001@:1.68001@:1.68001@:1.68001@:0@:flageol
et@} [115]
@{group@:clefs@}
@{char@:C clef@:144@:0@:7.77383@:5.61002@:5.61002@:7.77383@:0@:C@} [144]
@{char@:Segno@:116@:3.15001@:3.15001@:4.72502@:4.72502@:3.15001@:0@:segno@}
[116]
@{char@:Varied Segno@:117@:3.93752@:3.93752@:12.60004@:12.60004@:3.93752@:0@:va
rsegno@} [117
@{char@:C clef@:145@:0@:6.30403@:4.48804@:4.48804@:6.30403@:0@:C_change@}
[145]]
@{char@:Coda@:118@:3.20253@:3.20253@:4.25253@:4.25253@:3.20253@:0@:coda@}
[118]
@{char@:F clef @:146@:0@:7.5268@:7.01253@:2.80501@:7.5268@:0@:F@} [146]
@{char@:F clef (reduced)@:147@:0@:6.02145@:5.61005@:2.24402@:6.02145@:0@:F_chan
ge@} [147]
@{char@:G clef@:148@:0@:7.1949@:7.15279@:13.46405@:7.1949@:0@:G@} [148]
@{char@:G clef@:149@:0@:5.75595@:5.72226@:11.12718@:5.75595@:0@:G_change@}
[149]
@{char@:percussion clef@:150@:-1.87935@:5.61002@:2.80501@:2.80501@:5.61002@:0@:
percussion@} [150]
@{char@:percussion clef (reduced)@:151@:-1.5035@:4.48804@:2.24402@:2.24402@:4.4
8804@:0@:percussion_change@} [151]
@{char@:tab clef@:152@:-0.56099@:7.85403@:8.07848@:8.07848@:7.85403@:0@:tab@}
[152]
@{char@:tab clef (reduced)@:153@:-0.44879@:6.28326@:6.46281@:6.46281@:6.28326@:
0@:tab_change@} [153]
@{puorg@:clefs@}
) (feta-timesignatures.mf
@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:4.62431@:2.80501@:2.80501@:4.62431@:0@:C44@}
[154]
@{char@:2/2 meter@:155@:0@:4.62431@:2.80501@:2.80501@:4.62431@:0@:C22@}
[155]
@{puorg@:timesig@}
) (feta-pedals.mf
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:4.36334@:0@:4.36334@:4.36334@:0@:*@} [156]
@{char@:Pedal dash@:157@:0@:2.96191@:0@:3.20572@:2.96191@:0@:M@} [157]
@{char@:Pedal dot@:158@:0@:0.9873@:0@:0.9873@:0.9873@:0@:.@} [158]
@{char@:Pedal P@:159@:0@:4.67502@:0@:5.61002@:4.67502@:0@:P@} [159]
@{char@:Pedal d@:160@:0@:3.74@:0@:4.90877@:3.74@:0@:d@} [160]
@{char@:Pedal e@:161@:0@:2.244@:0@:3.20572@:2.244@:0@:e@} [161]
@{char@:Pedal Ped@:162@:0@:8.95358@:0@:5.61002@:8.95358@:0@:Ped@} [162]
@{puorg@:pedal@}
) (feta-brackettips.mf
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:5.3295@:0.63112@:3.83725@:5.3295@:0@:up@}
[163]
@{char@:bracket tip down@:164@:0@:5.3295@:3.83725@:0.63112@:5.3295@:0@:down@}
[164]
@{puorg@:brackettips@}
) (feta-accordion.mf
@{group@:accordion@}
@{char@:accordion register discant@:165@:4.48358@:4.48358@:0.19325@:8.60829@:4.
48358@:0@:discant@} [165]
@{char@:accordion register dot@:166@:0.70126@:0.70126@:0.70126@:0.70126@:0.7012
6@:0@:dot@} [166]
@{char@:accordion register freebass@:167@:3.08107@:3.08107@:0.19325@:5.80327@:3
.08107@:0@:freebass@} [167]
@{char@:accordion register stdbass@:168@:5.88608@:5.88608@:0.19325@:11.41328@:5
.88608@:0@:stdbass@} [168]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:accordion register bayanbass@:169@:3.08107@:3.08107@:0.27606@:8.69109@:
3.08107@:0@:bayanbass@} [169]
@{char@:accordion oldEE@:170@:3.08107@:3.08107@:0@:5.9965@:3.08107@:0@:oldEE@}
[170]
@{char@:accordion push@:171@:2.75362@:0@:0@:6.88416@:0@:0@:push@} [171]
@{char@:accordion pull@:172@:2.18864@:0.56497@:0@:6.88416@:0.56497@:0@:pull@}
[172]
@{puorg@:accordion@}
) (feta-ties.mf
@{char@:Varied Coda@:119@:3.32407@:3.32407@:4.37407@:4.37407@:3.32407@:0@:varco
da@} [119
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:1.77647@:0@:0@:0@:lyric.short@} [173]]
@{char@:Default lyric tie@:174@:0@:0@:1.83879@:0@:0@:0@:lyric.default@}
[174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:11.22@}
@{parameter@:stafflinethickness@:0.42471@}
@{parameter@:staff_space@:2.80501@}
@{parameter@:linethickness@:0.42471@}
@{parameter@:black_notehead_width@:3.66487@}
@{parameter@:ledgerlinethickness@:0.84943@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:Right Comma@:120@:0@:1.57501@:1.89003@:1.89003@:1.57501@:0@:rcomma@}
[120]
@{char@:Left Comma@:121@:1.57501@:0@:1.89003@:1.89003@:0@:0@:lcomma@} [121]
@{char@:Right Varied Comma@:122@:0.7875@:0.7875@:1.89003@:1.89003@:0.7875@:0@:r
varcomma@} [122] )
(some charht values had to be adjusted by as much as 0.25249pt)
(some chardp values had to be adjusted by as much as 0.20262pt)
Font metrics written on feta11.tfm.
Output written on feta11.600gf (142 characters, 27152 bytes).
Transcript written on feta11.log.

@{char@:Left Varied Comma@:123@:0.7875@:0.7875@:1.89003@:1.89003@:0.7875@:0@:lv
arcomma@} [123]
(feta14.mf (feta-autometric.mf
@{char@:Arpeggio@:124@:0@:2.52002@:0@:3.15001@:2.52002@:0@:arpeggio@} [124]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-generic.mf (feta-macros.mf
@{char@:Trill_element@:125@:0@:3.15001@:0@:2.52002@:3.15001@:0@:trill_element@}
[125]) (feta-params.mf)
@{char@:Arpeggio arrow down@:126@:0@:2.52002@:0@:3.15001@:2.52002@:0@:arpeggio.
arrow.M1@} [126
@{font@:GNU@:LilyPond@:feta@:14.14@:fetaMusic@}
(feta-rests.mf]mv feta11.log feta11.tfm ./out

@{char@:Arpeggio arrow up@:127@:0@:2.52002@:0@:3.15001@:2.52002@:0@:arpeggio.ar
row.1@} [127] (feta-trills.mf( echo ./out/feta16.tfm:  > out/feta16.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta16.mf;" 

@{char@:trilelement@:128@:1.3125@:1.3125@:1.57501@:1.57501@:1.3125@:0@:trilelem
ent@} [128]
@{char@:prall@:129@:2.625@:2.625@:1.57501@:1.57501@:2.625@:0@:prall@} [129]
@{group@:rests@}
@{char@:whole rest@:33@:0@:5.3025@:2.20938@:0@:5.3025@:0@:0@} [33]
@{char@:half rest@:34@:0@:5.3025@:0@:2.20938@:5.3025@:0@:1@} [34]
@{char@:mordent@:130@:2.625@:2.625@:2.1@:2.1@:2.625@:0@:mordent@} [130]
@{char@:whole rest (outside staff)@:35@:0@:5.3025@:2.20938@:0.44977@:5.3025@:0@
:0o@} [35]
@{char@:half rest (outside staff)@:36@:0@:5.3025@:0.44977@:2.20938@:5.3025@:0@:
1o@} [36]
@{char@:maxima rest@:37@:0@:6.363@:3.535@:3.535@:6.363@:0@:M3@} [37]
@{char@:prallprall@:131@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:prallpral
l@} [131]
@{char@:longa rest@:38@:0@:2.121@:3.535@:3.535@:2.121@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:2.121@:0@:3.535@:2.121@:0@:M1@} [39]
@{char@:breve rest (outside staff)@:40@:0@:2.121@:0.44977@:3.535@:2.121@:0@:M1o
@} [40]
@{char@:prallmordent@:132@:3.9375@:3.9375@:2.1@:2.1@:3.9375@:0@:prallmordent@}
[132]
@{char@:Quarter rest@:41@:0@:3.35825@:4.41876@:5.52344@:3.35825@:0@:2@}
[41]
@{char@:upprall@:133@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:upprall@}
[133]
@{char@:Classical quarter rest@:42@:0@:3.535@:3.75989@:2.89871@:3.535@:0@:2clas
sical@} [42]
@{char@:upmordent@:134@:3.9375@:3.9375@:2.1@:2.1@:3.9375@:0@:upmordent@}
[134]
@{char@:pralldown@:135@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:pralldown@
} [135]
@{char@:8th rest@:43@:0@:3.535@:3.75989@:2.89871@:3.535@:0@:3@} [43]
@{char@:16th rest@:44@:0@:4.24199@:7.29489@:2.89871@:4.24199@:0@:4@} [44]
@{char@:downprall@:136@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:downprall@
} [136]
@{char@:downmordent@:137@:3.9375@:3.9375@:2.1@:2.1@:3.9375@:0@:downmordent@}
[137]
@{char@:prallup@:138@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:prallup@}
[138]
@{char@:32th rest@:45@:0@:4.59552@:7.29489@:6.43372@:4.59552@:0@:5@} [45]
@{char@:lineprall@:139@:3.9375@:3.9375@:1.57501@:6.30005@:3.9375@:0@:lineprall@
} [139])
@{char@:Curved caesura@:140@:0@:6.30002@:2.52002@:3.78@:6.30002@:0@:caesura.cur
ved@} [140]
@{char@:64th rest@:46@:0@:4.94899@:10.8299@:6.43372@:4.94899@:0@:6@} [46
@{char@:Straight caesura@:141@:0@:6.30002@:2.52002@:3.78@:6.30002@:0@:caesura.s
traight@} [141]]
@{char@:Tick mark@:142@:1.89003@:3.46498@:0@:5.35501@:3.46498@:0@:tickmark@}
[142]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:1.68001@:1.68001@:1.68001@:2.52
@:1.68001@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (feta-clefs.mf
@{char@:128th rest@:47@:0@:5.3025@:10.8299@:9.96872@:5.3025@:0@:7@} [47]
@{puorg@:rests@}
) (feta-accidentals.mf
@{group@:clefs@}
@{char@:C clef@:144@:0@:8.68958@:6.30002@:6.30002@:8.68958@:0@:C@} [144]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:3.88852@:5.3025@:5.3025@:3.88852@:0@:sharp@} [48]
@{char@:C clef@:145@:0@:7.03899@:5.04004@:5.04004@:7.03899@:0@:C_change@}
[145]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:3.88852@:5.3025@:9.5445@:3.88852@:0@:s
harp.arrowup@} [49]
@{char@:F clef @:146@:0@:8.45255@:7.87503@:3.15001@:8.45255@:0@:F@} [146]
@{char@:F clef (reduced)@:147@:0@:6.76207@:6.30005@:2.52002@:6.76207@:0@:F_chan
ge@} [147]
@{char@:Arrowed Sharp (arrow down)@:50@:0.67465@:3.88852@:9.5445@:5.3025@:3.888
52@:0@:sharp.arrowdown@} [50]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.67465@:3.88852@:9.5445@:9.544
5@:3.88852@:0@:sharp.arrowboth@} [51]
@{char@:G clef@:148@:0@:8.07983@:8.03253@:15.12006@:8.07983@:0@:G@} [148]
@{char@:1/2 Sharp@:52@:0@:2.47449@:5.3025@:5.3025@:2.47449@:0@:sharp.slashslash
.stem@} [52]
@{char@:Sharp (3 beams)@:53@:0@:3.88852@:5.3025@:5.3025@:3.88852@:0@:sharp.slas
hslashslash.stemstem@} [53]
@{char@:G clef@:149@:0@:6.4639@:6.42606@:12.49574@:6.4639@:0@:G_change@}
[149]
@{char@:1/2 Sharp (3 beams)@:54@:0@:3.35825@:4.59552@:4.59552@:3.35825@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:percussion clef@:150@:-2.1105@:6.30002@:3.15001@:3.15001@:6.30002@:0@:p
ercussion@} [150]
@{char@:percussion clef (reduced)@:151@:-1.68842@:5.04004@:2.52002@:2.52002@:5.
04004@:0@:percussion_change@} [151]
@{char@:3/4 Sharp@:55@:0@:5.65602@:5.3025@:5.3025@:5.65602@:0@:sharp.slashslash
.stemstemstem@} [55]
@{char@:Natural@:56@:0@:2.35667@:5.3025@:5.3025@:2.35667@:0@:natural@} [56]
@{char@:tab clef@:152@:-0.62999@:8.82004@:9.07208@:9.07208@:8.82004@:0@:tab@}
[152]
@{char@:Arrowed Natural (arrow up)@:57@:1.3493@:2.35667@:5.3025@:9.5445@:2.3566
7@:0@:natural.arrowup@} [57]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.35667@:9.5445@:5.3025@:2.35667@:
0@:natural.arrowdown@} [58]rm -f feta11.*gf  feta11.*pk

@{char@:tab clef (reduced)@:153@:-0.504@:7.05606@:7.25769@:7.25769@:7.05606@:0@
:tab_change@} [153]
@{puorg@:clefs@}
) (feta-timesignatures.mf
@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:5.23347@:3.15001@:3.15001@:5.23347@:0@:C44@}
[154]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.3493@:2.35667@:9.5445@:9.54
45@:2.35667@:0@:natural.arrowboth@} [59]
@{char@:2/2 meter@:155@:0@:5.23347@:3.15001@:3.15001@:5.23347@:0@:C22@}
[155]
@{puorg@:timesig@}
) (feta-pedals.mf
@{char@:Flat@:60@:0.53972@:2.82802@:2.12102@:6.71649@:2.82802@:0@:flat@}
[60]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:4.90001@:0@:4.90001@:4.90001@:0@:*@} [156]
@{char@:Arrowed Flat (arrow up)@:61@:1.5517@:2.82802@:2.12102@:9.54451@:2.82802
@:0@:flat.arrowup@} [61]
@{char@:Pedal dash@:157@:0@:3.15651@:0@:3.6@:3.15651@:0@:M@} [157]
@{char@:Pedal dot@:158@:0@:1.05217@:0@:1.05217@:1.05217@:0@:.@} [158]
@{char@:Arrowed Flat (arrow down)@:62@:1.5517@:2.82802@:7.77704@:6.71649@:2.828
02@:0@:flat.arrowdown@} [62]
@{char@:Pedal P@:159@:0@:5.25002@:0@:6.30002@:5.25002@:0@:P@} [159]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.5517@:2.82802@:7.77704@:9.54451
@:2.82802@:0@:flat.arrowboth@} [63
@{char@:Pedal d@:160@:0@:4.20001@:0@:5.51251@:4.20001@:0@:d@} [160]]
@{char@:Pedal e@:161@:0@:2.52@:0@:3.6@:2.52@:0@:e@} [161]
@{char@:Flat (slashed)@:64@:1.41399@:2.82802@:2.12102@:6.71649@:2.82802@:0@:fla
t.slash@} [64]
@{char@:Flat (slashed twice)@:65@:1.41399@:2.82802@:2.12102@:6.71649@:2.82802@:
0@:flat.slashslash@} [65]
@{char@:Pedal Ped@:162@:0@:10.05482@:0@:6.30002@:10.05482@:0@:Ped@} [162]
@{puorg@:pedal@}
)
@{char@:Flatflat (mirrored)@:66@:0@:5.65602@:2.12102@:6.71649@:5.65602@:0@:mirr
oredflat.flat@} [66] (feta-brackettips.mf
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:5.985@:0.70876@:4.3092@:5.985@:0@:up@} [163]
@{char@:Semi flat@:67@:0.53972@:2.82802@:2.12102@:6.71649@:2.82802@:0@:mirrored
flat@} [67]
@{char@:bracket tip down@:164@:0@:5.985@:4.3092@:0.70876@:5.985@:0@:down@}
[164]
@{puorg@:brackettips@}
) (feta-accordion.mf
@{char@:Semi flat@:68@:1.41399@:2.82802@:2.12102@:6.71649@:2.82802@:0@:mirrored
flat.backslash@} [68]
@{group@:accordion@}
@{char@:accordion register discant@:165@:5.00879@:5.00879@:0.19864@:9.64868@:5.
00879@:0@:discant@} [165]
@{char@:accordion register dot@:166@:0.7875@:0.7875@:0.7875@:0.7875@:0.7875@:0@
:dot@} [166]
@{char@:Double Flat@:69@:0.53972@:5.12575@:2.12102@:6.71649@:5.12575@:0@:flatfl
at@} [69]
@{char@:accordion register freebass@:167@:3.43378@:3.43378@:0.19864@:6.49866@:3
.43378@:0@:freebass@} [167]
@{char@:accordion register stdbass@:168@:6.58379@:6.58379@:0.19864@:12.79868@:6
.58379@:0@:stdbass@} [168]
@{char@:3/4 Flat@:70@:0.53972@:5.12575@:2.12102@:6.71649@:5.12575@:0@:flatflat.
slash@} [70
@{char@:accordion register bayanbass@:169@:3.43378@:3.43378@:0.28377@:9.7338@:3
.43378@:0@:bayanbass@} [169]]
@{char@:Double Sharp@:71@:0@:3.535@:1.7675@:1.7675@:3.535@:0@:doublesharp@}
[71]
@{char@:Right Parenthesis@:72@:0@:2.21727@:3.535@:3.535@:2.21727@:0@:rightparen
@} [72]
@{char@:Left Parenthesis@:73@:2.21727@:0@:3.535@:3.535@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
) (feta-arrowheads.mf
@{char@:accordion oldEE@:170@:3.43378@:3.43378@:0@:6.69728@:3.43378@:0@:oldEE@}
[170]
@{char@:accordion push@:171@:3.04382@:0@:0@:7.60968@:0@:0@:push@} [171]
@{group@:arrowheads@}
@{char@:open@:74@:3.535@:0.35982@:1.7675@:1.7675@:0.35982@:0@:open.01@}
[74]
@{char@:accordion pull@:172@:2.44975@:0.59407@:0@:7.60968@:0.59407@:0@:pull@}
[172]
@{puorg@:accordion@}
) (feta-ties.mf
@{char@:open@:75@:0.35982@:3.535@:1.7675@:1.7675@:3.535@:0@:open.0M1@} [75]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:1.99496@:0@:0@:0@:lyric.short@} [173]
@{char@:open@:76@:1.7675@:1.7675@:3.535@:0.35982@:1.7675@:0@:open.11@} [76]
@{char@:Default lyric tie@:174@:0@:0@:2.06496@:0@:0@:0@:lyric.default@}
[174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:12.6@}
@{parameter@:stafflinethickness@:0.43655@}
@{parameter@:staff_space@:3.15001@}
@{parameter@:linethickness@:0.43655@}
@{parameter@:black_notehead_width@:4.12764@}
@{parameter@:ledgerlinethickness@:0.87311@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:open@:77@:1.7675@:1.7675@:0.35982@:3.535@:1.7675@:0@:open.1M1@}
[77]
@{char@:close@:78@:3.535@:0@:1.7675@:1.7675@:0@:0@:close.01@} [78]
@{char@:close@:79@:0@:3.535@:1.7675@:1.7675@:3.535@:0@:close.0M1@} [79] )
(some charht values had to be adjusted by as much as 0.28354pt)
(some chardp values had to be adjusted by as much as 0.21828pt)
Font metrics written on feta13.tfm.
Output written on feta13.600gf (142 characters, 30228 bytes).
Transcript written on feta13.log.

@{char@:close@:80@:1.7675@:1.7675@:3.535@:0@:1.7675@:0@:close.11@} [80]
@{char@:close@:81@:1.7675@:1.7675@:0@:3.535@:1.7675@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
) (feta-dots.mf
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.54262@:0.77132@:0.77132@:1.54262@:0@:dot@}
[82]
@{puorg@:dots@}
) (feta-scripts.mf
@{group@:scripts@}
@{char@:fermata up@:83@:4.75609@:4.75609@:0.33733@:5.19797@:4.75609@:0@:ufermat
a@} [83]
@{char@:fermata down@:84@:4.75609@:4.75609@:5.19797@:0.33733@:4.75609@:0@:dferm
ata@} [84]
@{char@:short fermata up@:85@:3.535@:3.535@:0@:7.777@:3.535@:0@:ushortfermata@}
[85]
@{char@:short fermata down@:86@:3.535@:3.535@:7.777@:0@:3.535@:0@:dshortfermata
@} [86]
@{char@:long fermata up@:87@:4.41876@:4.41876@:0@:5.3025@:4.41876@:0@:ulongferm
ata@} [87]
@{char@:long fermata down@:88@:4.41876@:4.41876@:5.3025@:0@:4.41876@:0@:dlongfe
rmata@} [88]
@{char@:very long fermata up@:89@:5.3025@:5.3025@:0@:5.65602@:5.3025@:0@:uveryl
ongfermata@} [89mv feta13.log feta13.tfm ./out
]
@{char@:very long fermata down@:90@:5.3025@:5.3025@:5.65602@:0@:5.3025@:0@:dver
ylongfermata@} [90]( echo ./out/feta18.tfm:  > out/feta18.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta18.mf;" 

@{char@:Thumb@:91@:1.414@:1.414@:2.82802@:1.7675@:1.414@:0@:thumb@} [91]
@{char@:> accent@:92@:3.18149@:3.18149@:1.7675@:1.7675@:3.18149@:0@:sforzato@}
[92]
@{char@:espr@:93@:6.71649@:6.71649@:1.7675@:1.7675@:6.71649@:0@:espr@} [93]
@{char@:staccato dot@:94@:0.70699@:0.70699@:0.70699@:0.70699@:0.70699@:0@:stacc
ato@} [94]
@{char@:staccatissimo/martellato up@:95@:0.80328@:0.80328@:0.2@:3.6313@:0.80328
@:0@:ustaccatissimo@} [95]
@{char@:staccatissimo/martellato down@:96@:0.80328@:0.80328@:3.6313@:0.2@:0.803
28@:0@:dstaccatissimo@} [96]
@{char@:portato/single tenuto@:97@:2.12102@:2.12102@:0.35982@:0.35982@:2.12102@
:0@:tenuto@} [97]
@{char@:portato/tenuto with staccato@:98@:2.12102@:2.12102@:0.31483@:2.44862@:2
.12102@:0@:uportato@} [98]
@{char@:portato/tenuto with staccato@:99@:2.12102@:2.12102@:2.44862@:0.31483@:2
.12102@:0@:dportato@} [99]
@{char@:marcato up@:100@:1.7675@:1.7675@:0@:3.88852@:1.7675@:0@:umarcato@}
[100]
@{char@:marcato down@:101@:1.7675@:1.7675@:3.88852@:0@:1.7675@:0@:dmarcato@}
[101]
@{char@:open (unstopped)@:102@:1.414@:1.414@:1.7675@:1.7675@:1.414@:0@:open@}
[102]
@{char@:halfopen (unstopped)@:103@:1.414@:1.414@:1.7675@:1.7675@:1.414@:0@:half
open@} [103]
@{char@:halfopen vertical@:104@:1.414@:1.414@:1.7675@:1.7675@:1.414@:0@:halfope
nvertical@} [104]
@{char@:plus (stopped)@:105@:1.94426@:1.94426@:1.94426@:1.94426@:1.94426@:0@:st
opped@} [105]
@{char@:Upbow@:106@:2.29776@:2.29776@:0@:7.35286@:2.29776@:0@:upbow@} [106]
@{char@:Downbow@:107@:2.65126@:2.65126@:0@:4.71332@:2.65126@:0@:downbow@}
[107]
@{char@:Reverse turn@:108@:3.86641@:3.86641@:1.87148@:1.87148@:3.86641@:0@:reve
rseturn@} [108]
@{char@:Turn@:109@:3.86641@:3.86641@:1.87148@:1.87148@:3.86641@:0@:turn@}
[109]
@{char@:Trill (`tr')@:110@:3.00478@:3.00478@:0@:7.42348@:3.00478@:0@:trill@}
[110]
@{char@:left heel@:111@:1.7675@:1.7675@:1.7675@:2.35667@:1.7675@:0@:upedalheel@
} [111]
@{char@:right heel@:112@:1.7675@:1.7675@:2.35667@:1.7675@:1.7675@:0@:dpedalheel
@} [112]
@{char@:left toe@:113@:1.7675@:1.7675@:0@:5.3025@:1.7675@:0@:upedaltoe@}
[113]
@{char@:right toe@:114@:1.7675@:1.7675@:5.3025@:0@:1.7675@:0@:dpedaltoe@}
[114]
@{char@:Flageolet@:115@:1.88533@:1.88533@:1.88533@:1.88533@:1.88533@:0@:flageol
et@} [115]
@{char@:Segno@:116@:3.535@:3.535@:5.3025@:5.3025@:3.535@:0@:segno@} [116]
@{char@:Varied Segno@:117@:4.41876@:4.41876@:14.14001@:14.14001@:4.41876@:0@:va
rsegno@} [117]
@{char@:Coda@:118@:3.59395@:3.59395@:4.77228@:4.77228@:3.59395@:0@:coda@}
[118]
@{char@:Varied Coda@:119@:3.6902@:3.6902@:4.86853@:4.86853@:3.6902@:0@:varcoda@
} [119]
@{char@:Right Comma@:120@:0@:1.7675@:2.12102@:2.12102@:1.7675@:0@:rcomma@}
[120]
@{char@:Left Comma@:121@:1.7675@:0@:2.12102@:2.12102@:0@:0@:lcomma@} [121]
@{char@:Right Varied Comma@:122@:0.88376@:0.88376@:2.12102@:2.12102@:0.88376@:0
@:rvarcomma@} [122]
@{char@:Left Varied Comma@:123@:0.88376@:0.88376@:2.12102@:2.12102@:0.88376@:0@
:lvarcomma@} [123]
@{char@:Arpeggio@:124@:0@:2.82802@:0@:3.535@:2.82802@:0@:arpeggio@} [124]
@{char@:Trill_element@:125@:0@:3.535@:0@:2.82802@:3.535@:0@:trill_element@}
[125]rm -f feta13.*gf  feta13.*pk

@{char@:Arpeggio arrow down@:126@:0@:2.82802@:0@:3.535@:2.82802@:0@:arpeggio.ar
row.M1@} [126]
@{char@:Arpeggio arrow up@:127@:0@:2.82802@:0@:3.535@:2.82802@:0@:arpeggio.arro
w.1@} [127] (feta-trills.mf
@{char@:trilelement@:128@:1.47292@:1.47292@:1.7675@:1.7675@:1.47292@:0@:trilele
ment@} [128]
@{char@:prall@:129@:2.94583@:2.94583@:1.7675@:1.7675@:2.94583@:0@:prall@}
[129]
@{char@:mordent@:130@:2.94583@:2.94583@:2.35666@:2.35666@:2.94583@:0@:mordent@}
[130]
@{char@:prallprall@:131@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:prallpra
ll@} [131]
@{char@:prallmordent@:132@:4.41875@:4.41875@:2.35666@:2.35666@:4.41875@:0@:pral
lmordent@} [132]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:upprall@:133@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:upprall@}
[133]
@{char@:upmordent@:134@:4.41875@:4.41875@:2.35666@:2.35666@:4.41875@:0@:upmorde
nt@} [134]
@{char@:pralldown@:135@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:pralldown
@} [135]
@{char@:downprall@:136@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:downprall
@} [136]
@{char@:downmordent@:137@:4.41875@:4.41875@:2.35666@:2.35666@:4.41875@:0@:downm
ordent@} [137]
@{char@:prallup@:138@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:prallup@}
[138]
@{char@:lineprall@:139@:4.41875@:4.41875@:1.7675@:7.07@:4.41875@:0@:lineprall@}
[139])
@{char@:Curved caesura@:140@:0@:7.07@:2.82802@:4.24199@:7.07@:0@:caesura.curved
@} [140]
@{char@:Straight caesura@:141@:0@:7.07@:2.82802@:4.24199@:7.07@:0@:caesura.stra
ight@} [141]
@{char@:Tick mark@:142@:2.12102@:3.88847@:0@:6.00949@:3.88847@:0@:tickmark@}
[142]
(feta16.mf
@{char@:snap pizzicato (Bartok pizzicato)@:143@:1.88533@:1.88533@:1.88533@:2.82
8@:1.88533@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (feta-autometric.mf (feta-clefs.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-generic.mf (feta-macros.mf) (feta-params.mf
@{group@:clefs@}
@{char@:C clef@:144@:0@:9.71149@:7.07@:7.07@:9.71149@:0@:C@} [144])
@{font@:GNU@:LilyPond@:feta@:15.87@:fetaMusic@}
(feta-rests.mf
@{char@:C clef@:145@:0@:7.85918@:5.65604@:5.65604@:7.85918@:0@:C_change@}
[145]
@{char@:F clef @:146@:0@:9.48561@:8.83751@:3.535@:9.48561@:0@:F@} [146
@{group@:rests@}
@{char@:whole rest@:33@:0@:5.95125@:2.47969@:0@:5.95125@:0@:0@} [33]]
@{char@:half rest@:34@:0@:5.95125@:0@:2.47969@:5.95125@:0@:1@} [34]
@{char@:whole rest (outside staff)@:35@:0@:5.95125@:2.47969@:0.46461@:5.95125@:
0@:0o@} [35]
@{char@:F clef (reduced)@:147@:0@:7.58853@:7.07005@:2.82802@:7.58853@:0@:F_chan
ge@} [147]
@{char@:half rest (outside staff)@:36@:0@:5.95125@:0.46461@:2.47969@:5.95125@:0
@:1o@} [36]
@{char@:maxima rest@:37@:0@:7.14148@:3.9675@:3.9675@:7.14148@:0@:M3@} [37]
@{char@:longa rest@:38@:0@:2.3805@:3.9675@:3.9675@:2.3805@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:2.3805@:0@:3.9675@:2.3805@:0@:M1@} [39]( echo ./out/feta20.tfm:  > out/feta20.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta20.mf;" 

@{char@:breve rest (outside staff)@:40@:0@:2.3805@:0.46461@:3.9675@:2.3805@:0@:
M1o@} [40]
@{char@:G clef@:148@:0@:9.06735@:9.01427@:16.96803@:9.06735@:0@:G@} [148]
@{char@:Quarter rest@:41@:0@:3.76912@:4.95938@:6.1992@:3.76912@:0@:2@} [41]
@{char@:Classical quarter rest@:42@:0@:3.9675@:4.19981@:3.25336@:3.9675@:0@:2cl
assical@} [42]
@{char@:8th rest@:43@:0@:3.9675@:4.19981@:3.25336@:3.9675@:0@:3@} [43]
@{char@:G clef@:149@:0@:7.25392@:7.21146@:14.02298@:7.25392@:0@:G_change@}
[149]
@{char@:16th rest@:44@:0@:4.76099@:8.16731@:3.25336@:4.76099@:0@:4@} [44]
@{char@:percussion clef@:150@:-2.36844@:7.07@:3.535@:3.535@:7.07@:0@:percussion
@} [150]
@{char@:percussion clef (reduced)@:151@:-1.89476@:5.65604@:2.82802@:2.82802@:5.
65604@:0@:percussion_change@} [151]
@{char@:32th rest@:45@:0@:5.15776@:8.16731@:7.22086@:5.15776@:0@:5@} [45]
@{char@:64th rest@:46@:0@:5.55447@:12.13481@:7.22086@:5.55447@:0@:6@} [46]
@{char@:tab clef@:152@:-0.70699@:9.89803@:10.18088@:10.18088@:9.89803@:0@:tab@}
[152]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:128th rest@:47@:0@:5.95125@:12.13481@:11.18835@:5.95125@:0@:7@}
[47]
@{puorg@:rests@}
) (feta-accidentals.mf
@{char@:tab clef (reduced)@:153@:-0.5656@:7.91846@:8.14473@:8.14473@:7.91846@:0
@:tab_change@} [153]
@{puorg@:clefs@}
) (feta-timesignatures.mf
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:4.36427@:5.95125@:5.95125@:4.36427@:0@:sharp@} [48]
@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:5.91325@:3.535@:3.535@:5.91325@:0@:C44@} [154]
@{char@:2/2 meter@:155@:0@:5.91325@:3.535@:3.535@:5.91325@:0@:C22@} [155]
@{puorg@:timesig@}
) (feta-pedals.mf
@{char@:Arrowed Sharp (arrow up)@:49@:0@:4.36427@:5.95125@:10.71223@:4.36427@:0
@:sharp.arrowup@} [49]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:5.4989@:0@:5.4989@:5.4989@:0@:*@} [156]
@{char@:Pedal dash@:157@:0@:3.37372@:0@:4.04001@:3.37372@:0@:M@} [157]
@{char@:Arrowed Sharp (arrow down)@:50@:0.69693@:4.36427@:10.71223@:5.95125@:4.
36427@:0@:sharp.arrowdown@} [50]
@{char@:Pedal dot@:158@:0@:1.12457@:0@:1.12457@:1.12457@:0@:.@} [158]
(feta18.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Pedal P@:159@:0@:5.89168@:0@:7.07@:5.89168@:0@:P@} [159] (feta-generic.mf
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.69693@:4.36427@:10.71223@:10.
71223@:4.36427@:0@:sharp.arrowboth@} [51] (feta-macros.mf
@{char@:Pedal d@:160@:0@:4.71333@:0@:6.18626@:4.71333@:0@:d@} [160])
@{char@:1/2 Sharp@:52@:0@:2.77724@:5.95125@:5.95125@:2.77724@:0@:sharp.slashsla
sh.stem@} [52] (feta-params.mf
@{char@:Pedal e@:161@:0@:2.828@:0@:4.04001@:2.828@:0@:e@} [161])
@{font@:GNU@:LilyPond@:feta@:17.82@:fetaMusic@}
(feta-rests.mf
@{char@:Sharp (3 beams)@:53@:0@:4.36427@:5.95125@:5.95125@:4.36427@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:1/2 Sharp (3 beams)@:54@:0@:3.76912@:5.15776@:5.15776@:3.76912@:0@:shar
p.slashslashslash.stem@} [54]
@{group@:rests@}
@{char@:whole rest@:33@:0@:6.68251@:2.78438@:0@:6.68251@:0@:0@} [33]
@{char@:half rest@:34@:0@:6.68251@:0@:2.78438@:6.68251@:0@:1@} [34]
@{char@:Pedal Ped@:162@:0@:11.28372@:0@:7.07@:11.28372@:0@:Ped@} [162]
@{puorg@:pedal@}
) (feta-brackettips.mf
@{char@:3/4 Sharp@:55@:0@:6.34802@:5.95125@:5.95125@:6.34802@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:whole rest (outside staff)@:35@:0@:6.68251@:2.78438@:0.48134@:6.68251@:
0@:0o@} [35]
@{char@:half rest (outside staff)@:36@:0@:6.68251@:0.48134@:2.78438@:6.68251@:0
@:1o@} [36]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:6.71649@:0.79538@:4.83588@:6.71649@:0@:up@}
[163]
@{char@:maxima rest@:37@:0@:8.01901@:4.455@:4.455@:8.01901@:0@:M3@} [37]
@{char@:Natural@:56@:0@:2.645@:5.95125@:5.95125@:2.645@:0@:natural@} [56]
@{char@:longa rest@:38@:0@:2.673@:4.455@:4.455@:2.673@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:2.673@:0@:4.455@:2.673@:0@:M1@} [39
@{char@:bracket tip down@:164@:0@:6.71649@:4.83588@:0.79538@:6.71649@:0@:down@}
[164]]
@{puorg@:brackettips@}
) (feta-accordion.mf
@{char@:breve rest (outside staff)@:40@:0@:2.673@:0.48134@:4.455@:2.673@:0@:M1o
@} [40]
@{char@:Arrowed Natural (arrow up)@:57@:1.39384@:2.645@:5.95125@:10.71223@:2.64
5@:0@:natural.arrowup@} [57]
@{group@:accordion@}
@{char@:accordion register discant@:165@:5.59486@:5.59486@:0.20465@:10.80966@:5
.59486@:0@:discant@} [165]
@{char@:Quarter rest@:41@:0@:4.23224@:5.56876@:6.96094@:4.23224@:0@:2@}
[41]
@{char@:accordion register dot@:166@:0.88376@:0.88376@:0.88376@:0.88376@:0.8837
6@:0@:dot@} [166]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.645@:10.71223@:5.95125@:2.645@:0
@:natural.arrowdown@} [58]
@{char@:Classical quarter rest@:42@:0@:4.455@:4.69568@:3.6531@:4.455@:0@:2class
ical@} [42]
@{char@:accordion register freebass@:167@:3.82736@:3.82736@:0.20465@:7.27466@:3
.82736@:0@:freebass@} [167]
@{char@:8th rest@:43@:0@:4.455@:4.69568@:3.6531@:4.455@:0@:3@} [43]( echo ./out/feta23.tfm:  > out/feta23.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta23.mf;" 

@{char@:Arrowed Natural (arrows up and down)@:59@:1.39384@:2.645@:10.71223@:10.
71223@:2.645@:0@:natural.arrowboth@} [59]
@{char@:accordion register stdbass@:168@:7.36237@:7.36237@:0.20465@:14.34467@:7
.36237@:0@:stdbass@} [168]
@{char@:16th rest@:44@:0@:5.346@:9.15068@:3.6531@:5.346@:0@:4@} [44]
@{char@:Flat@:60@:0.55754@:3.17401@:2.38052@:7.53822@:3.17401@:0@:flat@}
[60]
@{char@:accordion register bayanbass@:169@:3.82736@:3.82736@:0.29236@:10.89737@
:3.82736@:0@:bayanbass@} [169]
@{char@:32th rest@:45@:0@:5.79152@:9.15068@:8.10811@:5.79152@:0@:5@} [45]
@{char@:Arrowed Flat (arrow up)@:61@:1.60292@:3.17401@:2.38052@:10.71223@:3.174
01@:0@:flat.arrowup@} [61]
@{char@:64th rest@:46@:0@:6.23697@:13.60568@:8.10811@:6.23697@:0@:6@} [46
@{char@:Arrowed Flat (arrow down)@:62@:1.60292@:3.17401@:8.72855@:7.53822@:3.17
401@:0@:flat.arrowdown@} [62]]
@{char@:accordion oldEE@:170@:3.82736@:3.82736@:0@:7.4793@:3.82736@:0@:oldEE@}
[170]
@{char@:accordion push@:171@:3.36768@:0@:0@:8.41931@:0@:0@:push@} [171]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.60292@:3.17401@:8.72855@:10.712
23@:3.17401@:0@:flat.arrowboth@} [63]
@{char@:accordion pull@:172@:2.74115@:0.62653@:0@:8.41931@:0.62653@:0@:pull@}
[172]
@{puorg@:accordion@}
)
@{char@:128th rest@:47@:0@:6.68251@:13.60568@:12.56311@:6.68251@:0@:7@}
[47]
@{puorg@:rests@}
) (feta-ties.mf (feta-accidentals.mf
@{char@:Flat (slashed)@:64@:1.58698@:3.17401@:2.38052@:7.53822@:3.17401@:0@:fla
t.slash@} [64]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:2.23882@:0@:0@:0@:lyric.short@} [173]
@{char@:Default lyric tie@:174@:0@:0@:2.31735@:0@:0@:0@:lyric.default@}
[174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:14.14@}
@{parameter@:stafflinethickness@:0.44977@}
@{parameter@:staff_space@:3.535@}
@{parameter@:linethickness@:0.44977@}
@{parameter@:black_notehead_width@:4.64114@}
@{parameter@:ledgerlinethickness@:0.89954@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:4.90053@:6.68251@:6.68251@:4.90053@:0@:sharp@} [48]
@{char@:Flat (slashed twice)@:65@:1.58698@:3.17401@:2.38052@:7.53822@:3.17401@:
0@:flat.slashslash@} [65]
@{char@:Flatflat (mirrored)@:66@:0@:6.34802@:2.38052@:7.53822@:6.34802@:0@:mirr
oredflat.flat@} [66]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:4.90053@:6.68251@:12.0285@:4.90053@:0@
:sharp.arrowup@} [49]
@{char@:Semi flat@:67@:0.55754@:3.17401@:2.38052@:7.53822@:3.17401@:0@:mirrored
flat@} [67]
@{char@:Semi flat@:68@:1.58698@:3.17401@:2.38052@:7.53822@:3.17401@:0@:mirrored
flat.backslash@} [68]
@{char@:Arrowed Sharp (arrow down)@:50@:0.72202@:4.90053@:12.0285@:6.68251@:4.9
0053@:0@:sharp.arrowdown@} [50] )
(some charht values had to be adjusted by as much as 0.31819pt)
(some chardp values had to be adjusted by as much as 0.22903pt)
Font metrics written on feta14.tfm.
Output written on feta14.600gf (142 characters, 33812 bytes).
Transcript written on feta14.log.

@{char@:Double Flat@:69@:0.55754@:5.75287@:2.38052@:7.53822@:5.75287@:0@:flatfl
at@} [69]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.72202@:4.90053@:12.0285@:12.0
285@:4.90053@:0@:sharp.arrowboth@} [51]
@{char@:3/4 Flat@:70@:0.55754@:5.75287@:2.38052@:7.53822@:5.75287@:0@:flatflat.
slash@} [70]
@{char@:1/2 Sharp@:52@:0@:3.11848@:6.68251@:6.68251@:3.11848@:0@:sharp.slashsla
sh.stem@} [52
@{char@:Double Sharp@:71@:0@:3.9675@:1.98375@:1.98375@:3.9675@:0@:doublesharp@}
[71]]
@{char@:Right Parenthesis@:72@:0@:2.44836@:3.9675@:3.9675@:2.44836@:0@:rightpar
en@} [72]
@{char@:Left Parenthesis@:73@:2.44836@:0@:3.9675@:3.9675@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
) (feta-arrowheads.mf
@{char@:Sharp (3 beams)@:53@:0@:4.90053@:6.68251@:6.68251@:4.90053@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{group@:arrowheads@}
@{char@:open@:74@:3.9675@:0.3717@:1.98375@:1.98375@:0.3717@:0@:open.01@}
[74]
@{char@:open@:75@:0.3717@:3.9675@:1.98375@:1.98375@:3.9675@:0@:open.0M1@}
[75]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:1/2 Sharp (3 beams)@:54@:0@:4.23224@:5.79152@:5.79152@:4.23224@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:open@:76@:1.98375@:1.98375@:3.9675@:0.3717@:1.98375@:0@:open.11@}
[76]
@{char@:open@:77@:1.98375@:1.98375@:0.3717@:3.9675@:1.98375@:0@:open.1M1@}
[77]
@{char@:3/4 Sharp@:55@:0@:7.12804@:6.68251@:6.68251@:7.12804@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:close@:78@:3.9675@:0@:1.98375@:1.98375@:0@:0@:close.01@} [78]
@{char@:close@:79@:0@:3.9675@:1.98375@:1.98375@:3.9675@:0@:close.0M1@} [79]
@{char@:Natural@:56@:0@:2.97@:6.68251@:6.68251@:2.97@:0@:natural@} [56]
@{char@:close@:80@:1.98375@:1.98375@:3.9675@:0@:1.98375@:0@:close.11@} [80]
@{char@:close@:81@:1.98375@:1.98375@:0@:3.9675@:1.98375@:0@:close.1M1@}
[81]
@{puorg@:arrowheads@}
) (feta-dots.mf
@{char@:Arrowed Natural (arrow up)@:57@:1.44402@:2.97@:6.68251@:12.0285@:2.97@:
0@:natural.arrowup@} [57]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.75145@:0.87573@:0.87573@:1.75145@:0@:dot@}
[82]
@{puorg@:dots@}
) (feta-scripts.mf
@{group@:scripts@}
@{char@:fermata up@:83@:5.30785@:5.30785@:0.34846@:5.80379@:5.30785@:0@:ufermat
a@} [83]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.97@:12.0285@:6.68251@:2.97@:0@:n
atural.arrowdown@} [58]
@{char@:fermata down@:84@:5.30785@:5.30785@:5.80379@:0.34846@:5.30785@:0@:dferm
ata@} [84]
(feta20.mf (feta-autometric.mf
@{char@:short fermata up@:85@:3.9675@:3.9675@:0@:8.72849@:3.9675@:0@:ushortferm
ata@} [85]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Arrowed Natural (arrows up and down)@:59@:1.44402@:2.97@:12.0285@:12.02
85@:2.97@:0@:natural.arrowboth@} [59 (feta-generic.mf] (feta-macros.mf
@{char@:short fermata down@:86@:3.9675@:3.9675@:8.72849@:0@:3.9675@:0@:dshortfe
rmata@} [86]
@{char@:Flat@:60@:0.5776@:3.56401@:2.67303@:8.46448@:3.56401@:0@:flat@}
[60]
@{char@:long fermata up@:87@:4.95938@:4.95938@:0@:5.95125@:4.95938@:0@:ulongfer
mata@} [87)] (feta-params.mf
@{char@:long fermata down@:88@:4.95938@:4.95938@:5.95125@:0@:4.95938@:0@:dlongf
ermata@} [88]
@{char@:Arrowed Flat (arrow up)@:61@:1.66061@:3.56401@:2.67303@:12.02849@:3.564
01@:0@:flat.arrowup@} [61])
@{font@:GNU@:LilyPond@:feta@:20@:fetaMusic@}
(feta-rests.mf
@{char@:very long fermata up@:89@:5.95125@:5.95125@:0@:6.34802@:5.95125@:0@:uve
rylongfermata@} [89]
@{char@:Arrowed Flat (arrow down)@:62@:1.66061@:3.56401@:9.80107@:8.46448@:3.56
401@:0@:flat.arrowdown@} [62]
@{char@:very long fermata down@:90@:5.95125@:5.95125@:6.34802@:0@:5.95125@:0@:d
verylongfermata@} [90]
@{char@:Thumb@:91@:1.587@:1.587@:3.17401@:1.98375@:1.587@:0@:thumb@} [91]
@{group@:rests@}
@{char@:whole rest@:33@:0@:7.5@:3.125@:0@:7.5@:0@:0@} [33]
@{char@:> accent@:92@:3.57072@:3.57072@:1.98375@:1.98375@:3.57072@:0@:sforzato@
} [92]
@{char@:half rest@:34@:0@:7.5@:0@:3.125@:7.5@:0@:1@} [34]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.66061@:3.56401@:9.80107@:12.028
49@:3.56401@:0@:flat.arrowboth@} [63]
@{char@:espr@:93@:7.53822@:7.53822@:1.98375@:1.98375@:7.53822@:0@:espr@}
[93]
@{char@:whole rest (outside staff)@:35@:0@:7.5@:3.125@:0.50005@:7.5@:0@:0o@}
[35]
@{char@:staccato dot@:94@:0.79349@:0.79349@:0.79349@:0.79349@:0.79349@:0@:stacc
ato@} [94]
@{char@:Flat (slashed)@:64@:1.78197@:3.56401@:2.67303@:8.46448@:3.56401@:0@:fla
t.slash@} [64]mv feta14.log feta14.tfm ./out

@{char@:staccatissimo/martellato up@:95@:0.86139@:0.86139@:0.2@:4.0354@:0.86139
@:0@:ustaccatissimo@} [95]
@{char@:half rest (outside staff)@:36@:0@:7.5@:0.50005@:3.125@:7.5@:0@:1o@}
[36]
@{char@:staccatissimo/martellato down@:96@:0.86139@:0.86139@:4.0354@:0.2@:0.861
39@:0@:dstaccatissimo@} [96]( echo ./out/feta26.tfm:  > out/feta26.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta26.mf;" 

@{char@:portato/single tenuto@:97@:2.38052@:2.38052@:0.3717@:0.3717@:2.38052@:0
@:tenuto@} [97]
@{char@:maxima rest@:37@:0@:9@:5@:5@:9@:0@:M3@} [37]
@{char@:Flat (slashed twice)@:65@:1.78197@:3.56401@:2.67303@:8.46448@:3.56401@:
0@:flat.slashslash@} [65]
@{char@:longa rest@:38@:0@:3@:5@:5@:3@:0@:M2@} [38
@{char@:portato/tenuto with staccato@:98@:2.38052@:2.38052@:0.32523@:2.7@:2.380
52@:0@:uportato@} [98]]
@{char@:breve rest@:39@:0@:3@:0@:5@:3@:0@:M1@} [39
@{char@:Flatflat (mirrored)@:66@:0@:7.12804@:2.67303@:8.46448@:7.12804@:0@:mirr
oredflat.flat@} [66]]
@{char@:portato/tenuto with staccato@:99@:2.38052@:2.38052@:2.7@:0.32523@:2.380
52@:0@:dportato@} [99]
@{char@:marcato up@:100@:1.98375@:1.98375@:0@:4.36427@:1.98375@:0@:umarcato@}
[100]
@{char@:Semi flat@:67@:0.5776@:3.56401@:2.67303@:8.46448@:3.56401@:0@:mirroredf
lat@} [67]
@{char@:breve rest (outside staff)@:40@:0@:3@:0.50005@:5@:3@:0@:M1o@} [40]
@{char@:marcato down@:101@:1.98375@:1.98375@:4.36427@:0@:1.98375@:0@:dmarcato@}
[101]
@{char@:open (unstopped)@:102@:1.587@:1.587@:1.98375@:1.98375@:1.587@:0@:open@}
[102]
@{char@:Semi flat@:68@:1.78197@:3.56401@:2.67303@:8.46448@:3.56401@:0@:mirrored
flat.backslash@} [68]
@{char@:halfopen (unstopped)@:103@:1.587@:1.587@:1.98375@:1.98375@:1.587@:0@:ha
lfopen@} [103]
@{char@:Quarter rest@:41@:0@:4.74998@:6.25@:7.8125@:4.74998@:0@:2@} [41]
@{char@:halfopen vertical@:104@:1.587@:1.587@:1.98375@:1.98375@:1.587@:0@:halfo
penvertical@} [104]
@{char@:Double Flat@:69@:0.5776@:6.45973@:2.67303@:8.46448@:6.45973@:0@:flatfla
t@} [69]
@{char@:plus (stopped)@:105@:2.18214@:2.18214@:2.18214@:2.18214@:2.18214@:0@:st
opped@} [105]
@{char@:Classical quarter rest@:42@:0@:5@:5.25003@:4.1@:5@:0@:2classical@}
[42]
@{char@:Upbow@:106@:2.57889@:2.57889@:0@:8.25244@:2.57889@:0@:upbow@} [106]
@{char@:Downbow@:107@:2.97563@:2.97563@:0@:5.28998@:2.97563@:0@:downbow@}
[107]
@{char@:3/4 Flat@:70@:0.5776@:6.45973@:2.67303@:8.46448@:6.45973@:0@:flatflat.s
lash@} [70]
@{char@:8th rest@:43@:0@:5@:5.25003@:4.1@:5@:0@:3@} [43]
@{char@:Reverse turn@:108@:4.33946@:4.33946@:2.10045@:2.10045@:4.33946@:0@:reve
rseturn@} [108]
@{char@:Double Sharp@:71@:0@:4.455@:2.22751@:2.22751@:4.455@:0@:doublesharp@}
[71]
@{char@:Turn@:109@:4.33946@:4.33946@:2.10045@:2.10045@:4.33946@:0@:turn@}
[109]
@{char@:Right Parenthesis@:72@:0@:2.70885@:4.455@:4.455@:2.70885@:0@:rightparen
@} [72]
@{char@:Left Parenthesis@:73@:2.70885@:0@:4.455@:4.455@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
)
@{char@:16th rest@:44@:0@:5.99998@:10.25003@:4.1@:5.99998@:0@:4@} [44] (feta-arrowheads.mf
@{group@:arrowheads@}
@{char@:open@:74@:4.455@:0.38507@:2.22751@:2.22751@:0.38507@:0@:open.01@}
[74]
@{char@:Trill (`tr')@:110@:3.37239@:3.37239@:0@:8.33171@:3.37239@:0@:trill@}
[110]
@{char@:open@:75@:0.38507@:4.455@:2.22751@:2.22751@:4.455@:0@:open.0M1@}
[75]
@{char@:left heel@:111@:1.98375@:1.98375@:1.98375@:2.645@:1.98375@:0@:upedalhee
l@} [111]
@{char@:open@:76@:2.22751@:2.22751@:4.455@:0.38507@:2.22751@:0@:open.11@}
[76]
@{char@:right heel@:112@:1.98375@:1.98375@:2.645@:1.98375@:1.98375@:0@:dpedalhe
el@} [112
@{char@:32th rest@:45@:0@:6.50002@:10.25003@:9.1@:6.50002@:0@:5@} [45]]
@{char@:open@:77@:2.22751@:2.22751@:0.38507@:4.455@:2.22751@:0@:open.1M1@}
[77]
@{char@:left toe@:113@:1.98375@:1.98375@:0@:5.95125@:1.98375@:0@:upedaltoe@}
[113]
@{char@:close@:78@:4.455@:0@:2.22751@:2.22751@:0@:0@:close.01@} [78]
@{char@:right toe@:114@:1.98375@:1.98375@:5.95125@:0@:1.98375@:0@:dpedaltoe@}
[114]
@{char@:Flageolet@:115@:2.116@:2.116@:2.116@:2.116@:2.116@:0@:flageolet@}
[115]
@{char@:close@:79@:0@:4.455@:2.22751@:2.22751@:4.455@:0@:close.0M1@} [79]
@{char@:close@:80@:2.22751@:2.22751@:4.455@:0@:2.22751@:0@:close.11@} [80]
@{char@:64th rest@:46@:0@:6.99997@:15.25003@:9.1@:6.99997@:0@:6@} [46
@{char@:Segno@:116@:3.9675@:3.9675@:5.95125@:5.95125@:3.9675@:0@:segno@}
[116]]
@{char@:close@:81@:2.22751@:2.22751@:0@:4.455@:2.22751@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
) (feta-dots.mfThis is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{group@:dots@}
@{char@:duration dot@:82@:0@:1.98683@:0.99342@:0.99342@:1.98683@:0@:dot@}
[82]
@{puorg@:dots@}
)
@{char@:Varied Segno@:117@:4.95938@:4.95938@:15.87@:15.87@:4.95938@:0@:varsegno
@} [117 (feta-scripts.mf]rm -f feta14.*gf  feta14.*pk

@{group@:scripts@}
@{char@:fermata up@:83@:5.92976@:5.92976@:0.36101@:6.48665@:5.92976@:0@:ufermat
a@} [83]
@{char@:Coda@:118@:4.03365@:4.03365@:5.35614@:5.35614@:4.03365@:0@:coda@}
[118]
@{char@:fermata down@:84@:5.92976@:5.92976@:6.48665@:0.36101@:5.92976@:0@:dferm
ata@} [84]
@{char@:128th rest@:47@:0@:7.5@:15.25003@:14.1@:7.5@:0@:7@} [47
@{char@:Varied Coda@:119@:4.1015@:4.1015@:5.424@:5.424@:4.1015@:0@:varcoda@}
[119]]
@{puorg@:rests@}
) (feta-accidentals.mf
@{char@:Right Comma@:120@:0@:1.98375@:2.38052@:2.38052@:1.98375@:0@:rcomma@}
[120]
@{char@:short fermata up@:85@:4.455@:4.455@:0@:9.801@:4.455@:0@:ushortfermata@}
[85]
@{char@:Left Comma@:121@:1.98375@:0@:2.38052@:2.38052@:0@:0@:lcomma@} [121]
@{char@:Right Varied Comma@:122@:0.99188@:0.99188@:2.38052@:2.38052@:0.99188@:0
@:rvarcomma@} [122]
@{char@:short fermata down@:86@:4.455@:4.455@:9.801@:0@:4.455@:0@:dshortfermata
@} [86]
@{char@:Left Varied Comma@:123@:0.99188@:0.99188@:2.38052@:2.38052@:0.99188@:0@
:lvarcomma@} [123]
@{char@:Arpeggio@:124@:0@:3.17401@:0@:3.9675@:3.17401@:0@:arpeggio@} [124
@{char@:long fermata up@:87@:5.56876@:5.56876@:0@:6.68251@:5.56876@:0@:ulongfer
mata@} [87]]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:5.50003@:7.5@:7.5@:5.50003@:0@:sharp@} [48]
@{char@:Trill_element@:125@:0@:3.9675@:0@:3.17401@:3.9675@:0@:trill_element@}
[125]
@{char@:long fermata down@:88@:5.56876@:5.56876@:6.68251@:0@:5.56876@:0@:dlongf
ermata@} [88]
@{char@:Arpeggio arrow down@:126@:0@:3.17401@:0@:3.9675@:3.17401@:0@:arpeggio.a
rrow.M1@} [126]
@{char@:very long fermata up@:89@:6.68251@:6.68251@:0@:7.12804@:6.68251@:0@:uve
rylongfermata@} [89]
@{char@:Arpeggio arrow up@:127@:0@:3.17401@:0@:3.9675@:3.17401@:0@:arpeggio.arr
ow.1@} [127]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:5.50003@:7.5@:13.49998@:5.50003@:0@:sh
arp.arrowup@} [49 (feta-trills.mf]
@{char@:very long fermata down@:90@:6.68251@:6.68251@:7.12804@:0@:6.68251@:0@:d
verylongfermata@} [90]
@{char@:trilelement@:128@:1.65312@:1.65312@:1.98375@:1.98375@:1.65312@:0@:trile
lement@} [128]
@{char@:Thumb@:91@:1.782@:1.782@:3.56403@:2.22751@:1.782@:0@:thumb@} [91]
@{char@:> accent@:92@:4.00948@:4.00948@:2.22751@:2.22751@:4.00948@:0@:sforzato@
} [92]
@{char@:prall@:129@:3.30624@:3.30624@:1.98375@:1.98375@:3.30624@:0@:prall@}
[129]
@{char@:Arrowed Sharp (arrow down)@:50@:0.75008@:5.50003@:13.49998@:7.5@:5.5000
3@:0@:sharp.arrowdown@} [50]
@{char@:espr@:93@:8.46448@:8.46448@:2.22751@:2.22751@:8.46448@:0@:espr@}
[93]
@{char@:staccato dot@:94@:0.89099@:0.89099@:0.89099@:0.89099@:0.89099@:0@:stacc
ato@} [94]
@{char@:mordent@:130@:3.30624@:3.30624@:2.64499@:2.64499@:3.30624@:0@:mordent@}
[130]
@{char@:staccatissimo/martellato up@:95@:0.92686@:0.92686@:0.2@:4.49088@:0.9268
6@:0@:ustaccatissimo@} [95]
@{char@:staccatissimo/martellato down@:96@:0.92686@:0.92686@:4.49088@:0.2@:0.92
686@:0@:dstaccatissimo@} [96]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.75008@:5.50003@:13.49998@:13.
49998@:5.50003@:0@:sharp.arrowboth@} [51
@{char@:portato/single tenuto@:97@:2.67303@:2.67303@:0.38507@:0.38507@:2.67303@
:0@:tenuto@} [97]]
@{char@:prallprall@:131@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:prallp
rall@} [131]
@{char@:portato/tenuto with staccato@:98@:2.67303@:2.67303@:0.33694@:2.98332@:2
.67303@:0@:uportato@} [98]
@{char@:1/2 Sharp@:52@:0@:3.49998@:7.5@:7.5@:3.49998@:0@:sharp.slashslash.stem@
} [52]
@{char@:portato/tenuto with staccato@:99@:2.67303@:2.67303@:2.98332@:0.33694@:2
.67303@:0@:dportato@} [99]
@{char@:prallmordent@:132@:4.95937@:4.95937@:2.64499@:2.64499@:4.95937@:0@:pral
lmordent@} [132]
@{char@:marcato up@:100@:2.22751@:2.22751@:0@:4.90053@:2.22751@:0@:umarcato@}
[100]
@{char@:Sharp (3 beams)@:53@:0@:5.50003@:7.5@:7.5@:5.50003@:0@:sharp.slashslash
slash.stemstem@} [53
@{char@:marcato down@:101@:2.22751@:2.22751@:4.90053@:0@:2.22751@:0@:dmarcato@}
[101]]
@{char@:open (unstopped)@:102@:1.782@:1.782@:2.22751@:2.22751@:1.782@:0@:open@}
[102]
@{char@:upprall@:133@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:upprall@}
[133]
@{char@:upmordent@:134@:4.95937@:4.95937@:2.64499@:2.64499@:4.95937@:0@:upmorde
nt@} [134]
@{char@:1/2 Sharp (3 beams)@:54@:0@:4.74998@:6.50002@:6.50002@:4.74998@:0@:shar
p.slashslashslash.stem@} [54
@{char@:halfopen (unstopped)@:103@:1.782@:1.782@:2.22751@:2.22751@:1.782@:0@:ha
lfopen@} [103
@{char@:pralldown@:135@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:pralldo
wn@} [135]]]
@{char@:halfopen vertical@:104@:1.782@:1.782@:2.22751@:2.22751@:1.782@:0@:halfo
penvertical@} [104]
@{char@:plus (stopped)@:105@:2.45027@:2.45027@:2.45027@:2.45027@:2.45027@:0@:st
opped@} [105]
@{char@:3/4 Sharp@:55@:0@:8.00003@:7.5@:7.5@:8.00003@:0@:sharp.slashslash.stems
temstem@} [55]
@{char@:downprall@:136@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:downpra
ll@} [136]
@{char@:downmordent@:137@:4.95937@:4.95937@:2.64499@:2.64499@:4.95937@:0@:downm
ordent@} [137
@{char@:Upbow@:106@:2.89577@:2.89577@:0@:9.26646@:2.89577@:0@:upbow@} [106]]
@{char@:prallup@:138@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:prallup@}
[138]
@{char@:Downbow@:107@:3.34126@:3.34126@:0@:5.93999@:3.34126@:0@:downbow@}
[107]
@{char@:Natural@:56@:0@:3.33333@:7.5@:7.5@:3.33333@:0@:natural@} [56]
@{char@:Reverse turn@:108@:4.87267@:4.87267@:2.35854@:2.35854@:4.87267@:0@:reve
rseturn@} [108]
@{char@:lineprall@:139@:4.95937@:4.95937@:1.98375@:7.935@:4.95937@:0@:lineprall
@} [139])
@{char@:Turn@:109@:4.87267@:4.87267@:2.35854@:2.35854@:4.87267@:0@:turn@}
[109]
@{char@:Arrowed Natural (arrow up)@:57@:1.50014@:3.33333@:7.5@:13.49998@:3.3333
3@:0@:natural.arrowup@} [57]
@{char@:Curved caesura@:140@:0@:7.935@:3.17401@:4.76099@:7.935@:0@:caesura.curv
ed@} [140]
@{char@:Straight caesura@:141@:0@:7.935@:3.17401@:4.76099@:7.935@:0@:caesura.st
raight@} [141]
@{char@:Tick mark@:142@:2.38052@:4.36421@:0@:6.74474@:4.36421@:0@:tickmark@}
[142]
@{char@:Arrowed Natural (arrow down)@:58@:0@:3.33333@:13.49998@:7.5@:3.33333@:0
@:natural.arrowdown@} [58]
@{char@:Trill (`tr')@:110@:3.78677@:3.78677@:0@:9.35545@:3.78677@:0@:trill@}
[110]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.116@:2.116@:2.116@:3.174@:2.1
16@:0@:snappizzicato@} [143]
@{char@:left heel@:111@:2.22751@:2.22751@:2.22751@:2.97@:2.22751@:0@:upedalheel
@} [111
@{puorg@:scripts@}
)]
@{char@:right heel@:112@:2.22751@:2.22751@:2.97@:2.22751@:2.22751@:0@:dpedalhee
l@} [112]
@{char@:left toe@:113@:2.22751@:2.22751@:0@:6.68251@:2.22751@:0@:upedaltoe@}
[113]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.50014@:3.33333@:13.49998@:1
3.49998@:3.33333@:0@:natural.arrowboth@} [59]
@{char@:right toe@:114@:2.22751@:2.22751@:6.68251@:0@:2.22751@:0@:dpedaltoe@}
[114]
@{char@:Flageolet@:115@:2.376@:2.376@:2.376@:2.376@:2.376@:0@:flageolet@}
[115]
@{char@:Flat@:60@:0.60005@:4.00002@:3.00003@:9.49997@:4.00002@:0@:flat@}
[60]
@{char@:Segno@:116@:4.455@:4.455@:6.68251@:6.68251@:4.455@:0@:segno@} [116]
@{char@:Arrowed Flat (arrow up)@:61@:1.72516@:4.00002@:3.00003@:13.49998@:4.000
02@:0@:flat.arrowup@} [61]
@{char@:Varied Segno@:117@:5.56876@:5.56876@:17.82@:17.82@:5.56876@:0@:varsegno
@} [117]
@{char@:Arrowed Flat (arrow down)@:62@:1.72516@:4.00002@:11.00006@:9.49997@:4.0
0002@:0@:flat.arrowdown@} [62]
@{char@:Coda@:118@:4.52928@:4.52928@:6.01428@:6.01428@:4.52928@:0@:coda@}
[118]
@{char@:Varied Coda@:119@:4.5651@:4.5651@:6.0501@:6.0501@:4.5651@:0@:varcoda@}
[119]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.72516@:4.00002@:11.00006@:13.49
998@:4.00002@:0@:flat.arrowboth@} [63]
@{char@:Right Comma@:120@:0@:2.22751@:2.67303@:2.67303@:2.22751@:0@:rcomma@}
[120]
@{char@:Left Comma@:121@:2.22751@:0@:2.67303@:2.67303@:0@:0@:lcomma@} [121]
@{char@:Flat (slashed)@:64@:1.99997@:4.00002@:3.00003@:9.49997@:4.00002@:0@:fla
t.slash@} [64]
@{char@:Right Varied Comma@:122@:1.11375@:1.11375@:2.67303@:2.67303@:1.11375@:0
@:rvarcomma@} [122]
@{char@:Left Varied Comma@:123@:1.11375@:1.11375@:2.67303@:2.67303@:1.11375@:0@
:lvarcomma@} [123]
@{char@:Arpeggio@:124@:0@:3.56401@:0@:4.455@:3.56401@:0@:arpeggio@} [124
@{char@:Flat (slashed twice)@:65@:1.99997@:4.00002@:3.00003@:9.49997@:4.00002@:
0@:flat.slashslash@} [65]]
@{char@:Trill_element@:125@:0@:4.455@:0@:3.56401@:4.455@:0@:trill_element@}
[125]
@{char@:Flatflat (mirrored)@:66@:0@:8.00003@:3.00003@:9.49997@:8.00003@:0@:mirr
oredflat.flat@} [66]
@{char@:Arpeggio arrow down@:126@:0@:3.56401@:0@:4.455@:3.56401@:0@:arpeggio.ar
row.M1@} [126]
@{char@:Semi flat@:67@:0.60005@:4.00002@:3.00003@:9.49997@:4.00002@:0@:mirrored
flat@} [67]
@{char@:Arpeggio arrow up@:127@:0@:3.56401@:0@:4.455@:3.56401@:0@:arpeggio.arro
w.1@} [127]
@{char@:Semi flat@:68@:1.99997@:4.00002@:3.00003@:9.49997@:4.00002@:0@:mirrored
flat.backslash@} [68]
@{char@:Double Flat@:69@:0.60005@:7.24998@:3.00003@:9.49997@:7.24998@:0@:flatfl
at@} [69]
@{char@:3/4 Flat@:70@:0.60005@:7.24998@:3.00003@:9.49997@:7.24998@:0@:flatflat.
slash@} [70]
@{char@:Double Sharp@:71@:0@:5@:2.5@:2.5@:5@:0@:doublesharp@} [71]
@{char@:Right Parenthesis@:72@:0@:3.00005@:5@:5@:3.00005@:0@:rightparen@}
[72]
@{char@:Left Parenthesis@:73@:3.00005@:0@:5@:5@:0@:0@:leftparen@} [73]
@{puorg@:accidentals@}
)
(feta23.mf (feta-clefs.mf (feta-arrowheads.mf (feta-trills.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-generic.mf
@{group@:arrowheads@}
@{char@:open@:74@:5@:0.40004@:2.5@:2.5@:0.40004@:0@:open.01@} [74]
@{char@:trilelement@:128@:1.85625@:1.85625@:2.22751@:2.22751@:1.85625@:0@:trile
lement@} [128] (feta-macros.mf
@{char@:open@:75@:0.40004@:5@:2.5@:2.5@:5@:0@:open.0M1@} [75]
@{group@:clefs@}
@{char@:C clef@:144@:0@:10.85947@:7.935@:7.935@:10.85947@:0@:C@} [144)] (feta-params.mf
@{char@:prall@:129@:3.7125@:3.7125@:2.22751@:2.22751@:3.7125@:0@:prall@}
[129]
@{char@:open@:76@:2.5@:2.5@:5@:0.40004@:2.5@:0@:open.11@} [76])
@{char@:open@:77@:2.5@:2.5@:0.40004@:5@:2.5@:0@:open.1M1@} [77]
@{font@:GNU@:LilyPond@:feta@:22.45@:fetaMusic@}
(feta-rests.mf
@{char@:C clef@:145@:0@:8.78053@:6.34802@:6.34802@:8.78053@:0@:C_change@}
[145
@{char@:mordent@:130@:3.7125@:3.7125@:2.97@:2.97@:3.7125@:0@:mordent@} [130]]
@{char@:close@:78@:5@:0@:2.5@:2.5@:0@:0@:close.01@} [78]
@{char@:close@:79@:0@:5@:2.5@:2.5@:5@:0@:close.0M1@} [79]
@{char@:prallprall@:131@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:prallp
rall@} [131]
@{group@:rests@}
@{char@:whole rest@:33@:0@:8.41876@:3.50781@:0@:8.41876@:0@:0@} [33]
@{char@:F clef @:146@:0@:10.64615@:9.91875@:3.9675@:10.64615@:0@:F@} [146]
@{char@:half rest@:34@:0@:8.41876@:0@:3.50781@:8.41876@:0@:1@} [34]
@{char@:close@:80@:2.5@:2.5@:5@:0@:2.5@:0@:close.11@} [80]
@{char@:close@:81@:2.5@:2.5@:0@:5@:2.5@:0@:close.1M1@} [81
@{char@:whole rest (outside staff)@:35@:0@:8.41876@:3.50781@:0.52107@:8.41876@:
0@:0o@} [35]]
@{puorg@:arrowheads@}
)
@{char@:F clef (reduced)@:147@:0@:8.51694@:7.93503@:3.17401@:8.51694@:0@:F_chan
ge@} [147] (feta-dots.mf
@{char@:prallmordent@:132@:5.56874@:5.56874@:2.97@:2.97@:5.56874@:0@:prallmorde
nt@} [132]
@{char@:half rest (outside staff)@:36@:0@:8.41876@:0.52107@:3.50781@:8.41876@:0
@:1o@} [36]
@{group@:dots@}
@{char@:duration dot@:82@:0@:2.24998@:1.125@:1.125@:2.24998@:0@:dot@} [82]
@{puorg@:dots@}
) (feta-scripts.mf
@{char@:maxima rest@:37@:0@:10.10252@:5.6125@:5.6125@:10.10252@:0@:M3@}
[37]( echo ./out/feta-braces-a.tfm:  > out/feta-braces-a.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-braces-a.mf;" 

@{char@:longa rest@:38@:0@:3.36751@:5.6125@:5.6125@:3.36751@:0@:M2@} [38]
@{group@:scripts@}
@{char@:fermata up@:83@:6.62505@:6.62505@:0.37505@:7.25005@:6.62505@:0@:ufermat
a@} [83]
@{char@:breve rest@:39@:0@:3.36751@:0@:5.6125@:3.36751@:0@:M1@} [39]
@{char@:upprall@:133@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:upprall@}
[133]
@{char@:fermata down@:84@:6.62505@:6.62505@:7.25005@:0.37505@:6.62505@:0@:dferm
ata@} [84]
@{char@:breve rest (outside staff)@:40@:0@:3.36751@:0.52107@:5.6125@:3.36751@:0
@:M1o@} [40
@{char@:upmordent@:134@:5.56874@:5.56874@:2.97@:2.97@:5.56874@:0@:upmordent@}
[134]]
@{char@:pralldown@:135@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:pralldo
wn@} [135]
@{char@:short fermata up@:85@:5@:5@:0@:10.99998@:5@:0@:ushortfermata@} [85]
@{char@:G clef@:148@:0@:10.17671@:10.11713@:19.044@:10.17671@:0@:G@} [148]
@{char@:Quarter rest@:41@:0@:5.33186@:7.01563@:8.76955@:5.33186@:0@:2@}
[41]
@{char@:short fermata down@:86@:5@:5@:10.99998@:0@:5@:0@:dshortfermata@}
[86]
@{char@:long fermata up@:87@:6.25@:6.25@:0@:7.5@:6.25@:0@:ulongfermata@}
[87
@{char@:downprall@:136@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:downpra
ll@} [136]]
@{char@:Classical quarter rest@:42@:0@:5.6125@:5.87305@:4.60226@:5.6125@:0@:2cl
assical@} [42]
@{char@:downmordent@:137@:5.56874@:5.56874@:2.97@:2.97@:5.56874@:0@:downmordent
@} [137]
@{char@:long fermata down@:88@:6.25@:6.25@:7.5@:0@:6.25@:0@:dlongfermata@}
[88]
@{char@:prallup@:138@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:prallup@}
[138]
@{char@:8th rest@:43@:0@:5.6125@:5.87305@:4.60226@:5.6125@:0@:3@} [43]
@{char@:very long fermata up@:89@:7.5@:7.5@:0@:8.00003@:7.5@:0@:uverylongfermat
a@} [89]
@{char@:G clef@:149@:0@:8.14139@:8.09373@:15.73862@:8.14139@:0@:G_change@}
[149]
@{char@:very long fermata down@:90@:7.5@:7.5@:8.00003@:0@:7.5@:0@:dverylongferm
ata@} [90]
@{char@:16th rest@:44@:0@:6.73499@:11.48555@:4.60226@:6.73499@:0@:4@} [44
@{char@:lineprall@:139@:5.56874@:5.56874@:2.22751@:8.91003@:5.56874@:0@:linepra
ll@} [139]]
@{char@:percussion clef@:150@:-2.65822@:7.935@:3.9675@:3.9675@:7.935@:0@:percus
sion@} [150)]
@{char@:Thumb@:91@:2@:2@:4.00002@:2.5@:2@:0@:thumb@} [91]
@{char@:percussion clef (reduced)@:151@:-2.12659@:6.34802@:3.17401@:3.17401@:6.
34802@:0@:percussion_change@} [151]
@{char@:Curved caesura@:140@:0@:8.91@:3.56401@:5.346@:8.91@:0@:caesura.curved@}
[140]
@{char@:> accent@:92@:4.49997@:4.49997@:2.5@:2.5@:4.49997@:0@:sforzato@}
[92]
@{char@:Straight caesura@:141@:0@:8.91@:3.56401@:5.346@:8.91@:0@:caesura.straig
ht@} [141]
@{char@:espr@:93@:9.49997@:9.49997@:2.5@:2.5@:9.49997@:0@:espr@} [93]
@{char@:32th rest@:45@:0@:7.29626@:11.48555@:10.21477@:7.29626@:0@:5@} [45
@{char@:staccato dot@:94@:0.99998@:0.99998@:0.99998@:0.99998@:0.99998@:0@:stacc
ato@} [94]]
@{char@:Tick mark@:142@:2.67303@:4.90045@:0@:7.57349@:4.90045@:0@:tickmark@}
[142]
@{char@:staccatissimo/martellato up@:95@:1.00008@:1.00008@:0.2@:5.00009@:1.0000
8@:0@:ustaccatissimo@} [95]
@{char@:staccatissimo/martellato down@:96@:1.00008@:1.00008@:5.00009@:0.2@:1.00
008@:0@:dstaccatissimo@} [96]
@{char@:portato/single tenuto@:97@:3.00003@:3.00003@:0.40004@:0.40004@:3.00003@
:0@:tenuto@} [97]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.376@:2.376@:2.376@:3.564@:2.3
76@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (feta-clefs.mf
@{char@:portato/tenuto with staccato@:98@:3.00003@:3.00003@:0.35004@:3.30006@:3
.00003@:0@:uportato@} [98]
@{char@:portato/tenuto with staccato@:99@:3.00003@:3.00003@:3.30006@:0.35004@:3
.00003@:0@:dportato@} [99]
@{char@:64th rest@:46@:0@:7.85747@:17.09805@:10.21477@:7.85747@:0@:6@} [46]
@{char@:tab clef@:152@:-0.79349@:11.10901@:11.42645@:11.42645@:11.10901@:0@:tab
@} [152]
@{char@:marcato up@:100@:2.5@:2.5@:0@:5.50003@:2.5@:0@:umarcato@} [100]
@{char@:marcato down@:101@:2.5@:2.5@:5.50003@:0@:2.5@:0@:dmarcato@} [101]
@{char@:open (unstopped)@:102@:2@:2@:2.5@:2.5@:2@:0@:open@} [102
@{group@:clefs@}
@{char@:C clef@:144@:0@:12.15344@:8.91@:8.91@:12.15344@:0@:C@} [144]]
@{char@:halfopen (unstopped)@:103@:2@:2@:2.5@:2.5@:2@:0@:halfopen@} [103]
@{char@:halfopen vertical@:104@:2@:2@:2.5@:2.5@:2@:0@:halfopenvertical@}
[104]
@{char@:128th rest@:47@:0@:8.41876@:17.09805@:15.82727@:8.41876@:0@:7@}
[47]
@{puorg@:rests@}
)
@{char@:C clef@:145@:0@:9.81906@:7.12802@:7.12802@:9.81906@:0@:C_change@}
[145
@{char@:plus (stopped)@:105@:2.75002@:2.75002@:2.75002@:2.75002@:2.75002@:0@:st
opped@} [105 (feta-accidentals.mf]]
@{char@:tab clef (reduced)@:153@:-0.6348@:8.88724@:9.14119@:9.14119@:8.88724@:0
@:tab_change@} [153]
@{puorg@:clefs@}
) (feta-timesignatures.mf
@{char@:Upbow@:106@:3.25002@:3.25002@:0@:10.40007@:3.25002@:0@:upbow@} [106]
@{char@:Downbow@:107@:3.75@:3.75@:0@:6.66664@:3.75@:0@:downbow@} [107]
@{char@:F clef @:146@:0@:11.95428@:11.13751@:4.455@:11.95428@:0@:F@} [146]
@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:6.6769@:3.9675@:3.9675@:6.6769@:0@:C44@} [154
@{char@:Reverse turn@:108@:5.46875@:5.46875@:2.64706@:2.64706@:5.46875@:0@:reve
rseturn@} [108]]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:6.17378@:8.41876@:8.41876@:6.17378@:0@:sharp@} [48
@{char@:Turn@:109@:5.46875@:5.46875@:2.64706@:2.64706@:5.46875@:0@:turn@}
[109]]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:2/2 meter@:155@:0@:6.6769@:3.9675@:3.9675@:6.6769@:0@:C22@} [155]
@{puorg@:timesig@}
)
@{char@:F clef (reduced)@:147@:0@:9.56346@:8.91003@:3.56401@:9.56346@:0@:F_chan
ge@} [147] (feta-pedals.mf
@{char@:Trill (`tr')@:110@:4.25003@:4.25003@:0@:10.49995@:4.25003@:0@:trill@}
[110]
@{char@:left heel@:111@:2.5@:2.5@:2.5@:3.33333@:2.5@:0@:upedalheel@} [111]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:6.17378@:8.41876@:15.15375@:6.17378@:0
@:sharp.arrowup@} [49]
@{char@:right heel@:112@:2.5@:2.5@:3.33333@:2.5@:2.5@:0@:dpedalheel@} [112]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:6.17166@:0@:6.17166@:6.17166@:0@:*@} [156]
@{char@:Pedal dash@:157@:0@:3.6177@:0@:4.53429@:3.6177@:0@:M@} [157]
@{char@:left toe@:113@:2.5@:2.5@:0@:7.5@:2.5@:0@:upedaltoe@} [113]
@{char@:Pedal dot@:158@:0@:1.2059@:0@:1.2059@:1.2059@:0@:.@} [158]
@{char@:right toe@:114@:2.5@:2.5@:7.5@:0@:2.5@:0@:dpedaltoe@} [114]
@{char@:Flageolet@:115@:2.66667@:2.66667@:2.66667@:2.66667@:2.66667@:0@:flageol
et@} [115]
@{char@:Arrowed Sharp (arrow down)@:50@:0.78162@:6.17378@:15.15375@:8.41876@:6.
17378@:0@:sharp.arrowdown@} [50]
@{char@:G clef@:148@:0@:11.42715@:11.36028@:21.38402@:11.42715@:0@:G@} [148]
@{char@:Segno@:116@:5@:5@:7.5@:7.5@:5@:0@:segno@} [116]( echo ./out/feta-braces-b.tfm:  > out/feta-braces-b.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-braces-b.mf;" 

@{char@:Pedal P@:159@:0@:6.6125@:0@:7.935@:6.6125@:0@:P@} [159]
@{char@:Varied Segno@:117@:6.25@:6.25@:20@:20@:6.25@:0@:varsegno@} [117
@{char@:Pedal d@:160@:0@:5.29@:0@:6.94313@:5.29@:0@:d@} [160]]
@{char@:Pedal e@:161@:0@:3.174@:0@:4.53429@:3.174@:0@:e@} [161]
@{char@:Coda@:118@:5.08336@:5.08336@:6.75003@:6.75003@:5.08336@:0@:coda@}
[118]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.78162@:6.17378@:15.15375@:15.
15375@:6.17378@:0@:sharp.arrowboth@} [51]
@{char@:Varied Coda@:119@:5.08337@:5.08337@:6.75005@:6.75005@:5.08337@:0@:varco
da@} [119]
@{char@:G clef@:149@:0@:9.14175@:9.08824@:17.67249@:9.14175@:0@:G_change@}
[149
(feta26.mf] (feta-autometric.mf
@{char@:Right Comma@:120@:0@:2.5@:3.00003@:3.00003@:2.5@:0@:rcomma@} [120]
@{char@:1/2 Sharp@:52@:0@:3.92874@:8.41876@:8.41876@:3.92874@:0@:sharp.slashsla
sh.stem@} [52]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-generic.mf
@{char@:percussion clef@:150@:-2.98485@:8.91@:4.455@:4.455@:8.91@:0@:percussion
@} [150]
@{char@:Left Comma@:121@:2.5@:0@:3.00003@:3.00003@:0@:0@:lcomma@} [121]
@{char@:Pedal Ped@:162@:0@:12.66425@:0@:7.935@:12.66425@:0@:Ped@} [162 (feta-macros.mf]
@{puorg@:pedal@}
) (feta-brackettips.mf
@{char@:percussion clef (reduced)@:151@:-2.38788@:7.12802@:3.56401@:3.56401@:7.
12802@:0@:percussion_change@} [151
@{char@:Right Varied Comma@:122@:1.25@:1.25@:3.00003@:3.00003@:1.25@:0@:rvarcom
ma@} [122]]) (feta-params.mf
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:7.53822@:0.89268@:5.42754@:7.53822@:0@:up@}
[163
@{char@:Left Varied Comma@:123@:1.25@:1.25@:3.00003@:3.00003@:1.25@:0@:lvarcomm
a@} [123]]
@{char@:Sharp (3 beams)@:53@:0@:6.17378@:8.41876@:8.41876@:6.17378@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:bracket tip down@:164@:0@:7.53822@:5.42754@:0.89268@:7.53822@:0@:down@}
[164]
@{puorg@:brackettips@}
)
@{char@:Arpeggio@:124@:0@:4.00002@:0@:5@:4.00002@:0@:arpeggio@} [124] (feta-accordion.mf)
@{font@:GNU@:LilyPond@:feta@:25.2@:fetaMusic@}
(feta-rests.mf
@{char@:Trill_element@:125@:0@:5@:0@:4.00002@:5@:0@:trill_element@} [125]
@{group@:accordion@}
@{char@:accordion register discant@:165@:6.25325@:6.25325@:0.21141@:12.1139@:6.
25325@:0@:discant@} [165]
@{char@:1/2 Sharp (3 beams)@:54@:0@:5.33186@:7.29626@:7.29626@:5.33186@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:accordion register dot@:166@:0.99188@:0.99188@:0.99188@:0.99188@:0.9918
8@:0@:dot@} [166]
@{group@:rests@}
@{char@:whole rest@:33@:0@:9.45001@:3.9375@:0@:9.45001@:0@:0@} [33]
@{char@:Arpeggio arrow down@:126@:0@:4.00002@:0@:5@:4.00002@:0@:arpeggio.arrow.
M1@} [126]
@{char@:accordion register freebass@:167@:4.2695@:4.2695@:0.21141@:8.14641@:4.2
695@:0@:freebass@} [167]
@{char@:half rest@:34@:0@:9.45001@:0@:3.9375@:9.45001@:0@:1@} [34]
@{char@:tab clef@:152@:-0.89099@:12.47401@:12.83047@:12.83047@:12.47401@:0@:tab
@} [152]
@{char@:Arpeggio arrow up@:127@:0@:4.00002@:0@:5@:4.00002@:0@:arpeggio.arrow.1@
} [127
@{char@:accordion register stdbass@:168@:8.237@:8.237@:0.21141@:16.0814@:8.237@
:0@:stdbass@} [168
@{char@:whole rest (outside staff)@:35@:0@:9.45001@:3.9375@:0.54466@:9.45001@:0
@:0o@} [35]]]
@{char@:3/4 Sharp@:55@:0@:8.98004@:8.41876@:8.41876@:8.98004@:0@:sharp.slashsla
sh.stemstemstem@} [55] (feta-trills.mf
@{char@:half rest (outside staff)@:36@:0@:9.45001@:0.54466@:3.9375@:9.45001@:0@
:1o@} [36]
@{char@:accordion register bayanbass@:169@:4.2695@:4.2695@:0.302@:12.2045@:4.26
95@:0@:bayanbass@} [169]
@{char@:trilelement@:128@:2.08334@:2.08334@:2.5@:2.5@:2.08334@:0@:trilelement@}
[128]
@{char@:maxima rest@:37@:0@:11.34@:6.3@:6.3@:11.34@:0@:M3@} [37]
@{char@:Natural@:56@:0@:3.74167@:8.41876@:8.41876@:3.74167@:0@:natural@}
[56]
@{char@:longa rest@:38@:0@:3.78@:6.3@:6.3@:3.78@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:3.78@:0@:6.3@:3.78@:0@:M1@} [39]
@{char@:prall@:129@:4.16667@:4.16667@:2.5@:2.5@:4.16667@:0@:prall@} [129]
@{char@:tab clef (reduced)@:153@:-0.71278@:9.97925@:10.26442@:10.26442@:9.97925
@:0@:tab_change@} [153]
@{puorg@:clefs@}
)
@{char@:breve rest (outside staff)@:40@:0@:3.78@:0.54466@:6.3@:3.78@:0@:M1o@}
[40] (feta-timesignatures.mf
@{char@:Arrowed Natural (arrow up)@:57@:1.56322@:3.74167@:8.41876@:15.15375@:3.
74167@:0@:natural.arrowup@} [57]
@{char@:accordion oldEE@:170@:4.2695@:4.2695@:0@:8.3578@:4.2695@:0@:oldEE@}
[170]
@{char@:mordent@:130@:4.16667@:4.16667@:3.33333@:3.33333@:4.16667@:0@:mordent@}
[130]
@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:7.53767@:4.455@:4.455@:7.53767@:0@:C44@} [154]
@{char@:accordion push@:171@:3.73148@:0@:0@:9.32884@:0@:0@:push@} [171
@{char@:Quarter rest@:41@:0@:5.98499@:7.875@:9.84377@:5.98499@:0@:2@} [41]]
@{char@:accordion pull@:172@:3.06848@:0.663@:0@:9.32884@:0.663@:0@:pull@}
[172]
@{puorg@:accordion@}
) (feta-ties.mf
@{char@:prallprall@:131@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:prallprall@}
[131
@{char@:2/2 meter@:155@:0@:7.53767@:4.455@:4.455@:7.53767@:0@:C22@} [155]
@{char@:Arrowed Natural (arrow down)@:58@:0@:3.74167@:15.15375@:8.41876@:3.7416
7@:0@:natural.arrowdown@} [58]]
@{puorg@:timesig@}
)
@{char@:Classical quarter rest@:42@:0@:6.3@:6.57234@:5.16602@:6.3@:0@:2classica
l@} [42] (feta-pedals.mf
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:2.51271@:0@:0@:0@:lyric.short@} [173]
@{char@:Default lyric tie@:174@:0@:0@:2.60088@:0@:0@:0@:lyric.default@}
[174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:15.87@}
@{parameter@:stafflinethickness@:0.46461@}
@{parameter@:staff_space@:3.9675@}
@{parameter@:linethickness@:0.46461@}
@{parameter@:black_notehead_width@:5.21574@}
@{parameter@:ledgerlinethickness@:0.92923@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:8th rest@:43@:0@:6.3@:6.57234@:5.16602@:6.3@:0@:3@} [43]
@{char@:prallmordent@:132@:6.25002@:6.25002@:3.33333@:3.33333@:6.25002@:0@:pral
lmordent@} [132]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:6.93001@:0@:6.93001@:6.93001@:0@:*@} [156
@{char@:16th rest@:44@:0@:7.55998@:12.87234@:5.16602@:7.55998@:0@:4@} [44]]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.56322@:3.74167@:15.15375@:1
5.15375@:3.74167@:0@:natural.arrowboth@} [59
@{char@:Pedal dash@:157@:0@:3.89268@:0@:5.09143@:3.89268@:0@:M@} [157]]
@{char@:Pedal dot@:158@:0@:1.29756@:0@:1.29756@:1.29756@:0@:.@} [158]
@{char@:32th rest@:45@:0@:8.19002@:12.87234@:11.46602@:8.19002@:0@:5@} [45]
@{char@:upprall@:133@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:upprall@}
[133]
@{char@:Flat@:60@:0.62529@:4.49002@:3.36754@:10.66373@:4.49002@:0@:flat@}
[60]
@{char@:upmordent@:134@:6.25002@:6.25002@:3.33333@:3.33333@:6.25002@:0@:upmorde
nt@} [134]
@{char@:pralldown@:135@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:pralldown@}
[135]
@{char@:64th rest@:46@:0@:8.81996@:19.17235@:11.46602@:8.81996@:0@:6@} [46]
@{char@:Pedal P@:159@:0@:7.425@:0@:8.91@:7.425@:0@:P@} [159]
@{char@:Arrowed Flat (arrow up)@:61@:1.7977@:4.49002@:3.36754@:15.15375@:4.4900
2@:0@:flat.arrowup@} [61
@{char@:Pedal d@:160@:0@:5.94@:0@:7.79625@:5.94@:0@:d@} [160]]
@{char@:128th rest@:47@:0@:9.45001@:19.17235@:17.76602@:9.45001@:0@:7@}
[47
@{char@:downprall@:136@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:downprall@}
[136]
@{char@:Pedal e@:161@:0@:3.564@:0@:5.09143@:3.564@:0@:e@} [161]
@{puorg@:rests@}
)]
@{char@:downmordent@:137@:6.25002@:6.25002@:3.33333@:3.33333@:6.25002@:0@:downm
ordent@} [137]
@{char@:prallup@:138@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:prallup@}
[138
@{char@:Arrowed Flat (arrow down)@:62@:1.7977@:4.49002@:12.34758@:10.66373@:4.4
9002@:0@:flat.arrowdown@} [62]]
@{char@:lineprall@:139@:6.25002@:6.25002@:2.5@:10@:6.25002@:0@:lineprall@}
[139])
@{char@:Pedal Ped@:162@:0@:14.22035@:0@:8.91@:14.22035@:0@:Ped@} [162
@{char@:Arrowed Flat (arrow up and down)@:63@:1.7977@:4.49002@:12.34758@:15.153
75@:4.49002@:0@:flat.arrowboth@} [63]]
@{puorg@:pedal@}
)
@{char@:Curved caesura@:140@:0@:10@:4.00002@:5.99998@:10@:0@:caesura.curved@}
[140]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
 (feta-accidentals.mf (feta-brackettips.mf
@{char@:Straight caesura@:141@:0@:10@:4.00002@:5.99998@:10@:0@:caesura.straight
@} [141] )
(some charht values had to be adjusted by as much as 0.35712pt)
(some chardp values had to be adjusted by as much as 0.27213pt)
Font metrics written on feta16.tfm.
Output written on feta16.600gf (142 characters, 37500 bytes).
Transcript written on feta16.log.

@{char@:Flat (slashed)@:64@:2.24496@:4.49002@:3.36754@:10.66373@:4.49002@:0@:fl
at.slash@} [64]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:8.46448@:1.00237@:6.09444@:8.46448@:0@:up@}
[163
@{char@:Tick mark@:142@:3.00003@:5.49995@:0@:8.49998@:5.49995@:0@:tickmark@}
[142]]
@{char@:bracket tip down@:164@:0@:8.46448@:6.09444@:1.00237@:8.46448@:0@:down@}
[164]
@{puorg@:brackettips@}
)
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.66667@:2.66667@:2.66667@:4@:2
.66667@:0@:snappizzicato@} [143 (feta-accordion.mf]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:6.93004@:9.45001@:9.45001@:6.93004@:0@:sharp@} [48
@{puorg@:scripts@}
)] (feta-clefs.mf
@{char@:Flat (slashed twice)@:65@:2.24496@:4.49002@:3.36754@:10.66373@:4.49002@
:0@:flat.slashslash@} [65]
@{group@:accordion@}
@{char@:accordion register discant@:165@:6.99539@:6.99539@:0.21901@:13.58403@:6
.99539@:0@:discant@} [165]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:6.93004@:9.45001@:17.01@:6.93004@:0@:s
harp.arrowup@} [49]
@{char@:accordion register dot@:166@:1.11375@:1.11375@:1.11375@:1.11375@:1.1137
5@:0@:dot@} [166]
@{char@:Flatflat (mirrored)@:66@:0@:8.98004@:3.36754@:10.66373@:8.98004@:0@:mir
roredflat.flat@} [66]
@{group@:clefs@}
@{char@:C clef@:144@:0@:13.60002@:10@:10@:13.60002@:0@:C@} [144]
@{char@:accordion register freebass@:167@:4.76788@:4.76788@:0.21901@:9.12901@:4
.76788@:0@:freebass@} [167]
@{char@:Semi flat@:67@:0.62529@:4.49002@:3.36754@:10.66373@:4.49002@:0@:mirrore
dflat@} [67]
@{char@:Arrowed Sharp (arrow down)@:50@:0.817@:6.93004@:17.01@:9.45001@:6.93004
@:0@:sharp.arrowdown@} [50]
@{char@:accordion register stdbass@:168@:9.22289@:9.22289@:0.21901@:18.03902@:9
.22289@:0@:stdbass@} [168]
@{char@:C clef@:145@:0@:10.98006@:8.00003@:8.00003@:10.98006@:0@:C_change@}
[145]
@{char@:Semi flat@:68@:2.24496@:4.49002@:3.36754@:10.66373@:4.49002@:0@:mirrore
dflat.backslash@} [68]mv feta16.log feta16.tfm ./out

@{char@:accordion register bayanbass@:169@:4.76788@:4.76788@:0.31288@:13.67789@
:4.76788@:0@:bayanbass@} [169]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.817@:6.93004@:17.01@:17.01@:6
.93004@:0@:sharp.arrowboth@} [51]
@{char@:F clef @:146@:0@:13.4167@:12.5@:5@:13.4167@:0@:F@} [146]( echo ./out/feta-braces-c.tfm:  > out/feta-braces-c.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-braces-c.mf;" 

@{char@:1/2 Sharp@:52@:0@:4.40999@:9.45001@:9.45001@:4.40999@:0@:sharp.slashsla
sh.stem@} [52]
@{char@:Double Flat@:69@:0.62529@:8.1381@:3.36754@:10.66373@:8.1381@:0@:flatfla
t@} [69]
(feta-braces-a.mf
@{char@:F clef (reduced)@:147@:0@:10.7334@:10.00005@:4.00002@:10.7334@:0@:F_cha
nge@} [147 (feta-braces.mf] (feta-autometric.mf
@{char@:Sharp (3 beams)@:53@:0@:6.93004@:9.45001@:9.45001@:6.93004@:0@:sharp.sl
ashslashslash.stemstem@} [53]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf
@{char@:accordion oldEE@:170@:4.76788@:4.76788@:0@:9.34802@:4.76788@:0@:oldEE@}
[170]
@{char@:1/2 Sharp (3 beams)@:54@:0@:5.98499@:8.19002@:8.19002@:5.98499@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:accordion push@:171@:4.14154@:0@:0@:10.35402@:0@:0@:push@} [171]) (feta-params.mf
@{char@:3/4 Flat@:70@:0.62529@:8.1381@:3.36754@:10.66373@:8.1381@:0@:flatflat.s
lash@} [70]
@{char@:accordion pull@:172@:3.43744@:0.7041@:0@:10.35402@:0.7041@:0@:pull@}
[172]
@{puorg@:accordion@}
) (feta-ties.mf
@{char@:3/4 Sharp@:55@:0@:10.08005@:9.45001@:9.45001@:10.08005@:0@:sharp.slashs
lash.stemstemstem@} [55]
@{char@:Double Sharp@:71@:0@:5.6125@:2.80626@:2.80626@:5.6125@:0@:doublesharp@}
[71)]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:2.82146@:0@:0@:0@:lyric.short@} [173]
@{char@:Default lyric tie@:174@:0@:0@:2.92044@:0@:0@:0@:lyric.default@}
[174]
@{char@:Right Parenthesis@:72@:0@:3.32733@:5.6125@:5.6125@:3.32733@:0@:rightpar
en@} [72
@{puorg@:ties@}
)]
@{parameter@:staffsize@:17.82@}
@{parameter@:stafflinethickness@:0.48134@}
@{parameter@:staff_space@:4.455@}
@{parameter@:linethickness@:0.48134@}
@{parameter@:black_notehead_width@:5.86116@}
@{parameter@:ledgerlinethickness@:0.96268@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:Natural@:56@:0@:4.2@:9.45001@:9.45001@:4.2@:0@:natural@} [56]
@{char@:G clef@:148@:0@:12.82509@:12.75002@:24.00002@:12.82509@:0@:G@} [148]
@{char@:Left Parenthesis@:73@:3.32733@:0@:5.6125@:5.6125@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
)
@{char@:Arrowed Natural (arrow up)@:57@:1.63399@:4.2@:9.45001@:17.01@:4.2@:0@:n
atural.arrowup@} [57]
@{font@:GNU@:LilyPond@:feta-braces-a@:20@:fetaBraces@}
@{char@:brace number 0@:65@:2.32877@:0@:5.25@:5.25@:0@:0@:brace0@} [65]
@{char@:brace number 1@:66@:2.3359@:0@:5.36644@:5.36644@:0@:0@:brace1@}
[66]
@{char@:Arrowed Natural (arrow down)@:58@:0@:4.2@:17.01@:9.45001@:4.2@:0@:natur
al.arrowdown@} [58] (feta-arrowheads.mf
@{char@:G clef@:149@:0@:10.26012@:10.20006@:19.83444@:10.26012@:0@:G_change@}
[149
@{char@:brace number 2@:67@:2.34332@:0@:5.48325@:5.48325@:0@:0@:brace2@}
[67]] )
(some charht values had to be adjusted by as much as 0.401pt)
(some chardp values had to be adjusted by as much as 0.3207pt)
Font metrics written on feta18.tfm.
Output written on feta18.600gf (142 characters, 42072 bytes).
Transcript written on feta18.log.

@{group@:arrowheads@}
@{char@:open@:74@:5.6125@:0.41687@:2.80626@:2.80626@:0.41687@:0@:open.01@}
[74
@{char@:brace number 3@:68@:2.35074@:0@:5.6004@:5.6004@:0@:0@:brace3@} [68]]
@{char@:percussion clef@:150@:-3.34999@:10@:5@:5@:10@:0@:percussion@} [150]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.63399@:4.2@:17.01@:17.01@:4
.2@:0@:natural.arrowboth@} [59]
@{char@:brace number 4@:69@:2.35788@:0@:5.71794@:5.71794@:0@:0@:brace4@}
[69]
@{char@:open@:75@:0.41687@:5.6125@:2.80626@:2.80626@:5.6125@:0@:open.0M1@}
[75]
@{char@:percussion clef (reduced)@:151@:-2.68001@:8.00003@:4.00002@:4.00002@:8.
00003@:0@:percussion_change@} [151]
@{char@:brace number 5@:70@:2.3653@:0@:5.83585@:5.83585@:0@:0@:brace5@}
[70
@{char@:Flat@:60@:0.6536@:5.04002@:3.78004@:11.96997@:5.04002@:0@:flat@}
[60]]
@{char@:open@:76@:2.80626@:2.80626@:5.6125@:0.41687@:2.80626@:0@:open.11@}
[76]
@{char@:brace number 6@:71@:2.37271@:0@:5.9541@:5.9541@:0@:0@:brace6@} [71]
@{char@:open@:77@:2.80626@:2.80626@:0.41687@:5.6125@:2.80626@:0@:open.1M1@}
[77]
@{char@:Arrowed Flat (arrow up)@:61@:1.87909@:5.04002@:3.78004@:17.01@:5.04002@
:0@:flat.arrowup@} [61]
@{char@:close@:78@:5.6125@:0@:2.80626@:2.80626@:0@:0@:close.01@} [78]
@{char@:brace number 7@:72@:2.38013@:0@:6.07274@:6.07274@:0@:0@:brace7@}
[72]
@{char@:close@:79@:0@:5.6125@:2.80626@:2.80626@:5.6125@:0@:close.0M1@} [79]
@{char@:brace number 8@:73@:2.38754@:0@:6.19174@:6.19174@:0@:0@:brace8@}
[73]
@{char@:close@:80@:2.80626@:2.80626@:5.6125@:0@:2.80626@:0@:close.11@} [80
@{char@:Arrowed Flat (arrow down)@:62@:1.87909@:5.04002@:13.86009@:11.96997@:5.
04002@:0@:flat.arrowdown@} [62]]
@{char@:brace number 9@:74@:2.39523@:0@:6.31113@:6.31113@:0@:0@:brace9@}
[74
@{char@:close@:81@:2.80626@:2.80626@:0@:5.6125@:2.80626@:0@:close.1M1@}
[81]]
@{puorg@:arrowheads@}
) (feta-dots.mf
@{char@:tab clef@:152@:-0.99998@:14.00002@:14.40009@:14.40009@:14.00002@:0@:tab
@} [152
@{group@:dots@}
@{char@:duration dot@:82@:0@:2.54572@:1.27286@:1.27286@:2.54572@:0@:dot@}
[82
@{char@:brace number 10@:75@:2.40265@:0@:6.43088@:6.43088@:0@:0@:brace10@}
[75]]
@{puorg@:dots@}
)] (feta-scripts.mf
@{char@:Arrowed Flat (arrow up and down)@:63@:1.87909@:5.04002@:13.86009@:17.01
@:5.04002@:0@:flat.arrowboth@} [63]
@{char@:brace number 11@:76@:2.41006@:0@:6.55101@:6.55101@:0@:0@:brace11@}
[76]
@{group@:scripts@}
@{char@:fermata up@:83@:7.40643@:7.40643@:0.39081@:8.108@:7.40643@:0@:ufermata@
} [83]
@{char@:Flat (slashed)@:64@:2.51996@:5.04002@:3.78004@:11.96997@:5.04002@:0@:fl
at.slash@} [64]
@{char@:brace number 12@:77@:2.41776@:0@:6.67152@:6.67152@:0@:0@:brace12@}
[77]
@{char@:fermata down@:84@:7.40643@:7.40643@:8.108@:0.39081@:7.40643@:0@:dfermat
a@} [84]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:brace number 13@:78@:2.42517@:0@:6.7924@:6.7924@:0@:0@:brace13@}
[78]
@{char@:Flat (slashed twice)@:65@:2.51996@:5.04002@:3.78004@:11.96997@:5.04002@
:0@:flat.slashslash@} [65]
@{char@:short fermata up@:85@:5.6125@:5.6125@:0@:12.34749@:5.6125@:0@:ushortfer
mata@} [85]
@{char@:brace number 14@:79@:2.43286@:0@:6.91367@:6.91367@:0@:0@:brace14@}
[79]
@{char@:Flatflat (mirrored)@:66@:0@:10.08005@:3.78004@:11.96997@:10.08005@:0@:m
irroredflat.flat@} [66]
@{char@:tab clef (reduced)@:153@:-0.79999@:11.20006@:11.52011@:11.52011@:11.200
06@:0@:tab_change@} [153
@{char@:brace number 15@:80@:2.44055@:0@:7.03531@:7.03531@:0@:0@:brace15@}
[80]
@{char@:short fermata down@:86@:5.6125@:5.6125@:12.34749@:0@:5.6125@:0@:dshortf
ermata@} [86]
@{puorg@:clefs@}
)] (feta-timesignatures.mf
@{char@:Semi flat@:67@:0.6536@:5.04002@:3.78004@:11.96997@:5.04002@:0@:mirrored
flat@} [67]
@{char@:brace number 16@:81@:2.44824@:0@:7.15733@:7.15733@:0@:0@:brace16@}
[81mv feta18.log feta18.tfm ./out
]
@{char@:long fermata up@:87@:7.01564@:7.01564@:0@:8.41876@:7.01564@:0@:ulongfer
mata@} [87]
@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:8.49997@:5@:5@:8.49997@:0@:C44@} [154
@{char@:Semi flat@:68@:2.51996@:5.04002@:3.78004@:11.96997@:5.04002@:0@:mirrore
dflat.backslash@} [68]]
@{char@:brace number 17@:82@:2.45566@:0@:7.27975@:7.27975@:0@:0@:brace17@}
[82rm -f feta16.*gf  feta16.*pk
]
@{char@:long fermata down@:88@:7.01564@:7.01564@:8.41876@:0@:7.01564@:0@:dlongf
ermata@} [88]
@{char@:brace number 18@:83@:2.46335@:0@:7.40253@:7.40253@:0@:0@:brace18@}
[83]
@{char@:very long fermata up@:89@:8.41876@:8.41876@:0@:8.98004@:8.41876@:0@:uve
rylongfermata@} [89
@{char@:2/2 meter@:155@:0@:8.49997@:5@:5@:8.49997@:0@:C22@} [155
@{char@:Double Flat@:69@:0.6536@:9.13498@:3.78004@:11.96997@:9.13498@:0@:flatfl
at@} [69]]
@{puorg@:timesig@}
)] (feta-pedals.mf
@{char@:brace number 19@:84@:2.47104@:0@:7.5257@:7.5257@:0@:0@:brace19@}
[84]
@{char@:very long fermata down@:90@:8.41876@:8.41876@:8.98004@:0@:8.41876@:0@:d
verylongfermata@} [90]
@{char@:brace number 20@:85@:2.479@:0@:7.64925@:7.64925@:0@:0@:brace20@}
[85]
@{char@:Thumb@:91@:2.24501@:2.24501@:4.49004@:2.80626@:2.24501@:0@:thumb@}
[91]
@{char@:3/4 Flat@:70@:0.6536@:9.13498@:3.78004@:11.96997@:9.13498@:0@:flatflat.
slash@} [70]
@{char@:brace number 21@:86@:2.4867@:0@:7.7732@:7.7732@:0@:0@:brace21@}
[86]
@{char@:> accent@:92@:5.05122@:5.05122@:2.80626@:2.80626@:5.05122@:0@:sforzato@
} [92
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:7.77777@:0@:7.77777@:7.77777@:0@:*@} [156]
@{char@:Double Sharp@:71@:0@:6.3@:3.15001@:3.15001@:6.3@:0@:doublesharp@}
[71]]
@{char@:brace number 22@:87@:2.49438@:0@:7.89754@:7.89754@:0@:0@:brace22@}
[87]
@{char@:Right Parenthesis@:72@:0@:3.69467@:6.3@:6.3@:3.69467@:0@:rightparen@}
[72
@{char@:Pedal dash@:157@:0@:4.20021@:0@:5.71428@:4.20021@:0@:M@} [157]]
@{char@:espr@:93@:10.66373@:10.66373@:2.80626@:2.80626@:10.66373@:0@:espr@}
[93]
@{char@:Left Parenthesis@:73@:3.69467@:0@:6.3@:6.3@:0@:0@:leftparen@} [73]
@{puorg@:accidentals@}
)
@{char@:staccato dot@:94@:1.12248@:1.12248@:1.12248@:1.12248@:1.12248@:0@:stacc
ato@} [94
@{char@:brace number 23@:88@:2.50235@:0@:8.02225@:8.02225@:0@:0@:brace23@}
[88]
@{char@:Pedal dot@:158@:0@:1.40007@:0@:1.40007@:1.40007@:0@:.@} [158]]
@{char@:staccatissimo/martellato up@:95@:1.08235@:1.08235@:0.2@:5.57237@:1.0823
5@:0@:ustaccatissimo@} [95]
@{char@:brace number 24@:89@:2.51004@:0@:8.14737@:8.14737@:0@:0@:brace24@}
[89
@{char@:staccatissimo/martellato down@:96@:1.08235@:1.08235@:5.57237@:0.2@:1.08
235@:0@:dstaccatissimo@} [96]]
@{char@:portato/single tenuto@:97@:3.36754@:3.36754@:0.41687@:0.41687@:3.36754@
:0@:tenuto@} [97]
@{char@:brace number 25@:90@:2.518@:0@:8.27287@:8.27287@:0@:0@:brace25@}
[90]
@{char@:portato/tenuto with staccato@:98@:3.36754@:3.36754@:0.36475@:3.65605@:3
.36754@:0@:uportato@} [98]
@{char@:brace number 26@:91@:2.52597@:0@:8.39877@:8.39877@:0@:0@:brace26@}
[91
@{char@:Pedal P@:159@:0@:8.33333@:0@:10@:8.33333@:0@:P@} [159]]
@{char@:portato/tenuto with staccato@:99@:3.36754@:3.36754@:3.65605@:0.36475@:3
.36754@:0@:dportato@} [99]
@{char@:marcato up@:100@:2.80626@:2.80626@:0@:6.17378@:2.80626@:0@:umarcato@}
[100]
@{char@:Pedal d@:160@:0@:6.66667@:0@:8.75@:6.66667@:0@:d@} [160
@{char@:brace number 27@:92@:2.53366@:0@:8.52507@:8.52507@:0@:0@:brace27@}
[92]]
@{char@:marcato down@:101@:2.80626@:2.80626@:6.17378@:0@:2.80626@:0@:dmarcato@}
[101]
@{char@:brace number 28@:93@:2.54163@:0@:8.65175@:8.65175@:0@:0@:brace28@}
[93
@{char@:open (unstopped)@:102@:2.24501@:2.24501@:2.80626@:2.80626@:2.24501@:0@:
open@} [102]]
@{char@:Pedal e@:161@:0@:4@:0@:5.71428@:4@:0@:e@} [161]
@{char@:brace number 29@:94@:2.54959@:0@:8.77884@:8.77884@:0@:0@:brace29@}
[94]
@{char@:halfopen (unstopped)@:103@:2.24501@:2.24501@:2.80626@:2.80626@:2.24501@
:0@:halfopen@} [103]
@{char@:brace number 30@:95@:2.55756@:0@:8.90631@:8.90631@:0@:0@:brace30@}
[95
@{char@:halfopen vertical@:104@:2.24501@:2.24501@:2.80626@:2.80626@:2.24501@:0@
:halfopenvertical@} [104] (feta-arrowheads.mf]
(feta-braces-b.mf (feta-braces.mf (feta-autometric.mf
@{char@:plus (stopped)@:105@:3.0869@:3.0869@:3.0869@:3.0869@:3.0869@:0@:stopped
@} [105]
@{group@:arrowheads@}
@{char@:open@:74@:6.3@:0.43573@:3.15001@:3.15001@:0.43573@:0@:open.01@}
[74]
@{char@:brace number 31@:96@:2.56552@:0@:9.0342@:9.0342@:0@:0@:brace31@}
[96]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf
@{char@:Upbow@:106@:3.64813@:3.64813@:0@:11.67407@:3.64813@:0@:upbow@} [106]
@{char@:open@:75@:0.43573@:6.3@:3.15001@:3.15001@:6.3@:0@:open.0M1@} [75]
@{char@:brace number 32@:97@:2.57376@:0@:9.16246@:9.16246@:0@:0@:brace32@}
[97
@{char@:Downbow@:107@:4.20938@:4.20938@:0@:7.4833@:4.20938@:0@:downbow@}
[107]])
@{char@:Pedal Ped@:162@:0@:15.95999@:0@:10@:15.95999@:0@:Ped@} [162]
@{puorg@:pedal@}
)
@{char@:open@:76@:3.15001@:3.15001@:6.3@:0.43573@:3.15001@:0@:open.11@}
[76
@{char@:Reverse turn@:108@:6.13867@:6.13867@:2.97133@:2.97133@:6.13867@:0@:reve
rseturn@} [108]
@{char@:brace number 33@:98@:2.58173@:0@:9.29115@:9.29115@:0@:0@:brace33@}
[98]]
@{char@:brace number 34@:99@:2.58969@:0@:9.42024@:9.42024@:0@:0@:brace34@}
[99]
@{char@:open@:77@:3.15001@:3.15001@:0.43573@:6.3@:3.15001@:0@:open.1M1@}
[77
@{char@:Turn@:109@:6.13867@:6.13867@:2.97133@:2.97133@:6.13867@:0@:turn@}
[109]] (feta-params.mf (feta-brackettips.mf
@{char@:brace number 35@:100@:2.59793@:0@:9.54973@:9.54973@:0@:0@:brace35@}
[100
@{char@:close@:78@:6.3@:0@:3.15001@:3.15001@:0@:0@:close.01@} [78]]
@{char@:close@:79@:0@:6.3@:3.15001@:3.15001@:6.3@:0@:close.0M1@} [79]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:9.49997@:1.125@:6.84@:9.49997@:0@:up@} [163]
@{char@:brace number 36@:101@:2.6059@:0@:9.67963@:9.67963@:0@:0@:brace36@}
[101])
@{char@:close@:80@:3.15001@:3.15001@:6.3@:0@:3.15001@:0@:close.11@} [80]
@{char@:Trill (`tr')@:110@:4.77066@:4.77066@:0@:11.7862@:4.77066@:0@:trill@}
[110
@{char@:bracket tip down@:164@:0@:9.49997@:6.84@:1.125@:9.49997@:0@:down@}
[164]]
@{puorg@:brackettips@}
)
@{char@:brace number 37@:102@:2.61414@:0@:9.80992@:9.80992@:0@:0@:brace37@}
[102]
@{char@:left heel@:111@:2.80626@:2.80626@:2.80626@:3.74167@:2.80626@:0@:upedalh
eel@} [111]
@{char@:close@:81@:3.15001@:3.15001@:0@:6.3@:3.15001@:0@:close.1M1@} [81
@{char@:brace number 38@:103@:2.62238@:0@:9.94063@:9.94063@:0@:0@:brace38@}
[103]]
@{puorg@:arrowheads@}
)
@{char@:right heel@:112@:2.80626@:2.80626@:3.74167@:2.80626@:2.80626@:0@:dpedal
heel@} [112]
@{char@:brace number 39@:104@:2.63062@:0@:10.07175@:10.07175@:0@:0@:brace39@}
[104]
@{char@:left toe@:113@:2.80626@:2.80626@:0@:8.41876@:2.80626@:0@:upedaltoe@}
[113 (feta-dots.mf (feta-accordion.mf]
@{char@:brace number 40@:105@:2.63885@:0@:10.20328@:10.20328@:0@:0@:brace40@}
[105]
@{group@:dots@}
@{char@:duration dot@:82@:0@:2.87767@:1.43884@:1.43884@:2.87767@:0@:dot@}
[82
@{char@:right toe@:114@:2.80626@:2.80626@:8.41876@:0@:2.80626@:0@:dpedaltoe@}
[114]]
@{puorg@:dots@}
)
@{char@:Flageolet@:115@:2.99333@:2.99333@:2.99333@:2.99333@:2.99333@:0@:flageol
et@} [115
@{group@:accordion@}
@{char@:accordion register discant@:165@:7.82503@:7.82503@:0.22752@:15.22752@:7
.82503@:0@:discant@} [165]]
@{char@:brace number 41@:106@:2.6471@:0@:10.33522@:10.33522@:0@:0@:brace41@}
[106]
@{font@:GNU@:LilyPond@:feta-braces-b@:40@:fetaBraces@}
@{char@:brace number 64@:65@:2.8443@:0@:13.48654@:13.48654@:0@:0@:brace64@}
[65 (feta-scripts.mf]
@{char@:accordion register dot@:166@:1.25@:1.25@:1.25@:1.25@:1.25@:0@:dot@}
[166]
@{char@:brace number 42@:107@:2.65533@:0@:10.46758@:10.46758@:0@:0@:brace42@}
[107]
@{char@:Segno@:116@:5.6125@:5.6125@:8.41876@:8.41876@:5.6125@:0@:segno@}
[116
@{char@:brace number 65@:66@:2.85336@:0@:13.62875@:13.62875@:0@:0@:brace65@}
[66]]
@{group@:scripts@}
@{char@:fermata up@:83@:8.28351@:8.28351@:0.40851@:9.071@:8.28351@:0@:ufermata@
} [83]
@{char@:accordion register freebass@:167@:5.32503@:5.32503@:0.22752@:10.22752@:
5.32503@:0@:freebass@} [167]
@{char@:brace number 43@:108@:2.66357@:0@:10.60034@:10.60034@:0@:0@:brace43@}
[108]
@{char@:brace number 66@:67@:2.86215@:0@:13.77142@:13.77142@:0@:0@:brace66@}
[67]
@{char@:fermata down@:84@:8.28351@:8.28351@:9.071@:0.40851@:8.28351@:0@:dfermat
a@} [84]
@{char@:Varied Segno@:117@:7.01564@:7.01564@:22.45001@:22.45001@:7.01564@:0@:va
rsegno@} [117
@{char@:brace number 44@:109@:2.67209@:0@:10.73352@:10.73352@:0@:0@:brace44@}
[109]]
@{char@:accordion register stdbass@:168@:10.32503@:10.32503@:0.22752@:20.22752@
:10.32503@:0@:stdbass@} [168
@{char@:brace number 67@:68@:2.87122@:0@:13.91452@:13.91452@:0@:0@:brace67@}
[68]]
@{char@:brace number 45@:110@:2.68033@:0@:10.86713@:10.86713@:0@:0@:brace45@}
[110]
@{char@:short fermata up@:85@:6.3@:6.3@:0@:13.85999@:6.3@:0@:ushortfermata@}
[85
@{char@:Coda@:118@:5.70609@:5.70609@:7.57692@:7.57692@:5.70609@:0@:coda@}
[118]]
@{char@:brace number 68@:69@:2.88028@:0@:14.05809@:14.05809@:0@:0@:brace68@}
[69]
@{char@:accordion register bayanbass@:169@:5.32503@:5.32503@:0.32503@:15.32503@
:5.32503@:0@:bayanbass@} [169]
@{char@:brace number 46@:111@:2.68884@:0@:11.00114@:11.00114@:0@:0@:brace46@}
[111]
@{char@:Varied Coda@:119@:5.66586@:5.66586@:7.5367@:7.5367@:5.66586@:0@:varcoda
@} [119]
@{char@:short fermata down@:86@:6.3@:6.3@:13.85999@:0@:6.3@:0@:dshortfermata@}
[86]
@{char@:brace number 69@:70@:2.88907@:0@:14.2021@:14.2021@:0@:0@:brace69@}
[70]
@{char@:Right Comma@:120@:0@:2.80626@:3.36754@:3.36754@:2.80626@:0@:rcomma@}
[120]
@{char@:brace number 47@:112@:2.69708@:0@:11.13559@:11.13559@:0@:0@:brace47@}
[112]
@{char@:Left Comma@:121@:2.80626@:0@:3.36754@:3.36754@:0@:0@:lcomma@} [121]
@{char@:brace number 70@:71@:2.89813@:0@:14.34656@:14.34656@:0@:0@:brace70@}
[71
@{char@:long fermata up@:87@:7.87502@:7.87502@:0@:9.45001@:7.87502@:0@:ulongfer
mata@} [87]]
@{char@:Right Varied Comma@:122@:1.40312@:1.40312@:3.36754@:3.36754@:1.40312@:0
@:rvarcomma@} [122]
@{char@:brace number 48@:113@:2.7056@:0@:11.27045@:11.27045@:0@:0@:brace48@}
[113]
@{char@:Left Varied Comma@:123@:1.40312@:1.40312@:3.36754@:3.36754@:1.40312@:0@
:lvarcomma@} [123]
@{char@:brace number 71@:72@:2.9072@:0@:14.49146@:14.49146@:0@:0@:brace71@}
[72
@{char@:long fermata down@:88@:7.87502@:7.87502@:9.45001@:0@:7.87502@:0@:dlongf
ermata@} [88]]
@{char@:brace number 49@:114@:2.71411@:0@:11.40572@:11.40572@:0@:0@:brace49@}
[114]
@{char@:Arpeggio@:124@:0@:4.49002@:0@:5.6125@:4.49002@:0@:arpeggio@} [124
@{char@:accordion oldEE@:170@:5.32503@:5.32503@:0@:10.45503@:5.32503@:0@:oldEE@
} [170]]
@{char@:brace number 72@:73@:2.91626@:0@:14.63683@:14.63683@:0@:0@:brace72@}
[73]
@{char@:very long fermata up@:89@:9.45001@:9.45001@:0@:10.08005@:9.45001@:0@:uv
erylongfermata@} [89]
@{char@:Trill_element@:125@:0@:5.6125@:0@:4.49002@:5.6125@:0@:trill_element@}
[125
@{char@:brace number 50@:115@:2.72263@:0@:11.54143@:11.54143@:0@:0@:brace50@}
[115]]
@{char@:accordion push@:171@:4.59999@:0@:0@:11.50014@:0@:0@:push@} [171]
@{char@:brace number 73@:74@:2.9256@:0@:14.78264@:14.78264@:0@:0@:brace73@}
[74]
@{char@:accordion pull@:172@:3.84993@:0.75006@:0@:11.50014@:0.75006@:0@:pull@}
[172]
@{puorg@:accordion@}
)
@{char@:brace number 51@:116@:2.73114@:0@:11.67755@:11.67755@:0@:0@:brace51@}
[116]
@{char@:Arpeggio arrow down@:126@:0@:4.49002@:0@:5.6125@:4.49002@:0@:arpeggio.a
rrow.M1@} [126
@{char@:very long fermata down@:90@:9.45001@:9.45001@:10.08005@:0@:9.45001@:0@:
dverylongfermata@} [90 (feta-ties.mf]]
@{char@:brace number 74@:75@:2.93466@:0@:14.92891@:14.92891@:0@:0@:brace74@}
[75]
@{char@:brace number 52@:117@:2.73965@:0@:11.81412@:11.81412@:0@:0@:brace52@}
[117
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:3.16663@:0@:0@:0@:lyric.short@} [173]
@{char@:Thumb@:91@:2.52@:2.52@:5.04004@:3.15001@:2.52@:0@:thumb@} [91]]
@{char@:Arpeggio arrow up@:127@:0@:4.49002@:0@:5.6125@:4.49002@:0@:arpeggio.arr
ow.1@} [127] (feta-trills.mf
@{char@:brace number 75@:76@:2.944@:0@:15.07565@:15.07565@:0@:0@:brace75@}
[76]
@{char@:Default lyric tie@:174@:0@:0@:3.27773@:0@:0@:0@:lyric.default@}
[174]
@{char@:> accent@:92@:5.66997@:5.66997@:3.15001@:3.15001@:5.66997@:0@:sforzato@
} [92
@{puorg@:ties@}
)]
@{char@:brace number 53@:118@:2.74817@:0@:11.9511@:11.9511@:0@:0@:brace53@}
[118
@{parameter@:staffsize@:20@}
@{parameter@:stafflinethickness@:0.50005@}
@{parameter@:staff_space@:5@}
@{parameter@:linethickness@:0.50005@}
@{parameter@:black_notehead_width@:6.58089@}
@{parameter@:ledgerlinethickness@:1.00009@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})]
@{char@:trilelement@:128@:2.33855@:2.33855@:2.80626@:2.80626@:2.33855@:0@:trile
lement@} [128]
@{char@:brace number 76@:77@:2.95306@:0@:15.22285@:15.22285@:0@:0@:brace76@}
[77]
@{char@:espr@:93@:11.96997@:11.96997@:3.15001@:3.15001@:11.96997@:0@:espr@}
[93]
@{char@:brace number 54@:119@:2.75696@:0@:12.0885@:12.0885@:0@:0@:brace54@}
[119]
@{char@:staccato dot@:94@:1.25998@:1.25998@:1.25998@:1.25998@:1.25998@:0@:stacc
ato@} [94]
@{char@:prall@:129@:4.67708@:4.67708@:2.80626@:2.80626@:4.67708@:0@:prall@}
[129]
@{char@:brace number 77@:78@:2.9624@:0@:15.3705@:15.3705@:0@:0@:brace77@}
[78
@{char@:brace number 55@:120@:2.76547@:0@:12.22635@:12.22635@:0@:0@:brace55@}
[120]]
@{char@:staccatissimo/martellato up@:95@:1.1747@:1.1747@:0.2@:6.21472@:1.1747@:
0@:ustaccatissimo@} [95]
@{char@:brace number 56@:121@:2.77426@:0@:12.36462@:12.36462@:0@:0@:brace56@}
[121
@{char@:staccatissimo/martellato down@:96@:1.1747@:1.1747@:6.21472@:0.2@:1.1747
@:0@:dstaccatissimo@} [96]]
@{char@:brace number 78@:79@:2.97147@:0@:15.51862@:15.51862@:0@:0@:brace78@}
[79]
@{char@:portato/single tenuto@:97@:3.78004@:3.78004@:0.43573@:0.43573@:3.78004@
:0@:tenuto@} [97]
@{char@:mordent@:130@:4.67708@:4.67708@:3.74167@:3.74167@:4.67708@:0@:mordent@}
[130]
@{char@:brace number 57@:122@:2.78278@:0@:12.50334@:12.50334@:0@:0@:brace57@}
[122]
@{char@:portato/tenuto with staccato@:98@:3.78004@:3.78004@:0.38127@:4.05562@:3
.78004@:0@:uportato@} [98]
@{char@:brace number 58@:123@:2.79156@:0@:12.64247@:12.64247@:0@:0@:brace58@}
[123
@{char@:brace number 79@:80@:2.9808@:0@:15.66719@:15.66719@:0@:0@:brace79@}
[80]]
@{char@:portato/tenuto with staccato@:99@:3.78004@:3.78004@:4.05562@:0.38127@:3
.78004@:0@:dportato@} [99]
@{char@:brace number 59@:124@:2.80035@:0@:12.78206@:12.78206@:0@:0@:brace59@}
[124
@{char@:prallprall@:131@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:prallp
rall@} [131]]
@{char@:brace number 80@:81@:2.99014@:0@:15.81624@:15.81624@:0@:0@:brace80@}
[81]
@{char@:marcato up@:100@:3.15001@:3.15001@:0@:6.93004@:3.15001@:0@:umarcato@}
[100]
@{char@:brace number 60@:125@:2.80914@:0@:12.92207@:12.92207@:0@:0@:brace60@}
[125]
@{char@:marcato down@:101@:3.15001@:3.15001@:6.93004@:0@:3.15001@:0@:dmarcato@}
[101]
@{char@:brace number 61@:126@:2.81793@:0@:13.06253@:13.06253@:0@:0@:brace61@}
[126]
@{char@:brace number 81@:82@:2.99948@:0@:15.96574@:15.96574@:0@:0@:brace81@}
[82]
@{char@:open (unstopped)@:102@:2.52@:2.52@:3.15001@:3.15001@:2.52@:0@:open@}
[102]
@{char@:prallmordent@:132@:7.01563@:7.01563@:3.74167@:3.74167@:7.01563@:0@:pral
lmordent@} [132]
@{char@:brace number 62@:127@:2.82672@:0@:13.20343@:13.20343@:0@:0@:brace62@}
[127]
@{char@:brace number 82@:83@:3.0091@:0@:16.1157@:16.1157@:0@:0@:brace82@}
[83
@{char@:halfopen (unstopped)@:103@:2.52@:2.52@:3.15001@:3.15001@:2.52@:0@:halfo
pen@} [103]]
@{char@:brace number 63@:128@:2.83551@:0@:13.34476@:13.34476@:0@:0@:brace63@}
[128]
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.45006pt)
(some chardp values had to be adjusted by as much as 0.36115pt)
Font metrics written on feta20.tfm.
Output written on feta20.600gf (142 characters, 47400 bytes).
Transcript written on feta20.log.

@{char@:brace number 83@:84@:3.01843@:0@:16.26616@:16.26616@:0@:0@:brace83@}
[84
@{char@:halfopen vertical@:104@:2.52@:2.52@:3.15001@:3.15001@:2.52@:0@:halfopen
vertical@} [104]]
@{char@:upprall@:133@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:upprall@}
[133]
@{char@:plus (stopped)@:105@:3.46503@:3.46503@:3.46503@:3.46503@:3.46503@:0@:st
opped@} [105]
@{char@:upmordent@:134@:7.01563@:7.01563@:3.74167@:3.74167@:7.01563@:0@:upmorde
nt@} [134]
@{char@:brace number 84@:85@:3.02777@:0@:16.41708@:16.41708@:0@:0@:brace84@}
[85rm -f feta18.*gf  feta18.*pk
]
@{char@:pralldown@:135@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:pralldo
wn@} [135] )
(some charht values had to be adjusted by as much as 0.2452pt)
(some chardp values had to be adjusted by as much as 0.2452pt)
Font metrics written on feta-braces-a.tfm.
Output written on feta-braces-a.600gf (64 characters, 20804 bytes).
Transcript written on feta-braces-a.log.
mv feta20.log feta20.tfm ./out

@{char@:Upbow@:106@:4.09502@:4.09502@:0@:13.10408@:4.09502@:0@:upbow@} [106]
@{char@:brace number 85@:86@:3.03738@:0@:16.56848@:16.56848@:0@:0@:brace85@}
[86]
@{char@:Downbow@:107@:4.725@:4.725@:0@:8.39998@:4.725@:0@:downbow@} [107]mv feta-braces-a.log feta-braces-a.tfm ./out

@{char@:downprall@:136@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:downpra
ll@} [136
@{char@:brace number 86@:87@:3.04672@:0@:16.72035@:16.72035@:0@:0@:brace86@}
[87]]
@{char@:downmordent@:137@:7.01563@:7.01563@:3.74167@:3.74167@:7.01563@:0@:downm
ordent@} [137
@{char@:Reverse turn@:108@:6.89063@:6.89063@:3.3353@:3.3353@:6.89063@:0@:revers
eturn@} [108]]
@{char@:prallup@:138@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:prallup@}
[138]
@{char@:brace number 87@:88@:3.05634@:0@:16.87268@:16.87268@:0@:0@:brace87@}
[88]
@{char@:Turn@:109@:6.89063@:6.89063@:3.3353@:3.3353@:6.89063@:0@:turn@}
[109]
@{char@:brace number 88@:89@:3.06595@:0@:17.0255@:17.0255@:0@:0@:brace88@}
[89]
@{char@:lineprall@:139@:7.01563@:7.01563@:2.80626@:11.22504@:7.01563@:0@:linepr
all@} [139])
@{char@:brace number 89@:90@:3.07556@:0@:17.1788@:17.1788@:0@:0@:brace89@}
[90
@{char@:Curved caesura@:140@:0@:11.225@:4.49002@:6.73499@:11.225@:0@:caesura.cu
rved@} [140]]
@{char@:Straight caesura@:141@:0@:11.225@:4.49002@:6.73499@:11.225@:0@:caesura.
straight@} [141]
@{char@:brace number 90@:91@:3.08517@:0@:17.33258@:17.33258@:0@:0@:brace90@}
[91]
@{char@:Tick mark@:142@:3.36754@:6.1737@:0@:9.54124@:6.1737@:0@:tickmark@}
[142]
@{char@:Trill (`tr')@:110@:5.35504@:5.35504@:0@:13.22993@:5.35504@:0@:trill@}
[110
@{char@:brace number 91@:92@:3.09479@:0@:17.48683@:17.48683@:0@:0@:brace91@}
[92
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.99333@:2.99333@:2.99333@:4.49
@:2.99333@:0@:snappizzicato@} [143]]]
@{puorg@:scripts@}
)
@{char@:left heel@:111@:3.15001@:3.15001@:3.15001@:4.2@:3.15001@:0@:upedalheel@
} [111]
@{char@:brace number 92@:93@:3.1044@:0@:17.64157@:17.64157@:0@:0@:brace92@}
[93]
@{char@:right heel@:112@:3.15001@:3.15001@:4.2@:3.15001@:3.15001@:0@:dpedalheel
@} [112]
@{char@:brace number 93@:94@:3.11429@:0@:17.7968@:17.7968@:0@:0@:brace93@}
[94]
@{char@:left toe@:113@:3.15001@:3.15001@:0@:9.45001@:3.15001@:0@:upedaltoe@}
[113] (feta-clefs.mf
@{char@:brace number 94@:95@:3.1239@:0@:17.95251@:17.95251@:0@:0@:brace94@}
[95]
@{char@:right toe@:114@:3.15001@:3.15001@:9.45001@:0@:3.15001@:0@:dpedaltoe@}
[114]
@{char@:brace number 95@:96@:3.13379@:0@:18.1087@:18.1087@:0@:0@:brace95@}
[96]
@{char@:Flageolet@:115@:3.36@:3.36@:3.36@:3.36@:3.36@:0@:flageolet@} [115]
@{group@:clefs@}
@{char@:C clef@:144@:0@:15.22581@:11.225@:11.225@:15.22581@:0@:C@} [144]
@{char@:brace number 96@:97@:3.14368@:0@:18.2654@:18.2654@:0@:0@:brace96@}
[97]rm -f feta20.*gf  feta20.*pk

@{char@:brace number 97@:98@:3.15329@:0@:18.42258@:18.42258@:0@:0@:brace97@}
[98]
@{char@:Segno@:116@:6.3@:6.3@:9.45001@:9.45001@:6.3@:0@:segno@} [116
@{char@:C clef@:145@:0@:12.28493@:8.98004@:8.98004@:12.28493@:0@:C_change@}
[145]]
@{char@:brace number 98@:99@:3.16318@:0@:18.58025@:18.58025@:0@:0@:brace98@}
[99]
@{char@:F clef @:146@:0@:15.06024@:14.03127@:5.6125@:15.06024@:0@:F@} [146]
@{char@:brace number 99@:100@:3.17307@:0@:18.7384@:18.7384@:0@:0@:brace99@}
[100]
@{char@:Varied Segno@:117@:7.87502@:7.87502@:25.20001@:25.20001@:7.87502@:0@:va
rsegno@} [117]
@{char@:F clef (reduced)@:147@:0@:12.04825@:11.22505@:4.49002@:12.04825@:0@:F_c
hange@} [147
@{char@:brace number 100@:101@:3.18323@:0@:18.89705@:18.89705@:0@:0@:brace100@}
[101]]
@{char@:brace number 101@:102@:3.19312@:0@:19.05621@:19.05621@:0@:0@:brace101@}
[102]
@{char@:Coda@:118@:6.40503@:6.40503@:8.50504@:8.50504@:6.40503@:0@:coda@}
[118]
@{char@:brace number 102@:103@:3.203@:0@:19.21587@:19.21587@:0@:0@:brace102@}
[103]
@{char@:Varied Coda@:119@:6.31966@:6.31966@:8.41966@:8.41966@:6.31966@:0@:varco
da@} [119]
@{char@:brace number 103@:104@:3.21317@:0@:19.37602@:19.37602@:0@:0@:brace103@}
[104]
@{char@:G clef@:148@:0@:14.39616@:14.3119@:26.94003@:14.39616@:0@:G@} [148
@{char@:Right Comma@:120@:0@:3.15001@:3.78004@:3.78004@:3.15001@:0@:rcomma@}
[120]]rm -f feta-braces-a.*gf  feta-braces-a.*pk

@{char@:brace number 104@:105@:3.22305@:0@:19.53668@:19.53668@:0@:0@:brace104@}
[105]
@{char@:Left Comma@:121@:3.15001@:0@:3.78004@:3.78004@:0@:0@:lcomma@} [121]
@{char@:brace number 105@:106@:3.23322@:0@:19.69783@:19.69783@:0@:0@:brace105@}
[106
@{char@:Right Varied Comma@:122@:1.575@:1.575@:3.78004@:3.78004@:1.575@:0@:rvar
comma@} [122]]
@{char@:Left Varied Comma@:123@:1.575@:1.575@:3.78004@:3.78004@:1.575@:0@:lvarc
omma@} [123]
@{char@:brace number 106@:107@:3.24338@:0@:19.8595@:19.8595@:0@:0@:brace106@}
[107]
@{char@:G clef@:149@:0@:11.51698@:11.44957@:22.26418@:11.51698@:0@:G_change@}
[149]
@{char@:Arpeggio@:124@:0@:5.04002@:0@:6.3@:5.04002@:0@:arpeggio@} [124]
@{char@:brace number 107@:108@:3.25354@:0@:20.02167@:20.02167@:0@:0@:brace107@}
[108]
@{char@:percussion clef@:150@:-3.76036@:11.225@:5.6125@:5.6125@:11.225@:0@:perc
ussion@} [150]
@{char@:percussion clef (reduced)@:151@:-3.0083@:8.98004@:4.49002@:4.49002@:8.9
8004@:0@:percussion_change@} [151]
@{char@:Trill_element@:125@:0@:6.3@:0@:5.04002@:6.3@:0@:trill_element@}
[125
@{char@:brace number 108@:109@:3.2637@:0@:20.18434@:20.18434@:0@:0@:brace108@}
[109]]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:brace number 109@:110@:3.27386@:0@:20.34752@:20.34752@:0@:0@:brace109@}
[110]
@{char@:Arpeggio arrow down@:126@:0@:5.04002@:0@:6.3@:5.04002@:0@:arpeggio.arro
w.M1@} [126]
@{char@:brace number 110@:111@:3.2843@:0@:20.51122@:20.51122@:0@:0@:brace110@}
[111]
@{char@:Arpeggio arrow up@:127@:0@:5.04002@:0@:6.3@:5.04002@:0@:arpeggio.arrow.
1@} [127
@{char@:tab clef@:152@:-1.12248@:15.71503@:16.1641@:16.1641@:15.71503@:0@:tab@}
[152]
@{char@:brace number 111@:112@:3.29446@:0@:20.67543@:20.67543@:0@:0@:brace111@}
[112]] (feta-trills.mf
@{char@:brace number 112@:113@:3.3049@:0@:20.84016@:20.84016@:0@:0@:brace112@}
[113]
@{char@:trilelement@:128@:2.625@:2.625@:3.15001@:3.15001@:2.625@:0@:trilelement
@} [128]
@{char@:brace number 113@:114@:3.31506@:0@:21.0054@:21.0054@:0@:0@:brace113@}
[114]
@{char@:prall@:129@:5.25@:5.25@:3.15001@:3.15001@:5.25@:0@:prall@} [129
@{char@:brace number 114@:115@:3.3255@:0@:21.17116@:21.17116@:0@:0@:brace114@}
[115
@{char@:tab clef (reduced)@:153@:-0.898@:12.57207@:12.93132@:12.93132@:12.57207
@:0@:tab_change@} [153]]]
@{puorg@:clefs@}
)
@{char@:brace number 115@:116@:3.33594@:0@:21.33743@:21.33743@:0@:0@:brace115@}
[116] (feta-timesignatures.mf
@{char@:mordent@:130@:5.25@:5.25@:4.2@:4.2@:5.25@:0@:mordent@} [130]
@{char@:brace number 116@:117@:3.34637@:0@:21.50423@:21.50423@:0@:0@:brace116@}
[117]
@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:9.58145@:5.6125@:5.6125@:9.58145@:0@:C44@} [154]
@{char@:brace number 117@:118@:3.35681@:0@:21.67155@:21.67155@:0@:0@:brace117@}
[118]
@{char@:2/2 meter@:155@:0@:9.58145@:5.6125@:5.6125@:9.58145@:0@:C22@} [155]
@{puorg@:timesig@}
)
@{char@:brace number 118@:119@:3.36725@:0@:21.83939@:21.83939@:0@:0@:brace118@}
[119
@{char@:prallprall@:131@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:prallprall@}
[131]]( echo ./out/feta-braces-d.tfm:  > out/feta-braces-d.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-braces-d.mf;" 

@{char@:brace number 119@:120@:3.37796@:0@:22.00775@:22.00775@:0@:0@:brace119@}
[120
(feta-braces-c.mf (feta-pedals.mf] (feta-braces.mf (feta-autometric.mf
@{char@:brace number 120@:121@:3.3884@:0@:22.17665@:22.17665@:0@:0@:brace120@}
[121]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:8.73056@:0@:8.73056@:8.73056@:0@:*@} [156]
@{char@:prallmordent@:132@:7.875@:7.875@:4.2@:4.2@:7.875@:0@:prallmordent@}
[132]
@{char@:brace number 121@:122@:3.39911@:0@:22.34607@:22.34607@:0@:0@:brace121@}
[122
@{char@:Pedal dash@:157@:0@:4.54573@:0@:6.41429@:4.54573@:0@:M@} [157]]) (feta-params.mf
@{char@:Pedal dot@:158@:0@:1.51524@:0@:1.51524@:1.51524@:0@:.@} [158]
@{char@:brace number 122@:123@:3.40982@:0@:22.51602@:22.51602@:0@:0@:brace122@}
[123])
@{char@:brace number 123@:124@:3.42026@:0@:22.68652@:22.68652@:0@:0@:brace123@}
[124]
@{char@:upprall@:133@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:upprall@}
[133
@{char@:Pedal P@:159@:0@:9.35417@:0@:11.225@:9.35417@:0@:P@} [159]]
@{char@:Pedal d@:160@:0@:7.48334@:0@:9.82188@:7.48334@:0@:d@} [160]
@{char@:brace number 124@:125@:3.43097@:0@:22.85753@:22.85753@:0@:0@:brace124@}
[125
@{char@:upmordent@:134@:7.875@:7.875@:4.2@:4.2@:7.875@:0@:upmordent@} [134]]
@{char@:pralldown@:135@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:pralldown@}
[135]
@{char@:Pedal e@:161@:0@:4.49@:0@:6.41429@:4.49@:0@:e@} [161]
@{char@:brace number 125@:126@:3.44196@:0@:23.02908@:23.02908@:0@:0@:brace125@}
[126]
@{char@:brace number 126@:127@:3.45267@:0@:23.20117@:23.20117@:0@:0@:brace126@}
[127]
@{char@:downprall@:136@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:downprall@}
[136]
@{char@:brace number 127@:128@:3.46338@:0@:23.37381@:23.37381@:0@:0@:brace127@}
[128]
@{tnof@})
@{char@:Pedal Ped@:162@:0@:17.91512@:0@:11.225@:17.91512@:0@:Ped@} [162]
@{puorg@:pedal@}
)
@{char@:downmordent@:137@:7.875@:7.875@:4.2@:4.2@:7.875@:0@:downmordent@}
[137]
@{char@:prallup@:138@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:prallup@}
[138]
@{font@:GNU@:LilyPond@:feta-braces-c@:60@:fetaBraces@}
@{char@:brace number 128@:65@:3.47437@:0@:23.54698@:23.54698@:0@:0@:brace128@}
[65]
@{char@:brace number 129@:66@:3.48508@:0@:23.7207@:23.7207@:0@:0@:brace129@}
[66]
@{char@:brace number 130@:67@:3.49606@:0@:23.89496@:23.89496@:0@:0@:brace130@}
[67]
@{char@:lineprall@:139@:7.875@:7.875@:3.15001@:12.60004@:7.875@:0@:lineprall@}
[139]) )
(some charht values had to be adjusted by as much as 0.29948pt)
(some chardp values had to be adjusted by as much as 0.29948pt)
Font metrics written on feta-braces-b.tfm.
Output written on feta-braces-b.600gf (64 characters, 41128 bytes).
Transcript written on feta-braces-b.log.

@{char@:brace number 131@:68@:3.50705@:0@:24.06976@:24.06976@:0@:0@:brace131@}
[68]
@{char@:Curved caesura@:140@:0@:12.6@:5.04002@:7.55998@:12.6@:0@:caesura.curved
@} [140]
@{char@:brace number 132@:69@:3.51804@:0@:24.24512@:24.24512@:0@:0@:brace132@}
[69]
@{char@:Straight caesura@:141@:0@:12.6@:5.04002@:7.55998@:12.6@:0@:caesura.stra
ight@} [141]
@{char@:brace number 133@:70@:3.52902@:0@:24.42102@:24.42102@:0@:0@:brace133@}
[70]
@{char@:Tick mark@:142@:3.78004@:6.92995@:0@:10.70999@:6.92995@:0@:tickmark@}
[142]
@{char@:brace number 134@:71@:3.54001@:0@:24.59747@:24.59747@:0@:0@:brace134@}
[71]
@{char@:brace number 135@:72@:3.551@:0@:24.77448@:24.77448@:0@:0@:brace135@}
[72]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:3.36@:3.36@:3.36@:5.04001@:3.36
@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (feta-clefs.mf
@{char@:brace number 136@:73@:3.56226@:0@:24.95203@:24.95203@:0@:0@:brace136@}
[73]
@{char@:brace number 137@:74@:3.57324@:0@:25.13014@:25.13014@:0@:0@:brace137@}
[74]
@{char@:brace number 138@:75@:3.5845@:0@:25.3088@:25.3088@:0@:0@:brace138@}
[75]
@{char@:brace number 139@:76@:3.59576@:0@:25.48802@:25.48802@:0@:0@:brace139@}
[76]
@{group@:clefs@}
@{char@:C clef@:144@:0@:17.05064@:12.6@:12.6@:17.05064@:0@:C@} [144]
@{char@:brace number 140@:77@:3.60703@:0@:25.66782@:25.66782@:0@:0@:brace140@}
[77] (feta-brackettips.mf
@{char@:brace number 141@:78@:3.61829@:0@:25.84816@:25.84816@:0@:0@:brace141@}
[78]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:10.66373@:1.2628@:7.6779@:10.66373@:0@:up@}
[163]
@{char@:brace number 142@:79@:3.62955@:0@:26.02908@:26.02908@:0@:0@:brace142@}
[79]
@{char@:bracket tip down@:164@:0@:10.66373@:7.6779@:1.2628@:10.66373@:0@:down@}
[164]
@{puorg@:brackettips@}
) (feta-accordion.mf
@{char@:C clef@:145@:0@:13.74951@:10.08005@:10.08005@:13.74951@:0@:C_change@}
[145
@{char@:brace number 143@:80@:3.64108@:0@:26.21056@:26.21056@:0@:0@:brace143@}
[80]]
@{group@:accordion@}
@{char@:accordion register discant@:165@:8.75746@:8.75746@:0.23709@:17.07462@:8
.75746@:0@:discant@} [165
@{char@:brace number 144@:81@:3.65234@:0@:26.39261@:26.39261@:0@:0@:brace144@}
[81]]
@{char@:accordion register dot@:166@:1.40314@:1.40314@:1.40314@:1.40314@:1.4031
4@:0@:dot@} [166
@{char@:brace number 145@:82@:3.66388@:0@:26.57523@:26.57523@:0@:0@:brace145@}
[82]]
@{char@:accordion register freebass@:167@:5.9512@:5.9512@:0.23709@:11.4621@:5.9
512@:0@:freebass@} [167]
@{char@:brace number 146@:83@:3.67542@:0@:26.75842@:26.75842@:0@:0@:brace146@}
[83]
@{char@:F clef @:146@:0@:16.90504@:15.75002@:6.3@:16.90504@:0@:F@} [146]
@{char@:brace number 147@:84@:3.68695@:0@:26.9422@:26.9422@:0@:0@:brace147@}
[84]
@{char@:accordion register stdbass@:168@:11.5637@:11.5637@:0.23709@:22.6871@:11
.5637@:0@:stdbass@} [168]
@{char@:brace number 148@:85@:3.69849@:0@:27.12654@:27.12654@:0@:0@:brace148@}
[85]
@{char@:accordion register bayanbass@:169@:5.9512@:5.9512@:0.3387@:17.17621@:5.
9512@:0@:bayanbass@} [169]
@{char@:F clef (reduced)@:147@:0@:13.5241@:12.60007@:5.04002@:13.5241@:0@:F_cha
nge@} [147]
@{char@:brace number 149@:86@:3.71002@:0@:27.31146@:27.31146@:0@:0@:brace149@}
[86]
@{char@:brace number 150@:87@:3.72156@:0@:27.49696@:27.49696@:0@:0@:brace150@}
[87]mv feta-braces-b.log feta-braces-b.tfm ./out

@{char@:brace number 151@:88@:3.7331@:0@:27.68304@:27.68304@:0@:0@:brace151@}
[88]
@{char@:accordion oldEE@:170@:5.9512@:5.9512@:0@:11.69919@:5.9512@:0@:oldEE@}
[170]
@{char@:brace number 152@:89@:3.7449@:0@:27.8697@:27.8697@:0@:0@:brace152@}
[89]
@{char@:accordion push@:171@:5.1152@:0@:0@:12.78822@:0@:0@:push@} [171]
@{char@:brace number 153@:90@:3.75671@:0@:28.05695@:28.05695@:0@:0@:brace153@}
[90]
@{char@:accordion pull@:172@:4.31349@:0.80171@:0@:12.78822@:0.80171@:0@:pull@}
[172]
@{puorg@:accordion@}
) (feta-ties.mf
@{char@:brace number 154@:91@:3.76825@:0@:28.24478@:28.24478@:0@:0@:brace154@}
[91]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:3.55453@:0@:0@:0@:lyric.short@} [173]
@{char@:brace number 155@:92@:3.78006@:0@:28.4332@:28.4332@:0@:0@:brace155@}
[92
@{char@:Default lyric tie@:174@:0@:0@:3.67924@:0@:0@:0@:lyric.default@}
[174]]
@{puorg@:ties@}
)
@{parameter@:staffsize@:22.45@}
@{parameter@:stafflinethickness@:0.52107@}
@{parameter@:staff_space@:5.6125@}
@{parameter@:linethickness@:0.52107@}
@{parameter@:black_notehead_width@:7.3881@}
@{parameter@:ledgerlinethickness@:1.04214@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:G clef@:148@:0@:16.15962@:16.06503@:30.24004@:16.15962@:0@:G@} [148]
@{char@:brace number 156@:93@:3.79187@:0@:28.62221@:28.62221@:0@:0@:brace156@}
[93]
@{char@:brace number 157@:94@:3.80396@:0@:28.8118@:28.8118@:0@:0@:brace157@}
[94]
@{char@:brace number 158@:95@:3.81577@:0@:29.002@:29.002@:0@:0@:brace158@}
[95] )
(some charht values had to be adjusted by as much as 0.50517pt)
(some chardp values had to be adjusted by as much as 0.41699pt)
Font metrics written on feta23.tfm.
Output written on feta23.600gf (142 characters, 52984 bytes).
Transcript written on feta23.log.

@{char@:brace number 159@:96@:3.82785@:0@:29.19278@:29.19278@:0@:0@:brace159@}
[96]
@{char@:brace number 160@:97@:3.83966@:0@:29.38417@:29.38417@:0@:0@:brace160@}
[97]
@{char@:brace number 161@:98@:3.85175@:0@:29.57616@:29.57616@:0@:0@:brace161@}
[98]
@{char@:G clef@:149@:0@:12.92775@:12.85208@:24.99141@:12.92775@:0@:G_change@}
[149
@{char@:brace number 162@:99@:3.86383@:0@:29.76875@:29.76875@:0@:0@:brace162@}
[99]]
@{char@:brace number 163@:100@:3.87592@:0@:29.96194@:29.96194@:0@:0@:brace163@}
[100]
@{char@:percussion clef@:150@:-4.221@:12.6@:6.3@:6.3@:12.6@:0@:percussion@}
[150]
@{char@:brace number 164@:101@:3.888@:0@:30.15573@:30.15573@:0@:0@:brace164@}
[101]
@{char@:percussion clef (reduced)@:151@:-3.3768@:10.08005@:5.04002@:5.04002@:10
.08005@:0@:percussion_change@} [151]
@{char@:brace number 165@:102@:3.90009@:0@:30.35013@:30.35013@:0@:0@:brace165@}
[102]
@{char@:brace number 166@:103@:3.91245@:0@:30.54514@:30.54514@:0@:0@:brace166@}
[103]
@{char@:brace number 167@:104@:3.92453@:0@:30.74077@:30.74077@:0@:0@:brace167@}
[104]
@{char@:brace number 168@:105@:3.93689@:0@:30.937@:30.937@:0@:0@:brace168@}
[105]
@{char@:brace number 169@:106@:3.94925@:0@:31.13383@:31.13383@:0@:0@:brace169@}
[106]
@{char@:tab clef@:152@:-1.25998@:17.64003@:18.14412@:18.14412@:17.64003@:0@:tab
@} [152]
@{char@:brace number 170@:107@:3.96161@:0@:31.3313@:31.3313@:0@:0@:brace170@}
[107]
@{char@:brace number 171@:108@:3.97397@:0@:31.52939@:31.52939@:0@:0@:brace171@}
[108]
@{char@:brace number 172@:109@:3.98633@:0@:31.72809@:31.72809@:0@:0@:brace172@}
[109]
@{char@:brace number 173@:110@:3.99896@:0@:31.9274@:31.9274@:0@:0@:brace173@}
[110]
@{char@:tab clef (reduced)@:153@:-1.008@:14.11208@:14.51534@:14.51534@:14.11208
@:0@:tab_change@} [153]
@{puorg@:clefs@}
)
@{char@:brace number 174@:111@:4.01132@:0@:32.12735@:32.12735@:0@:0@:brace174@}
[111]
@{char@:brace number 175@:112@:4.02396@:0@:32.32793@:32.32793@:0@:0@:brace175@}
[112]
@{char@:brace number 176@:113@:4.03659@:0@:32.52911@:32.52911@:0@:0@:brace176@}
[113]
@{char@:brace number 177@:114@:4.04922@:0@:32.73094@:32.73094@:0@:0@:brace177@}
[114]
@{char@:brace number 178@:115@:4.06186@:0@:32.93341@:32.93341@:0@:0@:brace178@}
[115]
@{char@:brace number 179@:116@:4.07477@:0@:33.1365@:33.1365@:0@:0@:brace179@}
[116]
@{char@:brace number 180@:117@:4.0874@:0@:33.34024@:33.34024@:0@:0@:brace180@}
[117]
@{char@:brace number 181@:118@:4.10031@:0@:33.5446@:33.5446@:0@:0@:brace181@}
[118]
@{char@:brace number 182@:119@:4.11295@:0@:33.74962@:33.74962@:0@:0@:brace182@}
[119]
@{char@:brace number 183@:120@:4.12585@:0@:33.95528@:33.95528@:0@:0@:brace183@}
[120]
@{char@:brace number 184@:121@:4.13876@:0@:34.16156@:34.16156@:0@:0@:brace184@}
[121]
@{char@:brace number 185@:122@:4.15167@:0@:34.3685@:34.3685@:0@:0@:brace185@}
[122]
@{char@:brace number 186@:123@:4.16486@:0@:34.57608@:34.57608@:0@:0@:brace186@}
[123]
@{char@:brace number 187@:124@:4.17776@:0@:34.78433@:34.78433@:0@:0@:brace187@}
[124]
@{char@:brace number 188@:125@:4.19095@:0@:34.99321@:34.99321@:0@:0@:brace188@}
[125]
@{char@:brace number 189@:126@:4.20413@:0@:35.20276@:35.20276@:0@:0@:brace189@}
[126]
@{char@:brace number 190@:127@:4.21704@:0@:35.41296@:35.41296@:0@:0@:brace190@}
[127]
@{char@:brace number 191@:128@:4.23022@:0@:35.62383@:35.62383@:0@:0@:brace191@}
[128]
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.36583pt)
(some chardp values had to be adjusted by as much as 0.36583pt)
Font metrics written on feta-braces-c.tfm.
Output written on feta-braces-c.600gf (64 characters, 65112 bytes).
Transcript written on feta-braces-c.log.
 (feta-timesignatures.mf
@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:10.79536@:6.3@:6.3@:10.79536@:0@:C44@} [154]
@{char@:2/2 meter@:155@:0@:10.79536@:6.3@:6.3@:10.79536@:0@:C22@} [155]
@{puorg@:timesig@}
) (feta-pedals.mf
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:9.8@:0@:9.8@:9.8@:0@:*@} [156]
@{char@:Pedal dash@:157@:0@:4.93355@:0@:7.2@:4.93355@:0@:M@} [157]rm -f feta-braces-b.*gf  feta-braces-b.*pk

@{char@:Pedal dot@:158@:0@:1.64452@:0@:1.64452@:1.64452@:0@:.@} [158]mv feta-braces-c.log feta-braces-c.tfm ./out
mv feta23.log feta23.tfm ./out

@{char@:Pedal P@:159@:0@:10.5@:0@:12.6@:10.5@:0@:P@} [159]( echo ./out/feta-braces-e.tfm:  > out/feta-braces-e.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-braces-e.mf;" 

@{char@:Pedal d@:160@:0@:8.40001@:0@:11.02501@:8.40001@:0@:d@} [160]
@{char@:Pedal e@:161@:0@:5.04001@:0@:7.2@:5.04001@:0@:e@} [161]
@{char@:Pedal Ped@:162@:0@:20.1096@:0@:12.6@:20.1096@:0@:Ped@} [162]
@{puorg@:pedal@}
) (feta-brackettips.mf
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:11.96997@:1.4175@:8.6184@:11.96997@:0@:up@}
[163]
@{char@:bracket tip down@:164@:0@:11.96997@:8.6184@:1.4175@:11.96997@:0@:down@}
[164]
@{puorg@:brackettips@}
) (feta-accordion.mfThis is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{group@:accordion@}
@{char@:accordion register discant@:165@:9.80405@:9.80405@:0.24783@:19.14786@:9
.80405@:0@:discant@} [165]
@{char@:accordion register dot@:166@:1.57501@:1.57501@:1.57501@:1.57501@:1.5750
1@:0@:dot@} [166]
@{char@:accordion register freebass@:167@:6.65404@:6.65404@:0.24783@:12.84784@:
6.65404@:0@:freebass@} [167]
@{char@:accordion register stdbass@:168@:12.95404@:12.95404@:0.24783@:25.44785@
:12.95404@:0@:stdbass@} [168]
@{char@:accordion register bayanbass@:169@:6.65404@:6.65404@:0.35403@:19.25404@
:6.65404@:0@:bayanbass@} [169]
(feta-braces-d.mf (feta-braces.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf) (feta-params.mf)
@{char@:accordion oldEE@:170@:6.65404@:6.65404@:0@:13.09566@:6.65404@:0@:oldEE@
} [170]
@{char@:accordion push@:171@:5.69351@:0@:0@:14.234@:0@:0@:push@} [171]
@{char@:accordion pull@:172@:4.83383@:0.85968@:0@:14.234@:0.85968@:0@:pull@}
[172]
@{puorg@:accordion@}
) (feta-ties.mf
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:3.98994@:0@:0@:0@:lyric.short@} [173]
@{char@:Default lyric tie@:174@:0@:0@:4.12993@:0@:0@:0@:lyric.default@}
[174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:25.2@}
@{parameter@:stafflinethickness@:0.54466@}
@{parameter@:staff_space@:6.3@}
@{parameter@:linethickness@:0.54466@}
@{parameter@:black_notehead_width@:8.29259@}
@{parameter@:ledgerlinethickness@:1.08932@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.55496pt)
(some chardp values had to be adjusted by as much as 0.45506pt)
Font metrics written on feta26.tfm.
Output written on feta26.600gf (142 characters, 59428 bytes).
Transcript written on feta26.log.

@{font@:GNU@:LilyPond@:feta-braces-d@:80@:fetaBraces@}
@{char@:brace number 192@:65@:4.24368@:0@:35.83533@:35.83533@:0@:0@:brace192@}
[65]
@{char@:brace number 193@:66@:4.25687@:0@:36.04752@:36.04752@:0@:0@:brace193@}
[66]
@{char@:brace number 194@:67@:4.27032@:0@:36.26036@:36.26036@:0@:0@:brace194@}
[67]
@{char@:brace number 195@:68@:4.28351@:0@:36.47388@:36.47388@:0@:0@:brace195@}
[68]
@{char@:brace number 196@:69@:4.29697@:0@:36.68805@:36.68805@:0@:0@:brace196@}
[69]
@{char@:brace number 197@:70@:4.31042@:0@:36.9029@:36.9029@:0@:0@:brace197@}
[70]
@{char@:brace number 198@:71@:4.32388@:0@:37.11842@:37.11842@:0@:0@:brace198@}
[71]
@{char@:brace number 199@:72@:4.33734@:0@:37.33461@:37.33461@:0@:0@:brace199@}
[72]
@{char@:brace number 200@:73@:4.35107@:0@:37.55148@:37.55148@:0@:0@:brace200@}
[73]rm -f feta23.*gf  feta23.*pk
rm -f feta-braces-c.*gf  feta-braces-c.*pk

@{char@:brace number 201@:74@:4.36453@:0@:37.76903@:37.76903@:0@:0@:brace201@}
[74]mv feta26.log feta26.tfm ./out

@{char@:brace number 202@:75@:4.37827@:0@:37.98726@:37.98726@:0@:0@:brace202@}
[75]
@{char@:brace number 203@:76@:4.392@:0@:38.20616@:38.20616@:0@:0@:brace203@}
[76]
@{char@:brace number 204@:77@:4.40573@:0@:38.42577@:38.42577@:0@:0@:brace204@}
[77]
@{char@:brace number 205@:78@:4.41946@:0@:38.64604@:38.64604@:0@:0@:brace205@}
[78]
@{char@:brace number 206@:79@:4.43347@:0@:38.86702@:38.86702@:0@:0@:brace206@}
[79]
@{char@:brace number 207@:80@:4.4472@:0@:39.08868@:39.08868@:0@:0@:brace207@}
[80]
@{char@:brace number 208@:81@:4.46121@:0@:39.31105@:39.31105@:0@:0@:brace208@}
[81]
@{char@:brace number 209@:82@:4.47522@:0@:39.5341@:39.5341@:0@:0@:brace209@}
[82]
@{char@:brace number 210@:83@:4.48923@:0@:39.75787@:39.75787@:0@:0@:brace210@}
[83]
@{char@:brace number 211@:84@:4.50323@:0@:39.98233@:39.98233@:0@:0@:brace211@}
[84]
@{char@:brace number 212@:85@:4.51724@:0@:40.20749@:40.20749@:0@:0@:brace212@}
[85]
@{char@:brace number 213@:86@:4.53152@:0@:40.43335@:40.43335@:0@:0@:brace213@}
[86]
@{char@:brace number 214@:87@:4.54553@:0@:40.65993@:40.65993@:0@:0@:brace214@}
[87]
@{char@:brace number 215@:88@:4.55981@:0@:40.8872@:40.8872@:0@:0@:brace215@}
[88]
@{char@:brace number 216@:89@:4.5741@:0@:41.1152@:41.1152@:0@:0@:brace216@}
[89]
@{char@:brace number 217@:90@:4.58838@:0@:41.3439@:41.3439@:0@:0@:brace217@}
[90]
@{char@:brace number 218@:91@:4.60294@:0@:41.57332@:41.57332@:0@:0@:brace218@}
[91]
@{char@:brace number 219@:92@:4.61722@:0@:41.80347@:41.80347@:0@:0@:brace219@}
[92]
@{char@:brace number 220@:93@:4.63177@:0@:42.03433@:42.03433@:0@:0@:brace220@}
[93]
@{char@:brace number 221@:94@:4.64633@:0@:42.26591@:42.26591@:0@:0@:brace221@}
[94]
@{char@:brace number 222@:95@:4.66089@:0@:42.49823@:42.49823@:0@:0@:brace222@}
[95]
@{char@:brace number 223@:96@:4.67545@:0@:42.73128@:42.73128@:0@:0@:brace223@}
[96]
@{char@:brace number 224@:97@:4.69@:0@:42.96506@:42.96506@:0@:0@:brace224@}
[97]
@{char@:brace number 225@:98@:4.70456@:0@:43.19955@:43.19955@:0@:0@:brace225@}
[98]
@{char@:brace number 226@:99@:4.71939@:0@:43.43478@:43.43478@:0@:0@:brace226@}
[99]
@{char@:brace number 227@:100@:4.73422@:0@:43.67075@:43.67075@:0@:0@:brace227@}
[100]
@{char@:brace number 228@:101@:4.74905@:0@:43.90746@:43.90746@:0@:0@:brace228@}
[101]
@{char@:brace number 229@:102@:4.76389@:0@:44.14491@:44.14491@:0@:0@:brace229@}
[102]
@{char@:brace number 230@:103@:4.77872@:0@:44.3831@:44.3831@:0@:0@:brace230@}
[103]
@{char@:brace number 231@:104@:4.79382@:0@:44.62204@:44.62204@:0@:0@:brace231@}
[104]
@{char@:brace number 232@:105@:4.80865@:0@:44.86174@:44.86174@:0@:0@:brace232@}
[105]
@{char@:brace number 233@:106@:4.82376@:0@:45.10217@:45.10217@:0@:0@:brace233@}
[106]
@{char@:brace number 234@:107@:4.83887@:0@:45.34335@:45.34335@:0@:0@:brace234@}
[107]rm -f feta26.*gf  feta26.*pk
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
( echo ./out/feta-braces-f.tfm:  > out/feta-braces-f.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-braces-f.mf;" 

@{char@:brace number 235@:108@:4.85397@:0@:45.5853@:45.5853@:0@:0@:brace235@}
[108]
@{char@:brace number 236@:109@:4.86935@:0@:45.828@:45.828@:0@:0@:brace236@}
[109]
@{char@:brace number 237@:110@:4.88446@:0@:46.07147@:46.07147@:0@:0@:brace237@}
[110]
@{char@:brace number 238@:111@:4.89984@:0@:46.31569@:46.31569@:0@:0@:brace238@}
[111]
@{char@:brace number 239@:112@:4.91522@:0@:46.56068@:46.56068@:0@:0@:brace239@}
[112]
@{char@:brace number 240@:113@:4.9306@:0@:46.80644@:46.80644@:0@:0@:brace240@}
[113]
(feta-braces-e.mf (feta-braces.mf (feta-autometric.mf
@{char@:brace number 241@:114@:4.94598@:0@:47.05298@:47.05298@:0@:0@:brace241@}
[114
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)] (feta-macros.mf) (feta-params.mf
@{char@:brace number 242@:115@:4.96136@:0@:47.30028@:47.30028@:0@:0@:brace242@}
[115])
@{char@:brace number 243@:116@:4.97702@:0@:47.54834@:47.54834@:0@:0@:brace243@}
[116]
@{char@:brace number 244@:117@:4.9924@:0@:47.7972@:47.7972@:0@:0@:brace244@}
[117]
@{char@:brace number 245@:118@:5.00806@:0@:48.04681@:48.04681@:0@:0@:brace245@}
[118]
@{char@:brace number 246@:119@:5.02371@:0@:48.29721@:48.29721@:0@:0@:brace246@}
[119]
@{char@:brace number 247@:120@:5.03964@:0@:48.5484@:48.5484@:0@:0@:brace247@}
[120]
@{char@:brace number 248@:121@:5.0553@:0@:48.80038@:48.80038@:0@:0@:brace248@}
[121]
@{font@:GNU@:LilyPond@:feta-braces-e@:100@:fetaBraces@}
@{char@:brace number 256@:65@:5.18329@:0@:50.84483@:50.84483@:0@:0@:brace256@}
[65]
@{char@:brace number 257@:66@:5.1995@:0@:51.10399@:51.10399@:0@:0@:brace257@}
[66]
@{char@:brace number 249@:122@:5.07123@:0@:49.05315@:49.05315@:0@:0@:brace249@}
[122]
@{char@:brace number 258@:67@:5.2157@:0@:51.36397@:51.36397@:0@:0@:brace258@}
[67]
@{char@:brace number 250@:123@:5.08716@:0@:49.3067@:49.3067@:0@:0@:brace250@}
[123
@{char@:brace number 259@:68@:5.23218@:0@:51.62476@:51.62476@:0@:0@:brace259@}
[68]]
@{char@:brace number 260@:69@:5.24866@:0@:51.88637@:51.88637@:0@:0@:brace260@}
[69]
@{char@:brace number 251@:124@:5.10309@:0@:49.56107@:49.56107@:0@:0@:brace251@}
[124]
@{char@:brace number 261@:70@:5.26486@:0@:52.1488@:52.1488@:0@:0@:brace261@}
[70]
@{char@:brace number 252@:125@:5.11902@:0@:49.81622@:49.81622@:0@:0@:brace252@}
[125]
@{char@:brace number 262@:71@:5.28134@:0@:52.41205@:52.41205@:0@:0@:brace262@}
[71]
@{char@:brace number 263@:72@:5.2981@:0@:52.67612@:52.67612@:0@:0@:brace263@}
[72]
@{char@:brace number 253@:126@:5.13495@:0@:50.07217@:50.07217@:0@:0@:brace253@}
[126]
@{char@:brace number 264@:73@:5.31458@:0@:52.94102@:52.94102@:0@:0@:brace264@}
[73]
@{char@:brace number 254@:127@:5.15115@:0@:50.32892@:50.32892@:0@:0@:brace254@}
[127]
@{char@:brace number 265@:74@:5.33133@:0@:53.20676@:53.20676@:0@:0@:brace265@}
[74]
@{char@:brace number 266@:75@:5.34781@:0@:53.47331@:53.47331@:0@:0@:brace266@}
[75]
@{char@:brace number 255@:128@:5.16708@:0@:50.58647@:50.58647@:0@:0@:brace255@}
[128]
@{tnof@})
@{char@:brace number 267@:76@:5.36456@:0@:53.7407@:53.7407@:0@:0@:brace267@}
[76]
@{char@:brace number 268@:77@:5.38132@:0@:54.00893@:54.00893@:0@:0@:brace268@}
[77] )
(some charht values had to be adjusted by as much as 0.44682pt)
(some chardp values had to be adjusted by as much as 0.44682pt)
Font metrics written on feta-braces-d.tfm.
Output written on feta-braces-d.600gf (64 characters, 94084 bytes).
Transcript written on feta-braces-d.log.

@{char@:brace number 269@:78@:5.39835@:0@:54.278@:54.278@:0@:0@:brace269@}
[78]
@{char@:brace number 270@:79@:5.4151@:0@:54.54791@:54.54791@:0@:0@:brace270@}
[79]
@{char@:brace number 271@:80@:5.43213@:0@:54.81866@:54.81866@:0@:0@:brace271@}
[80mv feta-braces-d.log feta-braces-d.tfm ./out
]
@{char@:brace number 272@:81@:5.44916@:0@:55.09027@:55.09027@:0@:0@:brace272@}
[81]
@{char@:brace number 273@:82@:5.46619@:0@:55.36273@:55.36273@:0@:0@:brace273@}
[82]
@{char@:brace number 274@:83@:5.48322@:0@:55.63605@:55.63605@:0@:0@:brace274@}
[83]
@{char@:brace number 275@:84@:5.50052@:0@:55.9102@:55.9102@:0@:0@:brace275@}
[84]
@{char@:brace number 276@:85@:5.51755@:0@:56.18523@:56.18523@:0@:0@:brace276@}
[85]
@{char@:brace number 277@:86@:5.53485@:0@:56.4611@:56.4611@:0@:0@:brace277@}
[86]
@{char@:brace number 278@:87@:5.55215@:0@:56.73785@:56.73785@:0@:0@:brace278@}
[87]
@{char@:brace number 279@:88@:5.56973@:0@:57.01546@:57.01546@:0@:0@:brace279@}
[88]
@{char@:brace number 280@:89@:5.58704@:0@:57.29395@:57.29395@:0@:0@:brace280@}
[89]
@{char@:brace number 281@:90@:5.60461@:0@:57.5733@:57.5733@:0@:0@:brace281@}
[90]
@{char@:brace number 282@:91@:5.6222@:0@:57.85353@:57.85353@:0@:0@:brace282@}
[91]
@{char@:brace number 283@:92@:5.63977@:0@:58.13464@:58.13464@:0@:0@:brace283@}
[92]
@{char@:brace number 284@:93@:5.65735@:0@:58.41663@:58.41663@:0@:0@:brace284@}
[93]
@{char@:brace number 285@:94@:5.6752@:0@:58.6995@:58.6995@:0@:0@:brace285@}
[94]
@{char@:brace number 286@:95@:5.69278@:0@:58.98326@:58.98326@:0@:0@:brace286@}
[95]
@{char@:brace number 287@:96@:5.71063@:0@:59.2679@:59.2679@:0@:0@:brace287@}
[96]
@{char@:brace number 288@:97@:5.72849@:0@:59.55342@:59.55342@:0@:0@:brace288@}
[97]
@{char@:brace number 289@:98@:5.74661@:0@:59.83984@:59.83984@:0@:0@:brace289@}
[98]
@{char@:brace number 290@:99@:5.76447@:0@:60.12718@:60.12718@:0@:0@:brace290@}
[99]
@{char@:brace number 291@:100@:5.7826@:0@:60.4154@:60.4154@:0@:0@:brace291@}
[100]
@{char@:brace number 292@:101@:5.80072@:0@:60.70453@:60.70453@:0@:0@:brace292@}
[101]
@{char@:brace number 293@:102@:5.81885@:0@:60.99457@:60.99457@:0@:0@:brace293@}
[102]
@{char@:brace number 294@:103@:5.83698@:0@:61.2855@:61.2855@:0@:0@:brace294@}
[103]
@{char@:brace number 295@:104@:5.85538@:0@:61.57736@:61.57736@:0@:0@:brace295@}
[104]
@{char@:brace number 296@:105@:5.8735@:0@:61.87013@:61.87013@:0@:0@:brace296@}
[105]
@{char@:brace number 297@:106@:5.8919@:0@:62.1638@:62.1638@:0@:0@:brace297@}
[106]
@{char@:brace number 298@:107@:5.91031@:0@:62.4584@:62.4584@:0@:0@:brace298@}
[107]
@{char@:brace number 299@:108@:5.92899@:0@:62.75392@:62.75392@:0@:0@:brace299@}
[108]
@{char@:brace number 300@:109@:5.94739@:0@:63.05037@:63.05037@:0@:0@:brace300@}
[109]
@{char@:brace number 301@:110@:5.96606@:0@:63.34773@:63.34773@:0@:0@:brace301@}
[110]
@{char@:brace number 302@:111@:5.98474@:0@:63.64604@:63.64604@:0@:0@:brace302@}
[111]
@{char@:brace number 303@:112@:6.00342@:0@:63.94528@:63.94528@:0@:0@:brace303@}
[112]
@{char@:brace number 304@:113@:6.02237@:0@:64.24545@:64.24545@:0@:0@:brace304@}
[113]
@{char@:brace number 305@:114@:6.04105@:0@:64.54657@:64.54657@:0@:0@:brace305@}
[114]
@{char@:brace number 306@:115@:6.06@:0@:64.84862@:64.84862@:0@:0@:brace306@}
[115]
@{char@:brace number 307@:116@:6.07895@:0@:65.15163@:65.15163@:0@:0@:brace307@}
[116]
@{char@:brace number 308@:117@:6.09818@:0@:65.45557@:65.45557@:0@:0@:brace308@}
[117]
@{char@:brace number 309@:118@:6.11713@:0@:65.76048@:65.76048@:0@:0@:brace309@}
[118]
@{char@:brace number 310@:119@:6.13635@:0@:66.06633@:66.06633@:0@:0@:brace310@}
[119]
@{char@:brace number 311@:120@:6.15558@:0@:66.37315@:66.37315@:0@:0@:brace311@}
[120]
@{char@:brace number 312@:121@:6.1748@:0@:66.68092@:66.68092@:0@:0@:brace312@}
[121]
@{char@:brace number 313@:122@:6.19403@:0@:66.98967@:66.98967@:0@:0@:brace313@}
[122]
@{char@:brace number 314@:123@:6.21353@:0@:67.29936@:67.29936@:0@:0@:brace314@}
[123]
@{char@:brace number 315@:124@:6.23303@:0@:67.61005@:67.61005@:0@:0@:brace315@}
[124]rm -f feta-braces-d.*gf  feta-braces-d.*pk
( echo ./out/feta-braces-g.tfm:  > out/feta-braces-g.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-braces-g.mf;" 

@{char@:brace number 316@:125@:6.25253@:0@:67.92169@:67.92169@:0@:0@:brace316@}
[125]
@{char@:brace number 317@:126@:6.27203@:0@:68.23433@:68.23433@:0@:0@:brace317@}
[126]
@{char@:brace number 318@:127@:6.29181@:0@:68.54793@:68.54793@:0@:0@:brace318@}
[127]
@{char@:brace number 319@:128@:6.31131@:0@:68.86252@:68.86252@:0@:0@:brace319@}
[128]
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.54578pt)
(some chardp values had to be adjusted by as much as 0.54578pt)
Font metrics written on feta-braces-e.tfm.
Output written on feta-braces-e.600gf (64 characters, 129396 bytes).
Transcript written on feta-braces-e.log.
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta-braces-f.mf (feta-braces.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf) (feta-params.mf)mv feta-braces-e.log feta-braces-e.tfm ./out

@{font@:GNU@:LilyPond@:feta-braces-f@:120@:fetaBraces@}
@{char@:brace number 320@:65@:6.33109@:0@:69.17809@:69.17809@:0@:0@:brace320@}
[65]
@{char@:brace number 321@:66@:6.35086@:0@:69.49463@:69.49463@:0@:0@:brace321@}
[66]
@{char@:brace number 322@:67@:6.37091@:0@:69.81218@:69.81218@:0@:0@:brace322@}
[67]
@{char@:brace number 323@:68@:6.39069@:0@:70.13072@:70.13072@:0@:0@:brace323@}
[68]
@{char@:brace number 324@:69@:6.41074@:0@:70.45026@:70.45026@:0@:0@:brace324@}
[69]
@{char@:brace number 325@:70@:6.43079@:0@:70.77078@:70.77078@:0@:0@:brace325@}
[70]
@{char@:brace number 326@:71@:6.45111@:0@:71.09233@:71.09233@:0@:0@:brace326@}
[71]
@{char@:brace number 327@:72@:6.47116@:0@:71.41489@:71.41489@:0@:0@:brace327@}
[72]
@{char@:brace number 328@:73@:6.49149@:0@:71.73843@:71.73843@:0@:0@:brace328@}
[73]
@{char@:brace number 329@:74@:6.51181@:0@:72.06302@:72.06302@:0@:0@:brace329@}
[74]
@{char@:brace number 330@:75@:6.53214@:0@:72.38861@:72.38861@:0@:0@:brace330@}
[75]
@{char@:brace number 331@:76@:6.55273@:0@:72.71521@:72.71521@:0@:0@:brace331@}
[76]
@{char@:brace number 332@:77@:6.57306@:0@:73.04285@:73.04285@:0@:0@:brace332@}
[77]
@{char@:brace number 333@:78@:6.59366@:0@:73.3715@:73.3715@:0@:0@:brace333@}
[78]
@{char@:brace number 334@:79@:6.61426@:0@:73.70119@:73.70119@:0@:0@:brace334@}
[79]
@{char@:brace number 335@:80@:6.63513@:0@:74.03189@:74.03189@:0@:0@:brace335@}
[80]
@{char@:brace number 336@:81@:6.65573@:0@:74.36365@:74.36365@:0@:0@:brace336@}
[81]
@{char@:brace number 337@:82@:6.6766@:0@:74.69644@:74.69644@:0@:0@:brace337@}
[82]
@{char@:brace number 338@:83@:6.69748@:0@:75.03027@:75.03027@:0@:0@:brace338@}
[83]
@{char@:brace number 339@:84@:6.71863@:0@:75.36514@:75.36514@:0@:0@:brace339@}
[84]
@{char@:brace number 340@:85@:6.7395@:0@:75.70108@:75.70108@:0@:0@:brace340@}
[85]
@{char@:brace number 341@:86@:6.76065@:0@:76.03806@:76.03806@:0@:0@:brace341@}
[86]
@{char@:brace number 342@:87@:6.7818@:0@:76.37608@:76.37608@:0@:0@:brace342@}
[87]
@{char@:brace number 343@:88@:6.80295@:0@:76.71518@:76.71518@:0@:0@:brace343@}
[88]
@{char@:brace number 344@:89@:6.82437@:0@:77.05533@:77.05533@:0@:0@:brace344@}
[89]
@{char@:brace number 345@:90@:6.8458@:0@:77.39655@:77.39655@:0@:0@:brace345@}
[90]
@{char@:brace number 346@:91@:6.86722@:0@:77.73883@:77.73883@:0@:0@:brace346@}
[91This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
]
@{char@:brace number 347@:92@:6.88864@:0@:78.0822@:78.0822@:0@:0@:brace347@}
[92]
@{char@:brace number 348@:93@:6.91006@:0@:78.42662@:78.42662@:0@:0@:brace348@}
[93]
@{char@:brace number 349@:94@:6.93176@:0@:78.77213@:78.77213@:0@:0@:brace349@}
[94]( echo ./out/feta-braces-h.tfm:  > out/feta-braces-h.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-braces-h.mf;" 

@{char@:brace number 350@:95@:6.95346@:0@:79.11871@:79.11871@:0@:0@:brace350@}
[95]
@{char@:brace number 351@:96@:6.97516@:0@:79.46638@:79.46638@:0@:0@:brace351@}
[96]
@{char@:brace number 352@:97@:6.99713@:0@:79.81514@:79.81514@:0@:0@:brace352@}
[97]
@{char@:brace number 353@:98@:7.0191@:0@:80.165@:80.165@:0@:0@:brace353@}
[98]
@{char@:brace number 354@:99@:7.04108@:0@:80.51595@:80.51595@:0@:0@:brace354@}
[99]
@{char@:brace number 355@:100@:7.06305@:0@:80.868@:80.868@:0@:0@:brace355@}
[100]
@{char@:brace number 356@:101@:7.08502@:0@:81.22115@:81.22115@:0@:0@:brace356@}
[101]
(feta-braces-g.mf (feta-braces.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:brace number 357@:102@:7.10727@:0@:81.5754@:81.5754@:0@:0@:brace357@}
[102 (feta-macros.mf]) (feta-params.mf
@{char@:brace number 358@:103@:7.12952@:0@:81.93076@:81.93076@:0@:0@:brace358@}
[103])
@{char@:brace number 359@:104@:7.15176@:0@:82.28723@:82.28723@:0@:0@:brace359@}
[104]
@{char@:brace number 360@:105@:7.17429@:0@:82.64482@:82.64482@:0@:0@:brace360@}
[105]
@{char@:brace number 361@:106@:7.19681@:0@:83.00354@:83.00354@:0@:0@:brace361@}
[106]
@{char@:brace number 362@:107@:7.21933@:0@:83.36337@:83.36337@:0@:0@:brace362@}
[107]
@{char@:brace number 363@:108@:7.24185@:0@:83.72435@:83.72435@:0@:0@:brace363@}
[108]
@{char@:brace number 364@:109@:7.26465@:0@:84.08644@:84.08644@:0@:0@:brace364@}
[109]
@{char@:brace number 365@:110@:7.28717@:0@:84.44968@:84.44968@:0@:0@:brace365@}
[110]
@{font@:GNU@:LilyPond@:feta-braces-g@:140@:fetaBraces@}
@{char@:brace number 384@:65@:7.73322@:0@:91.57112@:91.57112@:0@:0@:brace384@}
[65]
@{char@:brace number 366@:111@:7.30997@:0@:84.81403@:84.81403@:0@:0@:brace366@}
[111]
@{char@:brace number 385@:66@:7.75739@:0@:91.95778@:91.95778@:0@:0@:brace385@}
[66]
@{char@:brace number 367@:112@:7.33304@:0@:85.17953@:85.17953@:0@:0@:brace367@}
[112]
@{char@:brace number 386@:67@:7.78156@:0@:92.34564@:92.34564@:0@:0@:brace386@}
[67
@{char@:brace number 368@:113@:7.35583@:0@:85.54619@:85.54619@:0@:0@:brace368@}
[113]]
@{char@:brace number 387@:68@:7.806@:0@:92.73473@:92.73473@:0@:0@:brace387@}
[68
@{char@:brace number 369@:114@:7.3789@:0@:85.91397@:85.91397@:0@:0@:brace369@}
[114]]
@{char@:brace number 388@:69@:7.83044@:0@:93.12502@:93.12502@:0@:0@:brace388@}
[69
@{char@:brace number 370@:115@:7.40198@:0@:86.28291@:86.28291@:0@:0@:brace370@}
[115]]
@{char@:brace number 389@:70@:7.85489@:0@:93.51654@:93.51654@:0@:0@:brace389@}
[70
@{char@:brace number 371@:116@:7.42532@:0@:86.65302@:86.65302@:0@:0@:brace371@}
[116]]
@{char@:brace number 390@:71@:7.87961@:0@:93.90929@:93.90929@:0@:0@:brace390@}
[71
@{char@:brace number 372@:117@:7.4484@:0@:87.02429@:87.02429@:0@:0@:brace372@}
[117]]
@{char@:brace number 373@:118@:7.47174@:0@:87.39671@:87.39671@:0@:0@:brace373@}
[118
@{char@:brace number 391@:72@:7.90433@:0@:94.30327@:94.30327@:0@:0@:brace391@}
[72]]
@{char@:brace number 374@:119@:7.49509@:0@:87.7703@:87.7703@:0@:0@:brace374@}
[119
@{char@:brace number 392@:73@:7.92905@:0@:94.69849@:94.69849@:0@:0@:brace392@}
[73]]
@{char@:brace number 375@:120@:7.5187@:0@:88.14505@:88.14505@:0@:0@:brace375@}
[120
@{char@:brace number 393@:74@:7.95377@:0@:95.09494@:95.09494@:0@:0@:brace393@}
[74]]
@{char@:brace number 394@:75@:7.97876@:0@:95.49263@:95.49263@:0@:0@:brace394@}
[75]
@{char@:brace number 376@:121@:7.54205@:0@:88.521@:88.521@:0@:0@:brace376@}
[121]
@{char@:brace number 395@:76@:8.00375@:0@:95.89157@:95.89157@:0@:0@:brace395@}
[76]rm -f feta-braces-e.*gf  feta-braces-e.*pk

@{char@:brace number 377@:122@:7.56567@:0@:88.8981@:88.8981@:0@:0@:brace377@}
[122]
@{char@:brace number 396@:77@:8.02875@:0@:96.29176@:96.29176@:0@:0@:brace396@}
[77]
@{char@:brace number 378@:123@:7.58957@:0@:89.27638@:89.27638@:0@:0@:brace378@}
[123]
@{char@:brace number 397@:78@:8.05374@:0@:96.69319@:96.69319@:0@:0@:brace397@}
[78]
@{char@:brace number 379@:124@:7.61319@:0@:89.65585@:89.65585@:0@:0@:brace379@}
[124]
@{char@:brace number 398@:79@:8.07901@:0@:97.09589@:97.09589@:0@:0@:brace398@}
[79]
@{char@:brace number 380@:125@:7.63708@:0@:90.03651@:90.03651@:0@:0@:brace380@}
[125]
@{char@:brace number 399@:80@:8.10428@:0@:97.49983@:97.49983@:0@:0@:brace399@}
[80]
@{char@:brace number 381@:126@:7.66098@:0@:90.41837@:90.41837@:0@:0@:brace381@}
[126]
@{char@:brace number 400@:81@:8.12982@:0@:97.90504@:97.90504@:0@:0@:brace400@}
[81
@{char@:brace number 382@:127@:7.68488@:0@:90.80142@:90.80142@:0@:0@:brace382@}
[127]]
@{char@:brace number 401@:82@:8.15509@:0@:98.31154@:98.31154@:0@:0@:brace401@}
[82
@{char@:brace number 383@:128@:7.70905@:0@:91.18567@:91.18567@:0@:0@:brace383@}
[128]]
@{tnof@})
@{char@:brace number 402@:83@:8.18063@:0@:98.7193@:98.7193@:0@:0@:brace402@}
[83]
@{char@:brace number 403@:84@:8.20618@:0@:99.12833@:99.12833@:0@:0@:brace403@}
[84 )
(some charht values had to be adjusted by as much as 0.66663pt)
(some chardp values had to be adjusted by as much as 0.66663pt)
Font metrics written on feta-braces-f.tfm.
Output written on feta-braces-f.600gf (64 characters, 172576 bytes).
Transcript written on feta-braces-f.log.
]
@{char@:brace number 404@:85@:8.232@:0@:99.53864@:99.53864@:0@:0@:brace404@}
[85]
@{char@:brace number 405@:86@:8.25781@:0@:99.95024@:99.95024@:0@:0@:brace405@}
[86]
@{char@:brace number 406@:87@:8.28363@:0@:100.36313@:100.36313@:0@:0@:brace406@
} [87]
@{char@:brace number 407@:88@:8.30945@:0@:100.77731@:100.77731@:0@:0@:brace407@
} [88]
@{char@:brace number 408@:89@:8.33554@:0@:101.19278@:101.19278@:0@:0@:brace408@
} [89]
@{char@:brace number 409@:90@:8.36163@:0@:101.60956@:101.60956@:0@:0@:brace409@
} [90mv feta-braces-f.log feta-braces-f.tfm ./out
]
@{char@:brace number 410@:91@:8.38773@:0@:102.02765@:102.02765@:0@:0@:brace410@
} [91]
@{char@:brace number 411@:92@:8.4141@:0@:102.44704@:102.44704@:0@:0@:brace411@}
[92]
@{char@:brace number 412@:93@:8.44046@:0@:102.86774@:102.86774@:0@:0@:brace412@
} [93]
@{char@:brace number 413@:94@:8.46683@:0@:103.28976@:103.28976@:0@:0@:brace413@
} [94]
@{char@:brace number 414@:95@:8.49347@:0@:103.7131@:103.7131@:0@:0@:brace414@}
[95]
@{char@:brace number 415@:96@:8.51984@:0@:104.13777@:104.13777@:0@:0@:brace415@
} [96]
@{char@:brace number 416@:97@:8.54648@:0@:104.56377@:104.56377@:0@:0@:brace416@
} [97]
@{char@:brace number 417@:98@:8.5734@:0@:104.99109@:104.99109@:0@:0@:brace417@}
[98]
@{char@:brace number 418@:99@:8.60031@:0@:105.41977@:105.41977@:0@:0@:brace418@
} [99]
@{char@:brace number 419@:100@:8.62723@:0@:105.84978@:105.84978@:0@:0@:brace419
@} [100]
@{char@:brace number 420@:101@:8.65414@:0@:106.28114@:106.28114@:0@:0@:brace420
@} [101]
@{char@:brace number 421@:102@:8.68134@:0@:106.71385@:106.71385@:0@:0@:brace421
@} [102]
@{char@:brace number 422@:103@:8.70853@:0@:107.14792@:107.14792@:0@:0@:brace422
@} [103]
@{char@:brace number 423@:104@:8.73572@:0@:107.58334@:107.58334@:0@:0@:brace423
@} [104]
@{char@:brace number 424@:105@:8.76291@:0@:108.02013@:108.02013@:0@:0@:brace424
@} [105]
@{char@:brace number 425@:106@:8.79037@:0@:108.45827@:108.45827@:0@:0@:brace425
@} [106]
@{char@:brace number 426@:107@:8.81784@:0@:108.8978@:108.8978@:0@:0@:brace426@}
[107]
@{char@:brace number 427@:108@:8.84558@:0@:109.33868@:109.33868@:0@:0@:brace427
@} [108]rm -f feta-braces-f.*gf  feta-braces-f.*pk

@{char@:brace number 428@:109@:8.87332@:0@:109.78096@:109.78096@:0@:0@:brace428
@} [109( echo ./out/feta-braces-i.tfm:  > out/feta-braces-i.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-braces-i.mf;" 
]
@{char@:brace number 429@:110@:8.90106@:0@:110.22462@:110.22462@:0@:0@:brace429
@} [110]
@{char@:brace number 430@:111@:8.9288@:0@:110.66968@:110.66968@:0@:0@:brace430@
} [111]
@{char@:brace number 431@:112@:8.95682@:0@:111.11612@:111.11612@:0@:0@:brace431
@} [112]
@{char@:brace number 432@:113@:8.98483@:0@:111.56396@:111.56396@:0@:0@:brace432
@} [113]
@{char@:brace number 433@:114@:9.01312@:0@:112.0132@:112.0132@:0@:0@:brace433@}
[114]
@{char@:brace number 434@:115@:9.04114@:0@:112.46385@:112.46385@:0@:0@:brace434
@} [115]
@{char@:brace number 435@:116@:9.06943@:0@:112.91591@:112.91591@:0@:0@:brace435
@} [116]
@{char@:brace number 436@:117@:9.09799@:0@:113.36938@:113.36938@:0@:0@:brace436
@} [117]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:brace number 437@:118@:9.12628@:0@:113.82428@:113.82428@:0@:0@:brace437
@} [118]
@{char@:brace number 438@:119@:9.15485@:0@:114.2806@:114.2806@:0@:0@:brace438@}
[119]
@{char@:brace number 439@:120@:9.18369@:0@:114.73834@:114.73834@:0@:0@:brace439
@} [120]
@{char@:brace number 440@:121@:9.21225@:0@:115.19753@:115.19753@:0@:0@:brace440
@} [121]
@{char@:brace number 441@:122@:9.24109@:0@:115.65813@:115.65813@:0@:0@:brace441
@} [122]
@{char@:brace number 442@:123@:9.2702@:0@:116.12018@:116.12018@:0@:0@:brace442@
} [123]
(feta-braces-h.mf (feta-braces.mf (feta-autometric.mf
@{char@:brace number 443@:124@:9.29904@:0@:116.5837@:116.5837@:0@:0@:brace443@}
[124
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf]) (feta-params.mf
@{char@:brace number 444@:125@:9.32816@:0@:117.04865@:117.04865@:0@:0@:brace444
@} [125])
@{char@:brace number 445@:126@:9.35754@:0@:117.51505@:117.51505@:0@:0@:brace445
@} [126]
@{char@:brace number 446@:127@:9.38666@:0@:117.98293@:117.98293@:0@:0@:brace446
@} [127]
@{char@:brace number 447@:128@:9.41605@:0@:118.45226@:118.45226@:0@:0@:brace447
@} [128]
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.81425pt)
(some chardp values had to be adjusted by as much as 0.81425pt)
Font metrics written on feta-braces-g.tfm.
Output written on feta-braces-g.600gf (64 characters, 225352 bytes).
Transcript written on feta-braces-g.log.

@{font@:GNU@:LilyPond@:feta-braces-h@:160@:fetaBraces@}
@{char@:brace number 448@:65@:9.44571@:0@:118.92307@:118.92307@:0@:0@:brace448@
} [65]
@{char@:brace number 449@:66@:9.4751@:0@:119.39534@:119.39534@:0@:0@:brace449@}
[66]
@{char@:brace number 450@:67@:9.50476@:0@:119.8691@:119.8691@:0@:0@:brace450@}
[67]
@{char@:brace number 451@:68@:9.5347@:0@:120.34433@:120.34433@:0@:0@:brace451@}
[68]
@{char@:brace number 452@:69@:9.56436@:0@:120.82108@:120.82108@:0@:0@:brace452@
} [69]
@{char@:brace number 453@:70@:9.5943@:0@:121.29929@:121.29929@:0@:0@:brace453@}
[70mv feta-braces-g.log feta-braces-g.tfm ./out
]( echo ./out/feta-alphabet11.tfm:  > out/feta-alphabet11.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-alphabet11.mf;" 

@{char@:brace number 454@:71@:9.62451@:0@:121.779@:121.779@:0@:0@:brace454@}
[71]
@{char@:brace number 455@:72@:9.65445@:0@:122.26022@:122.26022@:0@:0@:brace455@
} [72]
@{char@:brace number 456@:73@:9.68466@:0@:122.74295@:122.74295@:0@:0@:brace456@
} [73]
@{char@:brace number 457@:74@:9.71515@:0@:123.22717@:123.22717@:0@:0@:brace457@
} [74]
@{char@:brace number 458@:75@:9.74564@:0@:123.71294@:123.71294@:0@:0@:brace458@
} [75]
@{char@:brace number 459@:76@:9.77612@:0@:124.20021@:124.20021@:0@:0@:brace459@
} [76]
@{char@:brace number 460@:77@:9.80661@:0@:124.68903@:124.68903@:0@:0@:brace460@
} [77]
@{char@:brace number 461@:78@:9.83737@:0@:125.17935@:125.17935@:0@:0@:brace461@
} [78]
@{char@:brace number 462@:79@:9.86813@:0@:125.67122@:125.67122@:0@:0@:brace462@
} [79]
@{char@:brace number 463@:80@:9.8989@:0@:126.16463@:126.16463@:0@:0@:brace463@}
[80]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:brace number 464@:81@:9.92993@:0@:126.65958@:126.65958@:0@:0@:brace464@
} [81]
@{char@:brace number 465@:82@:9.96097@:0@:127.15607@:127.15607@:0@:0@:brace465@
} [82]
@{char@:brace number 466@:83@:9.99228@:0@:127.65411@:127.65411@:0@:0@:brace466@
} [83]
@{char@:brace number 467@:84@:10.02359@:0@:128.15373@:128.15373@:0@:0@:brace467
@} [84]
@{char@:brace number 468@:85@:10.0549@:0@:128.6549@:128.6549@:0@:0@:brace468@}
[85]
@{char@:brace number 469@:86@:10.08649@:0@:129.15765@:129.15765@:0@:0@:brace469
@} [86]
@{char@:brace number 470@:87@:10.11807@:0@:129.66199@:129.66199@:0@:0@:brace470
@} [87]
@{char@:brace number 471@:88@:10.14966@:0@:130.1679@:130.1679@:0@:0@:brace471@}
[88]
@{char@:brace number 472@:89@:10.18152@:0@:130.67537@:130.67537@:0@:0@:brace472
@} [89]
@{char@:brace number 473@:90@:10.21338@:0@:131.18445@:131.18445@:0@:0@:brace473
@} [90]
@{char@:brace number 474@:91@:10.24524@:0@:131.69511@:131.69511@:0@:0@:brace474
@} [91]
@{char@:brace number 475@:92@:10.27737@:0@:132.20738@:132.20738@:0@:0@:brace475
@} [92]
@{char@:brace number 476@:93@:10.30951@:0@:132.72125@:132.72125@:0@:0@:brace476
@} [93]
@{char@:brace number 477@:94@:10.34164@:0@:133.23672@:133.23672@:0@:0@:brace477
@} [94]
@{char@:brace number 478@:95@:10.37405@:0@:133.7538@:133.7538@:0@:0@:brace478@}
[95]
@{char@:brace number 479@:96@:10.40674@:0@:134.2725@:134.2725@:0@:0@:brace479@}
[96]
@{char@:brace number 480@:97@:10.43915@:0@:134.79285@:134.79285@:0@:0@:brace480
@} [97]
@{char@:brace number 481@:98@:10.47183@:0@:135.3148@:135.3148@:0@:0@:brace481@}
[98]
@{char@:brace number 482@:99@:10.50479@:0@:135.8384@:135.8384@:0@:0@:brace482@}
[99]
@{char@:brace number 483@:100@:10.53748@:0@:136.36363@:136.36363@:0@:0@:brace48
3@} [100]
@{char@:brace number 484@:101@:10.57043@:0@:136.8905@:136.8905@:0@:0@:brace484@
} [101]
@{char@:brace number 485@:102@:10.60367@:0@:137.41902@:137.41902@:0@:0@:brace48
5@} [102]
@{char@:brace number 486@:103@:10.6369@:0@:137.9492@:137.9492@:0@:0@:brace486@}
[103]
@{char@:brace number 487@:104@:10.67014@:0@:138.48105@:138.48105@:0@:0@:brace48
7@} [104]
@{char@:brace number 488@:105@:10.70364@:0@:139.01456@:139.01456@:0@:0@:brace48
8@} [105]
@{char@:brace number 489@:106@:10.73715@:0@:139.54973@:139.54973@:0@:0@:brace48
9@} [106]
@{char@:brace number 490@:107@:10.77066@:0@:140.0866@:140.0866@:0@:0@:brace490@
} [107]
@{char@:brace number 491@:108@:10.80444@:0@:140.62512@:140.62512@:0@:0@:brace49
1@} [108]
@{char@:brace number 492@:109@:10.83823@:0@:141.16534@:141.16534@:0@:0@:brace49
2@} [109]
@{char@:brace number 493@:110@:10.87201@:0@:141.70726@:141.70726@:0@:0@:brace49
3@} [110]
@{char@:brace number 494@:111@:10.90607@:0@:142.25085@:142.25085@:0@:0@:brace49
4@} [111]
@{char@:brace number 495@:112@:10.9404@:0@:142.79616@:142.79616@:0@:0@:brace495
@} [112]
@{char@:brace number 496@:113@:10.97446@:0@:143.34319@:143.34319@:0@:0@:brace49
6@} [113]
@{char@:brace number 497@:114@:11.00879@:0@:143.8919@:143.8919@:0@:0@:brace497@
} [114]
@{char@:brace number 498@:115@:11.0434@:0@:144.44234@:144.44234@:0@:0@:brace498
@} [115]
@{char@:brace number 499@:116@:11.078@:0@:144.9945@:144.9945@:0@:0@:brace499@}
[116]
@{char@:brace number 500@:117@:11.11261@:0@:145.54842@:145.54842@:0@:0@:brace50
0@} [117]
@{char@:brace number 501@:118@:11.14749@:0@:146.10405@:146.10405@:0@:0@:brace50
1@} [118]
@{char@:brace number 502@:119@:11.18237@:0@:146.66142@:146.66142@:0@:0@:brace50
2@} [119]
@{char@:brace number 503@:120@:11.21725@:0@:147.22054@:147.22054@:0@:0@:brace50
3@} [120]
@{char@:brace number 504@:121@:11.25241@:0@:147.7814@:147.7814@:0@:0@:brace504@
} [121]
@{char@:brace number 505@:122@:11.28757@:0@:148.34402@:148.34402@:0@:0@:brace50
5@} [122]
@{char@:brace number 506@:123@:11.323@:0@:148.9084@:148.9084@:0@:0@:brace506@}
[123]
@{char@:brace number 507@:124@:11.35843@:0@:149.47455@:149.47455@:0@:0@:brace50
7@} [124]
@{char@:brace number 508@:125@:11.39386@:0@:150.04247@:150.04247@:0@:0@:brace50
8@} [125]
@{char@:brace number 509@:126@:11.42957@:0@:150.61217@:150.61217@:0@:0@:brace50
9@} [126]
@{char@:brace number 510@:127@:11.46555@:0@:151.18364@:151.18364@:0@:0@:brace51
0@} [127]
@{char@:brace number 511@:128@:11.50125@:0@:151.75693@:151.75693@:0@:0@:brace51
1@} [128]
@{tnof@})
(feta-braces-i.mf (feta-braces.mf )
(some charht values had to be adjusted by as much as 0.99455pt)
(some chardp values had to be adjusted by as much as 0.99455pt)
Font metrics written on feta-braces-h.tfm.
Output written on feta-braces-h.600gf (64 characters, 289764 bytes).
Transcript written on feta-braces-h.log.
 (feta-autometric.mfrm -f feta-braces-g.*gf  feta-braces-g.*pk

******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta-braces-i@:180@:fetaBraces@}
@{char@:brace number 512@:65@:11.53723@:0@:152.33199@:152.33199@:0@:0@:brace512
@} [65]mv feta-braces-h.log feta-braces-h.tfm ./out

@{char@:brace number 513@:66@:11.57349@:0@:152.90884@:152.90884@:0@:0@:brace513
@} [66]
@{char@:brace number 514@:67@:11.60974@:0@:153.48752@:153.48752@:0@:0@:brace514
@} [67]
@{char@:brace number 515@:68@:11.646@:0@:154.06801@:154.06801@:0@:0@:brace515@}
[68]
@{char@:brace number 516@:69@:11.68253@:0@:154.65031@:154.65031@:0@:0@:brace516
@} [69]
@{char@:brace number 517@:70@:11.71906@:0@:155.23444@:155.23444@:0@:0@:brace517
@} [70]
@{char@:brace number 518@:71@:11.75558@:0@:155.82039@:155.82039@:0@:0@:brace518
@} [71]
@{char@:brace number 519@:72@:11.79239@:0@:156.40817@:156.40817@:0@:0@:brace519
@} [72]
@{char@:brace number 520@:73@:11.82947@:0@:156.99779@:156.99779@:0@:0@:brace520
@} [73]
@{char@:brace number 521@:74@:11.86655@:0@:157.58926@:157.58926@:0@:0@:brace521
@} [74]
@{char@:brace number 522@:75@:11.90363@:0@:158.1826@:158.1826@:0@:0@:brace522@}
[75]
@{char@:brace number 523@:76@:11.94098@:0@:158.77779@:158.77779@:0@:0@:brace523
@} [76]
@{char@:brace number 524@:77@:11.97833@:0@:159.37483@:159.37483@:0@:0@:brace524
@} [77]
@{char@:brace number 525@:78@:12.01569@:0@:159.97374@:159.97374@:0@:0@:brace525
@} [78]
@{char@:brace number 526@:79@:12.05331@:0@:160.57452@:160.57452@:0@:0@:brace526
@} [79]
@{char@:brace number 527@:80@:12.09122@:0@:161.1772@:161.1772@:0@:0@:brace527@}
[80]
@{char@:brace number 528@:81@:12.12885@:0@:161.78175@:161.78175@:0@:0@:brace528
@} [81]
@{char@:brace number 529@:82@:12.16702@:0@:162.3882@:162.3882@:0@:0@:brace529@}
[82]
@{char@:brace number 530@:83@:12.20493@:0@:162.99655@:162.99655@:0@:0@:brace530
@} [83]
@{char@:brace number 531@:84@:12.2431@:0@:163.6068@:163.6068@:0@:0@:brace531@}
[84]
@{char@:brace number 532@:85@:12.28156@:0@:164.21895@:164.21895@:0@:0@:brace532
@} [85]
@{char@:brace number 533@:86@:12.32@:0@:164.83302@:164.83302@:0@:0@:brace533@}
[86]
@{char@:brace number 534@:87@:12.35846@:0@:165.44902@:165.44902@:0@:0@:brace534
@} [87]
@{char@:brace number 535@:88@:12.39719@:0@:166.06694@:166.06694@:0@:0@:brace535
@} [88]
@{char@:brace number 536@:89@:12.43591@:0@:166.6868@:166.6868@:0@:0@:brace536@}
[89rm -f feta-braces-h.*gf  feta-braces-h.*pk
]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
( echo ./out/feta-alphabet13.tfm:  > out/feta-alphabet13.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-alphabet13.mf;" 

@{char@:brace number 537@:90@:12.47491@:0@:167.3086@:167.3086@:0@:0@:brace537@}
[90]
@{char@:brace number 538@:91@:12.51392@:0@:167.93234@:167.93234@:0@:0@:brace538
@} [91]
@{char@:brace number 539@:92@:12.55319@:0@:168.55804@:168.55804@:0@:0@:brace539
@} [92]
@{char@:brace number 540@:93@:12.59247@:0@:169.1857@:169.1857@:0@:0@:brace540@}
[93]
@{char@:brace number 541@:94@:12.63202@:0@:169.81532@:169.81532@:0@:0@:brace541
@} [94]
@{char@:brace number 542@:95@:12.67157@:0@:170.44693@:170.44693@:0@:0@:brace542
@} [95]
(feta-alphabet11.mf (feta-alphabet.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:brace number 543@:96@:12.71112@:0@:171.0805@:171.0805@:0@:0@:brace543@}
[96 (feta-macros.mf])
@{char@:brace number 544@:97@:12.75095@:0@:171.71606@:171.71606@:0@:0@:brace544
@} [97] (feta-params.mf
@{char@:brace number 545@:98@:12.79077@:0@:172.3536@:172.3536@:0@:0@:brace545@}
[98])
@{font@:GNU@:LilyPond@:feta-alphabet@:11.22@:fetaNumber@}
(feta-numbers.mf
@{char@:brace number 546@:99@:12.83087@:0@:172.99315@:172.99315@:0@:0@:brace546
@} [99]
@{char@:brace number 547@:100@:12.87097@:0@:173.63469@:173.63469@:0@:0@:brace54
7@} [100]
@{char@:Plus@:43@:0@:2.80501@:-1.4025@:4.2075@:2.80501@:0@:plus@} [43]
@{char@:brace number 548@:101@:12.91135@:0@:174.27824@:174.27824@:0@:0@:brace54
8@} [101]
@{char@:Numeral comma@:44@:0@:1.14186@:1.7128@:1.14186@:1.14186@:0@:comma@}
[44]
@{char@:Numeral dash@:45@:0@:1.87@:0@:5.61@:1.87@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:1.14186@:0@:1.14186@:1.14186@:0@:period@} [46]
@{char@:brace number 549@:102@:12.95172@:0@:174.92381@:174.92381@:0@:0@:brace54
9@} [102]
w:35
h:47
@{char@:Numeral 0@:48@:0@:4.26447@:0@:5.61@:4.26447@:0@:zero@} [48]
@{char@:brace number 550@:103@:12.99237@:0@:175.5714@:175.5714@:0@:0@:brace550@
} [103
w:33
h:47
@{char@:Numeral 1@:49@:0@:3.97443@:0@:5.61@:3.97443@:0@:one@} [49]]
@{char@:brace number 551@:104@:13.03302@:0@:176.22101@:176.22101@:0@:0@:brace55
1@} [104]
w:35
h:47
@{char@:Numeral 2@:50@:0@:4.26447@:0@:5.61@:4.26447@:0@:two@} [50]
@{char@:brace number 552@:105@:13.07367@:0@:176.87267@:176.87267@:0@:0@:brace55
2@} [105]
w:32
h:47
@{char@:Numeral 3@:51@:0@:3.8768@:0@:5.61@:3.8768@:0@:three@} [51]
@{char@:brace number 553@:106@:13.1146@:0@:177.52635@:177.52635@:0@:0@:brace553
@} [106]
w:39
h:47
@{char@:Numeral 4@:52@:0@:4.65216@:0@:5.61@:4.65216@:0@:four@} [52]
@{char@:brace number 554@:107@:13.15579@:0@:178.18208@:178.18208@:0@:0@:brace55
4@} [107]
w:33
h:47
@{char@:Numeral 5@:53@:0@:3.92525@:0@:5.61@:3.92525@:0@:five@} [53]
@{char@:brace number 555@:108@:13.19699@:0@:178.83987@:178.83987@:0@:0@:brace55
5@} [108]
w:33
h:47
@{char@:Numeral 6@:54@:0@:3.95428@:0@:5.61@:3.95428@:0@:six@} [54]
@{char@:brace number 556@:109@:13.23819@:0@:179.49973@:179.49973@:0@:0@:brace55
6@} [109]
@{char@:brace number 557@:110@:13.27966@:0@:180.16164@:180.16164@:0@:0@:brace55
7@} [110
w:32
h:47
@{char@:Numeral 7@:55@:0@:3.86145@:0@:5.61@:3.86145@:0@:seven@} [55]]
w:35
h:47
@{char@:Numeral 8@:56@:0@:4.26447@:0@:5.61@:4.26447@:0@:eight@} [56]
@{char@:brace number 558@:111@:13.32114@:0@:180.82562@:180.82562@:0@:0@:brace55
8@} [111]
w:33
h:47
@{char@:Numeral 9@:57@:0@:3.95428@:0@:5.61@:3.95428@:0@:nine@} [57])
(feta-dynamics.mf
@{char@:Space@:33@:0@:2.15987@:0@:3.2725@:2.15987@:0@:space@} [33]
@{char@:brace number 559@:112@:13.36288@:0@:181.49167@:181.49167@:0@:0@:brace55
9@} [112]
@{char@:dynamic z@:122@:0@:3.20705@:0@:2.94524@:3.20705@:0@:z@} [122]
@{char@:brace number 560@:113@:13.4049@:0@:182.15982@:182.15982@:0@:0@:brace560
@} [113
@{char@:dynamic f@:102@:0@:3.59978@:1.63626@:5.62872@:3.59978@:0@:f@} [102]]
@{char@:dynamic s@:115@:0@:2.31802@:0@:3.2725@:2.31802@:0@:s@} [115
@{char@:brace number 561@:114@:13.44666@:0@:182.83006@:182.83006@:0@:0@:brace56
1@} [114]]
@{char@:brace number 562@:115@:13.48895@:0@:183.5024@:183.5024@:0@:0@:brace562@
} [115]
@{char@:dynamic p@:112@:0@:4.09064@:1.63626@:3.2725@:4.09064@:0@:p@} [112]
@{char@:brace number 563@:116@:13.53098@:0@:184.17683@:184.17683@:0@:0@:brace56
3@} [116]
@{char@:brace number 564@:117@:13.57355@:0@:184.8534@:184.8534@:0@:0@:brace564@
} [117
@{char@:dynamic m@:109@:0@:4.90877@:0@:3.2725@:4.90877@:0@:m@} [109]]
@{char@:dynamic r@:114@:0@:2.45438@:0@:3.2725@:2.45438@:0@:r@} [114])
@{tnof@})
@{char@:brace number 565@:118@:13.61584@:0@:185.53207@:185.53207@:0@:0@:brace56
5@} [118]
@{char@:brace number 566@:119@:13.65842@:0@:186.21286@:186.21286@:0@:0@:brace56
6@} [119] )
Font metrics written on feta-alphabet11.tfm.
Output written on feta-alphabet11.600gf (21 characters, 2852 bytes).
Transcript written on feta-alphabet11.log.

@{char@:brace number 567@:120@:13.70126@:0@:186.89578@:186.89578@:0@:0@:brace56
7@} [120]
@{char@:brace number 568@:121@:13.74411@:0@:187.58086@:187.58086@:0@:0@:brace56
8@} [121]
@{char@:brace number 569@:122@:13.78723@:0@:188.26805@:188.26805@:0@:0@:brace56
9@} [122]
@{char@:brace number 570@:123@:13.83035@:0@:188.95741@:188.95741@:0@:0@:brace57
0@} [123]
@{char@:brace number 571@:124@:13.87375@:0@:189.64894@:189.64894@:0@:0@:brace57
1@} [124]
@{char@:brace number 572@:125@:13.91714@:0@:190.34262@:190.34262@:0@:0@:brace57
2@} [125]
@{char@:brace number 573@:126@:13.96054@:0@:191.03848@:191.03848@:0@:0@:brace57
3@} [126This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
]
@{char@:brace number 574@:127@:14.00449@:0@:191.73651@:191.73651@:0@:0@:brace57
4@} [127]
@{char@:brace number 575@:128@:14.04816@:0@:192.43674@:192.43674@:0@:0@:brace57
5@} [128]
@{tnof@}) )
(some charht values had to be adjusted by as much as 1.2148pt)
(some chardp values had to be adjusted by as much as 1.2148pt)
Font metrics written on feta-braces-i.tfm.
Output written on feta-braces-i.600gf (64 characters, 368400 bytes).
Transcript written on feta-braces-i.log.

(feta-alphabet13.mf (feta-alphabet.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:12.6@:fetaNumber@}
(feta-numbers.mf
@{char@:Plus@:43@:0@:3.15001@:-1.575@:4.725@:3.15001@:0@:plus@} [43]mv feta-braces-i.log feta-braces-i.tfm ./out

@{char@:Numeral comma@:44@:0@:1.33806@:2.0071@:1.33806@:1.33806@:0@:comma@}
[44]
@{char@:Numeral dash@:45@:0@:2.1@:0@:6.3@:2.1@:0@:hyphen@} [45]mv feta-alphabet11.log feta-alphabet11.tfm ./out

@{char@:Numeral dot@:46@:0@:1.33806@:0@:1.33806@:1.33806@:0@:period@} [46]
w:40
h:52
@{char@:Numeral 0@:48@:0@:4.76239@:0@:6.3@:4.76239@:0@:zero@} [48]( echo ./out/feta-alphabet14.tfm:  > out/feta-alphabet14.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-alphabet14.mf;" 

w:36
h:52
@{char@:Numeral 1@:49@:0@:4.39108@:0@:6.3@:4.39108@:0@:one@} [49]
w:40
h:52
@{char@:Numeral 2@:50@:0@:4.76239@:0@:6.3@:4.76239@:0@:two@} [50]
w:36
h:52
@{char@:Numeral 3@:51@:0@:4.32945@:0@:6.3@:4.32945@:0@:three@} [51]
w:43
h:52
@{char@:Numeral 4@:52@:0@:5.19536@:0@:6.3@:5.19536@:0@:four@} [52]
w:36
h:52
@{char@:Numeral 5@:53@:0@:4.38358@:0@:6.3@:4.38358@:0@:five@} [53]
w:37
h:52
@{char@:Numeral 6@:54@:0@:4.416@:0@:6.3@:4.416@:0@:six@} [54]
w:36
h:52
@{char@:Numeral 7@:55@:0@:4.32378@:0@:6.3@:4.32378@:0@:seven@} [55]
w:40
h:52
@{char@:Numeral 8@:56@:0@:4.76239@:0@:6.3@:4.76239@:0@:eight@} [56]
w:37
h:52
@{char@:Numeral 9@:57@:0@:4.416@:0@:6.3@:4.416@:0@:nine@} [57])
(feta-dynamics.mf
@{char@:Space@:33@:0@:2.42552@:0@:3.67502@:2.42552@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:3.6015@:0@:3.3075@:3.6015@:0@:z@} [122]
@{char@:dynamic f@:102@:0@:4.04254@:1.83751@:6.32103@:4.04254@:0@:f@} [102]
@{char@:dynamic s@:115@:0@:2.60313@:0@:3.67502@:2.60313@:0@:s@} [115]
@{char@:dynamic p@:112@:0@:4.59378@:1.83751@:3.67502@:4.59378@:0@:p@} [112]
@{char@:dynamic m@:109@:0@:5.51253@:0@:3.67502@:5.51253@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:2.75627@:0@:3.67502@:2.75627@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet13.tfm.
Output written on feta-alphabet13.600gf (21 characters, 3124 bytes).
Transcript written on feta-alphabet13.log.
mv feta-alphabet13.log feta-alphabet13.tfm ./out
rm -f feta-alphabet11.*gf  feta-alphabet11.*pk
rm -f feta-braces-i.*gf  feta-braces-i.*pk
rm -f feta-alphabet13.*gf  feta-alphabet13.*pk
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta-alphabet14.mf( echo ./out/feta-alphabet16.tfm:  > out/feta-alphabet16.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-alphabet16.mf;" 
 (feta-alphabet.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:14.14@:fetaNumber@}
(feta-numbers.mf
@{char@:Plus@:43@:0@:3.535@:-1.7675@:5.3025@:3.535@:0@:plus@} [43]
@{char@:Numeral comma@:44@:0@:1.55054@:2.3258@:1.55054@:1.55054@:0@:comma@}
[44]
@{char@:Numeral dash@:45@:0@:2.35667@:0@:7.07@:2.35667@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:1.55054@:0@:1.55054@:1.55054@:0@:period@} [46]
w:44
h:59
@{char@:Numeral 0@:48@:0@:5.31125@:0@:7.07@:5.31125@:0@:zero@} [48]
w:40
h:59
@{char@:Numeral 1@:49@:0@:4.83752@:0@:7.07@:4.83752@:0@:one@} [49]
w:44
h:59
@{char@:Numeral 2@:50@:0@:5.31125@:0@:7.07@:5.31125@:0@:two@} [50]
w:40
h:59
@{char@:Numeral 3@:51@:0@:4.8284@:0@:7.07@:4.8284@:0@:three@} [51]
w:48
h:59
@{char@:Numeral 4@:52@:0@:5.7941@:0@:7.07@:5.7941@:0@:four@} [52]
w:41
h:59
@{char@:Numeral 5@:53@:0@:4.88878@:0@:7.07@:4.88878@:0@:five@} [53]
w:41
h:59
@{char@:Numeral 6@:54@:0@:4.92493@:0@:7.07@:4.92493@:0@:six@} [54]
w:40
h:59
@{char@:Numeral 7@:55@:0@:4.83621@:0@:7.07@:4.83621@:0@:seven@} [55]
w:44
h:59
@{char@:Numeral 8@:56@:0@:5.31125@:0@:7.07@:5.31125@:0@:eight@} [56]
w:41
h:59
@{char@:Numeral 9@:57@:0@:4.92493@:0@:7.07@:4.92493@:0@:nine@} [57])
(feta-dynamics.mf
@{char@:Space@:33@:0@:2.72197@:0@:4.12418@:2.72197@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:4.04167@:0@:3.71173@:4.04167@:0@:z@} [122]
@{char@:dynamic f@:102@:0@:4.53662@:2.06209@:7.09358@:4.53662@:0@:f@} [102]
@{char@:dynamic s@:115@:0@:2.9213@:0@:4.12418@:2.9213@:0@:s@} [115]
@{char@:dynamic p@:112@:0@:5.15523@:2.06209@:4.12418@:5.15523@:0@:p@} [112]
@{char@:dynamic m@:109@:0@:6.18626@:0@:4.12418@:6.18626@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:3.09314@:0@:4.12418@:3.09314@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet14.tfm.
Output written on feta-alphabet14.600gf (21 characters, 3480 bytes).
Transcript written on feta-alphabet14.log.
mv feta-alphabet14.log feta-alphabet14.tfm ./out
( echo ./out/feta-alphabet18.tfm:  > out/feta-alphabet18.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-alphabet18.mf;" 
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
rm -f feta-alphabet14.*gf  feta-alphabet14.*pk

(feta-alphabet16.mf (feta-alphabet.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:15.87@:fetaNumber@}
(feta-numbers.mf
@{char@:Plus@:43@:0@:3.9675@:-1.98375@:5.95125@:3.9675@:0@:plus@} [43]
@{char@:Numeral comma@:44@:0@:1.78111@:2.67168@:1.78111@:1.78111@:0@:comma@}
[44]
@{char@:Numeral dash@:45@:0@:2.645@:0@:7.935@:2.645@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:1.78111@:0@:1.78111@:1.78111@:0@:period@} [46]
w:49
h:66
@{char@:Numeral 0@:48@:0@:5.91907@:0@:7.935@:5.91907@:0@:zero@} [48]
w:44
h:66
@{char@:Numeral 1@:49@:0@:5.31578@:0@:7.935@:5.31578@:0@:one@} [49]
w:49
h:66
@{char@:Numeral 2@:50@:0@:5.91907@:0@:7.935@:5.91907@:0@:two@} [50]
w:45
h:66
@{char@:Numeral 3@:51@:0@:5.38097@:0@:7.935@:5.38097@:0@:three@} [51]
w:54
h:66
@{char@:Numeral 4@:52@:0@:6.45715@:0@:7.935@:6.45715@:0@:four@} [52]
w:45
h:66
@{char@:Numeral 5@:53@:0@:5.44823@:0@:7.935@:5.44823@:0@:five@} [53]
w:46
h:66
@{char@:Numeral 6@:54@:0@:5.48853@:0@:7.935@:5.48853@:0@:six@} [54]( echo ./out/feta-alphabet20.tfm:  > out/feta-alphabet20.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-alphabet20.mf;" 

w:45
h:66
@{char@:Numeral 7@:55@:0@:5.40718@:0@:7.935@:5.40718@:0@:seven@} [55]
w:49
h:66
@{char@:Numeral 8@:56@:0@:5.91907@:0@:7.935@:5.91907@:0@:eight@} [56]
w:46
h:66
@{char@:Numeral 9@:57@:0@:5.48853@:0@:7.935@:5.48853@:0@:nine@} [57])
(feta-dynamics.mf
@{char@:Space@:33@:0@:3.055@:0@:4.62875@:3.055@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:4.53616@:0@:4.16585@:4.53616@:0@:z@} [122]
@{char@:dynamic f@:102@:0@:5.09166@:2.31438@:7.96146@:5.09166@:0@:f@} [102]
@{char@:dynamic s@:115@:0@:3.2787@:0@:4.62875@:3.2787@:0@:s@} [115]
@{char@:dynamic p@:112@:0@:5.78595@:2.31438@:4.62875@:5.78595@:0@:p@} [112]
@{char@:dynamic m@:109@:0@:6.94313@:0@:4.62875@:6.94313@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:3.47157@:0@:4.62875@:3.47157@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet16.tfm.
Output written on feta-alphabet16.600gf (21 characters, 3864 bytes).
Transcript written on feta-alphabet16.log.
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
mv feta-alphabet16.log feta-alphabet16.tfm ./out

(feta-alphabet18.mf (feta-alphabet.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:17.82@:fetaNumber@}
(feta-numbers.mf
@{char@:Plus@:43@:0@:4.455@:-2.22751@:6.68251@:4.455@:0@:plus@} [43]
@{char@:Numeral comma@:44@:0@:2.0307@:3.04605@:2.0307@:2.0307@:0@:comma@}
[44]
@{char@:Numeral dash@:45@:0@:2.97@:0@:8.91@:2.97@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:2.0307@:0@:2.0307@:2.0307@:0@:period@} [46]
w:55
h:74
@{char@:Numeral 0@:48@:0@:6.59332@:0@:8.91@:6.59332@:0@:zero@} [48]
w:48
h:74
@{char@:Numeral 1@:49@:0@:5.8253@:0@:8.91@:5.8253@:0@:one@} [49]
w:55
h:74
@{char@:Numeral 2@:50@:0@:6.59332@:0@:8.91@:6.59332@:0@:two@} [50]
w:50
h:74
@{char@:Numeral 3@:51@:0@:5.99393@:0@:8.91@:5.99393@:0@:three@} [51]
w:60
h:74
@{char@:Numeral 4@:52@:0@:7.19272@:0@:8.91@:7.19272@:0@:four@} [52]
w:50
h:74
@{char@:Numeral 5@:53@:0@:6.06885@:0@:8.91@:6.06885@:0@:five@} [53]
w:51
h:74
@{char@:Numeral 6@:54@:0@:6.11374@:0@:8.91@:6.11374@:0@:six@} [54]
w:50
h:74
@{char@:Numeral 7@:55@:0@:6.04489@:0@:8.91@:6.04489@:0@:seven@} [55]
w:55
h:74
@{char@:Numeral 8@:56@:0@:6.59332@:0@:8.91@:6.59332@:0@:eight@} [56]
w:51
h:74
@{char@:Numeral 9@:57@:0@:6.11374@:0@:8.91@:6.11374@:0@:nine@} [57])
(feta-dynamics.mf
@{char@:Space@:33@:0@:3.43037@:0@:5.19751@:3.43037@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:5.09354@:0@:4.67773@:5.09354@:0@:z@} [122]
@{char@:dynamic f@:102@:0@:5.71729@:2.59875@:8.93973@:5.71729@:0@:f@} [102]
@{char@:dynamic s@:115@:0@:3.68156@:0@:5.19751@:3.68156@:0@:s@} [115]
@{char@:dynamic p@:112@:0@:6.49689@:2.59875@:5.19751@:6.49689@:0@:p@} [112]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:dynamic m@:109@:0@:7.79626@:0@:5.19751@:7.79626@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:3.89813@:0@:5.19751@:3.89813@:0@:r@} [114])
@{tnof@})rm -f feta-alphabet16.*gf  feta-alphabet16.*pk
( echo ./out/feta-alphabet23.tfm:  > out/feta-alphabet23.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-alphabet23.mf;" 
 )
Font metrics written on feta-alphabet18.tfm.
Output written on feta-alphabet18.600gf (21 characters, 4260 bytes).
Transcript written on feta-alphabet18.log.

(feta-alphabet20.mf (feta-alphabet.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:20@:fetaNumber@}
(feta-numbers.mf
@{char@:Plus@:43@:0@:5@:-2.5@:7.5@:5@:0@:plus@} [43]
@{char@:Numeral comma@:44@:0@:2.29677@:3.44516@:2.29677@:2.29677@:0@:comma@}
[44]
@{char@:Numeral dash@:45@:0@:3.33333@:0@:10@:3.33333@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:2.29677@:0@:2.29677@:2.29677@:0@:period@} [46]
w:61
h:83
@{char@:Numeral 0@:48@:0@:7.33333@:0@:10@:7.33333@:0@:zero@} [48]
w:53
h:83
@{char@:Numeral 1@:49@:0@:6.35803@:0@:10@:6.35803@:0@:one@} [49]
w:61
h:83
@{char@:Numeral 2@:50@:0@:7.33333@:0@:10@:7.33333@:0@:two@} [50]
w:55
h:83
@{char@:Numeral 3@:51@:0@:6.66667@:0@:10@:6.66667@:0@:three@} [51]
w:66
h:83
@{char@:Numeral 4@:52@:0@:8@:0@:10@:8@:0@:four@} [52]
w:56
h:83
@{char@:Numeral 5@:53@:0@:6.75@:0@:10@:6.75@:0@:five@} [53]
w:56
h:83
@{char@:Numeral 6@:54@:0@:6.79993@:0@:10@:6.79993@:0@:six@} [54]mv feta-alphabet18.log feta-alphabet18.tfm ./out

w:56
h:83
@{char@:Numeral 7@:55@:0@:6.75005@:0@:10@:6.75005@:0@:seven@} [55]
w:61
h:83
@{char@:Numeral 8@:56@:0@:7.33333@:0@:10@:7.33333@:0@:eight@} [56]
w:56
h:83
@{char@:Numeral 9@:57@:0@:6.79993@:0@:10@:6.79993@:0@:nine@} [57])
(feta-dynamics.mf
@{char@:Space@:33@:0@:3.85002@:0@:5.83334@:3.85002@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:5.71664@:0@:5.24997@:5.71664@:0@:z@} [122]
@{char@:dynamic f@:102@:0@:6.41672@:2.91667@:10.03336@:6.41672@:0@:f@} [102]
@{char@:dynamic s@:115@:0@:4.13196@:0@:5.83334@:4.13196@:0@:s@} [115]
@{char@:dynamic p@:112@:0@:7.29169@:2.91667@:5.83334@:7.29169@:0@:p@} [112]
@{char@:dynamic m@:109@:0@:8.75002@:0@:5.83334@:8.75002@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:4.37502@:0@:5.83334@:4.37502@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet20.tfm.
Output written on feta-alphabet20.600gf (21 characters, 4744 bytes).
Transcript written on feta-alphabet20.log.
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta-alphabet23.mf (feta-alphabet.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:22.45@:fetaNumber@}
(feta-numbers.mf
@{char@:Plus@:43@:0@:5.6125@:-2.80626@:8.41876@:5.6125@:0@:plus@} [43]
@{char@:Numeral comma@:44@:0@:2.57953@:3.8693@:2.57953@:2.57953@:0@:comma@}
[44]
@{char@:Numeral dash@:45@:0@:3.74167@:0@:11.225@:3.74167@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:2.57953@:0@:2.57953@:2.57953@:0@:period@} [46]
w:68
h:93
@{char@:Numeral 0@:48@:0@:8.14764@:0@:11.225@:8.14764@:0@:zero@} [48]
w:57
h:93
@{char@:Numeral 1@:49@:0@:6.91537@:0@:11.225@:6.91537@:0@:one@} [49]
w:68
h:93
@{char@:Numeral 2@:50@:0@:8.14764@:0@:11.225@:8.14764@:0@:two@} [50]
w:61
h:93
@{char@:Numeral 3@:51@:0@:7.40695@:0@:11.225@:7.40695@:0@:three@} [51]
w:74
h:93
@{char@:Numeral 4@:52@:0@:8.88834@:0@:11.225@:8.88834@:0@:four@} [52]
w:62
h:93
@{char@:Numeral 5@:53@:0@:7.49953@:0@:11.225@:7.49953@:0@:five@} [53]
w:63
h:93
@{char@:Numeral 6@:54@:0@:7.55501@:0@:11.225@:7.55501@:0@:six@} [54]
w:62
h:93
@{char@:Numeral 7@:55@:0@:7.52016@:0@:11.225@:7.52016@:0@:seven@} [55]
w:68
h:93
@{char@:Numeral 8@:56@:0@:8.14764@:0@:11.225@:8.14764@:0@:eight@} [56]
w:63
h:93
@{char@:Numeral 9@:57@:0@:7.55501@:0@:11.225@:7.55501@:0@:nine@} [57])
(feta-dynamics.mf
@{char@:Space@:33@:0@:4.32166@:0@:6.54793@:4.32166@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:6.41695@:0@:5.8931@:6.41695@:0@:z@} [122]
@{char@:dynamic f@:102@:0@:7.20276@:3.27397@:11.26245@:7.20276@:0@:f@} [102]
@{char@:dynamic s@:115@:0@:4.63812@:0@:6.54793@:4.63812@:0@:s@} [115]
@{char@:dynamic p@:112@:0@:8.1849@:3.27397@:6.54793@:8.1849@:0@:p@} [112]
@{char@:dynamic m@:109@:0@:9.8219@:0@:6.54793@:9.8219@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:4.91095@:0@:6.54793@:4.91095@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet23.tfm.
Output written on feta-alphabet23.600gf (21 characters, 5280 bytes).
Transcript written on feta-alphabet23.log.
mv feta-alphabet23.log feta-alphabet23.tfm ./out
rm -f feta-alphabet18.*gf  feta-alphabet18.*pk
mv feta-alphabet20.log feta-alphabet20.tfm ./out
( echo ./out/feta-alphabet26.tfm:  > out/feta-alphabet26.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-alphabet26.mf;" 
rm -f feta-alphabet20.*gf  feta-alphabet20.*pk
rm -f feta-alphabet23.*gf  feta-alphabet23.*pk
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta-alphabet26.mf (feta-alphabet.mf( echo ./out/feta-noteheads11.tfm:  > out/feta-noteheads11.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-noteheads11.mf;" 
 (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:25.2@:fetaNumber@}
(feta-numbers.mf
@{char@:Plus@:43@:0@:6.3@:-3.15001@:9.45001@:6.3@:0@:plus@} [43]
@{char@:Numeral comma@:44@:0@:2.87639@:4.31459@:2.87639@:2.87639@:0@:comma@}
[44]
@{char@:Numeral dash@:45@:0@:4.2@:0@:12.6@:4.2@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:2.87639@:0@:2.87639@:2.87639@:0@:period@} [46]
w:75
h:105
@{char@:Numeral 0@:48@:0@:9.0398@:0@:12.6@:9.0398@:0@:zero@} [48]
w:62
h:105
@{char@:Numeral 1@:49@:0@:7.48279@:0@:12.6@:7.48279@:0@:one@} [49]
w:75
h:105
@{char@:Numeral 2@:50@:0@:9.0398@:0@:12.6@:9.0398@:0@:two@} [50]
w:68
h:105
@{char@:Numeral 3@:51@:0@:8.218@:0@:12.6@:8.218@:0@:three@} [51]
w:82
h:105
@{char@:Numeral 4@:52@:0@:9.86159@:0@:12.6@:9.86159@:0@:four@} [52]
w:69
h:105
@{char@:Numeral 5@:53@:0@:8.32072@:0@:12.6@:8.32072@:0@:five@} [53]
w:70
h:105
@{char@:Numeral 6@:54@:0@:8.38228@:0@:12.6@:8.38228@:0@:six@} [54]
w:70
h:105
@{char@:Numeral 7@:55@:0@:8.37132@:0@:12.6@:8.37132@:0@:seven@} [55]
w:75
h:105
@{char@:Numeral 8@:56@:0@:9.0398@:0@:12.6@:9.0398@:0@:eight@} [56]
w:70
h:105
@{char@:Numeral 9@:57@:0@:8.38228@:0@:12.6@:8.38228@:0@:nine@} [57])
(feta-dynamics.mf
@{char@:Space@:33@:0@:4.85104@:0@:7.35002@:4.85104@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:7.20299@:0@:6.61497@:7.20299@:0@:z@} [122]
@{char@:dynamic f@:102@:0@:8.08507@:3.67502@:12.64204@:8.08507@:0@:f@} [102]
@{char@:dynamic s@:115@:0@:5.20627@:0@:7.35002@:5.20627@:0@:s@} [115]
@{char@:dynamic p@:112@:0@:9.18753@:3.67502@:7.35002@:9.18753@:0@:p@} [112]
@{char@:dynamic m@:109@:0@:11.02504@:0@:7.35002@:11.02504@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:5.51251@:0@:7.35002@:5.51251@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet26.tfm.
Output written on feta-alphabet26.600gf (21 characters, 5924 bytes).
Transcript written on feta-alphabet26.log.
( echo ./out/feta-noteheads13.tfm:  > out/feta-noteheads13.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-noteheads13.mf;" 
mv feta-alphabet26.log feta-alphabet26.tfm ./out
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta-noteheads11.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-noteheads-generic.mf( echo ./out/feta-noteheads14.tfm:  > out/feta-noteheads14.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-noteheads14.mf;" 
 (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:11.22@:fetaMusic@}
(feta-noteheads.mf
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.84943@:6.66296@:2.38428@:9.94987@:6.66296@:0@:uM2
@} [33]
@{char@:Longa notehead@:34@:0.84943@:6.66296@:9.94987@:2.38428@:6.66296@:0@:dM2
@} [34]
@{char@:Brevis notehead@:35@:0.84943@:6.66296@:2.38428@:2.38428@:6.66296@:0@:sM
1@} [35]
@{char@:Double-lined brevis notehead@:36@:1.94371@:7.75725@:2.38428@:2.38428@:7
.75725@:0@:sM1double@} [36]
@{char@:Whole notehead@:37@:0@:5.26015@:1.61487@:1.61487@:5.26015@:0@:s0@}
[37]
@{char@:Half notehead@:38@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s1@}
[38]
@{char@:Quarter notehead@:39@:0@:3.66487@:1.61487@:1.61487@:3.66487@:0.38857@:s
2@} [39]
@{char@:Whole diamondhead@:40@:0@:5.81354@:1.61487@:1.61487@:5.81354@:0@:s0diam
ond@} [40]
@{char@:Half diamondhead@:41@:0@:4.27702@:1.61487@:1.61487@:4.27702@:1.14165@:s
1diamond@} [41]
@{char@:Quarter diamondhead@:42@:0@:4.33075@:1.61487@:1.61487@:4.33075@:1.16342
@:s2diamond@} [42]rm -f feta-alphabet26.*gf  feta-alphabet26.*pk
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Whole trianglehead@:43@:0@:6.97162@:2.62881@:2.20818@:6.97163@:0.42064@
:s0triangle@} [43]
(feta-noteheads13.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-noteheads-generic.mf (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:12.6@:fetaMusic@}
(feta-noteheads.mf
@{char@:Half trianglehead (downstem)@:44@:0@:5.05164@:2.37593@:2.00201@:4.27448
@:2.02332@:d1triangle@} [44]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.87311@:7.32896@:2.67752@:11.25444@:7.32896@:0@:uM
2@} [33]
@{char@:Longa notehead@:34@:0.87311@:7.32896@:11.25444@:2.67752@:7.32896@:0@:dM
2@} [34]
@{char@:Brevis notehead@:35@:0.87311@:7.32896@:2.67752@:2.67752@:7.32896@:0@:sM
1@} [35]
@{char@:Double-lined brevis notehead@:36@:1.99017@:8.44603@:2.67752@:2.67752@:8
.44603@:0@:sM1double@} [36]
@{char@:Whole notehead@:37@:0@:5.99461@:1.79329@:1.79329@:5.99461@:0@:s0@}
[37]
@{char@:Half notehead@:38@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s1@}
[38]
@{char@:Quarter notehead@:39@:0@:4.12764@:1.79329@:1.79329@:4.12764@:0.47975@:s
2@} [39]
@{char@:Whole diamondhead@:40@:0@:6.45586@:1.79329@:1.79329@:6.45586@:0@:s0diam
ond@} [40]
@{char@:Half diamondhead@:41@:0@:4.7496@:1.79329@:1.79329@:4.7496@:1.26779@:s1d
iamond@} [41]
@{char@:Quarter diamondhead@:42@:0@:4.80923@:1.79329@:1.79329@:4.80923@:1.29196
@:s2diamond@} [42]
@{char@:Half trianglehead (upstem)@:45@:0@:5.05164@:2.37593@:2.00201@:5.05165@:
0.3739@:u1triangle@} [45]
@{char@:Quarter trianglehead (upstem)@:46@:0@:4.2097@:2.37593@:2.00201@:4.2097@
:0.3739@:u2triangle@} [46]
@{char@:Whole trianglehead@:43@:0@:7.69453@:2.9035@:2.43637@:7.69455@:0.46713@:
s0triangle@} [43]
@{char@:Quarter trianglehead (downstem)@:47@:0@:4.2097@:2.37593@:2.00201@:3.562
07@:2.02332@:d2triangle@} [47]
@{char@:Whole slashhead@:48@:0@:8.54276@:3.01736@:3.01736@:8.54276@:3.01736@:s0
slash@} [48]
@{char@:Half slashhead@:49@:0@:6.66338@:3.01736@:3.01736@:6.66338@:3.01736@:s1s
lash@} [49]
@{char@:Quarter slashhead@:50@:0@:4.89626@:3.01736@:3.01736@:4.89626@:3.01736@:
s2slash@} [50]
@{char@:Half trianglehead (downstem)@:44@:0@:5.57185@:2.62265@:2.20741@:4.70883
@:2.24686@:d1triangle@} [44]
@{char@:Whole Crossed notehead@:51@:0@:5.36372@:1.82722@:1.82722@:5.36372@:0.58
745@:s0cross@} [51]
@{char@:Half Crossed notehead@:52@:0@:4.5143@:1.72104@:1.72104@:4.5143@:0.66194
@:s1cross@} [52]( echo ./out/feta-noteheads16.tfm:  > out/feta-noteheads16.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-noteheads16.mf;" 

@{char@:Crossed notehead@:53@:0@:3.66487@:1.61487@:1.61487@:3.66487@:1.05254@:s
2cross@} [53]
@{char@:X-Circled notehead@:54@:0@:4.35829@:1.92041@:1.92041@:4.35829@:0@:s2xci
rcle@} [54]
@{char@:Whole dohead@:55@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:s0do@
} [55]
@{char@:Half dohead@:56@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@:d1do@}
[56]
@{char@:Half dohead@:57@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:u1do@}
[57]
@{char@:Quarter dohead@:58@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@:d2do
@} [58]
@{char@:Quarter dohead@:59@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:u2d
o@} [59]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Whole thin dohead@:60@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:
s0doThin@} [60]
@{char@:Half thin dohead@:61@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@:d1
doThin@} [61]
@{char@:Half thin dohead@:62@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:u
1doThin@} [62]
@{char@:Quarter thin dohead@:63@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@
:d2doThin@} [63]
@{char@:Half trianglehead (upstem)@:45@:0@:5.57185@:2.62265@:2.20741@:5.57187@:
0.41522@:u1triangle@} [45]
@{char@:Quarter thin dohead@:64@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778
@:u2doThin@} [64]
@{char@:Whole rehead@:65@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:s0re@
} [65]
@{char@:Half up rehead@:66@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:u1r
e@} [66]
@{char@:Half down rehead@:67@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.47606@:
d1re@} [67]
@{char@:Quarter up rehead@:68@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:
u2re@} [68]
@{char@:Quarter down rehead@:69@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.4760
6@:d2re@} [69]
@{char@:Whole thin rehead@:70@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:
s0reThin@} [70]
@{char@:Half up thin rehead@:71@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606
@:u1reThin@} [71]
@{char@:Half down thin rehead@:72@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.47
606@:d1reThin@} [72]
@{char@:Quarter thin rehead@:73@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606
@:u2reThin@} [73]
@{char@:Quarter thin rehead@:74@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.4760
6@:d2reThin@} [74]
@{char@:Whole mihead@:75@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s0mi@}
[75]
@{char@:Half mihead@:76@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s1mi@}
[76]
@{char@:Quarter mihead@:77@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s2mi@}
[77]
@{char@:Quarter trianglehead (upstem)@:46@:0@:4.64322@:2.62265@:2.20741@:4.6432
3@:0.41522@:u2triangle@} [46]
@{char@:Whole mirror mihead@:78@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s0mi
Mirror@} [78]
@{char@:Half  mirror mihead@:79@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s1mi
Mirror@} [79]
@{char@:Quarter mirror mihead@:80@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s2
miMirror@} [80]
@{char@:Whole thin mihead@:81@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s0miTh
in@} [81]
@{char@:Half thin mihead@:82@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s1miThi
n@} [82]
@{char@:Quarter thin mihead@:83@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s2mi
Thin@} [83]
@{char@:Whole fa up head@:84@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u0fa@}
[84]
@{char@:Whole fa down head@:85@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d0fa@
} [85]
@{char@:half fa up head@:86@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u1fa@}
[86]
@{char@:Half fa down head@:87@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d1fa@}
[87]
@{char@:Quarter fa up head@:88@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u2fa@
} [88]
@{char@:Quarter fa down head@:89@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d2f
a@} [89]
@{char@:Quarter trianglehead (downstem)@:47@:0@:4.64322@:2.62265@:2.20741@:3.92
403@:2.24686@:d2triangle@} [47]
@{char@:Whole thin fa up head@:90@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u0
faThin@} [90]
@{char@:Whole slashhead@:48@:0@:9.56975@:3.36829@:3.36829@:9.56975@:3.36829@:s0
slash@} [48]
@{char@:Whole thin fa down head@:91@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:
d0faThin@} [91]
@{char@:Half slashhead@:49@:0@:7.45921@:3.36829@:3.36829@:7.45921@:3.36829@:s1s
lash@} [49]
@{char@:half thin fa up head@:92@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u1f
aThin@} [92]
@{char@:Quarter slashhead@:50@:0@:5.47472@:3.36829@:3.36829@:5.47472@:3.36829@:
s2slash@} [50]
@{char@:Half thin fa down head@:93@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d
1faThin@} [93]
@{char@:Quarter thin fa up head@:94@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:
u2faThin@} [94]
@{char@:Whole Crossed notehead@:51@:0@:5.87386@:2.01157@:2.01157@:5.87386@:0.78
957@:s0cross@} [51]
@{char@:Quarter thin fa down head@:95@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0
@:d2faThin@} [95]
@{char@:Half Crossed notehead@:52@:0@:5.00075@:1.90242@:1.90242@:5.00075@:0.828
19@:s1cross@} [52]
@{char@:Whole solhead@:96@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s0sol@
} [96]
@{char@:Half solhead@:97@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s1sol@}
[97
@{char@:Crossed notehead@:53@:0@:4.12764@:1.79329@:1.79329@:4.12764@:1.26831@:s
2cross@} [53]]
@{char@:Quarter solhead@:98@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s2so
l@} [98]
@{char@:X-Circled notehead@:54@:0@:4.90863@:2.13258@:2.13258@:4.90863@:0@:s2xci
rcle@} [54]
@{char@:Whole lahead@:99@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s0la@}
[99]
@{char@:Half lahead@:100@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s1la@}
[100]
@{char@:Whole dohead@:55@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:s0do
@} [55]
@{char@:Quarter lahead@:101@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s2la@}
[101]
@{char@:Half dohead@:56@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846@:d1do@}
[56
@{char@:Whole thin lahead@:102@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s0laT
hin@} [102]]
@{char@:Half thin lahead@:103@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s1laTh
in@} [103]
@{char@:Half dohead@:57@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:u1do@
} [57]
@{char@:Quarter lahead@:104@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s2laThin
@} [104]
@{char@:Quarter dohead@:58@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846@:d2d
o@} [58]
@{char@:Whole up tihead@:105@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.33324@:s
0ti@} [105]
@{char@:Quarter dohead@:59@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:u2
do@} [59]
@{char@:Half up tihead@:106@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.33324@:u1
ti@} [106]
@{char@:Whole thin dohead@:60@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@
:s0doThin@} [60]
@{char@:Half down tihead@:107@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.33324@
:d1ti@} [107
@{char@:Half thin dohead@:61@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846@:d
1doThin@} [61]]
@{char@:Half thin dohead@:62@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:
u1doThin@} [62]
@{char@:Quarter up tihead@:108@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.33324@
:u2ti@} [108]
@{char@:Quarter thin dohead@:63@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846
@:d2doThin@} [63]
@{char@:Quarter down tihead@:109@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.333
24@:d2ti@} [109]
@{char@:Quarter thin dohead@:64@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.1384
6@:u2doThin@} [64]
@{char@:Whole thin up tihead@:110@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.333
24@:s0tiThin@} [110]
@{char@:Whole rehead@:65@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:s0re@
} [65]
@{char@:Half thin up tihead@:111@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.3332
4@:u1tiThin@} [111]
@{char@:Half up rehead@:66@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:u1r
e@} [66]
@{char@:Half thin down tihead@:112@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.3
3324@:d1tiThin@} [112]
@{char@:Half down rehead@:67@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.54268@:
d1re@} [67]
@{char@:Quarter up rehead@:68@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:
u2re@} [68]
@{char@:Quarter thin up tihead@:113@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.3
3324@:u2tiThin@} [113]
@{char@:Quarter down rehead@:69@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.5426
8@:d2re@} [69]
@{char@:Quarter thin down tihead@:114@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-
0.33324@:d2tiThin@} [114]
@{char@:Whole thin rehead@:70@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:
s0reThin@} [70]
@{char@:Whole up Funk dohead@:115@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
doFunk@} [115]
@{char@:Half up thin rehead@:71@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268
@:u1reThin@} [71]
@{char@:Whole down Funk dohead@:116@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0doFunk@} [116]
@{char@:Half down thin rehead@:72@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.54
268@:d1reThin@} [72]
@{char@:Half up Funk dohead@:117@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1d
oFunk@} [117]
@{char@:Quarter thin rehead@:73@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268
@:u2reThin@} [73]
@{char@:Half down Funk dohead@:118@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1doFunk@} [118]
@{char@:Quarter thin rehead@:74@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.5426
8@:d2reThin@} [74]
@{char@:Quarter up Funk dohead@:119@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2doFunk@} [119]
@{char@:Quarter down Funk dohead@:120@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2doFunk@} [120]
@{char@:Whole mihead@:75@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s0mi@}
[75]
@{char@:Whole up Funk rehead@:121@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
reFunk@} [121]
@{char@:Half mihead@:76@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s1mi@}
[76]
@{char@:Whole down Funk rehead@:122@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0reFunk@} [122]
@{char@:Quarter mihead@:77@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s2mi@}
[77]
@{char@:Half up Funk rehead@:123@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1r
eFunk@} [123]
@{char@:Whole mirror mihead@:78@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s0mi
Mirror@} [78]
@{char@:Half down Funk rehead@:124@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1reFunk@} [124
@{char@:Half  mirror mihead@:79@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s1mi
Mirror@} [79]]
@{char@:Quarter mirror mihead@:80@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s2
miMirror@} [80
@{char@:Quarter up Funk rehead@:125@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2reFunk@} [125]]
@{char@:Quarter down Funk rehead@:126@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2reFunk@} [126]
@{char@:Whole thin mihead@:81@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s0miTh
in@} [81]
@{char@:Whole up Funk mihead@:127@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:u0
miFunk@} [127]
@{char@:Half thin mihead@:82@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s1miThi
n@} [82]
@{char@:Whole down Funk mihead@:128@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:
d0miFunk@} [128]
@{char@:Quarter thin mihead@:83@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s2mi
Thin@} [83]
@{char@:Half up Funk mihead@:129@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:u1m
iFunk@} [129]
@{char@:Whole fa up head@:84@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u0fa@}
[84]
@{char@:Whole fa down head@:85@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d0fa@
} [85]
@{char@:Half down Funk mihead@:130@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:d
1miFunk@} [130]
@{char@:half fa up head@:86@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u1fa@}
[86]
@{char@:Quarter Funk mihead@:131@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s2m
iFunk@} [131]
@{char@:Half fa down head@:87@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d1fa@}
[87]
@{char@:Whole up Funk fahead@:132@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
faFunk@} [132]
@{char@:Quarter fa up head@:88@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u2fa@
} [88]
@{char@:Whole down Funk fahead@:133@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0faFunk@} [133]
@{char@:Quarter fa down head@:89@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d2f
a@} [89]
@{char@:Half up Funk fahead@:134@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1f
aFunk@} [134]
@{char@:Whole thin fa up head@:90@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u0
faThin@} [90]
@{char@:Half down Funk fahead@:135@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1faFunk@} [135]
@{char@:Whole thin fa down head@:91@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:
d0faThin@} [91]
@{char@:Quarter up Funk fahead@:136@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2faFunk@} [136]
@{char@:half thin fa up head@:92@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u1f
aThin@} [92]
@{char@:Quarter down Funk fahead@:137@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2faFunk@} [137]
@{char@:Half thin fa down head@:93@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d
1faThin@} [93]
@{char@:Whole Funk solhead@:138@:0@:2.54254@:1.19016@:1.19016@:2.54254@:0.1888@
:s0solFunk@} [138]
@{char@:Quarter thin fa up head@:94@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:
u2faThin@} [94]
@{char@:Half Funk solhead@:139@:0@:2.54254@:1.19016@:1.19016@:2.54254@:0.1888@:
s1solFunk@} [139]
@{char@:Quarter thin fa down head@:95@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0
@:d2faThin@} [95]
@{char@:Quarter Funk solhead@:140@:0@:2.54254@:1.19016@:1.19016@:2.54254@:0.188
8@:s2solFunk@} [140]
@{char@:Whole solhead@:96@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s0so
l@} [96]
@{char@:Whole Funk lahead@:141@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0laF
unk@} [141]
@{char@:Half Funk lahead@:142@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s1laFu
nk@} [142]
@{char@:Half solhead@:97@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s1sol
@} [97]
@{char@:Quarter Funk lahead@:143@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s2l
aFunk@} [143]
@{char@:Quarter solhead@:98@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s2
sol@} [98]
@{char@:Whole lahead@:99@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s0la@}
[99]
@{char@:Whole up Funk tihead@:144@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
tiFunk@} [144]
@{char@:Half lahead@:100@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s1la@}
[100]
@{char@:Quarter lahead@:101@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s2la@}
[101]
@{char@:Whole down Funk tihead@:145@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0tiFunk@} [145]
@{char@:Whole thin lahead@:102@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s0laT
hin@} [102]
@{char@:Half thin lahead@:103@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s1laTh
in@} [103
@{char@:Half up Funk tihead@:146@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1t
iFunk@} [146]]
@{char@:Quarter lahead@:104@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s2laThin
@} [104]
@{char@:Half down Funk tihead@:147@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1tiFunk@} [147]
@{char@:Whole up tihead@:105@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.37988@:s
0ti@} [105]
@{char@:Quarter up Funk tihead@:148@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2tiFunk@} [148]
@{char@:Half up tihead@:106@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.37988@:u1
ti@} [106]
@{char@:Quarter down Funk tihead@:149@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2tiFunk@} [149]
@{char@:Half down tihead@:107@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.37988@
:d1ti@} [107]
@{char@:Whole Walker dohead@:150@:0@:2.74866@:1.19016@:1.19016@:1.66316@:0.8963
@:s0doWalker@} [150]
@{char@:Quarter up tihead@:108@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.37988@
:u2ti@} [108]
@{char@:Half up Walker dohead@:151@:0@:2.74866@:1.19016@:1.19016@:1.66316@:0.89
63@:u1doWalker@} [151]
@{char@:Quarter down tihead@:109@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.379
88@:d2ti@} [109]
@{char@:Half down Walker dohead@:152@:0@:2.74866@:1.19016@:1.19016@:1.66316@:0.
8963@:d1doWalker@} [152]
@{char@:Whole thin up tihead@:110@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.379
88@:s0tiThin@} [110]
@{char@:Quarter up Walker dohead@:153@:0@:2.74866@:1.19016@:1.19016@:1.66316@:0
.8963@:u2doWalker@} [153]
@{char@:Half thin up tihead@:111@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.3798
8@:u1tiThin@} [111]
@{char@:Quarter down Walker dohead@:154@:0@:2.74866@:1.19016@:1.19016@:1.66316@
:0.8963@:d2doWalker@} [154]
@{char@:Half thin down tihead@:112@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.3
7988@:d1tiThin@} [112]
@{char@:Whole Walker rehead@:155@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0r
eWalker@} [155]
@{char@:Quarter thin up tihead@:113@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.3
7988@:u2tiThin@} [113]
@{char@:Half up Walker rehead@:156@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u
1reWalker@} [156]
@{char@:Quarter thin down tihead@:114@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-
0.37988@:d2tiThin@} [114]
@{char@:Whole up Funk dohead@:115@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
doFunk@} [115]
@{char@:Half down Walker rehead@:157@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@
:d1reWalker@} [157]
@{char@:Whole down Funk dohead@:116@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0doFunk@} [116]
@{char@:Half up Funk dohead@:117@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1d
oFunk@} [117
@{char@:Quarter up Walker rehead@:158@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:u2reWalker@} [158]]
@{char@:Half down Funk dohead@:118@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1doFunk@} [118]
@{char@:Quarter down Walker rehead@:159@:0@:2.74866@:1.19016@:1.19016@:2.74866@
:0@:d2reWalker@} [159]
@{char@:Quarter up Funk dohead@:119@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2doFunk@} [119]
(feta-noteheads14.mf
@{char@:Quarter down Funk dohead@:120@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2doFunk@} [120] (feta-autometric.mf
@{char@:Whole Walker mihead@:160@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s0m
iWalker@} [160]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-noteheads-generic.mf
@{char@:Whole up Funk rehead@:121@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
reFunk@} [121 (feta-macros.mf
@{char@:Half Walker mihead@:161@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s1mi
Walker@} [161]]
@{char@:Quarter Walker mihead@:162@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s
2miWalker@} [162
@{char@:Whole down Funk rehead@:122@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0reFunk@} [122)]] (feta-params.mf
@{char@:Whole Walker fahead@:163@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0f
aWalker@} [163]
@{char@:Half up Funk rehead@:123@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1r
eFunk@} [123])
@{char@:Half up Walker fahead@:164@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u
1faWalker@} [164]
@{font@:GNU@:LilyPond@:feta@:14.14@:fetaMusic@}
(feta-noteheads.mf
@{char@:Half down Funk rehead@:124@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1reFunk@} [124]
@{char@:Half down Walker fahead@:165@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@
:d1faWalker@} [165]
@{char@:Quarter up Walker fahead@:166@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:u2faWalker@} [166
@{char@:Quarter up Funk rehead@:125@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2reFunk@} [125]]
@{char@:Quarter down Walker fahead@:167@:0@:2.74866@:1.19016@:1.19016@:2.74866@
:0@:d2faWalker@} [167]
@{char@:Quarter down Funk rehead@:126@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2reFunk@} [126]
@{char@:Whole Walker lahead@:168@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0l
aWalker@} [168]
@{char@:Half Funk lahead@:169@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s1laWa
lker@} [169]
@{char@:Whole up Funk mihead@:127@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:u0
miFunk@} [127]
@{char@:Quarter Funk lahead@:170@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s2l
aWalker@} [170]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.89954@:8.07214@:2.93756@:12.64304@:8.07214@:0@:uM
2@} [33]
@{char@:Whole down Funk mihead@:128@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:
d0miFunk@} [128]
@{char@:Whole Walker tihead@:171@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0t
iWalker@} [171]
@{char@:Half up Funk mihead@:129@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:u1m
iFunk@} [129]
@{char@:Half up Walker tihead@:172@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u
1tiWalker@} [172]
@{char@:Longa notehead@:34@:0.89954@:8.07214@:12.64304@:2.93756@:8.07214@:0@:dM
2@} [34]
@{char@:Half down Funk mihead@:130@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:d
1miFunk@} [130]
@{char@:Half down Walker tihead@:173@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@
:d1tiWalker@} [173]
@{char@:Quarter up Walker tihead@:174@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:u2tiWalker@} [174]
@{char@:Quarter Funk mihead@:131@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s2m
iFunk@} [131]
@{char@:Brevis notehead@:35@:0.89954@:8.07214@:2.93756@:2.93756@:8.07214@:0@:sM
1@} [35]
@{char@:Quarter down Walker tihead@:175@:0@:2.74866@:1.19016@:1.19016@:2.74866@
:0@:d2tiWalker@} [175]
@{char@:Whole up Funk fahead@:132@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
faFunk@} [132]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:11.22@}
@{parameter@:stafflinethickness@:0.42471@}
@{parameter@:staff_space@:2.80501@}
@{parameter@:linethickness@:0.42471@}
@{parameter@:black_notehead_width@:3.66487@}
@{parameter@:ledgerlinethickness@:0.84943@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:Whole down Funk fahead@:133@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0faFunk@} [133]
@{char@:Half up Funk fahead@:134@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1f
aFunk@} [134]
@{char@:Double-lined brevis notehead@:36@:2.04156@:9.21417@:2.93756@:2.93756@:9
.21417@:0@:sM1double@} [36]
@{char@:Half down Funk fahead@:135@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1faFunk@} [135]
@{char@:Whole notehead@:37@:0@:6.81094@:1.99239@:1.99239@:6.81094@:0@:s0@}
[37]
@{char@:Quarter up Funk fahead@:136@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2faFunk@} [136] )
Font metrics written on feta-noteheads11.tfm.
Output written on feta-noteheads11.600gf (143 characters, 11960 bytes).
Transcript written on feta-noteheads11.log.

@{char@:Quarter down Funk fahead@:137@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2faFunk@} [137]
@{char@:Half notehead@:38@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s1@}
[38]
@{char@:Whole Funk solhead@:138@:0@:2.89839@:1.35674@:1.35674@:2.89839@:0.21523
@:s0solFunk@} [138
@{char@:Quarter notehead@:39@:0@:4.64114@:1.99239@:1.99239@:4.64114@:0.57854@:s
2@} [39]]
@{char@:Half Funk solhead@:139@:0@:2.89839@:1.35674@:1.35674@:2.89839@:0.21523@
:s1solFunk@} [139
@{char@:Whole diamondhead@:40@:0@:7.1726@:1.99239@:1.99239@:7.1726@:0@:s0diamon
d@} [40]]
@{char@:Quarter Funk solhead@:140@:0@:2.89839@:1.35674@:1.35674@:2.89839@:0.215
23@:s2solFunk@} [140]
@{char@:Half diamondhead@:41@:0@:5.27693@:1.99239@:1.99239@:5.27693@:1.40855@:s
1diamond@} [41]
@{char@:Whole Funk lahead@:141@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0laF
unk@} [141]
@{char@:Quarter diamondhead@:42@:0@:5.34319@:1.99239@:1.99239@:5.34319@:1.4354@
:s2diamond@} [42]
@{char@:Half Funk lahead@:142@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s1laFu
nk@} [142]
@{char@:Quarter Funk lahead@:143@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s2l
aFunk@} [143]
@{char@:Whole up Funk tihead@:144@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
tiFunk@} [144]
@{char@:Whole down Funk tihead@:145@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0tiFunk@} [145]
@{char@:Half up Funk tihead@:146@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1t
iFunk@} [146]
@{char@:Half down Funk tihead@:147@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1tiFunk@} [147]
@{char@:Quarter up Funk tihead@:148@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2tiFunk@} [148]
@{char@:Quarter down Funk tihead@:149@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2tiFunk@} [149]
@{char@:Whole Walker dohead@:150@:0@:3.09573@:1.35674@:1.35674@:1.855@:1.05252@
:s0doWalker@} [150]
@{char@:Half up Walker dohead@:151@:0@:3.09573@:1.35674@:1.35674@:1.855@:1.0525
2@:u1doWalker@} [151]
@{char@:Half down Walker dohead@:152@:0@:3.09573@:1.35674@:1.35674@:1.855@:1.05
252@:d1doWalker@} [152]
@{char@:Quarter up Walker dohead@:153@:0@:3.09573@:1.35674@:1.35674@:1.855@:1.0
5252@:u2doWalker@} [153]
@{char@:Quarter down Walker dohead@:154@:0@:3.09573@:1.35674@:1.35674@:1.855@:1
.05252@:d2doWalker@} [154]
@{char@:Whole trianglehead@:43@:0@:8.50125@:3.20999@:2.69101@:8.50125@:0.51898@
:s0triangle@} [43]
@{char@:Whole Walker rehead@:155@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0r
eWalker@} [155]
@{char@:Half up Walker rehead@:156@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u
1reWalker@} [156]
@{char@:Half down Walker rehead@:157@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@
:d1reWalker@} [157]
@{char@:Quarter up Walker rehead@:158@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:u2reWalker@} [158]
@{char@:Quarter down Walker rehead@:159@:0@:3.09573@:1.35674@:1.35674@:3.09573@
:0@:d2reWalker@} [159]
@{char@:Whole Walker mihead@:160@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s0m
iWalker@} [160]
@{char@:Half Walker mihead@:161@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s1mi
Walker@} [161]
@{char@:Quarter Walker mihead@:162@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s
2miWalker@} [162]
@{char@:Whole Walker fahead@:163@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0f
aWalker@} [163]
@{char@:Half up Walker fahead@:164@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u
1faWalker@} [164]
@{char@:Half down Walker fahead@:165@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@
:d1faWalker@} [165]
@{char@:Quarter up Walker fahead@:166@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:u2faWalker@} [166]
@{char@:Quarter down Walker fahead@:167@:0@:3.09573@:1.35674@:1.35674@:3.09573@
:0@:d2faWalker@} [167]
@{char@:Whole Walker lahead@:168@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0l
aWalker@} [168]
@{char@:Half trianglehead (downstem)@:44@:0@:6.1524@:2.89795@:2.43663@:5.19359@
:2.4963@:d1triangle@} [44]
@{char@:Half Funk lahead@:169@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s1laWa
lker@} [169]
@{char@:Quarter Funk lahead@:170@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s2l
aWalker@} [170]
@{char@:Whole Walker tihead@:171@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0t
iWalker@} [171]
@{char@:Half up Walker tihead@:172@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u
1tiWalker@} [172]
@{char@:Half down Walker tihead@:173@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@
:d1tiWalker@} [173]
@{char@:Quarter up Walker tihead@:174@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:u2tiWalker@} [174]
@{char@:Quarter down Walker tihead@:175@:0@:3.09573@:1.35674@:1.35674@:3.09573@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:12.6@}
@{parameter@:stafflinethickness@:0.43655@}
@{parameter@:staff_space@:3.15001@}
@{parameter@:linethickness@:0.43655@}
@{parameter@:black_notehead_width@:4.12764@}
@{parameter@:ledgerlinethickness@:0.87311@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-noteheads13.tfm.
Output written on feta-noteheads13.600gf (143 characters, 13128 bytes).
Transcript written on feta-noteheads13.log.

@{char@:Half trianglehead (upstem)@:45@:0@:6.1524@:2.89795@:2.43663@:6.1524@:0.
4613@:u1triangle@} [45]mv feta-noteheads13.log feta-noteheads13.tfm ./out

@{char@:Quarter trianglehead (upstem)@:46@:0@:5.12701@:2.89795@:2.43663@:5.1270
1@:0.4613@:u2triangle@} [46]
@{char@:Quarter trianglehead (downstem)@:47@:0@:5.12701@:2.89795@:2.43663@:4.32
8@:2.4963@:d2triangle@} [47]
@{char@:Whole slashhead@:48@:0@:10.71574@:3.75989@:3.75989@:10.71574@:3.75989@:
s0slash@} [48]rm -f feta-noteheads13.*gf  feta-noteheads13.*pk

@{char@:Half slashhead@:49@:0@:8.34726@:3.75989@:3.75989@:8.34726@:3.75989@:s1s
lash@} [49]mv feta-noteheads11.log feta-noteheads11.tfm ./out

@{char@:Quarter slashhead@:50@:0@:6.12022@:3.75989@:3.75989@:6.12022@:3.75989@:
s2slash@} [50]
@{char@:Whole Crossed notehead@:51@:0@:6.44022@:2.21727@:2.21727@:6.44022@:0.90
642@:s0cross@} [51]
@{char@:Half Crossed notehead@:52@:0@:5.54068@:2.10483@:2.10483@:5.54068@:0.946
27@:s1cross@} [52]
@{char@:Crossed notehead@:53@:0@:4.64114@:1.99239@:1.99239@:4.64114@:1.45575@:s
2cross@} [53]
@{char@:X-Circled notehead@:54@:0@:5.51929@:2.36937@:2.36937@:5.51929@:0@:s2xci
rcle@} [54]
@{char@:Whole dohead@:55@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:s0do
@} [55]
@{char@:Half dohead@:56@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773@:d1do@}
[56]
@{char@:Half dohead@:57@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:u1do@
} [57]
@{char@:Quarter dohead@:58@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773@:d2d
o@} [58]
@{char@:Quarter dohead@:59@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:u2
do@} [59]
@{char@:Whole thin dohead@:60@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@
:s0doThin@} [60]
@{char@:Half thin dohead@:61@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773@:d
1doThin@} [61]
@{char@:Half thin dohead@:62@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:
u1doThin@} [62]
@{char@:Quarter thin dohead@:63@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773
@:d2doThin@} [63]
@{char@:Quarter thin dohead@:64@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.3177
3@:u2doThin@} [64]
@{char@:Whole rehead@:65@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:s0re@
} [65]
@{char@:Half up rehead@:66@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:u1r
e@} [66]
@{char@:Half down rehead@:67@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.61703@:
d1re@} [67]
@{char@:Quarter up rehead@:68@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:
u2re@} [68]
@{char@:Quarter down rehead@:69@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.6170
3@:d2re@} [69]
@{char@:Whole thin rehead@:70@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:
s0reThin@} [70]
@{char@:Half up thin rehead@:71@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703
@:u1reThin@} [71]
@{char@:Half down thin rehead@:72@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.61
703@:d1reThin@} [72]
@{char@:Quarter thin rehead@:73@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703
@:u2reThin@} [73]
@{char@:Quarter thin rehead@:74@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.6170
3@:d2reThin@} [74]
@{char@:Whole mihead@:75@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s0mi@}
[75]
@{char@:Half mihead@:76@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s1mi@}
[76]
@{char@:Quarter mihead@:77@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s2mi@}
[77]
@{char@:Whole mirror mihead@:78@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s0mi
Mirror@} [78]
@{char@:Half  mirror mihead@:79@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s1mi
Mirror@} [79]
@{char@:Quarter mirror mihead@:80@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s2
miMirror@} [80]
@{char@:Whole thin mihead@:81@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s0miTh
in@} [81]
@{char@:Half thin mihead@:82@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s1miThi
n@} [82]
@{char@:Quarter thin mihead@:83@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s2mi
Thin@} [83]
@{char@:Whole fa up head@:84@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u0fa@}
[84]
@{char@:Whole fa down head@:85@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d0fa@
} [85]
@{char@:half fa up head@:86@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u1fa@}
[86]
@{char@:Half fa down head@:87@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d1fa@}
[87]
@{char@:Quarter fa up head@:88@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u2fa@
} [88]
@{char@:Quarter fa down head@:89@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d2f
a@} [89]
@{char@:Whole thin fa up head@:90@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u0
faThin@} [90]
@{char@:Whole thin fa down head@:91@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:
d0faThin@} [91]
@{char@:half thin fa up head@:92@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u1f
aThin@} [92]
@{char@:Half thin fa down head@:93@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d
1faThin@} [93]
@{char@:Quarter thin fa up head@:94@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:
u2faThin@} [94]
@{char@:Quarter thin fa down head@:95@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0
@:d2faThin@} [95]
@{char@:Whole solhead@:96@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s0so
l@} [96]
@{char@:Half solhead@:97@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s1sol
@} [97]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Quarter solhead@:98@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s2
sol@} [98]
@{char@:Whole lahead@:99@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s0la@}
[99]
@{char@:Half lahead@:100@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s1la@}
[100]
@{char@:Quarter lahead@:101@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s2la@}
[101]
@{char@:Whole thin lahead@:102@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s0laT
hin@} [102]
@{char@:Half thin lahead@:103@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s1laTh
in@} [103]
@{char@:Quarter lahead@:104@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s2laThin
@} [104]
@{char@:Whole up tihead@:105@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.43193@:s
0ti@} [105]
@{char@:Half up tihead@:106@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.43193@:u1
ti@} [106]
@{char@:Half down tihead@:107@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.43193@
:d1ti@} [107]
@{char@:Quarter up tihead@:108@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.43193@
:u2ti@} [108]
@{char@:Quarter down tihead@:109@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.431
93@:d2ti@} [109]
@{char@:Whole thin up tihead@:110@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.431
93@:s0tiThin@} [110]
@{char@:Half thin up tihead@:111@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.4319
3@:u1tiThin@} [111]
@{char@:Half thin down tihead@:112@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.4
3193@:d1tiThin@} [112]
@{char@:Quarter thin up tihead@:113@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.4
3193@:u2tiThin@} [113]
@{char@:Quarter thin down tihead@:114@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-
0.43193@:d2tiThin@} [114]
@{char@:Whole up Funk dohead@:115@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
doFunk@} [115]
@{char@:Whole down Funk dohead@:116@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0doFunk@} [116]
@{char@:Half up Funk dohead@:117@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1d
oFunk@} [117]
@{char@:Half down Funk dohead@:118@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1doFunk@} [118]
@{char@:Quarter up Funk dohead@:119@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2doFunk@} [119]
@{char@:Quarter down Funk dohead@:120@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2doFunk@} [120]
@{char@:Whole up Funk rehead@:121@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
reFunk@} [121]
@{char@:Whole down Funk rehead@:122@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0reFunk@} [122]
@{char@:Half up Funk rehead@:123@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1r
eFunk@} [123]
@{char@:Half down Funk rehead@:124@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1reFunk@} [124]
@{char@:Quarter up Funk rehead@:125@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2reFunk@} [125]
@{char@:Quarter down Funk rehead@:126@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2reFunk@} [126]
(feta-noteheads16.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Whole up Funk mihead@:127@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:u0miFu
nk@} [127 (feta-noteheads-generic.mf] (feta-macros.mf
@{char@:Whole down Funk mihead@:128@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:d0mi
Funk@} [128]) (feta-params.mf
@{char@:Half up Funk mihead@:129@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:u1miFun
k@} [129])
@{char@:Half down Funk mihead@:130@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:d1miF
unk@} [130]
@{font@:GNU@:LilyPond@:feta@:15.87@:fetaMusic@}
(feta-noteheads.mf
@{char@:Quarter Funk mihead@:131@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s2miFun
k@} [131]
@{char@:Whole up Funk fahead@:132@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
faFunk@} [132]
@{char@:Whole down Funk fahead@:133@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0faFunk@} [133]
@{char@:Half up Funk fahead@:134@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1f
aFunk@} [134]
@{char@:Half down Funk fahead@:135@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1faFunk@} [135]
@{char@:Quarter up Funk fahead@:136@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2faFunk@} [136]
@{char@:Quarter down Funk fahead@:137@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2faFunk@} [137]
@{char@:Whole Funk solhead@:138@:0@:3.29552@:1.54262@:1.54262@:3.29552@:0.2447@
:s0solFunk@} [138]
@{char@:Half Funk solhead@:139@:0@:3.29552@:1.54262@:1.54262@:3.29552@:0.2447@:
s1solFunk@} [139]
@{char@:Quarter Funk solhead@:140@:0@:3.29552@:1.54262@:1.54262@:3.29552@:0.244
7@:s2solFunk@} [140]
@{char@:Whole Funk lahead@:141@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0laF
unk@} [141]
@{char@:Half Funk lahead@:142@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s1laFu
nk@} [142]
@{char@:Quarter Funk lahead@:143@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s2l
aFunk@} [143]
@{char@:Whole up Funk tihead@:144@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
tiFunk@} [144]
@{char@:Whole down Funk tihead@:145@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0tiFunk@} [145]
@{char@:Half up Funk tihead@:146@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1t
iFunk@} [146]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.92923@:8.90707@:3.1826@:14.15587@:8.90707@:0@:uM2
@} [33]
@{char@:Half down Funk tihead@:147@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1tiFunk@} [147]
@{char@:Quarter up Funk tihead@:148@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2tiFunk@} [148]rm -f feta-noteheads11.*gf  feta-noteheads11.*pk

@{char@:Longa notehead@:34@:0.92923@:8.90707@:14.15587@:3.1826@:8.90707@:0@:dM2
@} [34]
@{char@:Quarter down Funk tihead@:149@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2tiFunk@} [149]( echo ./out/feta-noteheads18.tfm:  > out/feta-noteheads18.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-noteheads18.mf;" 

@{char@:Whole Walker dohead@:150@:0@:3.48087@:1.54262@:1.54262@:2.04669@:1.2602
7@:s0doWalker@} [150]
@{char@:Brevis notehead@:35@:0.92923@:8.90707@:3.1826@:3.1826@:8.90707@:0@:sM1@
} [35]
@{char@:Half up Walker dohead@:151@:0@:3.48087@:1.54262@:1.54262@:2.04669@:1.26
027@:u1doWalker@} [151]
@{char@:Half down Walker dohead@:152@:0@:3.48087@:1.54262@:1.54262@:2.04669@:1.
26027@:d1doWalker@} [152]
@{char@:Quarter up Walker dohead@:153@:0@:3.48087@:1.54262@:1.54262@:2.04669@:1
.26027@:u2doWalker@} [153]
@{char@:Double-lined brevis notehead@:36@:2.09868@:10.07652@:3.1826@:3.1826@:10
.07652@:0@:sM1double@} [36]
@{char@:Quarter down Walker dohead@:154@:0@:3.48087@:1.54262@:1.54262@:2.04669@
:1.26027@:d2doWalker@} [154]
@{char@:Whole notehead@:37@:0@:7.72525@:2.21606@:2.21606@:7.72525@:0@:s0@}
[37]
@{char@:Whole Walker rehead@:155@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0r
eWalker@} [155]
@{char@:Half notehead@:38@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s1@}
[38]
@{char@:Quarter notehead@:39@:0@:5.21574@:2.21606@:2.21606@:5.21574@:0.68697@:s
2@} [39]
@{char@:Half up Walker rehead@:156@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u
1reWalker@} [156]
@{char@:Whole diamondhead@:40@:0@:7.97784@:2.21606@:2.21606@:7.97784@:0@:s0diam
ond@} [40]
@{char@:Half down Walker rehead@:157@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@
:d1reWalker@} [157]
@{char@:Half diamondhead@:41@:0@:5.86934@:2.21606@:2.21606@:5.86934@:1.56668@:s
1diamond@} [41]
@{char@:Quarter up Walker rehead@:158@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:u2reWalker@} [158]
@{char@:Quarter diamondhead@:42@:0@:5.94305@:2.21606@:2.21606@:5.94305@:1.59656
@:s2diamond@} [42]
@{char@:Quarter down Walker rehead@:159@:0@:3.48087@:1.54262@:1.54262@:3.48087@
:0@:d2reWalker@} [159]
@{char@:Whole Walker mihead@:160@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s0miWal
ker@} [160]
@{char@:Half Walker mihead@:161@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s1miWalk
er@} [161]
@{char@:Quarter Walker mihead@:162@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s2miW
alker@} [162]
@{char@:Whole Walker fahead@:163@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0f
aWalker@} [163]
@{char@:Half up Walker fahead@:164@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u
1faWalker@} [164]
@{char@:Half down Walker fahead@:165@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@
:d1faWalker@} [165]
@{char@:Quarter up Walker fahead@:166@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:u2faWalker@} [166]
@{char@:Quarter down Walker fahead@:167@:0@:3.48087@:1.54262@:1.54262@:3.48087@
:0@:d2faWalker@} [167]
@{char@:Whole Walker lahead@:168@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0l
aWalker@} [168]
@{char@:Half Funk lahead@:169@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s1laWa
lker@} [169]
@{char@:Quarter Funk lahead@:170@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s2l
aWalker@} [170]
@{char@:Whole Walker tihead@:171@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0t
iWalker@} [171]
@{char@:Whole trianglehead@:43@:0@:9.40749@:3.55432@:2.97707@:9.40749@:0.57724@
:s0triangle@} [43]
@{char@:Half up Walker tihead@:172@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u
1tiWalker@} [172]
@{char@:Half down Walker tihead@:173@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@
:d1tiWalker@} [173]
@{char@:Quarter up Walker tihead@:174@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:u2tiWalker@} [174]
@{char@:Quarter down Walker tihead@:175@:0@:3.48087@:1.54262@:1.54262@:3.48087@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:14.14@}
@{parameter@:stafflinethickness@:0.44977@}
@{parameter@:staff_space@:3.535@}
@{parameter@:linethickness@:0.44977@}
@{parameter@:black_notehead_width@:4.64114@}
@{parameter@:ledgerlinethickness@:0.89954@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-noteheads14.tfm.
Output written on feta-noteheads14.600gf (143 characters, 14832 bytes).
Transcript written on feta-noteheads14.log.
mv feta-noteheads14.log feta-noteheads14.tfm ./out

@{char@:Half trianglehead (downstem)@:44@:0@:6.8046@:3.20724@:2.69414@:5.73813@
:2.77655@:d1triangle@} [44]
@{char@:Half trianglehead (upstem)@:45@:0@:6.8046@:3.20724@:2.69414@:6.8046@:0.
51309@:u1triangle@} [45]
@{char@:Quarter trianglehead (upstem)@:46@:0@:5.67052@:3.20724@:2.69414@:5.6705
2@:0.51309@:u2triangle@} [46]
@{char@:Quarter trianglehead (downstem)@:47@:0@:5.67052@:3.20724@:2.69414@:4.78
18@:2.77655@:d2triangle@} [47]
@{char@:Whole slashhead@:48@:0@:12.00314@:4.19981@:4.19981@:12.00314@:4.19981@:
s0slash@} [48]
@{char@:Half slashhead@:49@:0@:9.3449@:4.19981@:4.19981@:9.3449@:4.19981@:s1sla
sh@} [49]
@{char@:Quarter slashhead@:50@:0@:6.84538@:4.19981@:4.19981@:6.84538@:4.19981@:
s2slash@} [50]rm -f feta-noteheads14.*gf  feta-noteheads14.*pk
( echo ./out/feta-noteheads20.tfm:  > out/feta-noteheads20.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-noteheads20.mf;" 

@{char@:Whole Crossed notehead@:51@:0@:7.0742@:2.44836@:2.44836@:7.0742@:1.0759
3@:s0cross@} [51]
@{char@:Half Crossed notehead@:52@:0@:6.14497@:2.33221@:2.33221@:6.14497@:1.148
24@:s1cross@} [52]
@{char@:Crossed notehead@:53@:0@:5.21574@:2.21606@:2.21606@:5.21574@:1.60153@:s
2cross@} [53]
@{char@:X-Circled notehead@:54@:0@:6.2026@:2.63536@:2.63536@:6.2026@:0@:s2xcirc
le@} [54]
@{char@:Whole dohead@:55@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:s0do
@} [55]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Half dohead@:56@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913@:d1do@}
[56]
@{char@:Half dohead@:57@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:u1do@
} [57]
@{char@:Quarter dohead@:58@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913@:d2d
o@} [58]
@{char@:Quarter dohead@:59@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:u2
do@} [59]
@{char@:Whole thin dohead@:60@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@
:s0doThin@} [60]
@{char@:Half thin dohead@:61@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913@:d
1doThin@} [61]
@{char@:Half thin dohead@:62@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:
u1doThin@} [62]
@{char@:Quarter thin dohead@:63@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913
@:d2doThin@} [63]
@{char@:Quarter thin dohead@:64@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.5191
3@:u2doThin@} [64]
@{char@:Whole rehead@:65@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:s0re@
} [65]
@{char@:Half up rehead@:66@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:u1r
e@} [66]
@{char@:Half down rehead@:67@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.70056@:
d1re@} [67]
@{char@:Quarter up rehead@:68@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:
u2re@} [68]
@{char@:Quarter down rehead@:69@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.7005
6@:d2re@} [69]
@{char@:Whole thin rehead@:70@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:
s0reThin@} [70]
@{char@:Half up thin rehead@:71@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056
@:u1reThin@} [71]
(feta-noteheads18.mf
@{char@:Half down thin rehead@:72@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.70
056@:d1reThin@} [72] (feta-autometric.mf
@{char@:Quarter thin rehead@:73@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056
@:u2reThin@} [73]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-noteheads-generic.mf
@{char@:Quarter thin rehead@:74@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.7005
6@:d2reThin@} [74] (feta-macros.mf
@{char@:Whole mihead@:75@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s0mi@}
[75)] (feta-params.mf
@{char@:Half mihead@:76@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s1mi@}
[76])
@{font@:GNU@:LilyPond@:feta@:17.82@:fetaMusic@}
(feta-noteheads.mf
@{char@:Quarter mihead@:77@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s2mi@}
[77]
@{char@:Whole mirror mihead@:78@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s0mi
Mirror@} [78]
@{char@:Half  mirror mihead@:79@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s1mi
Mirror@} [79]
@{char@:Quarter mirror mihead@:80@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s2
miMirror@} [80]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.96268@:9.8481@:3.43037@:15.8327@:9.8481@:0@:uM2@}
[33]
@{char@:Whole thin mihead@:81@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s0miTh
in@} [81]
@{char@:Half thin mihead@:82@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s1miThi
n@} [82]
@{char@:Longa notehead@:34@:0.96268@:9.8481@:15.8327@:3.43037@:9.8481@:0@:dM2@}
[34]
@{char@:Quarter thin mihead@:83@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s2mi
Thin@} [83]
@{char@:Whole fa up head@:84@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u0fa@}
[84]
@{char@:Brevis notehead@:35@:0.96268@:9.8481@:3.43037@:3.43037@:9.8481@:0@:sM1@
} [35]
@{char@:Whole fa down head@:85@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d0fa@
} [85]
@{char@:half fa up head@:86@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u1fa@}
[86]
@{char@:Half fa down head@:87@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d1fa@}
[87]
@{char@:Double-lined brevis notehead@:36@:2.16219@:11.0476@:3.43037@:3.43037@:1
1.0476@:0@:sM1double@} [36]
@{char@:Quarter fa up head@:88@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u2fa@
} [88]
@{char@:Whole notehead@:37@:0@:8.75316@:2.46817@:2.46817@:8.75316@:0@:s0@}
[37
@{char@:Quarter fa down head@:89@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d2f
a@} [89]]
@{char@:Whole thin fa up head@:90@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u0
faThin@} [90]
@{char@:Half notehead@:38@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s1@}
[38]
@{char@:Quarter notehead@:39@:0@:5.86116@:2.46817@:2.46817@:5.86116@:0.80692@:s
2@} [39]
@{char@:Whole thin fa down head@:91@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:
d0faThin@} [91]
@{char@:Whole diamondhead@:40@:0@:8.88542@:2.46817@:2.46817@:8.88542@:0@:s0diam
ond@} [40]
@{char@:half thin fa up head@:92@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u1f
aThin@} [92]
@{char@:Half thin fa down head@:93@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d
1faThin@} [93]
@{char@:Half diamondhead@:41@:0@:6.53708@:2.46817@:2.46817@:6.53708@:1.74492@:s
1diamond@} [41]
@{char@:Quarter diamondhead@:42@:0@:6.61916@:2.46817@:2.46817@:6.61916@:1.77818
@:s2diamond@} [42]
@{char@:Quarter thin fa up head@:94@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:
u2faThin@} [94]
@{char@:Quarter thin fa down head@:95@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0
@:d2faThin@} [95]
@{char@:Whole solhead@:96@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s0so
l@} [96]
@{char@:Half solhead@:97@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s1sol
@} [97]
@{char@:Quarter solhead@:98@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s2
sol@} [98]
@{char@:Whole lahead@:99@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s0la@}
[99]
@{char@:Half lahead@:100@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s1la@}
[100]
@{char@:Quarter lahead@:101@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s2la@}
[101]
@{char@:Whole thin lahead@:102@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s0laT
hin@} [102]
@{char@:Half thin lahead@:103@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s1laTh
in@} [103]
@{char@:Quarter lahead@:104@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s2laThin
@} [104]
@{char@:Whole up tihead@:105@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904@:s0
ti@} [105]
@{char@:Half up tihead@:106@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904@:u1t
i@} [106]
@{char@:Half down tihead@:107@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.4904@:
d1ti@} [107]
@{char@:Quarter up tihead@:108@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904@:
u2ti@} [108]
@{char@:Quarter down tihead@:109@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.490
4@:d2ti@} [109]
@{char@:Whole trianglehead@:43@:0@:10.42897@:3.94243@:3.2995@:10.42899@:0.64293
@:s0triangle@} [43]
@{char@:Whole thin up tihead@:110@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.490
4@:s0tiThin@} [110]
@{char@:Half thin up tihead@:111@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904
@:u1tiThin@} [111]
@{char@:Half thin down tihead@:112@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.4
904@:d1tiThin@} [112]
@{char@:Quarter thin up tihead@:113@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4
904@:u2tiThin@} [113]
@{char@:Quarter thin down tihead@:114@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-
0.4904@:d2tiThin@} [114]( echo ./out/feta-noteheads23.tfm:  > out/feta-noteheads23.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-noteheads23.mf;" 

@{char@:Whole up Funk dohead@:115@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0do
Funk@} [115]
@{char@:Whole down Funk dohead@:116@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
doFunk@} [116]
@{char@:Half up Funk dohead@:117@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1doF
unk@} [117]
@{char@:Half down Funk dohead@:118@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1d
oFunk@} [118]
@{char@:Quarter up Funk dohead@:119@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
doFunk@} [119]
@{char@:Quarter down Funk dohead@:120@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2doFunk@} [120]
@{char@:Whole up Funk rehead@:121@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0re
Funk@} [121]
@{char@:Whole down Funk rehead@:122@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
reFunk@} [122]
@{char@:Half up Funk rehead@:123@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1reF
unk@} [123]
@{char@:Half trianglehead (downstem)@:44@:0@:7.5397@:3.55588@:2.98439@:6.35191@
:3.09244@:d1triangle@} [44]
@{char@:Half down Funk rehead@:124@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1r
eFunk@} [124]
@{char@:Quarter up Funk rehead@:125@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
reFunk@} [125]
@{char@:Quarter down Funk rehead@:126@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2reFunk@} [126]
@{char@:Whole up Funk mihead@:127@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:u0
miFunk@} [127]
@{char@:Whole down Funk mihead@:128@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:
d0miFunk@} [128]
@{char@:Half up Funk mihead@:129@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:u1m
iFunk@} [129]
@{char@:Half down Funk mihead@:130@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:d
1miFunk@} [130]
@{char@:Quarter Funk mihead@:131@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s2m
iFunk@} [131]
@{char@:Whole up Funk fahead@:132@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0fa
Funk@} [132]
@{char@:Whole down Funk fahead@:133@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
faFunk@} [133]
@{char@:Half up Funk fahead@:134@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1faF
unk@} [134]
@{char@:Half down Funk fahead@:135@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1f
aFunk@} [135]
@{char@:Quarter up Funk fahead@:136@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
faFunk@} [136]
@{char@:Half trianglehead (upstem)@:45@:0@:7.5397@:3.55588@:2.98439@:7.53972@:0
.57147@:u1triangle@} [45]
@{char@:Quarter down Funk fahead@:137@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2faFunk@} [137]
@{char@:Whole Funk solhead@:138@:0@:3.74165@:1.75145@:1.75145@:3.74165@:0.27783
@:s0solFunk@} [138]
@{char@:Half Funk solhead@:139@:0@:3.74165@:1.75145@:1.75145@:3.74165@:0.27783@
:s1solFunk@} [139]
@{char@:Quarter Funk solhead@:140@:0@:3.74165@:1.75145@:1.75145@:3.74165@:0.277
83@:s2solFunk@} [140]
@{char@:Whole Funk lahead@:141@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0laFun
k@} [141]
@{char@:Half Funk lahead@:142@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s1laFunk
@} [142]
@{char@:Quarter Funk lahead@:143@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s2laF
unk@} [143]
@{char@:Whole up Funk tihead@:144@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0ti
Funk@} [144]
@{char@:Whole down Funk tihead@:145@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
tiFunk@} [145]
@{char@:Half up Funk tihead@:146@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1tiF
unk@} [146]
@{char@:Quarter trianglehead (upstem)@:46@:0@:6.28311@:3.55588@:2.98439@:6.2831
3@:0.57147@:u2triangle@} [46]
@{char@:Half down Funk tihead@:147@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1t
iFunk@} [147]
@{char@:Quarter up Funk tihead@:148@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
tiFunk@} [148]
@{char@:Quarter down Funk tihead@:149@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2tiFunk@} [149]
@{char@:Whole Walker dohead@:150@:0@:3.9118@:1.75145@:1.75145@:2.26805@:1.48183
@:s0doWalker@} [150]
@{char@:Half up Walker dohead@:151@:0@:3.9118@:1.75145@:1.75145@:2.26805@:1.481
83@:u1doWalker@} [151]
@{char@:Half down Walker dohead@:152@:0@:3.9118@:1.75145@:1.75145@:2.26805@:1.4
8183@:d1doWalker@} [152]
@{char@:Quarter up Walker dohead@:153@:0@:3.9118@:1.75145@:1.75145@:2.26805@:1.
48183@:u2doWalker@} [153]
@{char@:Quarter down Walker dohead@:154@:0@:3.9118@:1.75145@:1.75145@:2.26805@:
1.48183@:d2doWalker@} [154]
@{char@:Whole Walker rehead@:155@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0reW
alker@} [155]
@{char@:Quarter trianglehead (downstem)@:47@:0@:6.28311@:3.55588@:2.98439@:5.29
329@:3.09244@:d2triangle@} [47]
@{char@:Half up Walker rehead@:156@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1r
eWalker@} [156]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Whole slashhead@:48@:0@:13.45424@:4.69568@:4.69568@:13.45424@:4.69568@:
s0slash@} [48]
@{char@:Half slashhead@:49@:0@:10.46936@:4.69568@:4.69568@:10.46936@:4.69568@:s
1slash@} [49
@{char@:Half down Walker rehead@:157@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d
1reWalker@} [157]]
@{char@:Quarter slashhead@:50@:0@:7.66273@:4.69568@:4.69568@:7.66273@:4.69568@:
s2slash@} [50]
@{char@:Quarter up Walker rehead@:158@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
u2reWalker@} [158]
@{char@:Quarter down Walker rehead@:159@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0
@:d2reWalker@} [159]
@{char@:Whole Crossed notehead@:51@:0@:7.78651@:2.70885@:2.70885@:7.78651@:1.26
57@:s0cross@} [51]
@{char@:Whole Walker mihead@:160@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s0m
iWalker@} [160]
@{char@:Half Crossed notehead@:52@:0@:6.82384@:2.58852@:2.58852@:6.82384@:1.335
39@:s1cross@} [52]
@{char@:Half Walker mihead@:161@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s1mi
Walker@} [161]
@{char@:Crossed notehead@:53@:0@:5.86116@:2.46817@:2.46817@:5.86116@:1.79335@:s
2cross@} [53]
@{char@:Quarter Walker mihead@:162@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s
2miWalker@} [162]
@{char@:X-Circled notehead@:54@:0@:6.97014@:2.93518@:2.93518@:6.97014@:0@:s2xci
rcle@} [54]
@{char@:Whole Walker fahead@:163@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0faW
alker@} [163]
@{char@:Half up Walker fahead@:164@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1f
aWalker@} [164
@{char@:Whole dohead@:55@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:s0do
@} [55]]
@{char@:Half down Walker fahead@:165@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d
1faWalker@} [165]
@{char@:Half dohead@:56@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615@:d1do@}
[56]
@{char@:Quarter up Walker fahead@:166@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
u2faWalker@} [166]
@{char@:Half dohead@:57@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:u1do@
} [57]
@{char@:Quarter down Walker fahead@:167@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0
@:d2faWalker@} [167]
@{char@:Quarter dohead@:58@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615@:d2d
o@} [58]
@{char@:Whole Walker lahead@:168@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0laW
alker@} [168]
(feta-noteheads20.mf
@{char@:Quarter dohead@:59@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:u2
do@} [59 (feta-autometric.mf]
@{char@:Half Funk lahead@:169@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s1laWalk
er@} [169]
@{char@:Quarter Funk lahead@:170@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s2laW
alker@} [170
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)] (feta-noteheads-generic.mf
@{char@:Whole thin dohead@:60@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@
:s0doThin@} [60] (feta-macros.mf
@{char@:Whole Walker tihead@:171@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0tiW
alker@} [171
@{char@:Half thin dohead@:61@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615@:d
1doThin@} [61]]) (feta-params.mf
@{char@:Half thin dohead@:62@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:
u1doThin@} [62
@{char@:Half up Walker tihead@:172@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1t
iWalker@} [172]]
@{char@:Quarter thin dohead@:63@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615
@:d2doThin@} [63]
@{char@:Half down Walker tihead@:173@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d
1tiWalker@} [173])
@{font@:GNU@:LilyPond@:feta@:20@:fetaMusic@}
(feta-noteheads.mf
@{char@:Quarter thin dohead@:64@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.7461
5@:u2doThin@} [64]
@{char@:Quarter up Walker tihead@:174@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
u2tiWalker@} [174]
@{char@:Whole rehead@:65@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:s0re@
} [65]
@{char@:Quarter down Walker tihead@:175@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0
@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:15.87@}
@{parameter@:stafflinethickness@:0.46461@}
@{parameter@:staff_space@:3.9675@}
@{parameter@:linethickness@:0.46461@}
@{parameter@:black_notehead_width@:5.21574@}
@{parameter@:ledgerlinethickness@:0.92923@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:Half up rehead@:66@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:u1r
e@} [66]
@{char@:Half down rehead@:67@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.79472@:
d1re@} [67]
@{char@:Quarter up rehead@:68@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:
u2re@} [68]
@{char@:Quarter down rehead@:69@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.7947
2@:d2re@} [69]
@{char@:Whole thin rehead@:70@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:
s0reThin@} [70]
@{char@:Half up thin rehead@:71@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472
@:u1reThin@} [71]
@{char@:Half down thin rehead@:72@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.79
472@:d1reThin@} [72]
@{char@:Quarter thin rehead@:73@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472
@:u2reThin@} [73]
@{char@:Quarter thin rehead@:74@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.7947
2@:d2reThin@} [74]
@{char@:Whole mihead@:75@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s0mi@}
[75]
@{char@:Half mihead@:76@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s1mi@}
[76] )
Font metrics written on feta-noteheads16.tfm.
Output written on feta-noteheads16.600gf (143 characters, 16776 bytes).
Transcript written on feta-noteheads16.log.

@{char@:Quarter mihead@:77@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s2mi@}
[77]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:1.00009@:10.90022@:3.6@:17.59991@:10.90022@:0@:uM2@
} [33]
@{char@:Whole mirror mihead@:78@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s0mi
Mirror@} [78]
@{char@:Half  mirror mihead@:79@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s1mi
Mirror@} [79]
@{char@:Longa notehead@:34@:1.00009@:10.90022@:17.59991@:3.6@:10.90022@:0@:dM2@
} [34]
@{char@:Quarter mirror mihead@:80@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s2
miMirror@} [80]
@{char@:Brevis notehead@:35@:1.00009@:10.90022@:3.6@:3.6@:10.90022@:0@:sM1@}
[35]
@{char@:Whole thin mihead@:81@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s0miTh
in@} [81]
@{char@:Half thin mihead@:82@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s1miThi
n@} [82]
@{char@:Quarter thin mihead@:83@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s2mi
Thin@} [83]
@{char@:Double-lined brevis notehead@:36@:2.23228@:12.13242@:3.6@:3.6@:12.13242
@:0@:sM1double@} [36]
@{char@:Whole fa up head@:84@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u0fa@}
[84]
@{char@:Whole notehead@:37@:0@:9.90004@:2.75003@:2.75003@:9.90004@:0@:s0@}
[37]
@{char@:Whole fa down head@:85@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d0fa@
} [85]
@{char@:Half notehead@:38@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s1@}
[38]
@{char@:half fa up head@:86@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u1fa@}
[86]
@{char@:Quarter notehead@:39@:0@:6.58089@:2.75003@:2.75003@:6.58089@:0.93907@:s
2@} [39]
@{char@:Half fa down head@:87@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d1fa@}
[87]
@{char@:Whole diamondhead@:40@:0@:9.90013@:2.75003@:2.75003@:9.90013@:0@:s0diam
ond@} [40]
@{char@:Quarter fa up head@:88@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u2fa@
} [88]
@{char@:Half diamondhead@:41@:0@:7.28357@:2.75003@:2.75003@:7.28357@:1.94417@:s
1diamond@} [41]
@{char@:Quarter fa down head@:89@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d2f
a@} [89]
@{char@:Quarter diamondhead@:42@:0@:7.37505@:2.75003@:2.75003@:7.37505@:1.98125
@:s2diamond@} [42]
@{char@:Whole thin fa up head@:90@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u0
faThin@} [90]
@{char@:Whole thin fa down head@:91@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:
d0faThin@} [91]
@{char@:half thin fa up head@:92@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u1f
aThin@} [92]
@{char@:Half thin fa down head@:93@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d
1faThin@} [93]
@{char@:Quarter thin fa up head@:94@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:
u2faThin@} [94]
@{char@:Quarter thin fa down head@:95@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0
@:d2faThin@} [95]
@{char@:Whole solhead@:96@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s0so
l@} [96]
@{char@:Half solhead@:97@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s1sol
@} [97]
@{char@:Quarter solhead@:98@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s2
sol@} [98]
@{char@:Whole lahead@:99@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s0la@}
[99]
@{char@:Half lahead@:100@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s1la@}
[100]
@{char@:Quarter lahead@:101@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s2la@}
[101]
@{char@:Whole thin lahead@:102@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s0laT
hin@} [102]
@{char@:Half thin lahead@:103@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s1laTh
in@} [103]
@{char@:Quarter lahead@:104@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s2laThin
@} [104]
@{char@:Whole trianglehead@:43@:0@:11.57098@:4.37633@:3.65997@:11.571@:0.71634@
:s0triangle@} [43]
@{char@:Whole up tihead@:105@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563@:s0
ti@} [105]mv feta-noteheads16.log feta-noteheads16.tfm ./out

@{char@:Half up tihead@:106@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563@:u1t
i@} [106]
@{char@:Half down tihead@:107@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.5563@:
d1ti@} [107]
@{char@:Quarter up tihead@:108@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563@:
u2ti@} [108]
@{char@:Quarter down tihead@:109@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.556
3@:d2ti@} [109]
@{char@:Whole thin up tihead@:110@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.556
3@:s0tiThin@} [110]
@{char@:Half thin up tihead@:111@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563
@:u1tiThin@} [111]
@{char@:Half thin down tihead@:112@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.5
563@:d1tiThin@} [112]
@{char@:Quarter thin up tihead@:113@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5
563@:u2tiThin@} [113]
@{char@:Quarter thin down tihead@:114@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-
0.5563@:d2tiThin@} [114]
@{char@:Whole up Funk dohead@:115@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
doFunk@} [115]
@{char@:Whole down Funk dohead@:116@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0doFunk@} [116]
@{char@:Half up Funk dohead@:117@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1d
oFunk@} [117]
@{char@:Half down Funk dohead@:118@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1doFunk@} [118]
@{char@:Quarter up Funk dohead@:119@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2doFunk@} [119]
@{char@:Quarter down Funk dohead@:120@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2doFunk@} [120]
@{char@:Half trianglehead (downstem)@:44@:0@:8.36156@:3.94562@:3.30887@:7.03813
@:3.44557@:d1triangle@} [44]
@{char@:Whole up Funk rehead@:121@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
reFunk@} [121]
@{char@:Whole down Funk rehead@:122@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0reFunk@} [122]
@{char@:Half up Funk rehead@:123@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1r
eFunk@} [123]
@{char@:Half down Funk rehead@:124@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1reFunk@} [124]
@{char@:Quarter up Funk rehead@:125@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2reFunk@} [125]
@{char@:Quarter down Funk rehead@:126@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2reFunk@} [126]
@{char@:Whole up Funk mihead@:127@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:u0
miFunk@} [127]
@{char@:Whole down Funk mihead@:128@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:
d0miFunk@} [128]
@{char@:Half up Funk mihead@:129@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:u1m
iFunk@} [129]
@{char@:Half down Funk mihead@:130@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:d
1miFunk@} [130]
@{char@:Quarter Funk mihead@:131@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s2m
iFunk@} [131]
@{char@:Half trianglehead (upstem)@:45@:0@:8.36156@:3.94562@:3.30887@:8.36157@:
0.63673@:u1triangle@} [45]
@{char@:Whole up Funk fahead@:132@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
faFunk@} [132]
@{char@:Whole down Funk fahead@:133@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0faFunk@} [133]
@{char@:Half up Funk fahead@:134@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1f
aFunk@} [134]
@{char@:Half down Funk fahead@:135@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1faFunk@} [135]
@{char@:Quarter up Funk fahead@:136@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2faFunk@} [136]
@{char@:Quarter down Funk fahead@:137@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2faFunk@} [137]rm -f feta-noteheads16.*gf  feta-noteheads16.*pk

@{char@:Whole Funk solhead@:138@:0@:4.2445@:1.98683@:1.98683@:4.2445@:0.31517@:
s0solFunk@} [138]( echo ./out/feta-noteheads26.tfm:  > out/feta-noteheads26.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-noteheads26.mf;" 

@{char@:Half Funk solhead@:139@:0@:4.2445@:1.98683@:1.98683@:4.2445@:0.31517@:s
1solFunk@} [139]
@{char@:Quarter Funk solhead@:140@:0@:4.2445@:1.98683@:1.98683@:4.2445@:0.31517
@:s2solFunk@} [140]
@{char@:Whole Funk lahead@:141@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0laF
unk@} [141]
@{char@:Half Funk lahead@:142@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s1laFu
nk@} [142]
@{char@:Quarter Funk lahead@:143@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s2l
aFunk@} [143]
@{char@:Whole up Funk tihead@:144@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
tiFunk@} [144]
@{char@:Quarter trianglehead (upstem)@:46@:0@:6.96799@:3.94562@:3.30887@:6.968@
:0.63673@:u2triangle@} [46
@{char@:Whole down Funk tihead@:145@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0tiFunk@} [145]]
@{char@:Half up Funk tihead@:146@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1t
iFunk@} [146]
@{char@:Half down Funk tihead@:147@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1tiFunk@} [147]
@{char@:Quarter up Funk tihead@:148@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2tiFunk@} [148]
@{char@:Quarter down Funk tihead@:149@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2tiFunk@} [149]
@{char@:Whole Walker dohead@:150@:0@:4.39587@:1.98683@:1.98683@:2.52135@:1.6038
7@:s0doWalker@} [150]
@{char@:Half up Walker dohead@:151@:0@:4.39587@:1.98683@:1.98683@:2.52135@:1.60
387@:u1doWalker@} [151]
@{char@:Half down Walker dohead@:152@:0@:4.39587@:1.98683@:1.98683@:2.52135@:1.
60387@:d1doWalker@} [152]
@{char@:Quarter up Walker dohead@:153@:0@:4.39587@:1.98683@:1.98683@:2.52135@:1
.60387@:u2doWalker@} [153]
@{char@:Quarter down Walker dohead@:154@:0@:4.39587@:1.98683@:1.98683@:2.52135@
:1.60387@:d2doWalker@} [154]
@{char@:Whole Walker rehead@:155@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0r
eWalker@} [155]
@{char@:Half up Walker rehead@:156@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u
1reWalker@} [156]
@{char@:Quarter trianglehead (downstem)@:47@:0@:6.96799@:3.94562@:3.30887@:5.86
513@:3.44557@:d2triangle@} [47]
@{char@:Half down Walker rehead@:157@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@
:d1reWalker@} [157]
@{char@:Whole slashhead@:48@:0@:15.07648@:5.25003@:5.25003@:15.07648@:5.25003@:
s0slash@} [48]
@{char@:Quarter up Walker rehead@:158@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:u2reWalker@} [158
@{char@:Half slashhead@:49@:0@:11.72646@:5.25003@:5.25003@:11.72646@:5.25003@:s
1slash@} [49]]
@{char@:Quarter slashhead@:50@:0@:8.5765@:5.25003@:5.25003@:8.5765@:5.25003@:s2
slash@} [50]
@{char@:Quarter down Walker rehead@:159@:0@:4.39587@:1.98683@:1.98683@:4.39587@
:0@:d2reWalker@} [159]
@{char@:Whole Walker mihead@:160@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s0m
iWalker@} [160]
@{char@:Whole Crossed notehead@:51@:0@:8.58107@:3.00005@:3.00005@:8.58107@:1.58
21@:s0cross@} [51]
@{char@:Half Walker mihead@:161@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s1mi
Walker@} [161]
@{char@:Half Crossed notehead@:52@:0@:7.58098@:2.87505@:2.87505@:7.58098@:1.650
86@:s1cross@} [52]
@{char@:Quarter Walker mihead@:162@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s
2miWalker@} [162]
@{char@:Crossed notehead@:53@:0@:6.58089@:2.75003@:2.75003@:6.58089@:2.12648@:s
2cross@} [53]
@{char@:Whole Walker fahead@:163@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0f
aWalker@} [163]
@{char@:X-Circled notehead@:54@:0@:7.82605@:3.27036@:3.27036@:7.82605@:0@:s2xci
rcle@} [54]
@{char@:Half up Walker fahead@:164@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u
1faWalker@} [164]
@{char@:Half down Walker fahead@:165@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@
:d1faWalker@} [165]
@{char@:Whole dohead@:55@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:s0do
@} [55]
@{char@:Quarter up Walker fahead@:166@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:u2faWalker@} [166]
@{char@:Half dohead@:56@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995@:d1do@}
[56]
@{char@:Quarter down Walker fahead@:167@:0@:4.39587@:1.98683@:1.98683@:4.39587@
:0@:d2faWalker@} [167]
@{char@:Half dohead@:57@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:u1do@
} [57]
@{char@:Whole Walker lahead@:168@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0l
aWalker@} [168]
@{char@:Half Funk lahead@:169@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s1laWa
lker@} [169]
@{char@:Quarter dohead@:58@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995@:d2d
o@} [58]
@{char@:Quarter Funk lahead@:170@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s2l
aWalker@} [170]
@{char@:Quarter dohead@:59@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:u2
do@} [59]
@{char@:Whole Walker tihead@:171@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0t
iWalker@} [171]
@{char@:Whole thin dohead@:60@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@
:s0doThin@} [60]
@{char@:Half up Walker tihead@:172@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u
1tiWalker@} [172]
@{char@:Half thin dohead@:61@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995@:d
1doThin@} [61]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Half down Walker tihead@:173@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@
:d1tiWalker@} [173]
@{char@:Half thin dohead@:62@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:
u1doThin@} [62]
@{char@:Quarter up Walker tihead@:174@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:u2tiWalker@} [174
@{char@:Quarter thin dohead@:63@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995
@:d2doThin@} [63]]
@{char@:Quarter thin dohead@:64@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.9999
5@:u2doThin@} [64]
@{char@:Quarter down Walker tihead@:175@:0@:4.39587@:1.98683@:1.98683@:4.39587@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{char@:Whole rehead@:65@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:s0re@
} [65]
@{parameter@:staffsize@:17.82@}
@{parameter@:stafflinethickness@:0.48134@}
@{parameter@:staff_space@:4.455@}
@{parameter@:linethickness@:0.48134@}
@{parameter@:black_notehead_width@:5.86116@}
@{parameter@:ledgerlinethickness@:0.96268@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:Half up rehead@:66@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:u1r
e@} [66]
@{char@:Half down rehead@:67@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.89998@:
d1re@} [67]
@{char@:Quarter up rehead@:68@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:
u2re@} [68]
@{char@:Quarter down rehead@:69@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.8999
8@:d2re@} [69] )
Font metrics written on feta-noteheads18.tfm.
Output written on feta-noteheads18.600gf (143 characters, 18124 bytes).
Transcript written on feta-noteheads18.log.

@{char@:Whole thin rehead@:70@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:
s0reThin@} [70]
@{char@:Half up thin rehead@:71@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998
@:u1reThin@} [71]
@{char@:Half down thin rehead@:72@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.89
998@:d1reThin@} [72]
@{char@:Quarter thin rehead@:73@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998
@:u2reThin@} [73]
@{char@:Quarter thin rehead@:74@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.8999
8@:d2reThin@} [74]
(feta-noteheads23.mf
@{char@:Whole mihead@:75@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s0mi@}
[75] (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-noteheads-generic.mf
@{char@:Half mihead@:76@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s1mi@}
[76] (feta-macros.mf
@{char@:Quarter mihead@:77@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s2mi@}
[77]) (feta-params.mf
@{char@:Whole mirror mihead@:78@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s0mi
Mirror@} [78])
@{font@:GNU@:LilyPond@:feta@:22.45@:fetaMusic@}
(feta-noteheads.mf
@{char@:Half  mirror mihead@:79@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s1mi
Mirror@} [79]
@{char@:Quarter mirror mihead@:80@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s2
miMirror@} [80]
@{char@:Whole thin mihead@:81@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s0miTh
in@} [81]
@{char@:Half thin mihead@:82@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s1miThi
n@} [82]
@{char@:Quarter thin mihead@:83@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s2mi
Thin@} [83]
@{char@:Whole fa up head@:84@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u0fa@}
[84]
@{char@:Whole fa down head@:85@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d0fa@
} [85]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:1.04214@:12.0826@:3.92874@:19.7241@:12.0826@:0@:uM2
@} [33]
@{char@:half fa up head@:86@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u1fa@}
[86]
@{char@:Half fa down head@:87@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d1fa@}
[87]
@{char@:Longa notehead@:34@:1.04214@:12.0826@:19.7241@:3.92874@:12.0826@:0@:dM2
@} [34]
@{char@:Quarter fa up head@:88@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u2fa@
} [88]
@{char@:Quarter fa down head@:89@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d2f
a@} [89]
@{char@:Whole thin fa up head@:90@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u0
faThin@} [90]
@{char@:Brevis notehead@:35@:1.04214@:12.0826@:3.92874@:3.92874@:12.0826@:0@:sM
1@} [35]
@{char@:Whole thin fa down head@:91@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:
d0faThin@} [91]mv feta-noteheads18.log feta-noteheads18.tfm ./out

@{char@:half thin fa up head@:92@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u1f
aThin@} [92]
@{char@:Half thin fa down head@:93@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d
1faThin@} [93]
@{char@:Double-lined brevis notehead@:36@:2.30983@:13.35028@:3.92874@:3.92874@:
13.35028@:0@:sM1double@} [36]
@{char@:Quarter thin fa up head@:94@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:
u2faThin@} [94]
@{char@:Whole notehead@:37@:0@:11.18692@:3.06679@:3.06679@:11.18692@:0@:s0@}
[37]
@{char@:Quarter thin fa down head@:95@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0
@:d2faThin@} [95]
@{char@:Half notehead@:38@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s1@}
[38]
@{char@:Whole solhead@:96@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s0so
l@} [96]
@{char@:Quarter notehead@:39@:0@:7.3881@:3.06679@:3.06679@:7.3881@:1.08601@:s2@
} [39]
@{char@:Half solhead@:97@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s1sol
@} [97]
@{char@:Whole diamondhead@:40@:0@:11.04045@:3.06679@:3.06679@:11.04045@:0@:s0di
amond@} [40]
@{char@:Quarter solhead@:98@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s2
sol@} [98]
@{char@:Half diamondhead@:41@:0@:8.12254@:3.06679@:3.06679@:8.12254@:2.16812@:s
1diamond@} [41]
@{char@:Whole lahead@:99@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s0la@}
[99]
@{char@:Quarter diamondhead@:42@:0@:8.22453@:3.06679@:3.06679@:8.22453@:2.20944
@:s2diamond@} [42]
@{char@:Half lahead@:100@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s1la@}
[100]
@{char@:Quarter lahead@:101@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s2la@}
[101]
@{char@:Whole thin lahead@:102@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s0laT
hin@} [102]
@{char@:Half thin lahead@:103@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s1laTh
in@} [103]
@{char@:Quarter lahead@:104@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s2laThin
@} [104]
@{char@:Whole up tihead@:105@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.62999@:s
0ti@} [105]
@{char@:Half up tihead@:106@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.62999@:u1
ti@} [106]
@{char@:Half down tihead@:107@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.62999@
:d1ti@} [107]
@{char@:Quarter up tihead@:108@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.62999@
:u2ti@} [108]
@{char@:Quarter down tihead@:109@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.629
99@:d2ti@} [109]
@{char@:Whole thin up tihead@:110@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.629
99@:s0tiThin@} [110]
@{char@:Half thin up tihead@:111@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.6299
9@:u1tiThin@} [111]
@{char@:Half thin down tihead@:112@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.6
2999@:d1tiThin@} [112]
@{char@:Quarter thin up tihead@:113@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.6
2999@:u2tiThin@} [113]
@{char@:Whole trianglehead@:43@:0@:12.85443@:4.86397@:4.0651@:12.85445@:0.79886
@:s0triangle@} [43]
@{char@:Quarter thin down tihead@:114@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-
0.62999@:d2tiThin@} [114]
@{char@:Whole up Funk dohead@:115@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
doFunk@} [115]
@{char@:Whole down Funk dohead@:116@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0doFunk@} [116]
@{char@:Half up Funk dohead@:117@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1d
oFunk@} [117]
@{char@:Half down Funk dohead@:118@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1doFunk@} [118]
@{char@:Quarter up Funk dohead@:119@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2doFunk@} [119]
@{char@:Quarter down Funk dohead@:120@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2doFunk@} [120]
@{char@:Whole up Funk rehead@:121@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
reFunk@} [121]
@{char@:Whole down Funk rehead@:122@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0reFunk@} [122]
@{char@:Half up Funk rehead@:123@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1r
eFunk@} [123]
@{char@:Half down Funk rehead@:124@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1reFunk@} [124]
@{char@:Quarter up Funk rehead@:125@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2reFunk@} [125]
@{char@:Quarter down Funk rehead@:126@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2reFunk@} [126]
@{char@:Half trianglehead (downstem)@:44@:0@:9.28519@:4.38365@:3.67355@:7.80933
@:3.84247@:d1triangle@} [44]
@{char@:Whole up Funk mihead@:127@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:u0
miFunk@} [127]
@{char@:Whole down Funk mihead@:128@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:
d0miFunk@} [128]
@{char@:Half up Funk mihead@:129@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:u1m
iFunk@} [129]
@{char@:Half down Funk mihead@:130@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:d
1miFunk@} [130]
@{char@:Quarter Funk mihead@:131@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s2m
iFunk@} [131]
@{char@:Whole up Funk fahead@:132@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
faFunk@} [132]
@{char@:Whole down Funk fahead@:133@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0faFunk@} [133]
@{char@:Half up Funk fahead@:134@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1f
aFunk@} [134]
@{char@:Half down Funk fahead@:135@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1faFunk@} [135]
@{char@:Quarter up Funk fahead@:136@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2faFunk@} [136]
@{char@:Quarter down Funk fahead@:137@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2faFunk@} [137]
@{char@:Whole Funk solhead@:138@:0@:4.80666@:2.24998@:2.24998@:4.80666@:0.35692
@:s0solFunk@} [138]
@{char@:Half trianglehead (upstem)@:45@:0@:9.28519@:4.38365@:3.67355@:9.2852@:0
.71008@:u1triangle@} [45]
@{char@:Half Funk solhead@:139@:0@:4.80666@:2.24998@:2.24998@:4.80666@:0.35692@
:s1solFunk@} [139]
@{char@:Quarter Funk solhead@:140@:0@:4.80666@:2.24998@:2.24998@:4.80666@:0.356
92@:s2solFunk@} [140]
@{char@:Whole Funk lahead@:141@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0laF
unk@} [141]
@{char@:Half Funk lahead@:142@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s1laFu
nk@} [142]
@{char@:Quarter Funk lahead@:143@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s2l
aFunk@} [143]
@{char@:Whole up Funk tihead@:144@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
tiFunk@} [144]
@{char@:Whole down Funk tihead@:145@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0tiFunk@} [145]
@{char@:Half up Funk tihead@:146@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1t
iFunk@} [146]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Half down Funk tihead@:147@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1tiFunk@} [147]
@{char@:Quarter up Funk tihead@:148@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2tiFunk@} [148]
@{char@:Quarter down Funk tihead@:149@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2tiFunk@} [149]
@{char@:Whole Walker dohead@:150@:0@:4.93567@:2.24998@:2.24998@:2.81636@:1.9743
7@:s0doWalker@} [150]
@{char@:Half up Walker dohead@:151@:0@:4.93567@:2.24998@:2.24998@:2.81636@:1.97
437@:u1doWalker@} [151]
@{char@:Quarter trianglehead (upstem)@:46@:0@:7.73769@:4.38365@:3.67355@:7.7377
@:0.71008@:u2triangle@} [46]
@{char@:Half down Walker dohead@:152@:0@:4.93567@:2.24998@:2.24998@:2.81636@:1.
97437@:d1doWalker@} [152]
@{char@:Quarter up Walker dohead@:153@:0@:4.93567@:2.24998@:2.24998@:2.81636@:1
.97437@:u2doWalker@} [153]
@{char@:Quarter down Walker dohead@:154@:0@:4.93567@:2.24998@:2.24998@:2.81636@
:1.97437@:d2doWalker@} [154]
@{char@:Whole Walker rehead@:155@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0r
eWalker@} [155]
@{char@:Half up Walker rehead@:156@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u
1reWalker@} [156]
@{char@:Half down Walker rehead@:157@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@
:d1reWalker@} [157]
@{char@:Quarter up Walker rehead@:158@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:u2reWalker@} [158]
@{char@:Quarter down Walker rehead@:159@:0@:4.93567@:2.24998@:2.24998@:4.93567@
:0@:d2reWalker@} [159]
@{char@:Whole Walker mihead@:160@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s0m
iWalker@} [160]
@{char@:Half Walker mihead@:161@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s1mi
Walker@} [161]
@{char@:Quarter Walker mihead@:162@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s
2miWalker@} [162]
@{char@:Quarter trianglehead (downstem)@:47@:0@:7.73769@:4.38365@:3.67355@:6.50
78@:3.84247@:d2triangle@} [47]
@{char@:Whole Walker fahead@:163@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0f
aWalker@} [163]
@{char@:Whole slashhead@:48@:0@:16.89977@:5.87305@:5.87305@:16.89977@:5.87305@:
s0slash@} [48]
@{char@:Half up Walker fahead@:164@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u
1faWalker@} [164]
@{char@:Half slashhead@:49@:0@:13.13934@:5.87305@:5.87305@:13.13934@:5.87305@:s
1slash@} [49]
@{char@:Half down Walker fahead@:165@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@
:d1faWalker@} [165]
@{char@:Quarter slashhead@:50@:0@:9.6035@:5.87305@:5.87305@:9.6035@:5.87305@:s2
slash@} [50]
@{char@:Quarter up Walker fahead@:166@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:u2faWalker@} [166]
@{char@:Quarter down Walker fahead@:167@:0@:4.93567@:2.24998@:2.24998@:4.93567@
:0@:d2faWalker@} [167]
@{char@:Whole Crossed notehead@:51@:0@:9.4724@:3.32733@:3.32733@:9.4724@:2.7495
@:s0cross@} [51]
@{char@:Whole Walker lahead@:168@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0l
aWalker@} [168]
@{char@:Half Funk lahead@:169@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s1laWa
lker@} [169]
@{char@:Quarter Funk lahead@:170@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s2l
aWalker@} [170
@{char@:Half Crossed notehead@:52@:0@:8.43025@:3.19707@:3.19707@:8.43025@:2.850
75@:s1cross@} [52]]
@{char@:Whole Walker tihead@:171@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0t
iWalker@} [171]
@{char@:Crossed notehead@:53@:0@:7.3881@:3.06679@:3.06679@:7.3881@:3.262@:s2cro
ss@} [53]
@{char@:Half up Walker tihead@:172@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u
1tiWalker@} [172]
@{char@:X-Circled notehead@:54@:0@:8.78601@:3.64705@:3.64705@:8.78601@:0@:s2xci
rcle@} [54]
@{char@:Half down Walker tihead@:173@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@
:d1tiWalker@} [173]
@{char@:Whole dohead@:55@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:s0do@}
[55]
@{char@:Quarter up Walker tihead@:174@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:u2tiWalker@} [174]
@{char@:Half dohead@:56@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:d1do@}
[56]
@{char@:Quarter down Walker tihead@:175@:0@:4.93567@:2.24998@:2.24998@:4.93567@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:20@}
@{parameter@:stafflinethickness@:0.50005@}
@{parameter@:staff_space@:5@}
@{parameter@:linethickness@:0.50005@}
@{parameter@:black_notehead_width@:6.58089@}
@{parameter@:ledgerlinethickness@:1.00009@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:Half dohead@:57@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:u1do@}
[57]
@{char@:Quarter dohead@:58@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:d2do@
} [58]
@{char@:Quarter dohead@:59@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:u2do
@} [59]
@{char@:Whole thin dohead@:60@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:s
0doThin@} [60] )
Font metrics written on feta-noteheads20.tfm.
Output written on feta-noteheads20.600gf (143 characters, 20796 bytes).
Transcript written on feta-noteheads20.log.
rm -f feta-noteheads18.*gf  feta-noteheads18.*pk

@{char@:Half thin dohead@:61@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:d1d
oThin@} [61]( echo ./out/feta-flags11.tfm:  > out/feta-flags11.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-flags11.mf;" 

@{char@:Half thin dohead@:62@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:u1
doThin@} [62]
@{char@:Quarter thin dohead@:63@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:
d2doThin@} [63]
@{char@:Quarter thin dohead@:64@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@
:u2doThin@} [64]
(feta-noteheads26.mf (feta-autometric.mf
@{char@:Whole rehead@:65@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:s0re@}
[65]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-noteheads-generic.mf
@{char@:Half up rehead@:66@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:u1re@
} [66] (feta-macros.mf
@{char@:Half down rehead@:67@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.01826@:d1
re@} [67]
@{char@:Quarter up rehead@:68@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:u2
re@} [68]) (feta-params.mf
@{char@:Quarter down rehead@:69@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.01826@
:d2re@} [69]
@{char@:Whole thin rehead@:70@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:s0
reThin@} [70])
@{font@:GNU@:LilyPond@:feta@:25.2@:fetaMusic@}
(feta-noteheads.mf
@{char@:Half up thin rehead@:71@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:
u1reThin@} [71]
@{char@:Half down thin rehead@:72@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.0182
6@:d1reThin@} [72]
@{char@:Quarter thin rehead@:73@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:
u2reThin@} [73]
@{char@:Quarter thin rehead@:74@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.01826@
:d2reThin@} [74]
@{char@:Whole mihead@:75@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s0mi@}
[75]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:1.08932@:13.40974@:4.40999@:22.22067@:13.40974@:0@:
uM2@} [33]
@{char@:Half mihead@:76@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s1mi@}
[76]
@{char@:Quarter mihead@:77@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s2mi@}
[77]
@{char@:Longa notehead@:34@:1.08932@:13.40974@:22.22067@:4.40999@:13.40974@:0@:
dM2@} [34]
@{char@:Whole mirror mihead@:78@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s0miMi
rror@} [78]
@{char@:Half  mirror mihead@:79@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s1miMi
rror@} [79]
@{char@:Brevis notehead@:35@:1.08932@:13.40974@:4.40999@:4.40999@:13.40974@:0@:
sM1@} [35]
@{char@:Quarter mirror mihead@:80@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s2mi
Mirror@} [80]
@{char@:Whole thin mihead@:81@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s0miThin
@} [81]
@{char@:Double-lined brevis notehead@:36@:2.39522@:14.71564@:4.40999@:4.40999@:
14.71564@:0@:sM1double@} [36]
@{char@:Half thin mihead@:82@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s1miThin@
} [82]
@{char@:Whole notehead@:37@:0@:12.62956@:3.42233@:3.42233@:12.62956@:0@:s0@}
[37]
@{char@:Quarter thin mihead@:83@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s2miTh
in@} [83]
@{char@:Half notehead@:38@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s1@}
[38]
@{char@:Whole fa up head@:84@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u0fa@}
[84]
@{char@:Quarter notehead@:39@:0@:8.29259@:3.42233@:3.42233@:8.29259@:1.24934@:s
2@} [39]
@{char@:Whole fa down head@:85@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d0fa@}
[85]
@{char@:Whole diamondhead@:40@:0@:12.32042@:3.42233@:3.42233@:12.32042@:0@:s0di
amond@} [40]
@{char@:half fa up head@:86@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u1fa@}
[86]
@{char@:Half diamondhead@:41@:0@:9.06424@:3.42233@:3.42233@:9.06424@:2.41948@:s
1diamond@} [41]
@{char@:Half fa down head@:87@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d1fa@}
[87]
@{char@:Quarter diamondhead@:42@:0@:9.17807@:3.42233@:3.42233@:9.17807@:2.4656@
:s2diamond@} [42]
@{char@:Quarter fa up head@:88@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u2fa@}
[88]
@{char@:Quarter fa down head@:89@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d2fa@
} [89]
@{char@:Whole thin fa up head@:90@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u0fa
Thin@} [90]
@{char@:Whole thin fa down head@:91@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d0
faThin@} [91]
@{char@:half thin fa up head@:92@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u1faT
hin@} [92]
@{char@:Half thin fa down head@:93@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d1f
aThin@} [93]
@{char@:Quarter thin fa up head@:94@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u2
faThin@} [94]
@{char@:Quarter thin fa down head@:95@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:
d2faThin@} [95]
@{char@:Whole solhead@:96@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s0so
l@} [96]
@{char@:Half solhead@:97@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s1sol
@} [97]
@{char@:Quarter solhead@:98@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s2
sol@} [98]
@{char@:Whole lahead@:99@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s0la@}
[99]
@{char@:Half lahead@:100@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s1la@}
[100
@{char@:Whole trianglehead@:43@:0@:14.29497@:5.41129@:4.5198@:14.29498@:0.89146
@:s0triangle@} [43]]
@{char@:Quarter lahead@:101@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s2la@}
[101]
@{char@:Whole thin lahead@:102@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s0laThi
n@} [102]
@{char@:Half thin lahead@:103@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s1laThin
@} [103]
@{char@:Quarter lahead@:104@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s2laThin@}
[104]
@{char@:Whole up tihead@:105@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:s0ti
@} [105]mv feta-noteheads20.log feta-noteheads20.tfm ./out

@{char@:Half up tihead@:106@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:u1ti@
} [106]
@{char@:Half down tihead@:107@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.7128@:d1
ti@} [107]
@{char@:Quarter up tihead@:108@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:u2
ti@} [108]
@{char@:Quarter down tihead@:109@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.7128@
:d2ti@} [109]
@{char@:Whole thin up tihead@:110@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@
:s0tiThin@} [110]
@{char@:Half thin up tihead@:111@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:
u1tiThin@} [111]
@{char@:Half thin down tihead@:112@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.712
8@:d1tiThin@} [112]
@{char@:Quarter thin up tihead@:113@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.712
8@:u2tiThin@} [113]
@{char@:Half trianglehead (downstem)@:44@:0@:10.32191@:4.87529@:4.08287@:8.6749
1@:4.28793@:d1triangle@} [44]
@{char@:Quarter thin down tihead@:114@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.
7128@:d2tiThin@} [114]
@{char@:Whole up Funk dohead@:115@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
doFunk@} [115]
@{char@:Whole down Funk dohead@:116@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0doFunk@} [116]
@{char@:Half up Funk dohead@:117@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1d
oFunk@} [117]
@{char@:Half down Funk dohead@:118@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1doFunk@} [118]
@{char@:Quarter up Funk dohead@:119@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2doFunk@} [119]
@{char@:Quarter down Funk dohead@:120@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2doFunk@} [120]
@{char@:Whole up Funk rehead@:121@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
reFunk@} [121]
@{char@:Whole down Funk rehead@:122@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0reFunk@} [122]
@{char@:Half up Funk rehead@:123@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1r
eFunk@} [123]
@{char@:Half down Funk rehead@:124@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1reFunk@} [124]
@{char@:Quarter up Funk rehead@:125@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2reFunk@} [125]
@{char@:Quarter down Funk rehead@:126@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2reFunk@} [126]
@{char@:Half trianglehead (upstem)@:45@:0@:10.32191@:4.87529@:4.08287@:10.32191
@:0.79242@:u1triangle@} [45]
@{char@:Whole up Funk mihead@:127@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:u0
miFunk@} [127]
@{char@:Whole down Funk mihead@:128@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:
d0miFunk@} [128]
@{char@:Half up Funk mihead@:129@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:u1m
iFunk@} [129]
@{char@:Half down Funk mihead@:130@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:d
1miFunk@} [130]
@{char@:Quarter Funk mihead@:131@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s2m
iFunk@} [131]
@{char@:Whole up Funk fahead@:132@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
faFunk@} [132]
@{char@:Whole down Funk fahead@:133@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0faFunk@} [133]
@{char@:Half up Funk fahead@:134@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1f
aFunk@} [134]
@{char@:Half down Funk fahead@:135@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1faFunk@} [135]
@{char@:Quarter up Funk fahead@:136@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2faFunk@} [136]
@{char@:Quarter down Funk fahead@:137@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2faFunk@} [137]
@{char@:Quarter trianglehead (upstem)@:46@:0@:8.60161@:4.87529@:4.08287@:8.6016
2@:0.79242@:u2triangle@} [46]
@{char@:Whole Funk solhead@:138@:0@:5.43845@:2.54572@:2.54572@:5.43845@:0.40382
@:s0solFunk@} [138]
@{char@:Half Funk solhead@:139@:0@:5.43845@:2.54572@:2.54572@:5.43845@:0.40382@
:s1solFunk@} [139]
@{char@:Quarter Funk solhead@:140@:0@:5.43845@:2.54572@:2.54572@:5.43845@:0.403
82@:s2solFunk@} [140]
@{char@:Whole Funk lahead@:141@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0laF
unk@} [141]
@{char@:Half Funk lahead@:142@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s1laFu
nk@} [142]
@{char@:Quarter Funk lahead@:143@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s2l
aFunk@} [143]
@{char@:Whole up Funk tihead@:144@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
tiFunk@} [144]rm -f feta-noteheads20.*gf  feta-noteheads20.*pk

@{char@:Whole down Funk tihead@:145@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0tiFunk@} [145]( echo ./out/feta-flags13.tfm:  > out/feta-flags13.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-flags13.mf;" 

@{char@:Half up Funk tihead@:146@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1t
iFunk@} [146]
@{char@:Half down Funk tihead@:147@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1tiFunk@} [147]
@{char@:Quarter up Funk tihead@:148@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2tiFunk@} [148]
@{char@:Quarter down Funk tihead@:149@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2tiFunk@} [149]
@{char@:Quarter trianglehead (downstem)@:47@:0@:8.60161@:4.87529@:4.08287@:7.22
911@:4.28793@:d2triangle@} [47]
@{char@:Whole Walker dohead@:150@:0@:5.54108@:2.54572@:2.54572@:3.12418@:2.1681
5@:s0doWalker@} [150]
@{char@:Whole slashhead@:48@:0@:18.94615@:6.57234@:6.57234@:18.94615@:6.57234@:
s0slash@} [48]
@{char@:Half up Walker dohead@:151@:0@:5.54108@:2.54572@:2.54572@:3.12418@:2.16
815@:u1doWalker@} [151]
@{char@:Half slashhead@:49@:0@:14.72511@:6.57234@:6.57234@:14.72511@:6.57234@:s
1slash@} [49]
@{char@:Half down Walker dohead@:152@:0@:5.54108@:2.54572@:2.54572@:3.12418@:2.
16815@:d1doWalker@} [152]
@{char@:Quarter slashhead@:50@:0@:10.75616@:6.57234@:6.57234@:10.75616@:6.57234
@:s2slash@} [50]
@{char@:Quarter up Walker dohead@:153@:0@:5.54108@:2.54572@:2.54572@:3.12418@:2
.16815@:u2doWalker@} [153]
@{char@:Quarter down Walker dohead@:154@:0@:5.54108@:2.54572@:2.54572@:3.12418@
:2.16815@:d2doWalker@} [154]
@{char@:Whole Crossed notehead@:51@:0@:10.47124@:3.69467@:3.69467@:10.47124@:3.
05093@:s0cross@} [51]
@{char@:Whole Walker rehead@:155@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0r
eWalker@} [155]
@{char@:Half Crossed notehead@:52@:0@:9.38191@:3.5585@:3.5585@:9.38191@:3.14888
@:s1cross@} [52]
@{char@:Half up Walker rehead@:156@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u
1reWalker@} [156]
@{char@:Crossed notehead@:53@:0@:8.29259@:3.42233@:3.42233@:8.29259@:3.57216@:s
2cross@} [53]
@{char@:Half down Walker rehead@:157@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@
:d1reWalker@} [157]
@{char@:X-Circled notehead@:54@:0@:9.86162@:4.06987@:4.06987@:9.86162@:0@:s2xci
rcle@} [54]
@{char@:Quarter up Walker rehead@:158@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:u2reWalker@} [158]
@{char@:Whole dohead@:55@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:s0do
@} [55]
@{char@:Quarter down Walker rehead@:159@:0@:5.54108@:2.54572@:2.54572@:5.54108@
:0@:d2reWalker@} [159]
@{char@:Half dohead@:56@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533@:d1do@}
[56]
@{char@:Whole Walker mihead@:160@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s0m
iWalker@} [160]
@{char@:Half dohead@:57@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:u1do@
} [57]
@{char@:Half Walker mihead@:161@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s1mi
Walker@} [161]
@{char@:Quarter dohead@:58@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533@:d2d
o@} [58]
@{char@:Quarter Walker mihead@:162@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s
2miWalker@} [162]
@{char@:Quarter dohead@:59@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:u2
do@} [59]
@{char@:Whole Walker fahead@:163@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0f
aWalker@} [163]
@{char@:Whole thin dohead@:60@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@
:s0doThin@} [60]
@{char@:Half up Walker fahead@:164@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u
1faWalker@} [164]
@{char@:Half thin dohead@:61@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533@:d
1doThin@} [61]
@{char@:Half down Walker fahead@:165@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@
:d1faWalker@} [165]
@{char@:Half thin dohead@:62@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:
u1doThin@} [62]
@{char@:Quarter up Walker fahead@:166@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:u2faWalker@} [166]
@{char@:Quarter thin dohead@:63@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533
@:d2doThin@} [63]
@{char@:Quarter down Walker fahead@:167@:0@:5.54108@:2.54572@:2.54572@:5.54108@
:0@:d2faWalker@} [167]
@{char@:Quarter thin dohead@:64@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.6053
3@:u2doThin@} [64]
@{char@:Whole Walker lahead@:168@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0l
aWalker@} [168]
@{char@:Half Funk lahead@:169@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s1laWa
lker@} [169]
@{char@:Whole rehead@:65@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:s0re@
} [65]
@{char@:Quarter Funk lahead@:170@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s2l
aWalker@} [170]
@{char@:Half up rehead@:66@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:u1r
e@} [66]
@{char@:Half down rehead@:67@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.15105@:
d1re@} [67]
@{char@:Whole Walker tihead@:171@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0t
iWalker@} [171]
@{char@:Quarter up rehead@:68@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:
u2re@} [68]
@{char@:Half up Walker tihead@:172@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u
1tiWalker@} [172]
@{char@:Quarter down rehead@:69@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.1510
5@:d2re@} [69This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
]
@{char@:Half down Walker tihead@:173@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@
:d1tiWalker@} [173
@{char@:Whole thin rehead@:70@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:
s0reThin@} [70]]
@{char@:Half up thin rehead@:71@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105
@:u1reThin@} [71]
@{char@:Quarter up Walker tihead@:174@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:u2tiWalker@} [174]
@{char@:Half down thin rehead@:72@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.15
105@:d1reThin@} [72]
@{char@:Quarter down Walker tihead@:175@:0@:5.54108@:2.54572@:2.54572@:5.54108@
:0@:d2tiWalker@} [175]
@{char@:Quarter thin rehead@:73@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105
@:u2reThin@} [73]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:22.45@}
@{parameter@:stafflinethickness@:0.52107@}
@{parameter@:staff_space@:5.6125@}
@{parameter@:linethickness@:0.52107@}
@{parameter@:black_notehead_width@:7.3881@}
@{parameter@:ledgerlinethickness@:1.04214@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:Quarter thin rehead@:74@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.1510
5@:d2reThin@} [74]
@{char@:Whole mihead@:75@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s0mi@}
[75]
@{char@:Half mihead@:76@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s1mi@}
[76]
@{char@:Quarter mihead@:77@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s2mi@}
[77]
@{char@:Whole mirror mihead@:78@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s0mi
Mirror@} [78]
@{char@:Half  mirror mihead@:79@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s1mi
Mirror@} [79]
@{char@:Quarter mirror mihead@:80@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s2
miMirror@} [80]
@{char@:Whole thin mihead@:81@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s0miTh
in@} [81]
@{char@:Half thin mihead@:82@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s1miThi
n@} [82]
(feta-flags11.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Quarter thin mihead@:83@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s2mi
Thin@} [83] (feta-flags-generic.mf (feta-macros.mf
@{char@:Whole fa up head@:84@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u0fa@}
[84] )
Font metrics written on feta-noteheads23.tfm.
Output written on feta-noteheads23.600gf (143 characters, 22956 bytes).
Transcript written on feta-noteheads23.log.

@{char@:Whole fa down head@:85@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d0fa@
} [85]
@{char@:half fa up head@:86@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u1fa@}
[86])
@{char@:Half fa down head@:87@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d1fa@}
[87] (feta-params.mf
@{char@:Quarter fa up head@:88@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u2fa@
} [88]
@{char@:Quarter fa down head@:89@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d2f
a@} [89])
@{font@:GNU@:LilyPond@:feta@:11.22@:fetaMusic@}
(feta-flags.mf
@{char@:Whole thin fa up head@:90@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u0
faThin@} [90]
@{char@:Whole thin fa down head@:91@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:
d0faThin@} [91]
@{char@:half thin fa up head@:92@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u1f
aThin@} [92]
@{char@:Half thin fa down head@:93@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d
1faThin@} [93]
@{char@:Quarter thin fa up head@:94@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:
u2faThin@} [94]
@{char@:Quarter thin fa down head@:95@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0
@:d2faThin@} [95]
@{char@:Whole solhead@:96@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s0so
l@} [96]
@{char@:Half solhead@:97@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s1sol
@} [97]
@{char@:Quarter solhead@:98@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s2
sol@} [98]
@{char@:Whole lahead@:99@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s0la@}
[99]
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:2.62514@:8.55518@:0.27606@:2.62514@:0@:u3@}
[33]
@{char@:Half lahead@:100@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s1la@}
[100]
@{char@:Quarter lahead@:101@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s2la@}
[101]
@{char@:16th Flag (up)@:34@:0@:2.62514@:9.95769@:0.27606@:2.62514@:0@:u4@}
[34]
@{char@:Whole thin lahead@:102@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s0laT
hin@} [102]
@{char@:Half thin lahead@:103@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s1laTh
in@} [103]
@{char@:Quarter lahead@:104@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s2laThin
@} [104]
@{char@:32nd Flag (up)@:35@:0@:2.34908@:12.06143@:0.27606@:2.34908@:0@:u5@}
[35]
@{char@:Whole up tihead@:105@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.80574@:s
0ti@} [105]
@{char@:Half up tihead@:106@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.80574@:u1
ti@} [106]
@{char@:64th Flag (up)@:36@:0@:2.34908@:14.86644@:0.27606@:2.34908@:0@:u6@}
[36]
@{char@:Half down tihead@:107@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-0.80574@
:d1ti@} [107]
@{char@:Quarter up tihead@:108@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.80574@
:u2ti@} [108]
@{char@:128th Flag (up)@:37@:0@:2.34908@:17.67145@:0.27606@:2.34908@:0@:u7@}
[37]
@{char@:Quarter down tihead@:109@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-0.805
74@:d2ti@} [109]
@{char@:8th Flag (down)@:38@:0@:3.01974@:0.27606@:8.05392@:3.01974@:0@:d3@}
[38]
@{char@:Whole thin up tihead@:110@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.805
74@:s0tiThin@} [110]
@{char@:Half thin up tihead@:111@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.8057
4@:u1tiThin@} [111]
@{char@:16th Flag (down) 3@:39@:0@:3.01974@:0.27606@:8.55518@:3.01974@:0@:d4@}
[39]
@{char@:Half thin down tihead@:112@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-0.8
0574@:d1tiThin@} [112]
@{char@:32nd Flag (down)@:40@:0@:3.01974@:0.27606@:10.65894@:3.01974@:0@:d5@}
[40
@{char@:Quarter thin up tihead@:113@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.8
0574@:u2tiThin@} [113]]
@{char@:Quarter thin down tihead@:114@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-
0.80574@:d2tiThin@} [114]
@{char@:Whole up Funk dohead@:115@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
doFunk@} [115]
@{char@:64th Flag (down)@:41@:0@:3.01974@:0.27606@:12.7627@:3.01974@:0@:d6@}
[41]
@{char@:Whole down Funk dohead@:116@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0doFunk@} [116]
@{char@:Half up Funk dohead@:117@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1d
oFunk@} [117]
@{char@:Half down Funk dohead@:118@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1doFunk@} [118]
@{char@:Quarter up Funk dohead@:119@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2doFunk@} [119]
@{char@:128th Flag (down)@:42@:0@:3.01974@:0.27606@:15.5677@:3.01974@:0@:d7@}
[42
@{char@:Quarter down Funk dohead@:120@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2doFunk@} [120]]
@{char@:grace dash (up)@:43@:1.69133@:2.34908@:6.05882@:-2.80501@:2.34908@:0@:u
grace@} [43]
@{char@:Whole up Funk rehead@:121@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
reFunk@} [121
@{char@:grace dash (down)@:44@:2.17422@:3.01974@:-2.77698@:5.7559@:3.01974@:0@:
dgrace@} [44]]
@{puorg@:flags@}
)
@{parameter@:staffsize@:11.22@}
@{parameter@:stafflinethickness@:0.42471@}
@{parameter@:staff_space@:2.80501@}
@{parameter@:linethickness@:0.42471@}
@{parameter@:black_notehead_width@:3.66487@}
@{parameter@:ledgerlinethickness@:0.84943@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:Whole down Funk rehead@:122@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0reFunk@} [122]
@{char@:Half up Funk rehead@:123@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1r
eFunk@} [123]
@{char@:Half down Funk rehead@:124@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1reFunk@} [124] )
Font metrics written on feta-flags11.tfm.
Output written on feta-flags11.600gf (12 characters, 3656 bytes).
Transcript written on feta-flags11.log.

@{char@:Quarter up Funk rehead@:125@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2reFunk@} [125]
@{char@:Quarter down Funk rehead@:126@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2reFunk@} [126]
@{char@:Whole up Funk mihead@:127@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:u0
miFunk@} [127]
@{char@:Whole down Funk mihead@:128@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:
d0miFunk@} [128]mv feta-flags11.log feta-flags11.tfm ./out

@{char@:Half up Funk mihead@:129@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:u1m
iFunk@} [129]mv feta-noteheads23.log feta-noteheads23.tfm ./out

@{char@:Half down Funk mihead@:130@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:d
1miFunk@} [130]
@{char@:Quarter Funk mihead@:131@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s2m
iFunk@} [131]
@{char@:Whole up Funk fahead@:132@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
faFunk@} [132]
@{char@:Whole down Funk fahead@:133@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0faFunk@} [133]
@{char@:Half up Funk fahead@:134@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1f
aFunk@} [134]
@{char@:Half down Funk fahead@:135@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1faFunk@} [135]
@{char@:Quarter up Funk fahead@:136@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2faFunk@} [136]
@{char@:Quarter down Funk fahead@:137@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2faFunk@} [137]
@{char@:Whole Funk solhead@:138@:0@:6.14761@:2.87767@:2.87767@:6.14761@:0.45648
@:s0solFunk@} [138]
@{char@:Half Funk solhead@:139@:0@:6.14761@:2.87767@:2.87767@:6.14761@:0.45648@
:s1solFunk@} [139]
@{char@:Quarter Funk solhead@:140@:0@:6.14761@:2.87767@:2.87767@:6.14761@:0.456
48@:s2solFunk@} [140]
@{char@:Whole Funk lahead@:141@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0laF
unk@} [141]
@{char@:Half Funk lahead@:142@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s1laFu
nk@} [142]
@{char@:Quarter Funk lahead@:143@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s2l
aFunk@} [143]
@{char@:Whole up Funk tihead@:144@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
tiFunk@} [144]
@{char@:Whole down Funk tihead@:145@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0tiFunk@} [145]
@{char@:Half up Funk tihead@:146@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1t
iFunk@} [146]
@{char@:Half down Funk tihead@:147@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1tiFunk@} [147]
@{char@:Quarter up Funk tihead@:148@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2tiFunk@} [148]
@{char@:Quarter down Funk tihead@:149@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2tiFunk@} [149]
@{char@:Whole Walker dohead@:150@:0@:6.21944@:2.87767@:2.87767@:3.47604@:2.5115
7@:s0doWalker@} [150]
@{char@:Half up Walker dohead@:151@:0@:6.21944@:2.87767@:2.87767@:3.47604@:2.51
157@:u1doWalker@} [151]
@{char@:Half down Walker dohead@:152@:0@:6.21944@:2.87767@:2.87767@:3.47604@:2.
51157@:d1doWalker@} [152]
@{char@:Quarter up Walker dohead@:153@:0@:6.21944@:2.87767@:2.87767@:3.47604@:2
.51157@:u2doWalker@} [153]
@{char@:Quarter down Walker dohead@:154@:0@:6.21944@:2.87767@:2.87767@:3.47604@
:2.51157@:d2doWalker@} [154]
@{char@:Whole Walker rehead@:155@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0r
eWalker@} [155]
@{char@:Half up Walker rehead@:156@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u
1reWalker@} [156]
@{char@:Half down Walker rehead@:157@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@
:d1reWalker@} [157]
@{char@:Quarter up Walker rehead@:158@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:u2reWalker@} [158]
@{char@:Quarter down Walker rehead@:159@:0@:6.21944@:2.87767@:2.87767@:6.21944@
:0@:d2reWalker@} [159]
@{char@:Whole Walker mihead@:160@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s0m
iWalker@} [160]
@{char@:Half Walker mihead@:161@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s1mi
Walker@} [161]
@{char@:Quarter Walker mihead@:162@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s
2miWalker@} [162]
@{char@:Whole Walker fahead@:163@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0f
aWalker@} [163]
@{char@:Half up Walker fahead@:164@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u
1faWalker@} [164]
@{char@:Half down Walker fahead@:165@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@
:d1faWalker@} [165]
@{char@:Quarter up Walker fahead@:166@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:u2faWalker@} [166]
@{char@:Quarter down Walker fahead@:167@:0@:6.21944@:2.87767@:2.87767@:6.21944@
:0@:d2faWalker@} [167]
@{char@:Whole Walker lahead@:168@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0l
aWalker@} [168]
@{char@:Half Funk lahead@:169@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s1laWa
lker@} [169]
@{char@:Quarter Funk lahead@:170@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s2l
aWalker@} [170]
@{char@:Whole Walker tihead@:171@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0t
iWalker@} [171]
@{char@:Half up Walker tihead@:172@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u
1tiWalker@} [172]
@{char@:Half down Walker tihead@:173@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@
:d1tiWalker@} [173]
@{char@:Quarter up Walker tihead@:174@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:u2tiWalker@} [174]
@{char@:Quarter down Walker tihead@:175@:0@:6.21944@:2.87767@:2.87767@:6.21944@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:25.2@}
@{parameter@:stafflinethickness@:0.54466@}
@{parameter@:staff_space@:6.3@}
@{parameter@:linethickness@:0.54466@}
@{parameter@:black_notehead_width@:8.29259@}
@{parameter@:ledgerlinethickness@:1.08932@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-noteheads26.tfm.
Output written on feta-noteheads26.600gf (143 characters, 26580 bytes).
Transcript written on feta-noteheads26.log.
rm -f feta-noteheads23.*gf  feta-noteheads23.*pk
rm -f feta-flags11.*gf  feta-flags11.*pk
mv feta-noteheads26.log feta-noteheads26.tfm ./out
( echo ./out/feta-flags14.tfm:  > out/feta-flags14.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-flags14.mf;" 
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
rm -f feta-noteheads26.*gf  feta-noteheads26.*pk

(feta-flags13.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-flags-generic.mf (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:12.6@:fetaMusic@}
(feta-flags.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:2.92352@:9.60767@:0.28377@:2.92352@:0@:u3@}
[33]
@{char@:16th Flag (up)@:34@:0@:2.92352@:11.18268@:0.28377@:2.92352@:0@:u4@}
[34]
@{char@:32nd Flag (up)@:35@:0@:2.63976@:13.54518@:0.28377@:2.63976@:0@:u5@}
[35]
@{char@:64th Flag (up)@:36@:0@:2.63976@:16.69519@:0.28377@:2.63976@:0@:u6@}
[36]
@{char@:128th Flag (up)@:37@:0@:2.63976@:19.8452@:0.28377@:2.63976@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:3.39511@:0.28377@:9.02016@:3.39511@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:3.39511@:0.28377@:9.60767@:3.39511@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:3.39511@:0.28377@:11.97017@:3.39511@:0@:d5@}
[40]
@{char@:64th Flag (down)@:41@:0@:3.39511@:0.28377@:14.33269@:3.39511@:0@:d6@}
[41]
@{char@:128th Flag (down)@:42@:0@:3.39511@:0.28377@:17.4827@:3.39511@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:1.90062@:2.63976@:6.80403@:-3.15001@:2.63976@:0@:u
grace@} [43]
@{char@:grace dash (down)@:44@:2.44449@:3.39511@:-3.11853@:6.46384@:3.39511@:0@
:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:12.6@}
@{parameter@:stafflinethickness@:0.43655@}
@{parameter@:staff_space@:3.15001@}
@{parameter@:linethickness@:0.43655@}
@{parameter@:black_notehead_width@:4.12764@}
@{parameter@:ledgerlinethickness@:0.87311@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags13.tfm.
Output written on feta-flags13.600gf (12 characters, 4080 bytes).
Transcript written on feta-flags13.log.
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta-flags14.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-flags-generic.mf (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:14.14@:fetaMusic@}
(feta-flags.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:3.25458@:10.78217@:0.29236@:3.25458@:0@:u3@}
[33]mv feta-flags13.log feta-flags13.tfm ./out
( echo ./out/feta-flags16.tfm:  > out/feta-flags16.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-flags16.mf;" 

@{char@:16th Flag (up)@:34@:0@:3.25458@:12.54967@:0.29236@:3.25458@:0@:u4@}
[34]
@{char@:32nd Flag (up)@:35@:0@:2.96222@:15.20093@:0.29236@:2.96222@:0@:u5@}
[35]
@{char@:64th Flag (up)@:36@:0@:2.96222@:18.73593@:0.29236@:2.96222@:0@:u6@}
[36]
@{char@:128th Flag (up)@:37@:0@:2.96222@:22.27094@:0.29236@:2.96222@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:3.81155@:0.29236@:10.09842@:3.81155@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:3.81155@:0.29236@:10.78217@:3.81155@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:3.81155@:0.29236@:13.43343@:3.81155@:0@:d5@}
[40]
@{char@:64th Flag (down)@:41@:0@:3.81155@:0.29236@:16.08467@:3.81155@:0@:d6@}
[41]
@{char@:128th Flag (down)@:42@:0@:3.81155@:0.29236@:19.61967@:3.81155@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:2.1328@:2.96222@:7.63562@:-3.535@:2.96222@:0@:ugra
ce@} [43]
@{char@:grace dash (down)@:44@:2.74432@:3.81155@:-3.49968@:7.25386@:3.81155@:0@
:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:14.14@}
@{parameter@:stafflinethickness@:0.44977@}
@{parameter@:staff_space@:3.535@}
@{parameter@:linethickness@:0.44977@}
@{parameter@:black_notehead_width@:4.64114@}
@{parameter@:ledgerlinethickness@:0.89954@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags14.tfm.
Output written on feta-flags14.600gf (12 characters, 4524 bytes).
Transcript written on feta-flags14.log.
rm -f feta-flags13.*gf  feta-flags13.*pk
mv feta-flags14.log feta-flags14.tfm ./out
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta-flags16.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-flags-generic.mf (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:15.87@:fetaMusic@}
(feta-flags.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:3.62502@:12.10156@:0.302@:3.62502@:0@:u3@}
[33]
@{char@:16th Flag (up)@:34@:0@:3.62502@:14.08531@:0.302@:3.62502@:0@:u4@}
[34]rm -f feta-flags14.*gf  feta-flags14.*pk
( echo ./out/feta-flags18.tfm:  > out/feta-flags18.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-flags18.mf;" 

@{char@:32nd Flag (up)@:35@:0@:3.32301@:17.06094@:0.302@:3.32301@:0@:u5@}
[35]
@{char@:64th Flag (up)@:36@:0@:3.32301@:21.02844@:0.302@:3.32301@:0@:u6@}
[36]
@{char@:128th Flag (up)@:37@:0@:3.32301@:24.99594@:0.302@:3.32301@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:4.2775@:0.302@:11.3097@:4.2775@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:4.2775@:0.302@:12.10156@:4.2775@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:4.2775@:0.302@:15.0772@:4.2775@:0@:d5@}
[40]
@{char@:64th Flag (down)@:41@:0@:4.2775@:0.302@:18.05281@:4.2775@:0@:d6@}
[41]
@{char@:128th Flag (down)@:42@:0@:4.2775@:0.302@:22.02031@:4.2775@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:2.39258@:3.32301@:8.56981@:-3.9675@:3.32301@:0@:ug
race@} [43]
@{char@:grace dash (down)@:44@:3.0798@:4.2775@:-3.92784@:8.14133@:4.2775@:0@:dg
race@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:15.87@}
@{parameter@:stafflinethickness@:0.46461@}
@{parameter@:staff_space@:3.9675@}
@{parameter@:linethickness@:0.46461@}
@{parameter@:black_notehead_width@:5.21574@}
@{parameter@:ledgerlinethickness@:0.92923@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags16.tfm.
Output written on feta-flags16.600gf (12 characters, 5100 bytes).
Transcript written on feta-flags16.log.
mv feta-flags16.log feta-flags16.tfm ./out
rm -f feta-flags16.*gf  feta-flags16.*pk
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta-flags18.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-flags-generic.mf (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:17.82@:fetaMusic@}
(feta-flags.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:4.0411@:13.58879@:0.31288@:4.0411@:0@:u3@}
[33]( echo ./out/feta-flags20.tfm:  > out/feta-flags20.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-flags20.mf;" 

@{char@:16th Flag (up)@:34@:0@:4.0411@:15.8163@:0.31288@:4.0411@:0@:u4@}
[34]
@{char@:32nd Flag (up)@:35@:0@:3.72823@:19.15755@:0.31288@:3.72823@:0@:u5@}
[35]
@{char@:64th Flag (up)@:36@:0@:3.72823@:23.61255@:0.31288@:3.72823@:0@:u6@}
[36]
@{char@:128th Flag (up)@:37@:0@:3.72823@:28.06755@:0.31288@:3.72823@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:4.80081@:0.31288@:12.67503@:4.80081@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:4.80081@:0.31288@:13.58879@:4.80081@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:4.80081@:0.31288@:16.93004@:4.80081@:0@:d5@}
[40]
@{char@:64th Flag (down)@:41@:0@:4.80081@:0.31288@:20.2713@:4.80081@:0@:d6@}
[41]
@{char@:128th Flag (down)@:42@:0@:4.80081@:0.31288@:24.7263@:4.80081@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:2.68433@:3.72823@:9.62282@:-4.455@:3.72823@:0@:ugr
ace@} [43]
@{char@:grace dash (down)@:44@:3.45659@:4.80081@:-4.41048@:9.1417@:4.80081@:0@:
dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:17.82@}
@{parameter@:stafflinethickness@:0.48134@}
@{parameter@:staff_space@:4.455@}
@{parameter@:linethickness@:0.48134@}
@{parameter@:black_notehead_width@:5.86116@}
@{parameter@:ledgerlinethickness@:0.96268@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags18.tfm.
Output written on feta-flags18.600gf (12 characters, 5656 bytes).
Transcript written on feta-flags18.log.
mv feta-flags18.log feta-flags18.tfm ./out
( echo ./out/feta-flags23.tfm:  > out/feta-flags23.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-flags23.mf;" 
rm -f feta-flags18.*gf  feta-flags18.*pk
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta-flags20.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-flags-generic.mf (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:20@:fetaMusic@}
(feta-flags.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:4.50507@:15.2514@:0.32503@:4.50507@:0@:u3@}
[33]
@{char@:16th Flag (up)@:34@:0@:4.50507@:17.7514@:0.32503@:4.50507@:0@:u4@}
[34]
@{char@:32nd Flag (up)@:35@:0@:4.18004@:21.5014@:0.32503@:4.18004@:0@:u5@}
[35]
@{char@:64th Flag (up)@:36@:0@:4.18004@:26.5014@:0.32503@:4.18004@:0@:u6@}
[36]
@{char@:128th Flag (up)@:37@:0@:4.18004@:31.5014@:0.32503@:4.18004@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:5.38432@:0.32503@:14.2014@:5.38432@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:5.38432@:0.32503@:15.2514@:5.38432@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:5.38432@:0.32503@:19.0014@:5.38432@:0@:d5@}
[40]
@{char@:64th Flag (down)@:41@:0@:5.38432@:0.32503@:22.7514@:5.38432@:0@:d6@}
[41]( echo ./out/feta-flags26.tfm:  > out/feta-flags26.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input feta-flags26.mf;" 

@{char@:128th Flag (down)@:42@:0@:5.38432@:0.32503@:27.7514@:5.38432@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:3.00963@:4.18004@:10.80002@:-5@:4.18004@:0@:ugrace
@} [43]
@{char@:grace dash (down)@:44@:3.87672@:5.38432@:-4.95003@:10.26004@:5.38432@:0
@:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:20@}
@{parameter@:stafflinethickness@:0.50005@}
@{parameter@:staff_space@:5@}
@{parameter@:linethickness@:0.50005@}
@{parameter@:black_notehead_width@:6.58089@}
@{parameter@:ledgerlinethickness@:1.00009@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags20.tfm.
Output written on feta-flags20.600gf (12 characters, 6372 bytes).
Transcript written on feta-flags20.log.
mv feta-flags20.log feta-flags20.tfm ./out
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(feta-flags23.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)( echo ./out/parmesan11.tfm:  > out/parmesan11.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan11.mf;" 
 (feta-flags-generic.mf (feta-macros.mf) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:22.45@:fetaMusic@}
(feta-flags.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:5.02545@:17.11996@:0.3387@:5.02545@:0@:u3@}
[33]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:16th Flag (up)@:34@:0@:5.02545@:19.92622@:0.3387@:5.02545@:0@:u4@}
[34]
@{char@:32nd Flag (up)@:35@:0@:4.68675@:24.13559@:0.3387@:4.68675@:0@:u5@}
[35]
@{char@:64th Flag (up)@:36@:0@:4.68675@:29.7481@:0.3387@:4.68675@:0@:u6@}
[36]
@{char@:128th Flag (up)@:37@:0@:4.68675@:35.3606@:0.3387@:4.68675@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:6.03876@:0.3387@:15.91684@:6.03876@:0@:d3@}
[38]
(feta-flags26.mf
@{char@:16th Flag (down) 3@:39@:0@:6.03876@:0.3387@:17.11996@:6.03876@:0@:d4@}
[39] (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (feta-flags-generic.mf (feta-macros.mfrm -f feta-flags20.*gf  feta-flags20.*pk

@{char@:32nd Flag (down)@:40@:0@:6.03876@:0.3387@:21.32935@:6.03876@:0@:d5@}
[40]) (feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:25.2@:fetaMusic@}
(feta-flags.mf
@{char@:64th Flag (down)@:41@:0@:6.03876@:0.3387@:25.53873@:6.03876@:0@:d6@}
[41]
@{char@:128th Flag (down)@:42@:0@:6.03876@:0.3387@:31.15123@:6.03876@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:3.37447@:4.68675@:12.12303@:-5.6125@:4.68675@:0@:u
grace@} [43]
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:5.60852@:19.21732@:0.35403@:5.60852@:0@:u3@}
[33]
@{char@:grace dash (down)@:44@:4.34792@:6.03876@:-5.55641@:11.5169@:6.03876@:0@
:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:22.45@}
@{parameter@:stafflinethickness@:0.52107@}
@{parameter@:staff_space@:5.6125@}
@{parameter@:linethickness@:0.52107@}
@{parameter@:black_notehead_width@:7.3881@}
@{parameter@:ledgerlinethickness@:1.04214@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:16th Flag (up)@:34@:0@:5.60852@:22.36732@:0.35403@:5.60852@:0@:u4@}
[34]
@{char@:32nd Flag (up)@:35@:0@:5.25449@:27.09232@:0.35403@:5.25449@:0@:u5@}
[35] )
Font metrics written on feta-flags23.tfm.
Output written on feta-flags23.600gf (12 characters, 7116 bytes).
Transcript written on feta-flags23.log.

@{char@:64th Flag (up)@:36@:0@:5.25449@:33.39232@:0.35403@:5.25449@:0@:u6@}
[36]
@{char@:128th Flag (up)@:37@:0@:5.25449@:39.69232@:0.35403@:5.25449@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:6.77202@:0.35403@:17.84232@:6.77202@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:6.77202@:0.35403@:19.21732@:6.77202@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:6.77202@:0.35403@:23.94232@:6.77202@:0@:d5@}
[40]
@{char@:64th Flag (down)@:41@:0@:6.77202@:0.35403@:28.66733@:6.77202@:0@:d6@}
[41]
@{char@:128th Flag (down)@:42@:0@:6.77202@:0.35403@:34.96733@:6.77202@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:3.78323@:5.25449@:13.60803@:-6.3@:5.25449@:0@:ugra
ce@} [43]
@{char@:grace dash (down)@:44@:4.87585@:6.77202@:-6.23703@:12.92766@:6.77202@:0
@:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:25.2@}
@{parameter@:stafflinethickness@:0.54466@}
@{parameter@:staff_space@:6.3@}
@{parameter@:linethickness@:0.54466@}
@{parameter@:black_notehead_width@:8.29259@}
@{parameter@:ledgerlinethickness@:1.08932@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags26.tfm.
Output written on feta-flags26.600gf (12 characters, 7952 bytes).
Transcript written on feta-flags26.log.
mv feta-flags26.log feta-flags26.tfm ./out
mv feta-flags23.log feta-flags23.tfm ./out
( echo ./out/parmesan13.tfm:  > out/parmesan13.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan13.mf;" 
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(parmesan11.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-generic.mf (feta-macros.mfrm -f feta-flags26.*gf  feta-flags26.*pk
) (feta-params.mf) (parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:11.22@:parmesanMusic@}
(parmesan-rests.mf
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:3.36603@:2.80501@:2.80501@:3.36603@:0@
:M3neomensural@} [33]
@{char@:Neo-mensural longa rest@:34@:0@:1.12201@:2.80501@:2.80501@:1.12201@:0@:
M2neomensural@} [34]
@{char@:Neo-mensural breve rest@:35@:0@:1.12201@:0@:2.80501@:1.12201@:0@:M1neom
ensural@} [35]
@{char@:Neo-mensural whole rest@:36@:0@:1.12201@:1.75313@:0@:1.12201@:0@:0neome
nsural@} [36]
@{char@:Neo-mensural half rest@:37@:0@:1.12201@:0@:1.75313@:1.12201@:0@:1neomen
sural@} [37]
@{char@:Neo-mensural 4th rest@:38@:0@:2.24402@:0@:2.24402@:2.24402@:0@:2neomens
ural@} [38]
@{char@:Neo-mensural 8th rest@:39@:0@:2.24402@:0@:2.24402@:2.24402@:0@:3neomens
ural@} [39]
@{char@:Neo-mensural 16th rest@:40@:0@:2.24402@:0@:2.80501@:2.24402@:0@:4neomen
sural@} [40]
@{char@:Mensural maxima rest@:41@:0@:0.8415@:2.80501@:5.61002@:0.8415@:0@:M3men
sural@} [41]
@{char@:Mensural longa rest@:42@:0@:0.8415@:2.80501@:2.80501@:0.8415@:0@:M2mens
ural@} [42]
@{char@:Mensural breve rest@:43@:0@:0.8415@:0@:2.80501@:0.8415@:0@:M1mensural@}
[43]
@{char@:Mensural whole rest@:44@:0@:0.8415@:1.75313@:0@:0.8415@:0@:0mensural@}
[44]
@{char@:Mensural half rest@:45@:0@:0.8415@:0@:1.75313@:0.8415@:0@:1mensural@}
[45]
@{char@:Mensural 4th rest@:46@:0@:2.24402@:0@:2.24402@:2.24402@:0@:2mensural@}
[46]
@{char@:Mensural 8th rest@:47@:0@:2.24402@:0@:2.24402@:2.24402@:0@:3mensural@}
[47]
@{char@:Mensural 16th rest@:48@:0@:2.24402@:0@:2.80501@:2.24402@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (parmesan-clefs.mf
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.40251@:2.24402@:2.24402@:1.40251@:0@:vatican
a.do@} [49]
@{char@:Ed. Vat. do clef@:50@:0@:1.40251@:2.24402@:2.24402@:1.40251@:0@:vatican
a.do_change@} [50]
@{char@:Ed. Vat. fa clef@:51@:0@:2.94527@:4.20752@:2.24402@:2.94527@:0@:vatican
a.fa@} [51]
@{char@:Ed. Vat. fa clef@:52@:0@:2.94527@:4.20752@:2.24402@:2.94527@:0@:vatican
a.fa_change@} [52]
@{char@:Ed. Med. do clef@:53@:0@:2.80501@:4.20752@:4.20752@:2.80501@:0@:medicae
a.do@} [53]
@{char@:Ed. Med. do clef@:54@:0@:2.24402@:3.36603@:3.36603@:2.24402@:0@:medicae
a.do_change@} [54]
@{char@:Ed. Med. fa clef@:55@:0@:4.76851@:4.20752@:4.20752@:4.76851@:0@:medicae
a.fa@} [55]
@{char@:Ed. Med. fa clef@:56@:0@:3.81482@:3.36603@:3.36603@:3.81482@:0@:medicae
a.fa_change@} [56]
@{char@:neo-mensural c clef@:57@:0@:8.1583@:5.61002@:5.61002@:8.1583@:0@:neomen
sural.c@} [57]
@{char@:neo-mensural c clef@:58@:0@:6.52664@:4.48804@:4.48804@:6.52664@:0@:neom
ensural.c_change@} [58]
@{char@:petrucci c1 clef@:59@:0@:2.80501@:3.92699@:8.97601@:2.80501@:0@:petrucc
i.c1@} [59]
@{char@:petrucci c1 clef@:60@:0@:2.24402@:3.51239@:8.02837@:2.24402@:0@:petrucc
i.c1_change@} [60]
@{char@:petrucci c2 clef@:61@:0@:2.80501@:6.732@:8.97601@:2.80501@:0@:petrucci.
c2@} [61]
@{char@:petrucci c2 clef@:62@:0@:2.24402@:6.02126@:8.02837@:2.24402@:0@:petrucc
i.c2_change@} [62]
@{char@:petrucci c3 clef@:63@:0@:2.80501@:8.97601@:8.97601@:2.80501@:0@:petrucc
i.c3@} [63]
@{char@:petrucci c3 clef@:64@:0@:2.24402@:8.02837@:8.02837@:2.24402@:0@:petrucc
i.c3_change@} [64]
@{char@:petrucci c4 clef@:65@:0@:2.80501@:8.97601@:6.732@:2.80501@:0@:petrucci.
c4@} [65]
@{char@:petrucci c4 clef@:66@:0@:2.24402@:8.02837@:6.02126@:2.24402@:0@:petrucc
i.c4_change@} [66]
@{char@:petrucci c5 clef@:67@:0@:2.80501@:8.97601@:3.92699@:2.80501@:0@:petrucc
i.c5@} [67]
@{char@:petrucci c5 clef@:68@:0@:2.24402@:8.02837@:3.51239@:2.24402@:0@:petrucc
i.c5_change@} [68]
@{char@:mensural c clef@:69@:0@:3.3996@:6.171@:6.171@:3.3996@:0@:mensural.c@}
[69]
@{char@:mensural c clef@:70@:0@:2.83861@:4.93683@:4.93683@:2.83861@:0@:mensural
.c_change@} [70]
@{char@:black mensural c clef@:71@:0@:3.3996@:6.171@:6.171@:3.3996@:0@:blackmen
sural.c@} [71]rm -f feta-flags23.*gf  feta-flags23.*pk

@{char@:black mensural c clef@:72@:0@:2.83861@:4.93683@:4.93683@:2.83861@:0@:bl
ackmensural.c_change@} [72]( echo ./out/parmesan14.tfm:  > out/parmesan14.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan14.mf;" 

@{char@:petrucci f clef@:73@:0@:5.45972@:12.62254@:7.01253@:5.45972@:0@:petrucc
i.f@} [73]
@{char@:petrucci f clef@:74@:0@:4.36778@:10.09807@:5.61005@:4.36778@:0@:petrucc
i.f_change@} [74This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
]
@{char@:mensural f clef@:75@:0@:3.366@:1.683@:1.683@:3.366@:0@:mensural.f@}
[75]
@{char@:mensural f clef@:76@:0@:2.69281@:1.3464@:1.3464@:2.69281@:0@:mensural.f
_change@} [76]
(parmesan13.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-generic.mf (feta-macros.mf) (feta-params.mf) (parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:12.6@:parmesanMusic@}
(parmesan-rests.mf
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:3.78003@:3.15001@:3.15001@:3.78003@:0@
:M3neomensural@} [33]
@{char@:Neo-mensural longa rest@:34@:0@:1.26001@:3.15001@:3.15001@:1.26001@:0@:
M2neomensural@} [34]
@{char@:Neo-mensural breve rest@:35@:0@:1.26001@:0@:3.15001@:1.26001@:0@:M1neom
ensural@} [35]
@{char@:Neo-mensural whole rest@:36@:0@:1.26001@:1.96875@:0@:1.26001@:0@:0neome
nsural@} [36]
@{char@:Neo-mensural half rest@:37@:0@:1.26001@:0@:1.96875@:1.26001@:0@:1neomen
sural@} [37]
@{char@:Neo-mensural 4th rest@:38@:0@:2.52002@:0@:2.52002@:2.52002@:0@:2neomens
ural@} [38]
@{char@:Neo-mensural 8th rest@:39@:0@:2.52002@:0@:2.52002@:2.52002@:0@:3neomens
ural@} [39]
@{char@:Neo-mensural 16th rest@:40@:0@:2.52002@:0@:3.15001@:2.52002@:0@:4neomen
sural@} [40]
@{char@:Mensural maxima rest@:41@:0@:0.945@:3.15001@:6.30002@:0.945@:0@:M3mensu
ral@} [41]
@{char@:Mensural longa rest@:42@:0@:0.945@:3.15001@:3.15001@:0.945@:0@:M2mensur
al@} [42]
@{char@:Mensural breve rest@:43@:0@:0.945@:0@:3.15001@:0.945@:0@:M1mensural@}
[43]
@{char@:Mensural whole rest@:44@:0@:0.945@:1.96875@:0@:0.945@:0@:0mensural@}
[44]
@{char@:Mensural half rest@:45@:0@:0.945@:0@:1.96875@:0.945@:0@:1mensural@}
[45]
@{char@:Mensural 4th rest@:46@:0@:2.52002@:0@:2.52002@:2.52002@:0@:2mensural@}
[46]
@{char@:Mensural 8th rest@:47@:0@:2.52002@:0@:2.52002@:2.52002@:0@:3mensural@}
[47]
@{char@:Mensural 16th rest@:48@:0@:2.52002@:0@:3.15001@:2.52002@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (parmesan-clefs.mf
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.57501@:2.52002@:2.52002@:1.57501@:0@:vatican
a.do@} [49]
@{char@:Ed. Vat. do clef@:50@:0@:1.57501@:2.52002@:2.52002@:1.57501@:0@:vatican
a.do_change@} [50]
@{char@:Ed. Vat. fa clef@:51@:0@:3.30753@:4.72502@:2.52002@:3.30753@:0@:vatican
a.fa@} [51]
@{char@:Ed. Vat. fa clef@:52@:0@:3.30753@:4.72502@:2.52002@:3.30753@:0@:vatican
a.fa_change@} [52]
@{char@:Ed. Med. do clef@:53@:0@:3.15001@:4.72502@:4.72502@:3.15001@:0@:medicae
a.do@} [53]
@{char@:Ed. Med. do clef@:54@:0@:2.52002@:3.78003@:3.78003@:2.52002@:0@:medicae
a.do_change@} [54]
@{char@:Ed. Med. fa clef@:55@:0@:5.35501@:4.72502@:4.72502@:5.35501@:0@:medicae
a.fa@} [55]
@{char@:Ed. Med. fa clef@:56@:0@:4.28403@:3.78003@:3.78003@:4.28403@:0@:medicae
a.fa_change@} [56]
@{char@:neo-mensural c clef@:57@:0@:8.91934@:6.30002@:6.30002@:8.91934@:0@:neom
ensural.c@} [57]
@{char@:neo-mensural c clef@:58@:0@:7.1355@:5.04004@:5.04004@:7.1355@:0@:neomen
sural.c_change@} [58]
@{char@:petrucci c1 clef@:59@:0@:3.15001@:4.40999@:10.08002@:3.15001@:0@:petruc
ci.c1@} [59]
@{char@:petrucci c1 clef@:60@:0@:2.52002@:3.9444@:9.01581@:2.52002@:0@:petrucci
.c1_change@} [60]
@{char@:petrucci c2 clef@:61@:0@:3.15001@:7.56@:10.08002@:3.15001@:0@:petrucci.
c2@} [61]
@{char@:petrucci c2 clef@:62@:0@:2.52002@:6.76184@:9.01581@:2.52002@:0@:petrucc
i.c2_change@} [62]
@{char@:petrucci c3 clef@:63@:0@:3.15001@:10.08002@:10.08002@:3.15001@:0@:petru
cci.c3@} [63]
@{char@:petrucci c3 clef@:64@:0@:2.52002@:9.01581@:9.01581@:2.52002@:0@:petrucc
i.c3_change@} [64]
@{char@:petrucci c4 clef@:65@:0@:3.15001@:10.08002@:7.56@:3.15001@:0@:petrucci.
c4@} [65]
@{char@:petrucci c4 clef@:66@:0@:2.52002@:9.01581@:6.76184@:2.52002@:0@:petrucc
i.c4_change@} [66]
@{char@:petrucci g clef@:77@:0@:3.50626@:1.82324@:10.65904@:3.50626@:0@:petrucc
i.g@} [77]
@{char@:petrucci c5 clef@:67@:0@:3.15001@:10.08002@:4.40999@:3.15001@:0@:petruc
ci.c5@} [67]
@{char@:petrucci c5 clef@:68@:0@:2.52002@:9.01581@:3.9444@:2.52002@:0@:petrucci
.c5_change@} [68]
@{char@:mensural c clef@:69@:0@:3.76118@:6.93001@:6.93001@:3.76118@:0@:mensural
.c@} [69]
@{char@:mensural c clef@:70@:0@:3.1312@:5.54404@:5.54404@:3.1312@:0@:mensural.c
_change@} [70]
@{char@:black mensural c clef@:71@:0@:3.76118@:6.93001@:6.93001@:3.76118@:0@:bl
ackmensural.c@} [71]
@{char@:black mensural c clef@:72@:0@:3.1312@:5.54404@:5.54404@:3.1312@:0@:blac
kmensural.c_change@} [72]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:petrucci f clef@:73@:0@:6.13123@:14.17505@:7.87503@:6.13123@:0@:petrucc
i.f@} [73]
@{char@:petrucci f clef@:74@:0@:4.905@:11.34009@:6.30005@:4.905@:0@:petrucci.f_
change@} [74]
@{char@:mensural f clef@:75@:0@:3.78@:1.89@:1.89@:3.78@:0@:mensural.f@}
[75]
@{char@:mensural f clef@:76@:0@:3.02402@:1.51201@:1.51201@:3.02402@:0@:mensural
.f_change@} [76]
(parmesan14.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-generic.mf (feta-macros.mf) (feta-params.mf) (parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:14.14@:parmesanMusic@}
(parmesan-rests.mf
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:4.242@:3.535@:3.535@:4.242@:0@:M3neome
nsural@} [33]
@{char@:Neo-mensural longa rest@:34@:0@:1.414@:3.535@:3.535@:1.414@:0@:M2neomen
sural@} [34]
@{char@:Neo-mensural breve rest@:35@:0@:1.414@:0@:3.535@:1.414@:0@:M1neomensura
l@} [35]
@{char@:Neo-mensural whole rest@:36@:0@:1.414@:2.20938@:0@:1.414@:0@:0neomensur
al@} [36]
@{char@:Neo-mensural half rest@:37@:0@:1.414@:0@:2.20938@:1.414@:0@:1neomensura
l@} [37]
@{char@:Neo-mensural 4th rest@:38@:0@:2.82802@:0@:2.82802@:2.82802@:0@:2neomens
ural@} [38]
@{char@:Neo-mensural 8th rest@:39@:0@:2.82802@:0@:2.82802@:2.82802@:0@:3neomens
ural@} [39]
@{char@:Neo-mensural 16th rest@:40@:0@:2.82802@:0@:3.535@:2.82802@:0@:4neomensu
ral@} [40]
@{char@:Mensural maxima rest@:41@:0@:1.06052@:3.535@:7.07@:1.06052@:0@:M3mensur
al@} [41]
@{char@:Mensural longa rest@:42@:0@:1.06052@:3.535@:3.535@:1.06052@:0@:M2mensur
al@} [42]
@{char@:Mensural breve rest@:43@:0@:1.06052@:0@:3.535@:1.06052@:0@:M1mensural@}
[43]
@{char@:Mensural whole rest@:44@:0@:1.06052@:2.20938@:0@:1.06052@:0@:0mensural@
} [44]
@{char@:Mensural half rest@:45@:0@:1.06052@:0@:2.20938@:1.06052@:0@:1mensural@}
[45]
@{char@:Mensural 4th rest@:46@:0@:2.82802@:0@:2.82802@:2.82802@:0@:2mensural@}
[46]
@{char@:Mensural 8th rest@:47@:0@:2.82802@:0@:2.82802@:2.82802@:0@:3mensural@}
[47]
@{char@:Mensural 16th rest@:48@:0@:2.82802@:0@:3.535@:2.82802@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (parmesan-clefs.mf
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.7675@:2.82802@:2.82802@:1.7675@:0@:vaticana.
do@} [49]
@{char@:Ed. Vat. do clef@:50@:0@:1.7675@:2.82802@:2.82802@:1.7675@:0@:vaticana.
do_change@} [50]
@{char@:Ed. Vat. fa clef@:51@:0@:3.71176@:5.3025@:2.82802@:3.71176@:0@:vaticana
.fa@} [51]
@{char@:Ed. Vat. fa clef@:52@:0@:3.71176@:5.3025@:2.82802@:3.71176@:0@:vaticana
.fa_change@} [52]
@{char@:Ed. Med. do clef@:53@:0@:3.535@:5.3025@:5.3025@:3.535@:0@:medicaea.do@}
[53]
@{char@:Ed. Med. do clef@:54@:0@:2.82802@:4.24203@:4.24203@:2.82802@:0@:medicae
a.do_change@} [54]
@{char@:Ed. Med. fa clef@:55@:0@:6.00949@:5.3025@:5.3025@:6.00949@:0@:medicaea.
fa@} [55]
@{char@:Ed. Med. fa clef@:56@:0@:4.80762@:4.24203@:4.24203@:4.80762@:0@:medicae
a.fa_change@} [56]
@{char@:neo-mensural c clef@:57@:0@:9.76862@:7.07@:7.07@:9.76862@:0@:neomensura
l.c@} [57]
@{char@:petrucci g clef@:78@:0@:2.80502@:1.4586@:8.52728@:2.80502@:0@:petrucci.
g_change@} [78]
@{char@:neo-mensural c clef@:58@:0@:7.81494@:5.65604@:5.65604@:7.81494@:0@:neom
ensural.c_change@} [58]
@{char@:petrucci c1 clef@:59@:0@:3.535@:4.94899@:11.312@:3.535@:0@:petrucci.c1@
} [59]
@{char@:petrucci c1 clef@:60@:0@:2.82802@:4.42648@:10.11772@:2.82802@:0@:petruc
ci.c1_change@} [60]
@{char@:petrucci c2 clef@:61@:0@:3.535@:8.484@:11.312@:3.535@:0@:petrucci.c2@}
[61]
@{char@:petrucci c2 clef@:62@:0@:2.82802@:7.58827@:10.11772@:2.82802@:0@:petruc
ci.c2_change@} [62]
@{char@:petrucci c3 clef@:63@:0@:3.535@:11.312@:11.312@:3.535@:0@:petrucci.c3@}
[63]
@{char@:petrucci c3 clef@:64@:0@:2.82802@:10.11772@:10.11772@:2.82802@:0@:petru
cci.c3_change@} [64]
@{char@:petrucci c4 clef@:65@:0@:3.535@:11.312@:8.484@:3.535@:0@:petrucci.c4@}
[65]
@{char@:petrucci c4 clef@:66@:0@:2.82802@:10.11772@:7.58827@:2.82802@:0@:petruc
ci.c4_change@} [66]
@{char@:petrucci g clef@:77@:0@:3.93752@:2.04749@:11.97005@:3.93752@:0@:petrucc
i.g@} [77]
@{char@:petrucci c5 clef@:67@:0@:3.535@:11.312@:4.94899@:3.535@:0@:petrucci.c5@
} [67]
@{char@:petrucci c5 clef@:68@:0@:2.82802@:10.11772@:4.42648@:2.82802@:0@:petruc
ci.c5_change@} [68]
@{char@:mensural c clef@:69@:0@:4.16467@:7.777@:7.777@:4.16467@:0@:mensural.c@}
[69]
@{char@:mensural c clef@:70@:0@:3.45769@:6.22163@:6.22163@:3.45769@:0@:mensural
.c_change@} [70]
@{char@:black mensural c clef@:71@:0@:4.16467@:7.777@:7.777@:4.16467@:0@:blackm
ensural.c@} [71]( echo ./out/parmesan16.tfm:  > out/parmesan16.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan16.mf;" 

@{char@:mensural g clef@:79@:0@:3.50626@:1.82324@:10.65904@:3.50626@:0@:mensura
l.g@} [79]
@{char@:petrucci g clef@:78@:0@:3.15002@:1.638@:9.57608@:3.15002@:0@:petrucci.g
_change@} [78]
@{char@:black mensural c clef@:72@:0@:3.45769@:6.22163@:6.22163@:3.45769@:0@:bl
ackmensural.c_change@} [72]
@{char@:petrucci f clef@:73@:0@:6.88057@:15.90752@:8.83751@:6.88057@:0@:petrucc
i.f@} [73This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
]( echo ./out/parmesan18.tfm:  > out/parmesan18.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan18.mf;" 

@{char@:petrucci f clef@:74@:0@:5.50449@:12.72606@:7.07004@:5.50449@:0@:petrucc
i.f_change@} [74]
@{char@:mensural f clef@:75@:0@:4.24199@:2.121@:2.121@:4.24199@:0@:mensural.f@}
[75]
@{char@:mensural f clef@:76@:0@:3.3936@:1.69681@:1.69681@:3.3936@:0@:mensural.f
_change@} [76]
(parmesan16.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-generic.mf (feta-macros.mf) (feta-params.mf) (parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:15.87@:parmesanMusic@}
(parmesan-rests.mf
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:4.76102@:3.9675@:3.9675@:4.76102@:0@:M
3neomensural@} [33]
@{char@:Neo-mensural longa rest@:34@:0@:1.587@:3.9675@:3.9675@:1.587@:0@:M2neom
ensural@} [34]
@{char@:Neo-mensural breve rest@:35@:0@:1.587@:0@:3.9675@:1.587@:0@:M1neomensur
al@} [35]
@{char@:Neo-mensural whole rest@:36@:0@:1.587@:2.47969@:0@:1.587@:0@:0neomensur
al@} [36]
@{char@:mensural g clef@:80@:0@:2.80502@:1.4586@:8.52728@:2.80502@:0@:mensural.
g_change@} [80]
@{char@:Neo-mensural half rest@:37@:0@:1.587@:0@:2.47969@:1.587@:0@:1neomensura
l@} [37]
@{char@:Hufnagel do clef@:81@:0@:3.08553@:1.9635@:2.10376@:3.08553@:0@:hufnagel
.do@} [81]
@{char@:Neo-mensural 4th rest@:38@:0@:3.17401@:0@:3.17401@:3.17401@:0@:2neomens
ural@} [38]
@{char@:Hufnagel do clef@:82@:0@:2.46843@:1.5708@:1.68301@:2.46843@:0@:hufnagel
.do_change@} [82]
@{char@:Neo-mensural 8th rest@:39@:0@:3.17401@:0@:3.17401@:3.17401@:0@:3neomens
ural@} [39]
@{char@:Hufnagel fa clef@:83@:0@:3.366@:3.22574@:2.80501@:3.366@:0@:hufnagel.fa
@} [83]
@{char@:Neo-mensural 16th rest@:40@:0@:3.17401@:0@:3.9675@:3.17401@:0@:4neomens
ural@} [40]
@{char@:Mensural maxima rest@:41@:0@:1.19026@:3.9675@:7.935@:1.19026@:0@:M3mens
ural@} [41]
@{char@:Mensural longa rest@:42@:0@:1.19026@:3.9675@:3.9675@:1.19026@:0@:M2mens
ural@} [42
@{char@:Hufnagel fa clef@:84@:0@:2.69281@:2.58061@:2.24402@:2.69281@:0@:hufnage
l.fa_change@} [84]]
@{char@:Mensural breve rest@:43@:0@:1.19026@:0@:3.9675@:1.19026@:0@:M1mensural@
} [43]
@{char@:Mensural whole rest@:44@:0@:1.19026@:2.47969@:0@:1.19026@:0@:0mensural@
} [44]
@{char@:Mensural half rest@:45@:0@:1.19026@:0@:2.47969@:1.19026@:0@:1mensural@}
[45]
@{char@:Mensural 4th rest@:46@:0@:3.17401@:0@:3.17401@:3.17401@:0@:2mensural@}
[46]
@{char@:Hufnagel do/fa clef@:85@:0@:3.366@:8.83575@:2.10376@:3.366@:0@:hufnagel
.do.fa@} [85]
@{char@:Mensural 8th rest@:47@:0@:3.17401@:0@:3.17401@:3.17401@:0@:3mensural@}
[47]
@{char@:Mensural 16th rest@:48@:0@:3.17401@:0@:3.9675@:3.17401@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (parmesan-clefs.mf
@{char@:mensural g clef@:79@:0@:3.93752@:2.04749@:11.97005@:3.93752@:0@:mensura
l.g@} [79]
@{char@:Hufnagel do/fa clef@:86@:0@:2.69281@:8.19063@:1.68301@:2.69281@:0@:hufn
agel.do.fa_change@} [86]
@{char@:Kievan tsefaut clef@:87@:0@:4.20752@:6.31126@:1.54277@:4.20752@:0@:kiev
an.do@} [87]
@{char@:Kievan tsefaut clef@:88@:0@:4.20752@:6.31126@:1.54277@:4.20752@:0@:kiev
an.do_change@} [88]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.98375@:3.17401@:3.17401@:1.98375@:0@:vatican
a.do@} [49
@{puorg@:clefs@}
)] (parmesan-custodes.mf
@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:1.93785@:1.61487@:2.80501@:1.93785@:0@:hufnagel
.u0@} [89]
@{char@:Ed. Vat. do clef@:50@:0@:1.98375@:3.17401@:3.17401@:1.98375@:0@:vatican
a.do_change@} [50]
@{char@:Custos Hufnagel@:90@:0@:1.93785@:1.61487@:4.20752@:1.93785@:0@:hufnagel
.u1@} [90]
@{char@:Custos Hufnagel@:91@:0@:1.93785@:1.61487@:3.50626@:1.93785@:0@:hufnagel
.u2@} [91]
@{char@:Reverse Custos Hufnagel@:92@:0@:1.93785@:2.80501@:1.61487@:1.93785@:0@:
hufnagel.d0@} [92]
@{char@:Reverse Custos Hufnagel@:93@:0@:1.93785@:4.20752@:1.61487@:1.93785@:0@:
hufnagel.d1@} [93]
@{char@:Reverse Custos Hufnagel@:94@:0@:1.93785@:3.50626@:1.61487@:1.93785@:0@:
hufnagel.d2@} [94]
@{char@:Ed. Vat. fa clef@:51@:0@:4.16588@:5.95125@:3.17401@:4.16588@:0@:vatican
a.fa@} [51
@{char@:Custos Med.@:95@:0@:0.80743@:1.61487@:2.80501@:0.80743@:0@:medicaea.u0@
} [95]]
@{char@:Custos Med.@:96@:0@:0.80743@:1.61487@:4.20752@:0.80743@:0@:medicaea.u1@
} [96]
@{char@:Custos Med.@:97@:0@:0.80743@:1.61487@:3.50626@:0.80743@:0@:medicaea.u2@
} [97]
@{char@:Reverse Custos Med.@:98@:0@:0.80743@:2.80501@:1.61487@:0.80743@:0@:medi
caea.d0@} [98]
@{char@:Ed. Vat. fa clef@:52@:0@:4.16588@:5.95125@:3.17401@:4.16588@:0@:vatican
a.fa_change@} [52
@{char@:Reverse Custos Med.@:99@:0@:0.80743@:4.20752@:1.61487@:0.80743@:0@:medi
caea.d1@} [99]]
@{char@:Reverse Custos Med.@:100@:0@:0.80743@:3.50626@:1.61487@:0.80743@:0@:med
icaea.d2@} [100]
@{char@:Custos Ed. Vat.@:101@:0@:0.77515@:1.00127@:2.80501@:0.77515@:0@:vatican
a.u0@} [101
@{char@:Ed. Med. do clef@:53@:0@:3.9675@:5.95125@:5.95125@:3.9675@:0@:medicaea.
do@} [53]]
@{char@:Custos Ed. Vat.@:102@:0@:0.77515@:1.00127@:4.20752@:0.77515@:0@:vatican
a.u1@} [102]
@{char@:Ed. Med. do clef@:54@:0@:3.17401@:4.76102@:4.76102@:3.17401@:0@:medicae
a.do_change@} [54
@{char@:Custos Ed. Vat.@:103@:0@:0.77515@:1.00127@:3.50626@:0.77515@:0@:vatican
a.u2@} [103]]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:0.77515@:2.80501@:1.00127@:0.77515@:0@
:vaticana.d0@} [104]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:0.77515@:4.20752@:1.00127@:0.77515@:0@
:vaticana.d1@} [105]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:0.77515@:3.50626@:1.00127@:0.77515@:0@
:vaticana.d2@} [106]
@{char@:Ed. Med. fa clef@:55@:0@:6.74474@:5.95125@:5.95125@:6.74474@:0@:medicae
a.fa@} [55]
@{char@:Custos Mensural@:107@:0@:3.87566@:1.06581@:5.61002@:3.87566@:0@:mensura
l.u0@} [107]
@{char@:Custos Mensural@:108@:0@:3.87566@:1.06581@:7.01253@:3.87566@:0@:mensura
l.u1@} [108]
@{char@:Ed. Med. fa clef@:56@:0@:5.39581@:4.76102@:4.76102@:5.39581@:0@:medicae
a.fa_change@} [56]
@{char@:Custos Mensural@:109@:0@:3.87566@:1.06581@:6.31126@:3.87566@:0@:mensura
l.u2@} [109]
@{char@:Reverse Custos Mensural@:110@:0@:3.87566@:5.61002@:1.06581@:3.87566@:0@
:mensural.d0@} [110]
@{char@:neo-mensural c clef@:57@:0@:10.72269@:7.935@:7.935@:10.72269@:0@:neomen
sural.c@} [57]
@{char@:Reverse Custos Mensural@:111@:0@:3.87566@:7.01253@:1.06581@:3.87566@:0@
:mensural.d1@} [111]
@{char@:Reverse Custos Mensural@:112@:0@:3.87566@:6.31126@:1.06581@:3.87566@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
)
@{char@:neo-mensural c clef@:58@:0@:8.57816@:6.34802@:6.34802@:8.57816@:0@:neom
ensural.c_change@} [58 (parmesan-accidentals.mf]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.28052@:1.68303@:1.68303@:2.80501@:1.68303@:0@:med
icaeaM1@} [113]
@{char@:Ed. Vat. Flat@:114@:0.10619@:1.5087@:0.95369@:2.55257@:1.5087@:0@:vatic
anaM1@} [114]
@{char@:petrucci c1 clef@:59@:0@:3.9675@:5.55447@:12.69598@:3.9675@:0@:petrucci
.c1@} [59]
@{char@:Ed. Vat. Natural@:115@:0.16988@:1.29185@:2.13179@:2.13179@:1.29185@:0@:
vaticana0@} [115]
@{char@:Mensural Sharp@:116@:1.06746@:1.62845@:1.29185@:1.29185@:1.62845@:0@:me
nsural1@} [116]
@{char@:petrucci c1 clef@:60@:0@:3.17401@:4.96806@:11.3556@:3.17401@:0@:petrucc
i.c1_change@} [60]
@{char@:Mensural Flat@:117@:0.31854@:1.44052@:1.01979@:5.36757@:1.44052@:0@:men
suralM1@} [117]
@{char@:petrucci c2 clef@:61@:0@:3.9675@:9.52197@:12.69598@:3.9675@:0@:petrucci
.c2@} [61]
@{char@:petrucci c2 clef@:62@:0@:3.17401@:8.5167@:11.3556@:3.17401@:0@:petrucci
.c2_change@} [62]
@{char@:petrucci c3 clef@:63@:0@:3.9675@:12.69598@:12.69598@:3.9675@:0@:petrucc
i.c3@} [63]
@{char@:petrucci c3 clef@:64@:0@:3.17401@:11.3556@:11.3556@:3.17401@:0@:petrucc
i.c3_change@} [64]
@{char@:petrucci c4 clef@:65@:0@:3.9675@:12.69598@:9.52197@:3.9675@:0@:petrucci
.c4@} [65]
@{char@:petrucci c4 clef@:66@:0@:3.17401@:11.3556@:8.5167@:3.17401@:0@:petrucci
.c4_change@} [66]
@{char@:petrucci c5 clef@:67@:0@:3.9675@:12.69598@:5.55447@:3.9675@:0@:petrucci
.c5@} [67]
@{char@:mensural g clef@:80@:0@:3.15002@:1.638@:9.57608@:3.15002@:0@:mensural.g
_change@} [80]
@{char@:Hufnagel do clef@:81@:0@:3.46503@:2.205@:2.3625@:3.46503@:0@:hufnagel.d
o@} [81]
@{char@:petrucci c5 clef@:68@:0@:3.17401@:11.3556@:4.96806@:3.17401@:0@:petrucc
i.c5_change@} [68]
@{char@:Hufnagel do clef@:82@:0@:2.77203@:1.764@:1.89001@:2.77203@:0@:hufnagel.
do_change@} [82]
@{char@:Hufnagel fa clef@:83@:0@:3.78@:3.6225@:3.15001@:3.78@:0@:hufnagel.fa@}
[83]
@{char@:mensural c clef@:69@:0@:4.61795@:8.72849@:8.72849@:4.61795@:0@:mensural
.c@} [69
@{char@:petrucci g clef@:77@:0@:4.41876@:2.29773@:13.43303@:4.41876@:0@:petrucc
i.g@} [77]]
@{char@:Hufnagel fa clef@:84@:0@:3.02402@:2.89801@:2.52002@:3.02402@:0@:hufnage
l.fa_change@} [84]
@{char@:mensural c clef@:70@:0@:3.82446@:6.98282@:6.98282@:3.82446@:0@:mensural
.c_change@} [70]
@{char@:Hufnagel do/fa clef@:85@:0@:3.78@:9.92252@:2.3625@:3.78@:0@:hufnagel.do
.fa@} [85]
@{char@:black mensural c clef@:71@:0@:4.61795@:8.72849@:8.72849@:4.61795@:0@:bl
ackmensural.c@} [71]
@{char@:Hufnagel do/fa clef@:86@:0@:3.02402@:9.19803@:1.89001@:3.02402@:0@:hufn
agel.do.fa_change@} [86]
@{char@:Kievan tsefaut clef@:87@:0@:4.72502@:7.08752@:1.73251@:4.72502@:0@:kiev
an.do@} [87]
@{char@:Hufnagel Flat@:118@:0.42471@:1.82722@:1.05386@:5.26138@:1.82722@:0@:huf
nagelM1@} [118
@{char@:Kievan tsefaut clef@:88@:0@:4.72502@:7.08752@:1.73251@:4.72502@:0@:kiev
an.do_change@} [88]]
@{puorg@:clefs@}
)
@{char@:black mensural c clef@:72@:0@:3.82446@:6.98282@:6.98282@:3.82446@:0@:bl
ackmensural.c_change@} [72 (parmesan-custodes.mf]
@{char@:Kievan sharp@:119@:0@:4.48804@:4.48804@:4.48804@:4.48804@:0@:kievan1@}
[119]
@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.15196@:1.79329@:3.15001@:2.15196@:0@:hufnagel
.u0@} [89]
@{char@:Kievan flat@:120@:0@:2.80501@:2.80501@:5.04903@:2.80501@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
) (parmesan-flags.mf
@{char@:Custos Hufnagel@:90@:0@:2.15196@:1.79329@:4.72502@:2.15196@:0@:hufnagel
.u1@} [90]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:1.68303@:5.61002@:0.28052@:1.68303@:0@:
mensuralu03@} [121]
@{char@:Custos Hufnagel@:91@:0@:2.15196@:1.79329@:3.93752@:2.15196@:0@:hufnagel
.u2@} [91]
@{char@:8th Mensural Flag (up)@:122@:0@:1.68303@:4.20752@:0.28052@:1.68303@:0@:
mensuralu13@} [122]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.15196@:3.15001@:1.79329@:2.15196@:0@:
hufnagel.d0@} [92]
@{char@:8th Mensural Flag (up)@:123@:0@:1.68303@:4.90877@:0.28052@:1.68303@:0@:
mensuralu23@} [123]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.15196@:4.72502@:1.79329@:2.15196@:0@:
hufnagel.d1@} [93]
@{char@:8th Mensural Flag (down)@:124@:1.68303@:0@:0.28052@:5.61002@:0@:0@:mens
urald03@} [124]
@{char@:8th Mensural Flag (down)@:125@:1.68303@:0@:0.28052@:4.20752@:0@:0@:mens
urald13@} [125]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.15196@:3.93752@:1.79329@:2.15196@:0@:
hufnagel.d2@} [94]
@{char@:8th Mensural Flag (down)@:126@:1.68303@:0@:0.28052@:4.90877@:0@:0@:mens
urald23@} [126]
@{char@:petrucci f clef@:73@:0@:7.7224@:17.85374@:9.91875@:7.7224@:0@:petrucci.
f@} [73]
@{char@:Custos Med.@:95@:0@:0.89664@:1.79329@:3.15001@:0.89664@:0@:medicaea.u0@
} [95]
@{char@:Custos Med.@:96@:0@:0.89664@:1.79329@:4.72502@:0.89664@:0@:medicaea.u1@
} [96]
@{char@:16th Mensural Flag (up)@:127@:0@:1.68303@:8.41502@:0.28052@:1.68303@:0@
:mensuralu04@} [127]
@{char@:Custos Med.@:97@:0@:0.89664@:1.79329@:3.93752@:0.89664@:0@:medicaea.u2@
} [97]
@{char@:16th Mensural Flag (up)@:128@:0@:1.68303@:7.01253@:0.28052@:1.68303@:0@
:mensuralu14@} [128]
@{char@:Reverse Custos Med.@:98@:0@:0.89664@:3.15001@:1.79329@:0.89664@:0@:medi
caea.d0@} [98]
@{char@:Reverse Custos Med.@:99@:0@:0.89664@:4.72502@:1.79329@:0.89664@:0@:medi
caea.d1@} [99]
@{char@:16th Mensural Flag (up)@:129@:0@:1.68303@:7.71378@:0.28052@:1.68303@:0@
:mensuralu24@} [129]
@{char@:Reverse Custos Med.@:100@:0@:0.89664@:3.93752@:1.79329@:0.89664@:0@:med
icaea.d2@} [100]
@{char@:petrucci f clef@:74@:0@:6.17793@:14.28305@:7.93503@:6.17793@:0@:petrucc
i.f_change@} [74
@{char@:Custos Ed. Vat.@:101@:0@:0.8608@:1.1119@:3.15001@:0.8608@:0@:vaticana.u
0@} [101
@{char@:16th Mensural Flag (down)@:130@:1.68303@:0@:0.28052@:8.41502@:0@:0@:men
surald04@} [130]]]
@{char@:Custos Ed. Vat.@:102@:0@:0.8608@:1.1119@:4.72502@:0.8608@:0@:vaticana.u
1@} [102]
@{char@:16th Mensural Flag (down)@:131@:1.68303@:0@:0.28052@:7.01253@:0@:0@:men
surald14@} [131]
@{char@:Custos Ed. Vat.@:103@:0@:0.8608@:1.1119@:3.93752@:0.8608@:0@:vaticana.u
2@} [103]
@{char@:mensural f clef@:75@:0@:4.76099@:2.3805@:2.3805@:4.76099@:0@:mensural.f
@} [75]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:0.8608@:3.15001@:1.1119@:0.8608@:0@:va
ticana.d0@} [104]
@{char@:16th Mensural Flag (down)@:132@:1.68303@:0@:0.28052@:7.71378@:0@:0@:men
surald24@} [132]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:0.8608@:4.72502@:1.1119@:0.8608@:0@:va
ticana.d1@} [105]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:0.8608@:3.93752@:1.1119@:0.8608@:0@:va
ticana.d2@} [106]
@{char@:mensural f clef@:76@:0@:3.8088@:1.9044@:1.9044@:3.8088@:0@:mensural.f_c
hange@} [76]
@{char@:32th Mensural Flag (up)@:133@:0@:1.68303@:11.22003@:0.28052@:1.68303@:0
@:mensuralu05@} [133]
@{char@:Custos Mensural@:107@:0@:4.30386@:1.18358@:6.30002@:4.30386@:0@:mensura
l.u0@} [107]
@{char@:32th Mensural Flag (up)@:134@:0@:1.68303@:9.81754@:0.28052@:1.68303@:0@
:mensuralu15@} [134]
@{char@:Custos Mensural@:108@:0@:4.30386@:1.18358@:7.87503@:4.30386@:0@:mensura
l.u1@} [108]
@{char@:Custos Mensural@:109@:0@:4.30386@:1.18358@:7.08752@:4.30386@:0@:mensura
l.u2@} [109]
@{char@:32th Mensural Flag (up)@:135@:0@:1.68303@:10.51878@:0.28052@:1.68303@:0
@:mensuralu25@} [135]
@{char@:Reverse Custos Mensural@:110@:0@:4.30386@:6.30002@:1.18358@:4.30386@:0@
:mensural.d0@} [110]
@{char@:32th Mensural Flag (down)@:136@:1.68303@:0@:0.28052@:11.22003@:0@:0@:me
nsurald05@} [136]
@{char@:Reverse Custos Mensural@:111@:0@:4.30386@:7.87503@:1.18358@:4.30386@:0@
:mensural.d1@} [111]
@{char@:Reverse Custos Mensural@:112@:0@:4.30386@:7.08752@:1.18358@:4.30386@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
) (parmesan-accidentals.mf
@{char@:32th Mensural Flag (down)@:137@:1.68303@:0@:0.28052@:9.81754@:0@:0@:men
surald15@} [137]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.31502@:1.89003@:1.89003@:3.15001@:1.89003@:0@:med
icaeaM1@} [113]
@{char@:32th Mensural Flag (down)@:138@:1.68303@:0@:0.28052@:10.51878@:0@:0@:me
nsurald25@} [138]
@{char@:Ed. Vat. Flat@:114@:0.10915@:1.68416@:1.07098@:2.86652@:1.68416@:0@:vat
icanaM1@} [114]
@{char@:Ed. Vat. Natural@:115@:0.17462@:1.4346@:2.39398@:2.39398@:1.4346@:0@:va
ticana0@} [115]
@{char@:Mensural Sharp@:116@:1.1826@:1.81259@:1.4346@:1.4346@:1.81259@:0@:mensu
ral1@} [116]
@{char@:64th Mensural Flag (up)@:139@:0@:1.68303@:14.02504@:0.28052@:1.68303@:0
@:mensuralu06@} [139]
@{char@:Mensural Flat@:117@:0.32742@:1.5874@:1.11493@:5.99745@:1.5874@:0@:mensu
ralM1@} [117]
@{char@:64th Mensural Flag (up)@:140@:0@:1.68303@:12.62254@:0.28052@:1.68303@:0
@:mensuralu16@} [140]
@{char@:64th Mensural Flag (up)@:141@:0@:1.68303@:13.32379@:0.28052@:1.68303@:0
@:mensuralu26@} [141]
@{char@:64th Mensural Flag (down)@:142@:1.68303@:0@:0.28052@:14.02504@:0@:0@:me
nsurald06@} [142]
@{char@:64th Mensural Flag (down)@:143@:1.68303@:0@:0.28052@:12.62254@:0@:0@:me
nsurald16@} [143]
@{char@:64th Mensural Flag (down)@:144@:1.68303@:0@:0.28052@:13.32379@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
) (parmesan-timesignatures.mf
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural44@} [145]
@{char@:Mensural 2/2 meter@:146@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural22@} [146]
@{char@:Mensural 3/2 meter@:147@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural32@} [147]
@{char@:Mensural 6/4 meter@:148@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural64@} [148]
@{char@:Mensural 9/4 meter@:149@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural94@} [149]
@{char@:Mensural 3/4 meter@:150@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural34@} [150]
@{char@:Mensural 6/8 meter@:151@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural68@} [151]
@{char@:Mensural 9/8 meter@:152@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural98@} [152]
@{char@:Mensural 4/8 meter@:153@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural48@} [153]
@{char@:Mensural 6/8 meter@:154@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural68alt@} [154]( echo ./out/parmesan20.tfm:  > out/parmesan20.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan20.mf;" 

@{char@:Mensural 2/4 meter@:155@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural24@} [155]
@{char@:Hufnagel Flat@:118@:0.43655@:2.01157@:1.16328@:5.8883@:2.01157@:0@:hufn
agelM1@} [118]
@{char@:Kievan sharp@:119@:0@:5.04004@:5.04004@:5.04004@:5.04004@:0@:kievan1@}
[119
@{char@:Mensural 4/4 meter@:156@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural44@} [156]]
@{char@:Kievan flat@:120@:0@:3.15001@:3.15001@:5.67003@:3.15001@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
) (parmesan-flags.mf
@{char@:Mensural 2/2 meter@:157@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural22@} [157]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:1.89003@:6.30002@:0.31502@:1.89003@:0@:
mensuralu03@} [121]
@{char@:Mensural 3/2 meter@:158@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural32@} [158]
@{char@:8th Mensural Flag (up)@:122@:0@:1.89003@:4.72502@:0.31502@:1.89003@:0@:
mensuralu13@} [122]
@{char@:8th Mensural Flag (up)@:123@:0@:1.89003@:5.51251@:0.31502@:1.89003@:0@:
mensuralu23@} [123]
@{char@:Mensural 6/4 meter@:159@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural64@} [159]
@{char@:8th Mensural Flag (down)@:124@:1.89003@:0@:0.31502@:6.30002@:0@:0@:mens
urald03@} [124]
@{char@:8th Mensural Flag (down)@:125@:1.89003@:0@:0.31502@:4.72502@:0@:0@:mens
urald13@} [125]
@{char@:Mensural 9/4 meter@:160@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural94@} [160]
@{char@:8th Mensural Flag (down)@:126@:1.89003@:0@:0.31502@:5.51251@:0@:0@:mens
urald23@} [126]
@{char@:Mensural 3/4 meter@:161@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural34@} [161]
@{char@:16th Mensural Flag (up)@:127@:0@:1.89003@:9.45003@:0.31502@:1.89003@:0@
:mensuralu04@} [127]
@{char@:Mensural 6/8 meter@:162@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural68@} [162]
@{char@:16th Mensural Flag (up)@:128@:0@:1.89003@:7.87503@:0.31502@:1.89003@:0@
:mensuralu14@} [128]
@{char@:16th Mensural Flag (up)@:129@:0@:1.89003@:8.66252@:0.31502@:1.89003@:0@
:mensuralu24@} [129
@{char@:Mensural 9/8 meter@:163@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural98@} [163]]
@{char@:Mensural 4/8 meter@:164@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural48@} [164]
@{char@:16th Mensural Flag (down)@:130@:1.89003@:0@:0.31502@:9.45003@:0@:0@:men
surald04@} [130]
@{char@:Mensural 6/8 meter@:165@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural68alt@} [165]
@{char@:16th Mensural Flag (down)@:131@:1.89003@:0@:0.31502@:7.87503@:0@:0@:men
surald14@} [131]
@{char@:Mensural 2/4 meter@:166@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
) (parmesan-scripts.mf
@{char@:16th Mensural Flag (down)@:132@:1.89003@:0@:0.31502@:8.66252@:0@:0@:men
surald24@} [132]
@{group@:scripts@}
@{char@:ictus@:167@:0.21236@:0.21236@:0.49089@:0.49089@:0.21236@:0@:ictus@}
[167]
@{char@:accentus up@:168@:0.35063@:0.35063@:0.49089@:0.49089@:0.35063@:0@:uacce
ntus@} [168]
@{char@:accentus down@:169@:0.35063@:0.35063@:0.49089@:0.49089@:0.35063@:0@:dac
centus@} [169]
@{char@:half circle@:170@:0.4383@:0.4383@:0@:0.4383@:0.4383@:0@:usemicirculus@}
[170]
@{char@:petrucci g clef@:78@:0@:3.53502@:1.8382@:10.74648@:3.53502@:0@:petrucci
.g_change@} [78]
@{char@:32th Mensural Flag (up)@:133@:0@:1.89003@:12.60004@:0.31502@:1.89003@:0
@:mensuralu05@} [133]
@{char@:half circle@:171@:0.4383@:0.4383@:0.4383@:0@:0.4383@:0@:dsemicirculus@}
[171]
@{char@:circle@:172@:0.4383@:0.4383@:0.4383@:0.4383@:0.4383@:0@:circulus@}
[172]
@{char@:augmentum@:173@:0.35063@:0.35063@:0.35063@:0.35063@:0.35063@:0@:augment
um@} [173]
@{char@:32th Mensural Flag (up)@:134@:0@:1.89003@:11.02504@:0.31502@:1.89003@:0
@:mensuralu15@} [134]
@{char@:signum congruentiae up@:174@:2.03958@:2.03958@:1.06178@:7.09651@:2.0395
8@:0@:usignumcongruentiae@} [174]
@{char@:32th Mensural Flag (up)@:135@:0@:1.89003@:11.81253@:0.31502@:1.89003@:0
@:mensuralu25@} [135]
@{char@:signum congruentiae down@:175@:2.03958@:2.03958@:7.09651@:1.06178@:2.03
958@:0@:dsignumcongruentiae@} [175]
@{char@:Kievan end of piece (slash)@:176@:0@:4.48798@:6.01349@:8.01155@:4.48798
@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
) (parmesan-dots.mf
@{char@:32th Mensural Flag (down)@:136@:1.89003@:0@:0.31502@:12.60004@:0@:0@:me
nsurald05@} [136]
@{group@:dots@}
@{char@:duration dot@:177@:0@:0.79343@:0.39671@:0.39671@:0.79343@:0@:dotvatican
a@} [177]
@{char@:Kievan augmentation dot@:178@:0@:2.3803@:1.19016@:1.19016@:2.3803@:0@:d
otkievan@} [178]
@{puorg@:dots@}
)
@{tnof@})
@{char@:32th Mensural Flag (down)@:137@:1.89003@:0@:0.31502@:11.02504@:0@:0@:me
nsurald15@} [137]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:32th Mensural Flag (down)@:138@:1.89003@:0@:0.31502@:11.81253@:0@:0@:me
nsurald25@} [138]
@{char@:64th Mensural Flag (up)@:139@:0@:1.89003@:15.75005@:0.31502@:1.89003@:0
@:mensuralu06@} [139]
@{char@:64th Mensural Flag (up)@:140@:0@:1.89003@:14.17505@:0.31502@:1.89003@:0
@:mensuralu16@} [140]
@{char@:64th Mensural Flag (up)@:141@:0@:1.89003@:14.96254@:0.31502@:1.89003@:0
@:mensuralu26@} [141]
@{char@:64th Mensural Flag (down)@:142@:1.89003@:0@:0.31502@:15.75005@:0@:0@:me
nsurald06@} [142]
@{char@:64th Mensural Flag (down)@:143@:1.89003@:0@:0.31502@:14.17505@:0@:0@:me
nsurald16@} [143]
@{char@:petrucci g clef@:77@:0@:4.95938@:2.57886@:15.0765@:4.95938@:0@:petrucci
.g@} [77]
@{char@:64th Mensural Flag (down)@:144@:1.89003@:0@:0.31502@:14.96254@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
) (parmesan-timesignatures.mf )
(some charht values had to be adjusted by as much as 0.35063pt)
(some chardp values had to be adjusted by as much as 0.35063pt)
Font metrics written on parmesan11.tfm.
Output written on parmesan11.600gf (146 characters, 27008 bytes).
Transcript written on parmesan11.log.

@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural44@} [145mv parmesan11.log parmesan11.tfm ./out
]
@{char@:Mensural 2/2 meter@:146@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al22@} [146]
@{char@:Mensural 3/2 meter@:147@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural32@} [147]
@{char@:Mensural 6/4 meter@:148@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural64@} [148]
@{char@:Mensural 9/4 meter@:149@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural94@} [149]
@{char@:Mensural 3/4 meter@:150@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al34@} [150]
(parmesan18.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Mensural 6/8 meter@:151@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al68@} [151] (parmesan-generic.mf
@{char@:Mensural 9/8 meter@:152@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al98@} [152]
@{char@:Mensural 4/8 meter@:153@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural48@} [153]
@{char@:Mensural 6/8 meter@:154@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural68alt@} [154] (feta-macros.mf
@{char@:Mensural 2/4 meter@:155@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al24@} [155]) (feta-params.mf
@{char@:Mensural 4/4 meter@:156@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural44@} [156])
@{char@:Mensural 2/2 meter@:157@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural22@} [157] (parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:17.82@:parmesanMusic@}
(parmesan-rests.mf
@{char@:Mensural 3/2 meter@:158@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural32@} [158]
@{char@:Mensural 6/4 meter@:159@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural64@} [159]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:5.346@:4.455@:4.455@:5.346@:0@:M3neome
nsural@} [33]
@{char@:Mensural 9/4 meter@:160@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural94@} [160]
@{char@:Neo-mensural longa rest@:34@:0@:1.782@:4.455@:4.455@:1.782@:0@:M2neomen
sural@} [34]
@{char@:Neo-mensural breve rest@:35@:0@:1.782@:0@:4.455@:1.782@:0@:M1neomensura
l@} [35]
@{char@:Neo-mensural whole rest@:36@:0@:1.782@:2.78438@:0@:1.782@:0@:0neomensur
al@} [36]
@{char@:Mensural 3/4 meter@:161@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural34@} [161]
@{char@:Neo-mensural half rest@:37@:0@:1.782@:0@:2.78438@:1.782@:0@:1neomensura
l@} [37]rm -f parmesan11.*gf  parmesan11.*pk

@{char@:Neo-mensural 4th rest@:38@:0@:3.56401@:0@:3.56401@:3.56401@:0@:2neomens
ural@} [38]
@{char@:Mensural 6/8 meter@:162@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural68@} [162]
@{char@:Neo-mensural 8th rest@:39@:0@:3.56401@:0@:3.56401@:3.56401@:0@:3neomens
ural@} [39]
@{char@:Neo-mensural 16th rest@:40@:0@:3.56401@:0@:4.455@:3.56401@:0@:4neomensu
ral@} [40
@{char@:Mensural 9/8 meter@:163@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural98@} [163]]
@{char@:Mensural maxima rest@:41@:0@:1.33652@:4.455@:8.91@:1.33652@:0@:M3mensur
al@} [41]
@{char@:Mensural longa rest@:42@:0@:1.33652@:4.455@:4.455@:1.33652@:0@:M2mensur
al@} [42]
@{char@:Mensural 4/8 meter@:164@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural48@} [164]
@{char@:Mensural breve rest@:43@:0@:1.33652@:0@:4.455@:1.33652@:0@:M1mensural@}
[43]
@{char@:Mensural whole rest@:44@:0@:1.33652@:2.78438@:0@:1.33652@:0@:0mensural@
} [44]
@{char@:Mensural half rest@:45@:0@:1.33652@:0@:2.78438@:1.33652@:0@:1mensural@}
[45]
@{char@:Mensural 4th rest@:46@:0@:3.56401@:0@:3.56401@:3.56401@:0@:2mensural@}
[46]
@{char@:Mensural 6/8 meter@:165@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural68alt@} [165]
@{char@:Mensural 8th rest@:47@:0@:3.56401@:0@:3.56401@:3.56401@:0@:3mensural@}
[47]
@{char@:Mensural 16th rest@:48@:0@:3.56401@:0@:4.455@:3.56401@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (parmesan-clefs.mf
@{char@:Mensural 2/4 meter@:166@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
) (parmesan-scripts.mf
@{group@:scripts@}
@{char@:ictus@:167@:0.21828@:0.21828@:0.55127@:0.55127@:0.21828@:0@:ictus@}
[167]
@{char@:accentus up@:168@:0.39375@:0.39375@:0.55127@:0.55127@:0.39375@:0@:uacce
ntus@} [168
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:2.22751@:3.56401@:3.56401@:2.22751@:0@:vatican
a.do@} [49]]
@{char@:accentus down@:169@:0.39375@:0.39375@:0.55127@:0.55127@:0.39375@:0@:dac
centus@} [169]
@{char@:half circle@:170@:0.49219@:0.49219@:0@:0.49219@:0.49219@:0@:usemicircul
us@} [170]
@{char@:Ed. Vat. do clef@:50@:0@:2.22751@:3.56401@:3.56401@:2.22751@:0@:vatican
a.do_change@} [50]
@{char@:half circle@:171@:0.49219@:0.49219@:0.49219@:0@:0.49219@:0@:dsemicircul
us@} [171]
@{char@:circle@:172@:0.49219@:0.49219@:0.49219@:0.49219@:0.49219@:0@:circulus@}
[172]
@{char@:augmentum@:173@:0.39375@:0.39375@:0.39375@:0.39375@:0.39375@:0@:augment
um@} [173]
@{char@:Ed. Vat. fa clef@:51@:0@:4.67776@:6.68251@:3.56401@:4.67776@:0@:vatican
a.fa@} [51]
@{char@:signum congruentiae up@:174@:2.22984@:2.22984@:1.09138@:7.82796@:2.2298
4@:0@:usignumcongruentiae@} [174]
@{char@:signum congruentiae down@:175@:2.22984@:2.22984@:7.82796@:1.09138@:2.22
984@:0@:dsignumcongruentiae@} [175]
@{char@:Ed. Vat. fa clef@:52@:0@:4.67776@:6.68251@:3.56401@:4.67776@:0@:vatican
a.fa_change@} [52]
@{char@:Kievan end of piece (slash)@:176@:0@:5.03998@:6.71474@:9.03531@:5.03998
@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
) (parmesan-dots.mf
@{char@:Ed. Med. do clef@:53@:0@:4.455@:6.68251@:6.68251@:4.455@:0@:medicaea.do
@} [53
@{group@:dots@}
@{char@:duration dot@:177@:0@:0.90448@:0.45224@:0.45224@:0.90448@:0@:dotvatican
a@} [177]]
@{char@:Kievan augmentation dot@:178@:0@:2.71346@:1.35674@:1.35674@:2.71346@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@})
@{char@:Ed. Med. do clef@:54@:0@:3.56401@:5.34602@:5.34602@:3.56401@:0@:medicae
a.do_change@} [54]
@{char@:Ed. Med. fa clef@:55@:0@:7.57349@:6.68251@:6.68251@:7.57349@:0@:medicae
a.fa@} [55] )
(some charht values had to be adjusted by as much as 0.39375pt)
(some chardp values had to be adjusted by as much as 0.39375pt)
Font metrics written on parmesan13.tfm.
Output written on parmesan13.600gf (146 characters, 29924 bytes).
Transcript written on parmesan13.log.

@{char@:Ed. Med. fa clef@:56@:0@:6.0588@:5.34602@:5.34602@:6.0588@:0@:medicaea.
fa_change@} [56]
@{char@:neo-mensural c clef@:57@:0@:11.79803@:8.91@:8.91@:11.79803@:0@:neomensu
ral.c@} [57]
@{char@:neo-mensural c clef@:58@:0@:9.43845@:7.12802@:7.12802@:9.43845@:0@:neom
ensural.c_change@} [58]
@{char@:petrucci c1 clef@:59@:0@:4.455@:6.23697@:14.256@:4.455@:0@:petrucci.c1@
} [59]
@{char@:petrucci c1 clef@:60@:0@:3.56401@:5.5785@:12.75092@:3.56401@:0@:petrucc
i.c1_change@} [60]
@{char@:mensural g clef@:79@:0@:4.41876@:2.29773@:13.43303@:4.41876@:0@:mensura
l.g@} [79]
@{char@:petrucci c2 clef@:61@:0@:4.455@:10.69197@:14.256@:4.455@:0@:petrucci.c2
@} [61]
@{char@:petrucci c2 clef@:62@:0@:3.56401@:9.56317@:12.75092@:3.56401@:0@:petruc
ci.c2_change@} [62]
@{char@:petrucci c3 clef@:63@:0@:4.455@:14.256@:14.256@:4.455@:0@:petrucci.c3@}
[63]
@{char@:petrucci c3 clef@:64@:0@:3.56401@:12.75092@:12.75092@:3.56401@:0@:petru
cci.c3_change@} [64]
@{char@:petrucci c4 clef@:65@:0@:4.455@:14.256@:10.69197@:4.455@:0@:petrucci.c4
@} [65]
@{char@:petrucci c4 clef@:66@:0@:3.56401@:12.75092@:9.56317@:3.56401@:0@:petruc
ci.c4_change@} [66]
@{char@:petrucci c5 clef@:67@:0@:4.455@:14.256@:6.23697@:4.455@:0@:petrucci.c5@
} [67]
@{char@:petrucci c5 clef@:68@:0@:3.56401@:12.75092@:5.5785@:3.56401@:0@:petrucc
i.c5_change@} [68]
@{char@:mensural c clef@:69@:0@:5.12888@:9.801@:9.801@:5.12888@:0@:mensural.c@}
[69]
@{char@:mensural c clef@:70@:0@:4.23788@:7.8408@:7.8408@:4.23788@:0@:mensural.c
_change@} [70]
@{char@:black mensural c clef@:71@:0@:5.12888@:9.801@:9.801@:5.12888@:0@:blackm
ensural.c@} [71]
@{char@:black mensural c clef@:72@:0@:4.23788@:7.8408@:7.8408@:4.23788@:0@:blac
kmensural.c_change@} [72]
@{char@:petrucci g clef@:78@:0@:3.96751@:2.0631@:12.06125@:3.96751@:0@:petrucci
.g_change@} [78]
@{char@:petrucci f clef@:73@:0@:8.67128@:20.04752@:11.13751@:8.67128@:0@:petruc
ci.f@} [73]
@{char@:petrucci f clef@:74@:0@:6.93706@:16.03807@:8.91005@:6.93706@:0@:petrucc
i.f_change@} [74]
@{char@:mensural f clef@:75@:0@:5.346@:2.673@:2.673@:5.346@:0@:mensural.f@}
[75]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:mensural f clef@:76@:0@:4.27681@:2.13841@:2.13841@:4.27681@:0@:mensural
.f_change@} [76]mv parmesan13.log parmesan13.tfm ./out
( echo ./out/parmesan23.tfm:  > out/parmesan23.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan23.mf;" 

(parmesan20.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-generic.mf (feta-macros.mf) (feta-params.mf) (parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:20@:parmesanMusic@}
(parmesan-rests.mf
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:6@:5@:5@:6@:0@:M3neomensural@}
[33]
@{char@:Neo-mensural longa rest@:34@:0@:2@:5@:5@:2@:0@:M2neomensural@} [34]
@{char@:Neo-mensural breve rest@:35@:0@:2@:0@:5@:2@:0@:M1neomensural@} [35]
@{char@:Neo-mensural whole rest@:36@:0@:2@:3.125@:0@:2@:0@:0neomensural@}
[36]
@{char@:Neo-mensural half rest@:37@:0@:2@:0@:3.125@:2@:0@:1neomensural@}
[37]
@{char@:Neo-mensural 4th rest@:38@:0@:4.00002@:0@:4.00002@:4.00002@:0@:2neomens
ural@} [38]
@{char@:Neo-mensural 8th rest@:39@:0@:4.00002@:0@:4.00002@:4.00002@:0@:3neomens
ural@} [39]
@{char@:Neo-mensural 16th rest@:40@:0@:4.00002@:0@:5@:4.00002@:0@:4neomensural@
} [40]
@{char@:Mensural maxima rest@:41@:0@:1.50002@:5@:10@:1.50002@:0@:M3mensural@}
[41]
@{char@:Mensural longa rest@:42@:0@:1.50002@:5@:5@:1.50002@:0@:M2mensural@}
[42]
@{char@:Mensural breve rest@:43@:0@:1.50002@:0@:5@:1.50002@:0@:M1mensural@}
[43]
@{char@:Mensural whole rest@:44@:0@:1.50002@:3.125@:0@:1.50002@:0@:0mensural@}
[44]
@{char@:Mensural half rest@:45@:0@:1.50002@:0@:3.125@:1.50002@:0@:1mensural@}
[45]
@{char@:Mensural 4th rest@:46@:0@:4.00002@:0@:4.00002@:4.00002@:0@:2mensural@}
[46]
@{char@:Mensural 8th rest@:47@:0@:4.00002@:0@:4.00002@:4.00002@:0@:3mensural@}
[47]
@{char@:Mensural 16th rest@:48@:0@:4.00002@:0@:5@:4.00002@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (parmesan-clefs.mfrm -f parmesan13.*gf  parmesan13.*pk

@{char@:mensural g clef@:80@:0@:3.53502@:1.8382@:10.74648@:3.53502@:0@:mensural
.g_change@} [80]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:2.5@:4.00002@:4.00002@:2.5@:0@:vaticana.do@}
[49]
@{char@:Hufnagel do clef@:81@:0@:3.88852@:2.47449@:2.65126@:3.88852@:0@:hufnage
l.do@} [81]
@{char@:Ed. Vat. do clef@:50@:0@:2.5@:4.00002@:4.00002@:2.5@:0@:vaticana.do_cha
nge@} [50]
@{char@:petrucci g clef@:77@:0@:5.56876@:2.89572@:16.92902@:5.56876@:0@:petrucc
i.g@} [77]
@{char@:Hufnagel do clef@:82@:0@:3.11084@:1.9796@:2.12102@:3.11084@:0@:hufnagel
.do_change@} [82]
@{char@:Ed. Vat. fa clef@:51@:0@:5.25002@:7.5@:4.00002@:5.25002@:0@:vaticana.fa
@} [51]
@{char@:Hufnagel fa clef@:83@:0@:4.24199@:4.06523@:3.535@:4.24199@:0@:hufnagel.
fa@} [83]
@{char@:Hufnagel fa clef@:84@:0@:3.39362@:3.2522@:2.82802@:3.39362@:0@:hufnagel
.fa_change@} [84]
@{char@:Ed. Vat. fa clef@:52@:0@:5.25002@:7.5@:4.00002@:5.25002@:0@:vaticana.fa
_change@} [52]
@{char@:Ed. Med. do clef@:53@:0@:5@:7.5@:7.5@:5@:0@:medicaea.do@} [53]
@{char@:Hufnagel do/fa clef@:85@:0@:4.24199@:11.13524@:2.65126@:4.24199@:0@:huf
nagel.do.fa@} [85]
@{char@:Ed. Med. do clef@:54@:0@:4.00002@:6.00003@:6.00003@:4.00002@:0@:medicae
a.do_change@} [54]
@{char@:mensural g clef@:79@:0@:4.95938@:2.57886@:15.0765@:4.95938@:0@:mensural
.g@} [79]
@{char@:Hufnagel do/fa clef@:86@:0@:3.39362@:10.3222@:2.12102@:3.39362@:0@:hufn
agel.do.fa_change@} [86]
@{char@:Ed. Med. fa clef@:55@:0@:8.49998@:7.5@:7.5@:8.49998@:0@:medicaea.fa@}
[55]
@{char@:Kievan tsefaut clef@:87@:0@:5.3025@:7.95377@:1.94426@:5.3025@:0@:kievan
.do@} [87]
@{char@:Kievan tsefaut clef@:88@:0@:5.3025@:7.95377@:1.94426@:5.3025@:0@:kievan
.do_change@} [88]
@{puorg@:clefs@}
) (parmesan-custodes.mf
@{char@:Ed. Med. fa clef@:56@:0@:6.80002@:6.00003@:6.00003@:6.80002@:0@:medicae
a.fa_change@} [56]
@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.39088@:1.99239@:3.535@:2.39088@:0@:hufnagel.u
0@} [89]
@{char@:Custos Hufnagel@:90@:0@:2.39088@:1.99239@:5.3025@:2.39088@:0@:hufnagel.
u1@} [90]
@{char@:neo-mensural c clef@:57@:0@:13.00027@:10@:10@:13.00027@:0@:neomensural.
c@} [57
@{char@:Custos Hufnagel@:91@:0@:2.39088@:1.99239@:4.41876@:2.39088@:0@:hufnagel
.u2@} [91]]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.39088@:3.535@:1.99239@:2.39088@:0@:hu
fnagel.d0@} [92]
@{char@:neo-mensural c clef@:58@:0@:10.40027@:8.00003@:8.00003@:10.40027@:0@:ne
omensural.c_change@} [58]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.39088@:5.3025@:1.99239@:2.39088@:0@:h
ufnagel.d1@} [93]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.39088@:4.41876@:1.99239@:2.39088@:0@:
hufnagel.d2@} [94]
@{char@:Custos Med.@:95@:0@:0.9962@:1.99239@:3.535@:0.9962@:0@:medicaea.u0@}
[95
@{char@:petrucci c1 clef@:59@:0@:5@:6.99997@:15.99998@:5@:0@:petrucci.c1@}
[59]]
@{char@:Custos Med.@:96@:0@:0.9962@:1.99239@:5.3025@:0.9962@:0@:medicaea.u1@}
[96]
@{char@:Custos Med.@:97@:0@:0.9962@:1.99239@:4.41876@:0.9962@:0@:medicaea.u2@}
[97]
@{char@:petrucci c1 clef@:60@:0@:4.00002@:6.26094@:14.31078@:4.00002@:0@:petruc
ci.c1_change@} [60]
@{char@:Reverse Custos Med.@:98@:0@:0.9962@:3.535@:1.99239@:0.9962@:0@:medicaea
.d0@} [98]
@{char@:Reverse Custos Med.@:99@:0@:0.9962@:5.3025@:1.99239@:0.9962@:0@:medicae
a.d1@} [99]
@{char@:petrucci c2 clef@:61@:0@:5@:11.99997@:15.99998@:5@:0@:petrucci.c2@}
[61]
@{char@:Reverse Custos Med.@:100@:0@:0.9962@:4.41876@:1.99239@:0.9962@:0@:medic
aea.d2@} [100]
@{char@:Custos Ed. Vat.@:101@:0@:0.95636@:1.23534@:3.535@:0.95636@:0@:vaticana.
u0@} [101]
@{char@:petrucci c2 clef@:62@:0@:4.00002@:10.73306@:14.31078@:4.00002@:0@:petru
cci.c2_change@} [62]
@{char@:Custos Ed. Vat.@:102@:0@:0.95636@:1.23534@:5.3025@:0.95636@:0@:vaticana
.u1@} [102]
@{char@:Custos Ed. Vat.@:103@:0@:0.95636@:1.23534@:4.41876@:0.95636@:0@:vatican
a.u2@} [103]
@{char@:petrucci c3 clef@:63@:0@:5@:15.99998@:15.99998@:5@:0@:petrucci.c3@}
[63]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:0.95636@:3.535@:1.23534@:0.95636@:0@:v
aticana.d0@} [104]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:0.95636@:5.3025@:1.23534@:0.95636@:0@:
vaticana.d1@} [105]
@{char@:petrucci c3 clef@:64@:0@:4.00002@:14.31078@:14.31078@:4.00002@:0@:petru
cci.c3_change@} [64]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:0.95636@:4.41876@:1.23534@:0.95636@:0@
:vaticana.d2@} [106]
@{char@:petrucci c4 clef@:65@:0@:5@:15.99998@:11.99997@:5@:0@:petrucci.c4@}
[65
@{char@:Custos Mensural@:107@:0@:4.78171@:1.31499@:7.07@:4.78171@:0@:mensural.u
0@} [107]]
@{char@:Custos Mensural@:108@:0@:4.78171@:1.31499@:8.83751@:4.78171@:0@:mensura
l.u1@} [108]
@{char@:petrucci c4 clef@:66@:0@:4.00002@:14.31078@:10.73306@:4.00002@:0@:petru
cci.c4_change@} [66]
@{char@:Custos Mensural@:109@:0@:4.78171@:1.31499@:7.95377@:4.78171@:0@:mensura
l.u2@} [109]
@{char@:petrucci c5 clef@:67@:0@:5@:15.99998@:6.99997@:5@:0@:petrucci.c5@}
[67]
@{char@:Reverse Custos Mensural@:110@:0@:4.78171@:7.07@:1.31499@:4.78171@:0@:me
nsural.d0@} [110]
@{char@:petrucci c5 clef@:68@:0@:4.00002@:14.31078@:6.26094@:4.00002@:0@:petruc
ci.c5_change@} [68]
@{char@:Reverse Custos Mensural@:111@:0@:4.78171@:8.83751@:1.31499@:4.78171@:0@
:mensural.d1@} [111]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Reverse Custos Mensural@:112@:0@:4.78171@:7.95377@:1.31499@:4.78171@:0@
:mensural.d2@} [112
@{char@:mensural c clef@:69@:0@:5.70006@:10.99998@:10.99998@:5.70006@:0@:mensur
al.c@} [69]]
@{puorg@:custodes@}
) (parmesan-accidentals.mf
@{char@:mensural c clef@:70@:0@:4.70007@:8.80002@:8.80002@:4.70007@:0@:mensural
.c_change@} [70]
@{char@:petrucci g clef@:78@:0@:4.45502@:2.31659@:13.54326@:4.45502@:0@:petrucc
i.g_change@} [78
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.35352@:2.12102@:2.12102@:3.535@:2.12102@:0@:medic
aeaM1@} [113]]
@{char@:black mensural c clef@:71@:0@:5.70006@:10.99998@:10.99998@:5.70006@:0@:
blackmensural.c@} [71]
@{char@:Ed. Vat. Flat@:114@:0.11244@:1.87994@:1.20189@:3.21687@:1.87994@:0@:vat
icanaM1@} [114]
@{char@:Ed. Vat. Natural@:115@:0.1799@:1.59389@:2.68658@:2.68658@:1.59389@:0@:v
aticana0@} [115]
@{char@:black mensural c clef@:72@:0@:4.70007@:8.80002@:8.80002@:4.70007@:0@:bl
ackmensural.c_change@} [72]( echo ./out/parmesan26.tfm:  > out/parmesan26.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan26.mf;" 

@{char@:Mensural Sharp@:116@:1.3111@:2.01807@:1.59389@:1.59389@:2.01807@:0@:men
sural1@} [116]
@{char@:Mensural Flat@:117@:0.33733@:1.75131@:1.22108@:6.70035@:1.75131@:0@:men
suralM1@} [117]
@{char@:petrucci f clef@:73@:0@:9.73207@:22.5@:12.5@:9.73207@:0@:petrucci.f@}
[73]
@{char@:petrucci f clef@:74@:0@:7.78569@:18.00008@:10.00005@:7.78569@:0@:petruc
ci.f_change@} [74]
@{char@:mensural f clef@:75@:0@:5.99998@:3@:3@:5.99998@:0@:mensural.f@}
[75]
@{char@:mensural f clef@:76@:0@:4.8@:2.40001@:2.40001@:4.8@:0@:mensural.f_chang
e@} [76]
(parmesan23.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-generic.mf (feta-macros.mf) (feta-params.mf) (parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:22.45@:parmesanMusic@}
(parmesan-rests.mf
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:6.73499@:5.6125@:5.6125@:6.73499@:0@:M
3neomensural@} [33]
@{char@:Neo-mensural longa rest@:34@:0@:2.245@:5.6125@:5.6125@:2.245@:0@:M2neom
ensural@} [34]
@{char@:Neo-mensural breve rest@:35@:0@:2.245@:0@:5.6125@:2.245@:0@:M1neomensur
al@} [35]
@{char@:Neo-mensural whole rest@:36@:0@:2.245@:3.50781@:0@:2.245@:0@:0neomensur
al@} [36]
@{char@:Neo-mensural half rest@:37@:0@:2.245@:0@:3.50781@:2.245@:0@:1neomensura
l@} [37]
@{char@:Neo-mensural 4th rest@:38@:0@:4.49002@:0@:4.49002@:4.49002@:0@:2neomens
ural@} [38]
@{char@:Neo-mensural 8th rest@:39@:0@:4.49002@:0@:4.49002@:4.49002@:0@:3neomens
ural@} [39]
@{char@:Neo-mensural 16th rest@:40@:0@:4.49002@:0@:5.6125@:4.49002@:0@:4neomens
ural@} [40]
@{char@:Mensural maxima rest@:41@:0@:1.68376@:5.6125@:11.225@:1.68376@:0@:M3men
sural@} [41]
@{char@:mensural g clef@:80@:0@:3.96751@:2.0631@:12.06125@:3.96751@:0@:mensural
.g_change@} [80
@{char@:Mensural longa rest@:42@:0@:1.68376@:5.6125@:5.6125@:1.68376@:0@:M2mens
ural@} [42]]
@{char@:Mensural breve rest@:43@:0@:1.68376@:0@:5.6125@:1.68376@:0@:M1mensural@
} [43]
@{char@:Mensural whole rest@:44@:0@:1.68376@:3.50781@:0@:1.68376@:0@:0mensural@
} [44]
@{char@:Mensural half rest@:45@:0@:1.68376@:0@:3.50781@:1.68376@:0@:1mensural@}
[45]
@{char@:Mensural 4th rest@:46@:0@:4.49002@:0@:4.49002@:4.49002@:0@:2mensural@}
[46]
@{char@:Hufnagel do clef@:81@:0@:4.36427@:2.77724@:2.97563@:4.36427@:0@:hufnage
l.do@} [81]
@{char@:Mensural 8th rest@:47@:0@:4.49002@:0@:4.49002@:4.49002@:0@:3mensural@}
[47]
@{char@:Mensural 16th rest@:48@:0@:4.49002@:0@:5.6125@:4.49002@:0@:4mensural@}
[48]
@{puorg@:rests@}
)
@{char@:Hufnagel do clef@:82@:0@:3.49142@:2.2218@:2.38051@:3.49142@:0@:hufnagel
.do_change@} [82 (parmesan-clefs.mf]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:2.80626@:4.49002@:4.49002@:2.80626@:0@:vatican
a.do@} [49
@{char@:Hufnagel fa clef@:83@:0@:4.76099@:4.5626@:3.9675@:4.76099@:0@:hufnagel.
fa@} [83]]
@{char@:Hufnagel Flat@:118@:0.44977@:2.21727@:1.2854@:6.5879@:2.21727@:0@:hufna
gelM1@} [118]
@{char@:Ed. Vat. do clef@:50@:0@:2.80626@:4.49002@:4.49002@:2.80626@:0@:vatican
a.do_change@} [50]
@{char@:Hufnagel fa clef@:84@:0@:3.8088@:3.6501@:3.17401@:3.8088@:0@:hufnagel.f
a_change@} [84]
@{char@:Kievan sharp@:119@:0@:5.65602@:5.65602@:5.65602@:5.65602@:0@:kievan1@}
[119]
@{char@:Kievan flat@:120@:0@:3.535@:3.535@:6.36302@:3.535@:0@:kievanM1@}
[120]
@{char@:mensural g clef@:79@:0@:5.56876@:2.89572@:16.92902@:5.56876@:0@:mensura
l.g@} [79
@{puorg@:accidentals@}
)] (parmesan-flags.mf
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:2.12102@:7.07@:0.35352@:2.12102@:0@:men
suralu03@} [121
@{char@:Ed. Vat. fa clef@:51@:0@:5.89314@:8.41876@:4.49002@:5.89314@:0@:vatican
a.fa@} [51]]
@{char@:Hufnagel do/fa clef@:85@:0@:4.76099@:12.4976@:2.97563@:4.76099@:0@:hufn
agel.do.fa@} [85]
@{char@:8th Mensural Flag (up)@:122@:0@:2.12102@:5.3025@:0.35352@:2.12102@:0@:m
ensuralu13@} [122]
@{char@:8th Mensural Flag (up)@:123@:0@:2.12102@:6.18626@:0.35352@:2.12102@:0@:
mensuralu23@} [123]
@{char@:8th Mensural Flag (down)@:124@:2.12102@:0@:0.35352@:7.07@:0@:0@:mensura
ld03@} [124]
@{char@:Ed. Vat. fa clef@:52@:0@:5.89314@:8.41876@:4.49002@:5.89314@:0@:vatican
a.fa_change@} [52]
@{char@:8th Mensural Flag (down)@:125@:2.12102@:0@:0.35352@:5.3025@:0@:0@:mensu
rald13@} [125]
@{char@:Hufnagel do/fa clef@:86@:0@:3.8088@:11.5851@:2.38051@:3.8088@:0@:hufnag
el.do.fa_change@} [86]
@{char@:8th Mensural Flag (down)@:126@:2.12102@:0@:0.35352@:6.18626@:0@:0@:mens
urald23@} [126]
@{char@:Ed. Med. do clef@:53@:0@:5.6125@:8.41876@:8.41876@:5.6125@:0@:medicaea.
do@} [53]
@{char@:Kievan tsefaut clef@:87@:0@:5.95125@:8.92688@:2.18213@:5.95125@:0@:kiev
an.do@} [87]
@{char@:Kievan tsefaut clef@:88@:0@:5.95125@:8.92688@:2.18213@:5.95125@:0@:kiev
an.do_change@} [88]
@{puorg@:clefs@}
) (parmesan-custodes.mf
@{char@:Ed. Med. do clef@:54@:0@:4.49002@:6.73503@:6.73503@:4.49002@:0@:medicae
a.do_change@} [54
@{char@:16th Mensural Flag (up)@:127@:0@:2.12102@:10.60501@:0.35352@:2.12102@:0
@:mensuralu04@} [127]]
@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.6593@:2.21606@:3.9675@:2.6593@:0@:hufnagel.u0
@} [89]
@{char@:16th Mensural Flag (up)@:128@:0@:2.12102@:8.83751@:0.35352@:2.12102@:0@
:mensuralu14@} [128]
@{char@:Custos Hufnagel@:90@:0@:2.6593@:2.21606@:5.95125@:2.6593@:0@:hufnagel.u
1@} [90]
@{char@:Ed. Med. fa clef@:55@:0@:9.54124@:8.41876@:8.41876@:9.54124@:0@:medicae
a.fa@} [55]
@{char@:Custos Hufnagel@:91@:0@:2.6593@:2.21606@:4.95938@:2.6593@:0@:hufnagel.u
2@} [91]
@{char@:16th Mensural Flag (up)@:129@:0@:2.12102@:9.72127@:0.35352@:2.12102@:0@
:mensuralu24@} [129]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.6593@:3.9675@:2.21606@:2.6593@:0@:huf
nagel.d0@} [92]
@{char@:Ed. Med. fa clef@:56@:0@:7.63303@:6.73503@:6.73503@:7.63303@:0@:medicae
a.fa_change@} [56]
@{char@:16th Mensural Flag (down)@:130@:2.12102@:0@:0.35352@:10.60501@:0@:0@:me
nsurald04@} [130
@{char@:Reverse Custos Hufnagel@:93@:0@:2.6593@:5.95125@:2.21606@:2.6593@:0@:hu
fnagel.d1@} [93]]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.6593@:4.95938@:2.21606@:2.6593@:0@:hu
fnagel.d2@} [94]
@{char@:16th Mensural Flag (down)@:131@:2.12102@:0@:0.35352@:8.83751@:0@:0@:men
surald14@} [131]
@{char@:neo-mensural c clef@:57@:0@:14.35144@:11.225@:11.225@:14.35144@:0@:neom
ensural.c@} [57]
@{char@:Custos Med.@:95@:0@:1.10803@:2.21606@:3.9675@:1.10803@:0@:medicaea.u0@}
[95]
@{char@:Custos Med.@:96@:0@:1.10803@:2.21606@:5.95125@:1.10803@:0@:medicaea.u1@
} [96]
@{char@:16th Mensural Flag (down)@:132@:2.12102@:0@:0.35352@:9.72127@:0@:0@:men
surald24@} [132]
@{char@:neo-mensural c clef@:58@:0@:11.48117@:8.98004@:8.98004@:11.48117@:0@:ne
omensural.c_change@} [58]
@{char@:Custos Med.@:97@:0@:1.10803@:2.21606@:4.95938@:1.10803@:0@:medicaea.u2@
} [97]
@{char@:Reverse Custos Med.@:98@:0@:1.10803@:3.9675@:2.21606@:1.10803@:0@:medic
aea.d0@} [98]
@{char@:32th Mensural Flag (up)@:133@:0@:2.12102@:14.14001@:0.35352@:2.12102@:0
@:mensuralu05@} [133]
@{char@:petrucci c1 clef@:59@:0@:5.6125@:7.85747@:17.95999@:5.6125@:0@:petrucci
.c1@} [59
@{char@:Reverse Custos Med.@:99@:0@:1.10803@:5.95125@:2.21606@:1.10803@:0@:medi
caea.d1@} [99]]
@{char@:Reverse Custos Med.@:100@:0@:1.10803@:4.95938@:2.21606@:1.10803@:0@:med
icaea.d2@} [100]
@{char@:petrucci c1 clef@:60@:0@:4.49002@:7.02791@:16.06386@:4.49002@:0@:petruc
ci.c1_change@} [60
@{char@:32th Mensural Flag (up)@:134@:0@:2.12102@:12.37251@:0.35352@:2.12102@:0
@:mensuralu15@} [134]]
@{char@:Custos Ed. Vat.@:101@:0@:1.06374@:1.37402@:3.9675@:1.06374@:0@:vaticana
.u0@} [101]
@{char@:Custos Ed. Vat.@:102@:0@:1.06374@:1.37402@:5.95125@:1.06374@:0@:vatican
a.u1@} [102]
@{char@:Custos Ed. Vat.@:103@:0@:1.06374@:1.37402@:4.95938@:1.06374@:0@:vatican
a.u2@} [103
@{char@:petrucci c2 clef@:61@:0@:5.6125@:13.46997@:17.95999@:5.6125@:0@:petrucc
i.c2@} [61]]
@{char@:32th Mensural Flag (up)@:135@:0@:2.12102@:13.25627@:0.35352@:2.12102@:0
@:mensuralu25@} [135]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.06374@:3.9675@:1.37402@:1.06374@:0@:
vaticana.d0@} [104]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.06374@:5.95125@:1.37402@:1.06374@:0@
:vaticana.d1@} [105]
@{char@:petrucci c2 clef@:62@:0@:4.49002@:12.04787@:16.06386@:4.49002@:0@:petru
cci.c2_change@} [62]
@{char@:32th Mensural Flag (down)@:136@:2.12102@:0@:0.35352@:14.14001@:0@:0@:me
nsurald05@} [136]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.06374@:4.95938@:1.37402@:1.06374@:0@
:vaticana.d2@} [106]
@{char@:petrucci c3 clef@:63@:0@:5.6125@:17.95999@:17.95999@:5.6125@:0@:petrucc
i.c3@} [63]
@{char@:Custos Mensural@:107@:0@:5.31853@:1.4626@:7.935@:5.31853@:0@:mensural.u
0@} [107]
@{char@:32th Mensural Flag (down)@:137@:2.12102@:0@:0.35352@:12.37251@:0@:0@:me
nsurald15@} [137]
@{char@:petrucci c3 clef@:64@:0@:4.49002@:16.06386@:16.06386@:4.49002@:0@:petru
cci.c3_change@} [64]
@{char@:Custos Mensural@:108@:0@:5.31853@:1.4626@:9.91875@:5.31853@:0@:mensural
.u1@} [108]
@{char@:32th Mensural Flag (down)@:138@:2.12102@:0@:0.35352@:13.25627@:0@:0@:me
nsurald25@} [138]
@{char@:Custos Mensural@:109@:0@:5.31853@:1.4626@:8.92688@:5.31853@:0@:mensural
.u2@} [109]
@{char@:petrucci c4 clef@:65@:0@:5.6125@:17.95999@:13.46997@:5.6125@:0@:petrucc
i.c4@} [65]
@{char@:Reverse Custos Mensural@:110@:0@:5.31853@:7.935@:1.4626@:5.31853@:0@:me
nsural.d0@} [110]
@{char@:petrucci c4 clef@:66@:0@:4.49002@:16.06386@:12.04787@:4.49002@:0@:petru
cci.c4_change@} [66
@{char@:64th Mensural Flag (up)@:139@:0@:2.12102@:17.67502@:0.35352@:2.12102@:0
@:mensuralu06@} [139]
@{char@:Reverse Custos Mensural@:111@:0@:5.31853@:9.91875@:1.4626@:5.31853@:0@:
mensural.d1@} [111]
@{char@:Reverse Custos Mensural@:112@:0@:5.31853@:8.92688@:1.4626@:5.31853@:0@:
mensural.d2@} [112]
@{puorg@:custodes@}
) (parmesan-accidentals.mf
@{char@:64th Mensural Flag (up)@:140@:0@:2.12102@:15.90752@:0.35352@:2.12102@:0
@:mensuralu16@} [140]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.39677@:2.38052@:2.38052@:3.9675@:2.38052@:0@:medi
caeaM1@} [113]
@{char@:petrucci g clef@:77@:0@:6.25@:3.24997@:19.00002@:6.25@:0@:petrucci.g@}
[77]
@{char@:Ed. Vat. Flat@:114@:0.11615@:2.0999@:1.34894@:3.61044@:2.0999@:0@:vatic
anaM1@} [114]
@{char@:mensural g clef@:80@:0@:4.45502@:2.31659@:13.54326@:4.45502@:0@:mensura
l.g_change@} [80]
@{char@:Ed. Vat. Natural@:115@:0.18584@:1.77281@:3.01529@:3.01529@:1.77281@:0@:
vaticana0@} [115]
@{char@:64th Mensural Flag (up)@:141@:0@:2.12102@:16.79128@:0.35352@:2.12102@:0
@:mensuralu26@} [141]
@{char@:Hufnagel do clef@:81@:0@:4.90053@:3.11848@:3.34125@:4.90053@:0@:hufnage
l.do@} [81]
@{char@:Mensural Sharp@:116@:1.45543@:2.24889@:1.77281@:1.77281@:2.24889@:0@:me
nsural1@} [116]
@{char@:Hufnagel do clef@:82@:0@:3.92044@:2.4948@:2.673@:3.92044@:0@:hufnagel.d
o_change@} [82]
@{char@:Mensural Flat@:117@:0.34846@:1.93544@:1.34035@:7.48997@:1.93544@:0@:men
suralM1@} [117
@{char@:Hufnagel fa clef@:83@:0@:5.346@:5.12323@:4.455@:5.346@:0@:hufnagel.fa@}
[83]]
@{char@:64th Mensural Flag (down)@:142@:2.12102@:0@:0.35352@:17.67502@:0@:0@:me
nsurald06@} [142]
@{char@:Hufnagel fa clef@:84@:0@:4.2768@:4.09859@:3.56401@:4.2768@:0@:hufnagel.
fa_change@} [84]
@{char@:Hufnagel do/fa clef@:85@:0@:5.346@:14.03323@:3.34125@:5.346@:0@:hufnage
l.do.fa@} [85]
@{char@:64th Mensural Flag (down)@:143@:2.12102@:0@:0.35352@:15.90752@:0@:0@:me
nsurald16@} [143]
@{char@:Hufnagel do/fa clef@:86@:0@:4.2768@:13.00859@:2.673@:4.2768@:0@:hufnage
l.do.fa_change@} [86]
@{char@:Kievan tsefaut clef@:87@:0@:6.68251@:10.02376@:2.45027@:6.68251@:0@:kie
van.do@} [87]
@{char@:Kievan tsefaut clef@:88@:0@:6.68251@:10.02376@:2.45027@:6.68251@:0@:kie
van.do_change@} [88]
@{puorg@:clefs@}
) (parmesan-custodes.mf
@{char@:64th Mensural Flag (down)@:144@:2.12102@:0@:0.35352@:16.79128@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
) (parmesan-timesignatures.mf
@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.96184@:2.46817@:4.455@:2.96184@:0@:hufnagel.u
0@} [89]
@{char@:Custos Hufnagel@:90@:0@:2.96184@:2.46817@:6.68251@:2.96184@:0@:hufnagel
.u1@} [90]
@{char@:Custos Hufnagel@:91@:0@:2.96184@:2.46817@:5.56876@:2.96184@:0@:hufnagel
.u2@} [91
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural44@} [145]]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.96184@:4.455@:2.46817@:2.96184@:0@:hu
fnagel.d0@} [92]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.96184@:6.68251@:2.46817@:2.96184@:0@:
hufnagel.d1@} [93]
@{char@:Mensural 2/2 meter@:146@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural22@} [146]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.96184@:5.56876@:2.46817@:2.96184@:0@:
hufnagel.d2@} [94]
@{char@:Custos Med.@:95@:0@:1.23409@:2.46817@:4.455@:1.23409@:0@:medicaea.u0@}
[95]
@{char@:Mensural 3/2 meter@:147@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural32@} [147]
@{char@:Custos Med.@:96@:0@:1.23409@:2.46817@:6.68251@:1.23409@:0@:medicaea.u1@
} [96]
@{char@:Custos Med.@:97@:0@:1.23409@:2.46817@:5.56876@:1.23409@:0@:medicaea.u2@
} [97]
@{char@:Reverse Custos Med.@:98@:0@:1.23409@:4.455@:2.46817@:1.23409@:0@:medica
ea.d0@} [98
@{char@:Mensural 6/4 meter@:148@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural64@} [148]]
@{char@:Reverse Custos Med.@:99@:0@:1.23409@:6.68251@:2.46817@:1.23409@:0@:medi
caea.d1@} [99]
@{char@:Reverse Custos Med.@:100@:0@:1.23409@:5.56876@:2.46817@:1.23409@:0@:med
icaea.d2@} [100]
@{char@:Mensural 9/4 meter@:149@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural94@} [149]
@{char@:Custos Ed. Vat.@:101@:0@:1.18475@:1.53035@:4.455@:1.18475@:0@:vaticana.
u0@} [101]
@{char@:Custos Ed. Vat.@:102@:0@:1.18475@:1.53035@:6.68251@:1.18475@:0@:vatican
a.u1@} [102]
@{char@:Custos Ed. Vat.@:103@:0@:1.18475@:1.53035@:5.56876@:1.18475@:0@:vatican
a.u2@} [103]
@{char@:Mensural 3/4 meter@:150@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural34@} [150]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.18475@:4.455@:1.53035@:1.18475@:0@:v
aticana.d0@} [104]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.18475@:6.68251@:1.53035@:1.18475@:0@
:vaticana.d1@} [105]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.18475@:5.56876@:1.53035@:1.18475@:0@
:vaticana.d2@} [106]
@{char@:Mensural 6/8 meter@:151@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural68@} [151]
@{char@:Custos Mensural@:107@:0@:5.9236@:1.629@:8.91@:5.9236@:0@:mensural.u0@}
[107]
@{char@:Custos Mensural@:108@:0@:5.9236@:1.629@:11.13751@:5.9236@:0@:mensural.u
1@} [108]
@{char@:Mensural 9/8 meter@:152@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural98@} [152]
@{char@:Custos Mensural@:109@:0@:5.9236@:1.629@:10.02376@:5.9236@:0@:mensural.u
2@} [109]
@{char@:Mensural 4/8 meter@:153@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural48@} [153]
@{char@:Reverse Custos Mensural@:110@:0@:5.9236@:8.91@:1.629@:5.9236@:0@:mensur
al.d0@} [110]
@{char@:Mensural 6/8 meter@:154@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural68alt@} [154]
@{char@:Reverse Custos Mensural@:111@:0@:5.9236@:11.13751@:1.629@:5.9236@:0@:me
nsural.d1@} [111]
@{char@:Reverse Custos Mensural@:112@:0@:5.9236@:10.02376@:1.629@:5.9236@:0@:me
nsural.d2@} [112]
@{puorg@:custodes@}
) (parmesan-accidentals.mf
@{char@:Mensural 2/4 meter@:155@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural24@} [155]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.44553@:2.67303@:2.67303@:4.455@:2.67303@:0@:medic
aeaM1@} [113]
@{char@:Mensural 4/4 meter@:156@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural44@} [156]
@{char@:Ed. Vat. Flat@:114@:0.12033@:2.34784@:1.51468@:4.05406@:2.34784@:0@:vat
icanaM1@} [114]
@{char@:Ed. Vat. Natural@:115@:0.19254@:1.9745@:3.38577@:3.38577@:1.9745@:0@:va
ticana0@} [115]
@{char@:Mensural 2/2 meter@:157@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural22@} [157]]
@{char@:Mensural Sharp@:116@:1.61812@:2.5091@:1.9745@:1.9745@:2.5091@:0@:mensur
al1@} [116]( echo ./out/parmesan-noteheads11.tfm:  > out/parmesan-noteheads11.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan-noteheads11.mf;" 

@{char@:Mensural 3/2 meter@:158@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural32@} [158]
@{char@:petrucci c5 clef@:67@:0@:5.6125@:17.95999@:7.85747@:5.6125@:0@:petrucci
.c5@} [67]
@{char@:Mensural Flat@:117@:0.36101@:2.14297@:1.47476@:8.38002@:2.14297@:0@:men
suralM1@} [117]
@{char@:Mensural 6/4 meter@:159@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural64@} [159]
@{char@:petrucci c5 clef@:68@:0@:4.49002@:16.06386@:7.02791@:4.49002@:0@:petruc
ci.c5_change@} [68]
@{char@:mensural c clef@:69@:0@:6.342@:12.34749@:12.34749@:6.342@:0@:mensural.c
@} [69]
@{char@:Mensural 9/4 meter@:160@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural94@} [160]
@{char@:mensural c clef@:70@:0@:5.21951@:9.87804@:9.87804@:5.21951@:0@:mensural
.c_change@} [70]
@{char@:black mensural c clef@:71@:0@:6.342@:12.34749@:12.34749@:6.342@:0@:blac
kmensural.c@} [71
@{char@:Mensural 3/4 meter@:161@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural34@} [161]]
@{char@:black mensural c clef@:72@:0@:5.21951@:9.87804@:9.87804@:5.21951@:0@:bl
ackmensural.c_change@} [72]
@{char@:Mensural 6/8 meter@:162@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural68@} [162]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Mensural 9/8 meter@:163@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural98@} [163]
@{char@:petrucci f clef@:73@:0@:10.92426@:25.25627@:14.03127@:10.92426@:0@:petr
ucci.f@} [73]
@{char@:Hufnagel Flat@:118@:0.46461@:2.44836@:1.42258@:7.37383@:2.44836@:0@:huf
nagelM1@} [118]
@{char@:Mensural 4/8 meter@:164@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural48@} [164]
@{char@:Kievan sharp@:119@:0@:6.34802@:6.34802@:6.34802@:6.34802@:0@:kievan1@}
[119]
@{char@:Mensural 6/8 meter@:165@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural68alt@} [165]
@{char@:petrucci f clef@:74@:0@:8.73944@:20.2051@:11.22505@:8.73944@:0@:petrucc
i.f_change@} [74]
@{char@:Kievan flat@:120@:0@:3.9675@:3.9675@:7.14151@:3.9675@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
) (parmesan-flags.mf
@{char@:Mensural 2/4 meter@:166@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
) (parmesan-scripts.mf
@{char@:mensural f clef@:75@:0@:6.73499@:3.3675@:3.3675@:6.73499@:0@:mensural.f
@} [75]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:2.38052@:7.935@:0.39677@:2.38052@:0@:me
nsuralu03@} [121]
@{group@:scripts@}
@{char@:ictus@:167@:0.22488@:0.22488@:0.61864@:0.61864@:0.22488@:0@:ictus@}
[167]
@{char@:mensural f clef@:76@:0@:5.38802@:2.69402@:2.69402@:5.38802@:0@:mensural
.f_change@} [76]
@{char@:8th Mensural Flag (up)@:122@:0@:2.38052@:5.95125@:0.39677@:2.38052@:0@:
mensuralu13@} [122]
@{char@:accentus up@:168@:0.44188@:0.44188@:0.61864@:0.61864@:0.44188@:0@:uacce
ntus@} [168]
@{char@:8th Mensural Flag (up)@:123@:0@:2.38052@:6.94313@:0.39677@:2.38052@:0@:
mensuralu23@} [123]
@{char@:accentus down@:169@:0.44188@:0.44188@:0.61864@:0.61864@:0.44188@:0@:dac
centus@} [169]
@{char@:half circle@:170@:0.55235@:0.55235@:0@:0.55235@:0.55235@:0@:usemicircul
us@} [170]
@{char@:8th Mensural Flag (down)@:124@:2.38052@:0@:0.39677@:7.935@:0@:0@:mensur
ald03@} [124]
@{char@:half circle@:171@:0.55235@:0.55235@:0.55235@:0@:0.55235@:0@:dsemicircul
us@} [171]
@{char@:8th Mensural Flag (down)@:125@:2.38052@:0@:0.39677@:5.95125@:0@:0@:mens
urald13@} [125
@{char@:circle@:172@:0.55235@:0.55235@:0.55235@:0.55235@:0.55235@:0@:circulus@}
[172]]
@{char@:augmentum@:173@:0.44188@:0.44188@:0.44188@:0.44188@:0.44188@:0@:augment
um@} [173]
@{char@:8th Mensural Flag (down)@:126@:2.38052@:0@:0.39677@:6.94313@:0@:0@:mens
urald23@} [126]
@{char@:16th Mensural Flag (up)@:127@:0@:2.38052@:11.9025@:0.39677@:2.38052@:0@
:mensuralu04@} [127]
@{char@:signum congruentiae up@:174@:2.44215@:2.44215@:1.12442@:8.6442@:2.44215
@:0@:usignumcongruentiae@} [174
(parmesan26.mf] (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-generic.mf
@{char@:16th Mensural Flag (up)@:128@:0@:2.38052@:9.91875@:0.39677@:2.38052@:0@
:mensuralu14@} [128] (feta-macros.mf
@{char@:signum congruentiae down@:175@:2.44215@:2.44215@:8.6442@:1.12442@:2.442
15@:0@:dsignumcongruentiae@} [175]) (feta-params.mf
@{char@:16th Mensural Flag (up)@:129@:0@:2.38052@:10.91063@:0.39677@:2.38052@:0
@:mensuralu24@} [129]
@{char@:Kievan end of piece (slash)@:176@:0@:5.65596@:7.49728@:10.17773@:5.6559
6@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
) (parmesan-dots.mf)
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.02841@:0.5142@:0.5142@:1.02841@:0@:dotvaticana@
} [177] (parmesan-macros.mf
@{char@:16th Mensural Flag (down)@:130@:2.38052@:0@:0.39677@:11.9025@:0@:0@:men
surald04@} [130]
@{char@:Kievan augmentation dot@:178@:0@:3.08524@:1.54262@:1.54262@:3.08524@:0@
:dotkievan@} [178]
@{puorg@:dots@}
))
@{tnof@})
@{font@:GNU@:LilyPond@:parmesan@:25.2@:parmesanMusic@}
(parmesan-rests.mf
@{char@:Hufnagel Flat@:118@:0.48134@:2.70885@:1.5772@:8.25969@:2.70885@:0@:hufn
agelM1@} [118]
@{char@:16th Mensural Flag (down)@:131@:2.38052@:0@:0.39677@:9.91875@:0@:0@:men
surald14@} [131]
@{char@:Kievan sharp@:119@:0@:7.12804@:7.12804@:7.12804@:7.12804@:0@:kievan1@}
[119]
@{char@:Kievan flat@:120@:0@:4.455@:4.455@:8.01901@:4.455@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
) )
(some charht values had to be adjusted by as much as 0.44188pt)
(some chardp values had to be adjusted by as much as 0.44188pt)
Font metrics written on parmesan14.tfm.
Output written on parmesan14.600gf (146 characters, 33028 bytes).
Transcript written on parmesan14.log.

@{char@:16th Mensural Flag (down)@:132@:2.38052@:0@:0.39677@:10.91063@:0@:0@:me
nsurald24@} [132]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:7.56001@:6.3@:6.3@:7.56001@:0@:M3neome
nsural@} [33 (parmesan-flags.mf]
@{char@:Neo-mensural longa rest@:34@:0@:2.52@:6.3@:6.3@:2.52@:0@:M2neomensural@
} [34]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:2.67303@:8.91@:0.44553@:2.67303@:0@:men
suralu03@} [121]
@{char@:Neo-mensural breve rest@:35@:0@:2.52@:0@:6.3@:2.52@:0@:M1neomensural@}
[35]
@{char@:8th Mensural Flag (up)@:122@:0@:2.67303@:6.68251@:0.44553@:2.67303@:0@:
mensuralu13@} [122]
@{char@:Neo-mensural whole rest@:36@:0@:2.52@:3.9375@:0@:2.52@:0@:0neomensural@
} [36]
@{char@:Neo-mensural half rest@:37@:0@:2.52@:0@:3.9375@:2.52@:0@:1neomensural@}
[37
@{char@:8th Mensural Flag (up)@:123@:0@:2.67303@:7.79625@:0.44553@:2.67303@:0@:
mensuralu23@} [123]]
@{char@:32th Mensural Flag (up)@:133@:0@:2.38052@:15.87@:0.39677@:2.38052@:0@:m
ensuralu05@} [133]
@{char@:petrucci g clef@:78@:0@:5.00002@:2.59999@:15.20007@:5.00002@:0@:petrucc
i.g_change@} [78
@{char@:8th Mensural Flag (down)@:124@:2.67303@:0@:0.44553@:8.91@:0@:0@:mensura
ld03@} [124]]
@{char@:Neo-mensural 4th rest@:38@:0@:5.04002@:0@:5.04002@:5.04002@:0@:2neomens
ural@} [38]
@{char@:8th Mensural Flag (down)@:125@:2.67303@:0@:0.44553@:6.68251@:0@:0@:mens
urald13@} [125]
@{char@:Neo-mensural 8th rest@:39@:0@:5.04002@:0@:5.04002@:5.04002@:0@:3neomens
ural@} [39]
@{char@:8th Mensural Flag (down)@:126@:2.67303@:0@:0.44553@:7.79625@:0@:0@:mens
urald23@} [126]
@{char@:Neo-mensural 16th rest@:40@:0@:5.04002@:0@:6.3@:5.04002@:0@:4neomensura
l@} [40]
@{char@:Mensural maxima rest@:41@:0@:1.89001@:6.3@:12.6@:1.89001@:0@:M3mensural
@} [41]
@{char@:Mensural longa rest@:42@:0@:1.89001@:6.3@:6.3@:1.89001@:0@:M2mensural@}
[42]
@{char@:32th Mensural Flag (up)@:134@:0@:2.38052@:13.88625@:0.39677@:2.38052@:0
@:mensuralu15@} [134
@{char@:16th Mensural Flag (up)@:127@:0@:2.67303@:13.365@:0.44553@:2.67303@:0@:
mensuralu04@} [127]
@{char@:Mensural breve rest@:43@:0@:1.89001@:0@:6.3@:1.89001@:0@:M1mensural@}
[43]]
@{char@:Mensural whole rest@:44@:0@:1.89001@:3.9375@:0@:1.89001@:0@:0mensural@}
[44]
@{char@:Mensural half rest@:45@:0@:1.89001@:0@:3.9375@:1.89001@:0@:1mensural@}
[45]
@{char@:Mensural 4th rest@:46@:0@:5.04002@:0@:5.04002@:5.04002@:0@:2mensural@}
[46]
@{char@:16th Mensural Flag (up)@:128@:0@:2.67303@:11.13751@:0.44553@:2.67303@:0
@:mensuralu14@} [128]
@{char@:Mensural 8th rest@:47@:0@:5.04002@:0@:5.04002@:5.04002@:0@:3mensural@}
[47]
@{char@:Mensural 16th rest@:48@:0@:5.04002@:0@:6.3@:5.04002@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (parmesan-clefs.mf
@{char@:16th Mensural Flag (up)@:129@:0@:2.67303@:12.25125@:0.44553@:2.67303@:0
@:mensuralu24@} [129]
@{char@:32th Mensural Flag (up)@:135@:0@:2.38052@:14.87813@:0.39677@:2.38052@:0
@:mensuralu25@} [135]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:3.15001@:5.04002@:5.04002@:3.15001@:0@:vatican
a.do@} [49]
@{char@:16th Mensural Flag (down)@:130@:2.67303@:0@:0.44553@:13.365@:0@:0@:mens
urald04@} [130]mv parmesan14.log parmesan14.tfm ./out

@{char@:16th Mensural Flag (down)@:131@:2.67303@:0@:0.44553@:11.13751@:0@:0@:me
nsurald14@} [131]
@{char@:32th Mensural Flag (down)@:136@:2.38052@:0@:0.39677@:15.87@:0@:0@:mensu
rald05@} [136]
@{char@:Ed. Vat. do clef@:50@:0@:3.15001@:5.04002@:5.04002@:3.15001@:0@:vatican
a.do_change@} [50]
@{char@:16th Mensural Flag (down)@:132@:2.67303@:0@:0.44553@:12.25125@:0@:0@:me
nsurald24@} [132]
@{char@:32th Mensural Flag (up)@:133@:0@:2.67303@:17.82@:0.44553@:2.67303@:0@:m
ensuralu05@} [133]
@{char@:32th Mensural Flag (down)@:137@:2.38052@:0@:0.39677@:13.88625@:0@:0@:me
nsurald15@} [137]
@{char@:Ed. Vat. fa clef@:51@:0@:6.61502@:9.45001@:5.04002@:6.61502@:0@:vatican
a.fa@} [51]
@{char@:32th Mensural Flag (up)@:134@:0@:2.67303@:15.59251@:0.44553@:2.67303@:0
@:mensuralu15@} [134]
@{char@:32th Mensural Flag (down)@:138@:2.38052@:0@:0.39677@:14.87813@:0@:0@:me
nsurald25@} [138]
@{char@:Ed. Vat. fa clef@:52@:0@:6.61502@:9.45001@:5.04002@:6.61502@:0@:vatican
a.fa_change@} [52
@{char@:32th Mensural Flag (up)@:135@:0@:2.67303@:16.70625@:0.44553@:2.67303@:0
@:mensuralu25@} [135]]
@{char@:Ed. Med. do clef@:53@:0@:6.3@:9.45001@:9.45001@:6.3@:0@:medicaea.do@}
[53]
@{char@:32th Mensural Flag (down)@:136@:2.67303@:0@:0.44553@:17.82@:0@:0@:mensu
rald05@} [136]
@{char@:64th Mensural Flag (up)@:139@:0@:2.38052@:19.8375@:0.39677@:2.38052@:0@
:mensuralu06@} [139
@{char@:Ed. Med. do clef@:54@:0@:5.04002@:7.56004@:7.56004@:5.04002@:0@:medicae
a.do_change@} [54]]
@{char@:32th Mensural Flag (down)@:137@:2.67303@:0@:0.44553@:15.59251@:0@:0@:me
nsurald15@} [137]rm -f parmesan14.*gf  parmesan14.*pk

@{char@:32th Mensural Flag (down)@:138@:2.67303@:0@:0.44553@:16.70625@:0@:0@:me
nsurald25@} [138]
@{char@:Ed. Med. fa clef@:55@:0@:10.70999@:9.45001@:9.45001@:10.70999@:0@:medic
aea.fa@} [55]
@{char@:64th Mensural Flag (up)@:140@:0@:2.38052@:17.85374@:0.39677@:2.38052@:0
@:mensuralu16@} [140]
@{char@:64th Mensural Flag (up)@:139@:0@:2.67303@:22.27501@:0.44553@:2.67303@:0
@:mensuralu06@} [139]
@{char@:Ed. Med. fa clef@:56@:0@:8.56802@:7.56004@:7.56004@:8.56802@:0@:medicae
a.fa_change@} [56]
@{char@:64th Mensural Flag (up)@:141@:0@:2.38052@:18.84563@:0.39677@:2.38052@:0
@:mensuralu26@} [141]
@{char@:64th Mensural Flag (up)@:140@:0@:2.67303@:20.04752@:0.44553@:2.67303@:0
@:mensuralu16@} [140]
@{char@:neo-mensural c clef@:57@:0@:15.86798@:12.6@:12.6@:15.86798@:0@:neomensu
ral.c@} [57]
@{char@:neo-mensural c clef@:58@:0@:12.69443@:10.08005@:10.08005@:12.69443@:0@:
neomensural.c_change@} [58]
@{char@:64th Mensural Flag (up)@:141@:0@:2.67303@:21.16125@:0.44553@:2.67303@:0
@:mensuralu26@} [141]
@{char@:64th Mensural Flag (down)@:142@:2.38052@:0@:0.39677@:19.8375@:0@:0@:men
surald06@} [142]
@{char@:petrucci c1 clef@:59@:0@:6.3@:8.81996@:20.15999@:6.3@:0@:petrucci.c1@}
[59]
@{char@:64th Mensural Flag (down)@:142@:2.67303@:0@:0.44553@:22.27501@:0@:0@:me
nsurald06@} [142]
@{char@:64th Mensural Flag (down)@:143@:2.38052@:0@:0.39677@:17.85374@:0@:0@:me
nsurald16@} [143
@{char@:petrucci c1 clef@:60@:0@:5.04002@:7.8888@:18.03157@:5.04002@:0@:petrucc
i.c1_change@} [60]]
@{char@:64th Mensural Flag (down)@:143@:2.67303@:0@:0.44553@:20.04752@:0@:0@:me
nsurald16@} [143]
@{char@:petrucci c2 clef@:61@:0@:6.3@:15.11996@:20.15999@:6.3@:0@:petrucci.c2@}
[61]
@{char@:64th Mensural Flag (down)@:144@:2.67303@:0@:0.44553@:21.16125@:0@:0@:me
nsurald26@} [144
@{char@:64th Mensural Flag (down)@:144@:2.38052@:0@:0.39677@:18.84563@:0@:0@:me
nsurald26@} [144]]
@{puorg@:flags@}
)
@{puorg@:flags@}
) (parmesan-timesignatures.mf (parmesan-timesignatures.mf
@{char@:petrucci c2 clef@:62@:0@:5.04002@:13.52367@:18.03157@:5.04002@:0@:petru
cci.c2_change@} [62]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al44@} [145]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural44@} [145]
@{char@:Mensural 2/2 meter@:146@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural22@} [146]
@{char@:petrucci c3 clef@:63@:0@:6.3@:20.15999@:20.15999@:6.3@:0@:petrucci.c3@}
[63]
@{char@:Mensural 3/2 meter@:147@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al32@} [147]
@{char@:Mensural 2/2 meter@:146@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural22@} [146]
@{char@:Mensural 6/4 meter@:148@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al64@} [148]
@{char@:Mensural 3/2 meter@:147@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural32@} [147]
@{char@:petrucci c3 clef@:64@:0@:5.04002@:18.03157@:18.03157@:5.04002@:0@:petru
cci.c3_change@} [64]
@{char@:Mensural 9/4 meter@:149@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al94@} [149]
@{char@:Mensural 6/4 meter@:148@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural64@} [148]
@{char@:Mensural 3/4 meter@:150@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural34@} [150]
@{char@:petrucci c4 clef@:65@:0@:6.3@:20.15999@:15.11996@:6.3@:0@:petrucci.c4@}
[65]
@{char@:petrucci g clef@:77@:0@:7.01563@:3.64809@:21.32753@:7.01563@:0@:petrucc
i.g@} [77]
@{char@:Mensural 6/8 meter@:151@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural68@} [151]
@{char@:Mensural 9/4 meter@:149@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural94@} [149]
@{char@:Mensural 9/8 meter@:152@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural98@} [152
@{char@:petrucci c4 clef@:66@:0@:5.04002@:18.03157@:13.52367@:5.04002@:0@:petru
cci.c4_change@} [66]]
@{char@:Mensural 3/4 meter@:150@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural34@} [150]
@{char@:Mensural 4/8 meter@:153@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al48@} [153]
@{char@:Mensural 6/8 meter@:154@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al68alt@} [154]
@{char@:petrucci c5 clef@:67@:0@:6.3@:20.15999@:8.81996@:6.3@:0@:petrucci.c5@}
[67]
@{char@:Mensural 6/8 meter@:151@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural68@} [151]
@{char@:Mensural 2/4 meter@:155@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural24@} [155]
@{char@:Mensural 4/4 meter@:156@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural44@} [156]
@{char@:petrucci c5 clef@:68@:0@:5.04002@:18.03157@:7.8888@:5.04002@:0@:petrucc
i.c5_change@} [68]
@{char@:Mensural 2/2 meter@:157@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural22@} [157]
@{char@:Mensural 9/8 meter@:152@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural98@} [152]
@{char@:Mensural 3/2 meter@:158@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural32@} [158]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:mensural c clef@:69@:0@:7.06253@:13.85999@:13.85999@:7.06253@:0@:mensur
al.c@} [69
@{char@:Mensural 4/8 meter@:153@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural48@} [153]]
@{char@:Mensural 6/4 meter@:159@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural64@} [159]
@{char@:mensural c clef@:70@:0@:5.80255@:11.08804@:11.08804@:5.80255@:0@:mensur
al.c_change@} [70
@{char@:Mensural 6/8 meter@:154@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural68alt@} [154]]
@{char@:Mensural 9/4 meter@:160@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural94@} [160]
@{char@:Mensural 3/4 meter@:161@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural34@} [161]
@{char@:black mensural c clef@:71@:0@:7.06253@:13.85999@:13.85999@:7.06253@:0@:
blackmensural.c@} [71]
@{char@:Mensural 2/4 meter@:155@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural24@} [155]
@{char@:Mensural 6/8 meter@:162@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural68@} [162]
@{char@:black mensural c clef@:72@:0@:5.80255@:11.08804@:11.08804@:5.80255@:0@:
blackmensural.c_change@} [72]
@{char@:Mensural 4/4 meter@:156@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural44@} [156]
@{char@:Mensural 9/8 meter@:163@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural98@} [163]
@{char@:Mensural 4/8 meter@:164@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural48@} [164
@{char@:Mensural 2/2 meter@:157@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural22@} [157]]
@{char@:Mensural 6/8 meter@:165@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural68alt@} [165]
@{char@:Mensural 3/2 meter@:158@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural32@} [158]
@{char@:Mensural 2/4 meter@:166@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural24@} [166]
@{puorg@:timesig@}
)
@{char@:petrucci f clef@:73@:0@:12.26242@:28.35002@:15.75002@:12.26242@:0@:petr
ucci.f@} [73
@{char@:Mensural 6/4 meter@:159@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural64@} [159]]
@{char@:Mensural 9/4 meter@:160@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural94@} [160]
@{char@:Mensural 3/4 meter@:161@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural34@} [161]
@{char@:petrucci f clef@:74@:0@:9.80998@:22.6801@:12.60007@:9.80998@:0@:petrucc
i.f_change@} [74]
@{char@:Mensural 6/8 meter@:162@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural68@} [162]
@{char@:mensural f clef@:75@:0@:7.55998@:3.78@:3.78@:7.55998@:0@:mensural.f@}
[75]
@{char@:mensural g clef@:79@:0@:6.25@:3.24997@:19.00002@:6.25@:0@:mensural.g@}
[79]
@{char@:Mensural 9/8 meter@:163@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural98@} [163]
@{char@:mensural f clef@:76@:0@:6.048@:3.024@:3.024@:6.048@:0@:mensural.f_chang
e@} [76]
@{char@:Mensural 4/8 meter@:164@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural48@} [164]
@{char@:Mensural 6/8 meter@:165@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural68alt@} [165]
@{char@:Mensural 2/4 meter@:166@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
)
(parmesan-noteheads11.mf (parmesan-scripts.mf (parmesan-scripts.mf (feta-autometric.mf
@{group@:scripts@}
@{char@:ictus@:167@:0.24068@:0.24068@:0.77965@:0.77965@:0.24068@:0@:ictus@}
[167]
@{group@:scripts@}
@{char@:ictus@:167@:0.23232@:0.23232@:0.69432@:0.69432@:0.23232@:0@:ictus@}
[167]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-noteheads-generic.mf
@{char@:accentus up@:168@:0.55688@:0.55688@:0.77965@:0.77965@:0.55688@:0@:uacce
ntus@} [168]
@{char@:accentus up@:168@:0.49594@:0.49594@:0.69432@:0.69432@:0.49594@:0@:uacce
ntus@} [168] (feta-macros.mf
@{char@:accentus down@:169@:0.55688@:0.55688@:0.77965@:0.77965@:0.55688@:0@:dac
centus@} [169]
@{char@:accentus down@:169@:0.49594@:0.49594@:0.69432@:0.69432@:0.49594@:0@:dac
centus@} [169])
@{char@:half circle@:170@:0.69609@:0.69609@:0@:0.69609@:0.69609@:0@:usemicircul
us@} [170] (feta-params.mf
@{char@:half circle@:170@:0.61992@:0.61992@:0@:0.61992@:0.61992@:0@:usemicircul
us@} [170]
@{char@:half circle@:171@:0.69609@:0.69609@:0.69609@:0@:0.69609@:0@:dsemicircul
us@} [171]
@{char@:half circle@:171@:0.61992@:0.61992@:0.61992@:0@:0.61992@:0@:dsemicircul
us@} [171]
@{char@:circle@:172@:0.69609@:0.69609@:0.69609@:0.69609@:0.69609@:0@:circulus@}
[172]
@{char@:circle@:172@:0.61992@:0.61992@:0.61992@:0.61992@:0.61992@:0@:circulus@}
[172])
@{char@:augmentum@:173@:0.55688@:0.55688@:0.55688@:0.55688@:0.55688@:0@:augment
um@} [173]
@{char@:augmentum@:173@:0.49594@:0.49594@:0.49594@:0.49594@:0.49594@:0@:augment
um@} [173
(parmesan-macros.mf])
@{font@:GNU@:LilyPond@:parmesan@:11.22@:parmesanMusic@}
(parmesan-noteheads.mf
@{char@:signum congruentiae up@:174@:2.68068@:2.68068@:1.16154@:9.56116@:2.6806
8@:0@:usignumcongruentiae@} [174
@{char@:signum congruentiae up@:174@:2.94952@:2.94952@:1.20335@:10.5947@:2.9495
2@:0@:usignumcongruentiae@} [174]]
@{char@:petrucci g clef@:78@:0@:5.61253@:2.91849@:17.06209@:5.61253@:0@:petrucc
i.g_change@} [78]
@{char@:signum congruentiae down@:175@:2.68068@:2.68068@:9.56116@:1.16154@:2.68
068@:0@:dsignumcongruentiae@} [175
@{char@:signum congruentiae down@:175@:2.94952@:2.94952@:10.5947@:1.20335@:2.94
952@:0@:dsignumcongruentiae@} [175]]( echo ./out/parmesan-noteheads13.tfm:  > out/parmesan-noteheads13.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan-noteheads13.mf;" 

@{char@:Kievan end of piece (slash)@:176@:0@:7.12798@:9.36726@:12.90775@:7.1279
8@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:Kievan end of piece (slash)@:176@:0@:6.34796@:8.37637@:11.46112@:6.3479
6@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:mensural g clef@:80@:0@:5.00002@:2.59999@:15.20007@:5.00002@:0@:mensura
l.g_change@} [80]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:7.29305@:1.61487@:1.61487@:7.
29305@:0@:uM3neomensural@} [33] (parmesan-dots.mf (parmesan-dots.mf
@{char@:Hufnagel do clef@:81@:0@:5.50003@:3.49998@:3.75@:5.50003@:0@:hufnagel.d
o@} [81]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.32455@:0.66228@:0.66228@:1.32455@:0@:dotvatican
a@} [177]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.16763@:0.58382@:0.58382@:1.16763@:0@:dotvatican
a@} [177]
@{char@:Kievan augmentation dot@:178@:0@:3.97366@:1.98683@:1.98683@:3.97366@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@})
@{char@:Kievan augmentation dot@:178@:0@:3.50288@:1.75145@:1.75145@:3.50288@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@})
@{char@:Hufnagel do clef@:82@:0@:4.40004@:2.8@:3.00002@:4.40004@:0@:hufnagel.do
_change@} [82]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:7.29305@:1.61487@:1.61487@:
7.29305@:0@:dM3neomensural@} [34]
@{char@:Hufnagel fa clef@:83@:0@:5.99998@:5.74997@:5@:5.99998@:0@:hufnagel.fa@}
[83]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:5.61002@:1.61487@:1.61487@:5.6
1002@:0@:uM2neomensural@} [35] )
(some charht values had to be adjusted by as much as 0.55687pt)
(some chardp values had to be adjusted by as much as 0.55687pt)
Font metrics written on parmesan18.tfm.
Output written on parmesan18.600gf (146 characters, 40816 bytes).
Transcript written on parmesan18.log.

@{char@:Hufnagel fa clef@:84@:0@:4.8@:4.59999@:4.00002@:4.8@:0@:hufnagel.fa_cha
nge@} [84]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:5.61002@:1.61487@:1.61487@:5
.61002@:0@:dM2neomensural@} [36] )
(some charht values had to be adjusted by as much as 0.49594pt)
(some chardp values had to be adjusted by as much as 0.49594pt)
Font metrics written on parmesan16.tfm.
Output written on parmesan16.600gf (146 characters, 36740 bytes).
Transcript written on parmesan16.log.

@{char@:Neo-mensural brevis notehead@:37@:0@:5.61002@:1.61487@:1.61487@:5.61002
@:0@:sM1neomensural@} [37]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:7.29305@:1.6148
7@:1.61487@:7.29305@:0@:urM3neomensural@} [38]
@{char@:Hufnagel do/fa clef@:85@:0@:5.99998@:15.74997@:3.75@:5.99998@:0@:hufnag
el.do.fa@} [85]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:7.29305@:1.61
487@:1.61487@:7.29305@:0@:drM3neomensural@} [39]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:5.61002@:1.61487
@:1.61487@:5.61002@:0@:urM2neomensural@} [40]
@{char@:Hufnagel do/fa clef@:86@:0@:4.8@:14.59999@:3.00002@:4.8@:0@:hufnagel.do
.fa_change@} [86]
@{char@:Kievan tsefaut clef@:87@:0@:7.5@:11.25@:2.75002@:7.5@:0@:kievan.do@}
[87]
@{char@:Kievan tsefaut clef@:88@:0@:7.5@:11.25@:2.75002@:7.5@:0@:kievan.do_chan
ge@} [88
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:5.61002@:1.614
87@:1.61487@:5.61002@:0@:drM2neomensural@} [41]]
@{puorg@:clefs@}
) (parmesan-custodes.mf
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:5.61002@:1.61487@:1
.61487@:5.61002@:0@:srM1neomensural@} [42]mv parmesan16.log parmesan16.tfm ./out

@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:3.30006@:2.75003@:5@:3.30006@:0@:hufnagel.u0@}
[89]
@{char@:Neo-mensural semibrevis head@:43@:0@:2.80501@:1.61487@:1.61487@:1.40251
@:0.51062@:s0neomensural@} [43]
@{char@:Custos Hufnagel@:90@:0@:3.30006@:2.75003@:7.5@:3.30006@:0@:hufnagel.u1@
} [90]
@{char@:Neo-mensural minima head@:44@:0@:2.80501@:1.61487@:1.61487@:1.40251@:0.
51062@:s1neomensural@} [44]
@{char@:Custos Hufnagel@:91@:0@:3.30006@:2.75003@:6.25@:3.30006@:0@:hufnagel.u2
@} [91]
@{char@:Neo-mensural semiminima head@:45@:0@:2.80501@:1.61487@:1.61487@:1.40251
@:0.51062@:s2neomensural@} [45]
@{char@:Reverse Custos Hufnagel@:92@:0@:3.30006@:5@:2.75003@:3.30006@:0@:hufnag
el.d0@} [92]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:3.64651@:2.09933@:2.09933
@:3.64651@:0@:s0harmonic@} [46]
@{char@:Reverse Custos Hufnagel@:93@:0@:3.30006@:7.5@:2.75003@:3.30006@:0@:hufn
agel.d1@} [93]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:3.64651@:2.09933@:2.0993
3@:3.64651@:0@:s2harmonic@} [47]
@{char@:Reverse Custos Hufnagel@:94@:0@:3.30006@:6.25@:2.75003@:3.30006@:0@:huf
nagel.d2@} [94]
@{char@:Mensural maxima notehead (up)@:48@:0@:5.61002@:1.61487@:1.61487@:5.6100
2@:0@:uM3mensural@} [48]
@{char@:Custos Med.@:95@:0@:1.37502@:2.75003@:5@:1.37502@:0@:medicaea.u0@}
[95]
@{char@:Mensural maxima notehead (down)@:49@:0@:5.61002@:1.61487@:1.61487@:5.61
002@:0@:dM3mensural@} [49]
@{char@:Custos Med.@:96@:0@:1.37502@:2.75003@:7.5@:1.37502@:0@:medicaea.u1@}
[96]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:5.61002@:1.61487@:1.61487@:
5.61002@:0@:sM3ligmensural@} [50
@{char@:petrucci g clef@:77@:0@:7.875@:4.09497@:23.94003@:7.875@:0@:petrucci.g@
} [77]]
@{char@:Custos Med.@:97@:0@:1.37502@:2.75003@:6.25@:1.37502@:0@:medicaea.u2@}
[97]
@{char@:Mensural longa notehead (up)@:51@:0@:2.80501@:1.61487@:1.61487@:2.80501
@:0@:uM2mensural@} [51]
@{char@:Reverse Custos Med.@:98@:0@:1.37502@:5@:2.75003@:1.37502@:0@:medicaea.d
0@} [98]
@{char@:Mensural longa notehead (down)@:52@:0@:2.80501@:1.61487@:1.61487@:2.805
01@:0@:dM2mensural@} [52
@{char@:Reverse Custos Med.@:99@:0@:1.37502@:7.5@:2.75003@:1.37502@:0@:medicaea
.d1@} [99]]rm -f parmesan16.*gf  parmesan16.*pk
mv parmesan18.log parmesan18.tfm ./out

@{char@:Reverse Custos Med.@:100@:0@:1.37502@:6.25@:2.75003@:1.37502@:0@:medica
ea.d2@} [100]
@{char@:Mensural longa notehead (ligature)@:53@:0@:2.80501@:1.61487@:1.61487@:2
.80501@:0@:sM2ligmensural@} [53]
@{char@:Mensural brevis notehead@:54@:0@:2.80501@:1.61487@:1.61487@:2.80501@:0@
:sM1mensural@} [54]
@{char@:Custos Ed. Vat.@:101@:0@:1.32004@:1.7051@:5@:1.32004@:0@:vaticana.u0@}
[101]
@{char@:Custos Ed. Vat.@:102@:0@:1.32004@:1.7051@:7.5@:1.32004@:0@:vaticana.u1@
} [102
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:5.61002@:1.61487@:1
.61487@:5.61002@:0@:urM3mensural@} [55]]
@{char@:Custos Ed. Vat.@:103@:0@:1.32004@:1.7051@:6.25@:1.32004@:0@:vaticana.u2
@} [103]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:5.61002@:1.61487@
:1.61487@:5.61002@:0@:drM3mensural@} [56]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.32004@:5@:1.7051@:1.32004@:0@:vatica
na.d0@} [104
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:5.61002@:1.61
487@:1.61487@:5.61002@:0@:srM3ligmensural@} [57]]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.32004@:7.5@:1.7051@:1.32004@:0@:vati
cana.d1@} [105]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:2.80501@:1.61487@:1.
61487@:2.80501@:0@:urM2mensural@} [58]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.32004@:6.25@:1.7051@:1.32004@:0@:vat
icana.d2@} [106]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:2.80501@:1.61487@:
1.61487@:2.80501@:0@:drM2mensural@} [59]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:2.80501@:1.614
87@:1.61487@:2.80501@:0@:srM2ligmensural@} [60]
@{char@:Custos Mensural@:107@:0@:6.60004@:1.81502@:10@:6.60004@:0@:mensural.u0@
} [107]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:2.80501@:1.61487@:1.614
87@:2.80501@:0@:srM1mensural@} [61]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:5.61002@:1.61487@:1.
61487@:5.61002@:0@:uM3semimensural@} [62
@{char@:Custos Mensural@:108@:0@:6.60004@:1.81502@:12.5@:6.60004@:0@:mensural.u
1@} [108]]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:5.61002@:1.61487@:
1.61487@:5.61002@:0@:dM3semimensural@} [63]
@{char@:Custos Mensural@:109@:0@:6.60004@:1.81502@:11.25@:6.60004@:0@:mensural.
u2@} [109]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:5.61002@:1.614
87@:1.61487@:5.61002@:0@:sM3semiligmensural@} [64]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:2.80501@:1.61487@:1.6
1487@:2.80501@:0@:uM2semimensural@} [65]
@{char@:Reverse Custos Mensural@:110@:0@:6.60004@:10@:1.81502@:6.60004@:0@:mens
ural.d0@} [110]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:2.80501@:1.61487@:1
.61487@:2.80501@:0@:dM2semimensural@} [66]
@{char@:Reverse Custos Mensural@:111@:0@:6.60004@:12.5@:1.81502@:6.60004@:0@:me
nsural.d1@} [111]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:2.80501@:1.6148
7@:1.61487@:2.80501@:0@:sM2semiligmensural@} [67]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:2.80501@:1.61487@:1.61487
@:2.80501@:0@:sM1semimensural@} [68]
@{char@:Reverse Custos Mensural@:112@:0@:6.60004@:11.25@:1.81502@:6.60004@:0@:m
ensural.d2@} [112]
@{puorg@:custodes@}
) (parmesan-accidentals.mf
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:5.6100
2@:1.61487@:1.61487@:5.61002@:0@:urM3semimensural@} [69]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:5.61
002@:1.61487@:1.61487@:5.61002@:0@:drM3semimensural@} [70]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.50003@:3.00003@:3.00003@:5@:3.00003@:0@:medicaeaM
1@} [113]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
5.61002@:1.61487@:1.61487@:5.61002@:0@:srM3semiligmensural@} [71]
@{char@:Ed. Vat. Flat@:114@:0.12502@:2.62502@:1.69998@:4.55002@:2.62502@:0@:vat
icanaM1@} [114]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:2.80501
@:1.61487@:1.61487@:2.80501@:0@:urM2semimensural@} [72]
@{char@:Ed. Vat. Natural@:115@:0.20001@:2.19998@:3.79997@:3.79997@:2.19998@:0@:
vaticana0@} [115]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:2.805
01@:1.61487@:1.61487@:2.80501@:0@:drM2semimensural@} [73]
@{char@:Mensural Sharp@:116@:1.79999@:2.79996@:2.19998@:2.19998@:2.79996@:0@:me
nsural1@} [116]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:2
.80501@:1.61487@:1.61487@:2.80501@:0@:srM2semiligmensural@} [74]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:2.80501@:1
.61487@:1.61487@:2.80501@:0@:srM1semimensural@} [75]
@{char@:Mensural Flat@:117@:0.37503@:2.375@:1.62503@:9.37505@:2.375@:0@:mensura
lM1@} [117]
@{char@:Black mensural maxima notehead (up)@:76@:0@:5.61002@:1.61487@:1.61487@:
5.61002@:0@:uM3blackmensural@} [76]
@{char@:Black mensural maxima notehead (down)@:77@:0@:5.61002@:1.61487@:1.61487
@:5.61002@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:5.61002@:1.61487@:1.6
1487@:5.61002@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:2.80501@:1.61487@:1.61487@:2
.80501@:0@:uM2blackmensural@} [79]
@{char@:Black mensural longa notehead (down)@:80@:0@:2.80501@:1.61487@:1.61487@
:2.80501@:0@:dM2blackmensural@} [80]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:2.80501@:1.61487@:1.61
487@:2.80501@:0@:sM2blackligmensural@} [81]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Black mensural brevis notehead@:82@:0@:2.80501@:1.61487@:1.61487@:2.805
01@:0@:sM1blackmensural@} [82]
@{char@:Mensural semibrevis head@:83@:0@:1.61946@:1.40251@:1.40251@:0.80974@:0.
55309@:s0mensural@} [83]
@{char@:mensural g clef@:79@:0@:7.01563@:3.64809@:21.32753@:7.01563@:0@:mensura
l.g@} [79]
@{char@:Mensural minima head@:84@:0@:1.61946@:1.40251@:1.40251@:0.80974@:0.5530
9@:s1mensural@} [84]
@{char@:Mensural semiminima head@:85@:0@:1.61946@:1.40251@:1.40251@:0.80974@:0.
55309@:s2mensural@} [85]
@{char@:Black mensural semibrevis head@:86@:0@:1.61946@:1.40251@:1.40251@:0.809
74@:0.55309@:s0blackmensural@} [86]
@{char@:Petrucci semibrevis head@:87@:0@:3.25555@:2.2608@:2.2608@:1.62778@:1.15
656@:s0petrucci@} [87]
@{char@:Petrucci minima head@:88@:0@:3.25555@:2.2608@:2.2608@:1.62778@:1.15656@
:s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:3.25555@:2.2608@:2.2608@:1.62778@:1.15
656@:s2petrucci@} [89]
@{char@:Petrucci colored semibrevis head@:90@:0@:3.25555@:2.2608@:2.2608@:1.627
78@:1.15656@:s0blackpetrucci@} [90]
@{char@:Petrucci colored minima head@:91@:0@:3.25555@:2.2608@:2.2608@:1.62778@:
1.15656@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:3.25555@:2.2608@:2.2608@:1.627
78@:1.15656@:s2blackpetrucci@} [92]
@{char@:Ed. Vat. punctum@:93@:0@:1.62904@:1.01172@:1.09247@:1.62904@:0@:svatica
na.punctum@} [93]
@{char@:Ed. Vat. punctum cavum@:94@:0@:1.62904@:1.01172@:1.09247@:1.62904@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:Ed. Vat. linea punctum@:95@:0@:2.6596@:1.1304@:1.1304@:2.6596@:0@:svati
cana.linea.punctum@} [95]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:2.6596@:1.1304@:1.1304@:2.6596@:0@
:svaticana.linea.punctum.cavum@} [96]
@{char@:petrucci g clef@:78@:0@:6.30003@:3.27599@:19.1521@:6.30003@:0@:petrucci
.g_change@} [78]
@{char@:Ed. Vat. inclinatum@:97@:0@:1.80919@:1.2919@:1.2919@:0.9046@:0.44247@:s
vaticana.inclinatum@} [97]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:1.62904@:0.99554@:0.97942@:1.62904@:
0@:svaticana.lpes@} [98]
@{char@:Hufnagel Flat@:118@:0.50005@:3.00005@:1.75005@:9.25005@:3.00005@:0@:huf
nagelM1@} [118]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:1.62904@:1.35081@:0.62415@:1.629
04@:0@:svaticana.vlpes@} [99]
@{char@:Kievan sharp@:119@:0@:8.00003@:8.00003@:8.00003@:8.00003@:0@:kievan1@}
[119
@{char@:Ed. Vat. pes upper punctum@:100@:0@:1.62904@:0.97942@:0.99554@:1.62904@
:0@:svaticana.upes@} [100]]
@{char@:Kievan flat@:120@:0@:5@:5@:9.00002@:5@:0@:kievanM1@} [120]
@{puorg@:accidentals@}
)
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:1.62904@:0.72104@:1.25392@:1.62
904@:0@:svaticana.vupes@} [101]
@{char@:Ed. Vat. plica@:102@:0@:0.97742@:0.69199@:0.74042@:0.97742@:0@:svatican
a.plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:0.97742@:0.92937@:0.63867@:0.97742@:0@:svat
icana.vplica@} [103]
@{char@:Ed. Vat. epiphonus@:104@:0@:1.62904@:1.15707@:1.17322@:1.62904@:0@:svat
icana.epiphonus@} [104]
@{char@:Ed. Vat. var epiphonus@:105@:0@:1.62904@:1.51234@:0.81795@:1.62904@:0@:
svaticana.vepiphonus@} [105]
@{char@:Ed. Vat. rev. plica@:106@:0@:0.97742@:0.74042@:0.69199@:0.97742@:0@:sva
ticana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:0.97742@:1.065@:0.50304@:0.97742@:0@:s
vaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:1.62904@:1.17322@:1.15707@:1.62904@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:Ed. Vat. cephalicus@:109@:0@:1.62904@:3.76508@:1.15707@:1.62904@:0@:sva
ticana.cephalicus@} [109]
@{char@:Ed. Vat. quilisma@:110@:0@:1.62904@:0.90431@:1.1627@:1.62904@:0@:svatic
ana.quilisma@} [110]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.13075@:0.80743@:0.80743@:
0.56538@:-0.04199@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:1.62904@:1.044@:1.80301@:1.6
2904@:0@:ssolesmes.auct.asc@} [112]
@{char@:Solesmes punctum auctum descendens@:113@:0@:1.62904@:1.80301@:1.044@:1.
62904@:0@:ssolesmes.auct.desc@} [113]
@{char@:Solesmes punctum incl. auctum@:114@:0@:1.80919@:1.2919@:1.2919@:0.9046@
:0.44247@:ssolesmes.incl.auctum@} [114]
@{char@:Solesmes stropha@:115@:0@:1.80919@:1.2919@:1.2919@:0.9046@:0.44247@:sso
lesmes.stropha@} [115]
@{char@:Solesmes stropha aucta@:116@:0@:1.80919@:1.2919@:1.2919@:0.9046@:0.4424
7@:ssolesmes.stropha.aucta@} [116]
@{char@:Solesmes oriscus@:117@:0@:1.93935@:0.96893@:0.96893@:1.93935@:0@:ssoles
mes.oriscus@} [117]
@{char@:Ed. Med. inclinatum@:118@:0@:2.3569@:1.683@:1.683@:1.17845@:0.83357@:sm
edicaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:2.24397@:1.40251@:1.40251@:2.24397@:0@:smedic
aea.punctum@} [119]
@{char@:Ed. Med. reverse virga@:120@:0@:2.24397@:1.40251@:7.01253@:2.24397@:0@:
smedicaea.rvirga@} [120]
@{char@:Ed. Med. virga@:121@:0@:2.24397@:7.01253@:1.40251@:2.24397@:0@:smedicae
a.virga@} [121]
@{char@:Hufnagel punctum@:122@:0@:4.00597@:1.40251@:1.40251@:2.00299@:0.55309@:
shufnagel.punctum@} [122] (parmesan-flags.mf
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:3.00003@:10@:0.50003@:3.00003@:0@:mensu
ralu03@} [121]
@{char@:Hufnagel virga@:123@:0@:4.00597@:4.20752@:1.40251@:4.00597@:0@:shufnage
l.virga@} [123]
@{char@:8th Mensural Flag (up)@:122@:0@:3.00003@:7.5@:0.50003@:3.00003@:0@:mens
uralu13@} [122]
@{char@:Hufnagel pes lower punctum@:124@:0@:5.61002@:0.98175@:0.98175@:5.61002@
:0@:shufnagel.lpes@} [124]
@{char@:8th Mensural Flag (up)@:123@:0@:3.00003@:8.75@:0.50003@:3.00003@:0@:men
suralu23@} [123]
@{char@:Kievan final note@:125@:0@:3.3581@:4.20752@:4.20752@:3.3581@:0@:sM2kiev
an@} [125]
(parmesan-noteheads13.mf (feta-autometric.mf
@{char@:8th Mensural Flag (down)@:124@:3.00003@:0@:0.50003@:10@:0@:0@:mensurald
03@} [124]
@{char@:Kievan recitative mark@:126@:0@:16.31659@:2.3803@:2.3803@:16.31659@:0@:
sM1kievan@} [126]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-noteheads-generic.mf
@{char@:8th Mensural Flag (down)@:125@:3.00003@:0@:0.50003@:7.5@:0@:0@:mensural
d13@} [125]
@{char@:Kievan whole note@:127@:0@:2.80501@:2.80501@:2.80501@:2.80501@:0@:s0kie
van@} [127] (feta-macros.mf
@{char@:Kievan quarter note down@:128@:0@:2.86111@:7.01253@:1.12198@:2.86111@:0
@:d2kievan@} [128]
@{char@:8th Mensural Flag (down)@:126@:3.00003@:0@:0.50003@:8.75@:0@:0@:mensura
ld23@} [126]
@{char@:Kievan quarter note up@:129@:0@:2.86111@:1.12198@:7.29305@:2.86111@:0@:
u2kievan@} [129]) (feta-params.mf
@{char@:Kievan half note (line position)@:130@:0@:2.9733@:4.48804@:2.80501@:2.9
733@:0@:s1kievan@} [130]
@{char@:16th Mensural Flag (up)@:127@:0@:3.00003@:15@:0.50003@:3.00003@:0@:mens
uralu04@} [127]
@{char@:Kievan half note (space position)@:131@:0@:3.08553@:2.80501@:3.92699@:3
.08553@:0@:sr1kievan@} [131])
(parmesan-macros.mf
@{char@:Kievan eighth note (down)@:132@:0@:3.50626@:8.41502@:1.40251@:3.50626@:
0@:d3kievan@} [132])
@{font@:GNU@:LilyPond@:parmesan@:12.6@:parmesanMusic@}
(parmesan-noteheads.mf
@{char@:16th Mensural Flag (up)@:128@:0@:3.00003@:12.5@:0.50003@:3.00003@:0@:me
nsuralu14@} [128
@{char@:mensural g clef@:80@:0@:5.61253@:2.91849@:17.06209@:5.61253@:0@:mensura
l.g_change@} [80]
@{char@:Kievan eighth note (up)@:133@:0@:2.80501@:1.12198@:8.1345@:2.80501@:0@:
u3kievan@} [133]]
@{puorg@:noteheads@}
)
@{tnof@})
@{char@:16th Mensural Flag (up)@:129@:0@:3.00003@:13.75@:0.50003@:3.00003@:0@:m
ensuralu24@} [129]
@{char@:Hufnagel do clef@:81@:0@:6.17378@:3.92874@:4.20938@:6.17378@:0@:hufnage
l.do@} [81]rm -f parmesan18.*gf  parmesan18.*pk

@{char@:16th Mensural Flag (down)@:130@:3.00003@:0@:0.50003@:15@:0@:0@:mensural
d04@} [130] )
(some charht values had to be adjusted by as much as 0.06783pt)
Font metrics written on parmesan-noteheads11.tfm.
Output written on parmesan-noteheads11.600gf (101 characters, 14300 bytes).
Transcript written on parmesan-noteheads11.log.

@{char@:Hufnagel do clef@:82@:0@:4.93906@:3.143@:3.36752@:4.93906@:0@:hufnagel.
do_change@} [82]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:8.19005@:1.79329@:1.79329@:8.
19005@:0@:uM3neomensural@} [33]
@{char@:16th Mensural Flag (down)@:131@:3.00003@:0@:0.50003@:12.5@:0@:0@:mensur
ald14@} [131]
@{char@:Hufnagel fa clef@:83@:0@:6.73499@:6.45435@:5.6125@:6.73499@:0@:hufnagel
.fa@} [83]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:8.19005@:1.79329@:1.79329@:
8.19005@:0@:dM3neomensural@} [34]
@{char@:16th Mensural Flag (down)@:132@:3.00003@:0@:0.50003@:13.75@:0@:0@:mensu
rald24@} [132]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:6.30002@:1.79329@:1.79329@:6.3
0002@:0@:uM2neomensural@} [35
@{char@:Hufnagel fa clef@:84@:0@:5.38802@:5.1635@:4.49002@:5.38802@:0@:hufnagel
.fa_change@} [84]]
@{char@:32th Mensural Flag (up)@:133@:0@:3.00003@:20@:0.50003@:3.00003@:0@:mens
uralu05@} [133]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:6.30002@:1.79329@:1.79329@:6
.30002@:0@:dM2neomensural@} [36]
@{char@:32th Mensural Flag (up)@:134@:0@:3.00003@:17.5@:0.50003@:3.00003@:0@:me
nsuralu15@} [134]
@{char@:Neo-mensural brevis notehead@:37@:0@:6.30002@:1.79329@:1.79329@:6.30002
@:0@:sM1neomensural@} [37]
@{char@:Hufnagel do/fa clef@:85@:0@:6.73499@:17.67935@:4.20938@:6.73499@:0@:huf
nagel.do.fa@} [85]
@{char@:32th Mensural Flag (up)@:135@:0@:3.00003@:18.75@:0.50003@:3.00003@:0@:m
ensuralu25@} [135
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:8.19005@:1.7932
9@:1.79329@:8.19005@:0@:urM3neomensural@} [38]]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:8.19005@:1.79
329@:1.79329@:8.19005@:0@:drM3neomensural@} [39]
@{char@:32th Mensural Flag (down)@:136@:3.00003@:0@:0.50003@:20@:0@:0@:mensural
d05@} [136]
@{char@:Hufnagel do/fa clef@:86@:0@:5.38802@:16.3885@:3.36752@:5.38802@:0@:hufn
agel.do.fa_change@} [86]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:6.30002@:1.79329
@:1.79329@:6.30002@:0@:urM2neomensural@} [40]
@{char@:Kievan tsefaut clef@:87@:0@:8.41876@:12.62813@:3.0869@:8.41876@:0@:kiev
an.do@} [87]
@{char@:32th Mensural Flag (down)@:137@:3.00003@:0@:0.50003@:17.5@:0@:0@:mensur
ald15@} [137]
@{char@:Kievan tsefaut clef@:88@:0@:8.41876@:12.62813@:3.0869@:8.41876@:0@:kiev
an.do_change@} [88]
@{puorg@:clefs@}
) (parmesan-custodes.mf
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:6.30002@:1.793
29@:1.79329@:6.30002@:0@:drM2neomensural@} [41]
@{char@:32th Mensural Flag (down)@:138@:3.00003@:0@:0.50003@:18.75@:0@:0@:mensu
rald25@} [138
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:6.30002@:1.79329@:1
.79329@:6.30002@:0@:srM1neomensural@} [42]]
@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:3.68018@:3.06679@:5.6125@:3.68018@:0@:hufnagel.
u0@} [89]
@{char@:Neo-mensural semibrevis head@:43@:0@:3.15001@:1.79329@:1.79329@:1.57501
@:0.65825@:s0neomensural@} [43]
@{char@:Neo-mensural minima head@:44@:0@:3.15001@:1.79329@:1.79329@:1.57501@:0.
65825@:s1neomensural@} [44]
@{char@:Custos Hufnagel@:90@:0@:3.68018@:3.06679@:8.41876@:3.68018@:0@:hufnagel
.u1@} [90]
@{char@:Neo-mensural semiminima head@:45@:0@:3.15001@:1.79329@:1.79329@:1.57501
@:0.65825@:s2neomensural@} [45]
@{char@:64th Mensural Flag (up)@:139@:0@:3.00003@:25@:0.50003@:3.00003@:0@:mens
uralu06@} [139]
@{char@:Custos Hufnagel@:91@:0@:3.68018@:3.06679@:7.01563@:3.68018@:0@:hufnagel
.u2@} [91]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:4.09502@:2.33127@:2.33127
@:4.09502@:0@:s0harmonic@} [46]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:4.09502@:2.33127@:2.3312
7@:4.09502@:0@:s2harmonic@} [47]
@{char@:Reverse Custos Hufnagel@:92@:0@:3.68018@:5.6125@:3.06679@:3.68018@:0@:h
ufnagel.d0@} [92]
@{char@:Mensural maxima notehead (up)@:48@:0@:6.30002@:1.79329@:1.79329@:6.3000
2@:0@:uM3mensural@} [48
@{char@:64th Mensural Flag (up)@:140@:0@:3.00003@:22.5@:0.50003@:3.00003@:0@:me
nsuralu16@} [140]]
@{char@:Reverse Custos Hufnagel@:93@:0@:3.68018@:8.41876@:3.06679@:3.68018@:0@:
hufnagel.d1@} [93]
@{char@:Mensural maxima notehead (down)@:49@:0@:6.30002@:1.79329@:1.79329@:6.30
002@:0@:dM3mensural@} [49]
@{char@:Reverse Custos Hufnagel@:94@:0@:3.68018@:7.01563@:3.06679@:3.68018@:0@:
hufnagel.d2@} [94]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:6.30002@:1.79329@:1.79329@:
6.30002@:0@:sM3ligmensural@} [50]
@{char@:Mensural longa notehead (up)@:51@:0@:3.15001@:1.79329@:1.79329@:3.15001
@:0@:uM2mensural@} [51]
@{char@:64th Mensural Flag (up)@:141@:0@:3.00003@:23.75@:0.50003@:3.00003@:0@:m
ensuralu26@} [141]
@{char@:Custos Med.@:95@:0@:1.53339@:3.06679@:5.6125@:1.53339@:0@:medicaea.u0@}
[95]
@{char@:Mensural longa notehead (down)@:52@:0@:3.15001@:1.79329@:1.79329@:3.150
01@:0@:dM2mensural@} [52]
@{char@:Custos Med.@:96@:0@:1.53339@:3.06679@:8.41876@:1.53339@:0@:medicaea.u1@
} [96]
@{char@:Mensural longa notehead (ligature)@:53@:0@:3.15001@:1.79329@:1.79329@:3
.15001@:0@:sM2ligmensural@} [53]
@{char@:Mensural brevis notehead@:54@:0@:3.15001@:1.79329@:1.79329@:3.15001@:0@
:sM1mensural@} [54]
@{char@:mensural g clef@:79@:0@:7.875@:4.09497@:23.94003@:7.875@:0@:mensural.g@
} [79
@{char@:64th Mensural Flag (down)@:142@:3.00003@:0@:0.50003@:25@:0@:0@:mensural
d06@} [142
@{char@:Custos Med.@:97@:0@:1.53339@:3.06679@:7.01563@:1.53339@:0@:medicaea.u2@
} [97]]]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:6.30002@:1.79329@:1
.79329@:6.30002@:0@:urM3mensural@} [55]
@{char@:Reverse Custos Med.@:98@:0@:1.53339@:5.6125@:3.06679@:1.53339@:0@:medic
aea.d0@} [98]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:6.30002@:1.79329@
:1.79329@:6.30002@:0@:drM3mensural@} [56]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:6.30002@:1.79
329@:1.79329@:6.30002@:0@:srM3ligmensural@} [57]
@{char@:Reverse Custos Med.@:99@:0@:1.53339@:8.41876@:3.06679@:1.53339@:0@:medi
caea.d1@} [99]
@{char@:64th Mensural Flag (down)@:143@:3.00003@:0@:0.50003@:22.5@:0@:0@:mensur
ald16@} [143]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:3.15001@:1.79329@:1.
79329@:3.15001@:0@:urM2mensural@} [58]
@{char@:Reverse Custos Med.@:100@:0@:1.53339@:7.01563@:3.06679@:1.53339@:0@:med
icaea.d2@} [100]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:3.15001@:1.79329@:
1.79329@:3.15001@:0@:drM2mensural@} [59]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:3.15001@:1.793
29@:1.79329@:3.15001@:0@:srM2ligmensural@} [60]
@{char@:Custos Ed. Vat.@:101@:0@:1.47209@:1.90149@:5.6125@:1.47209@:0@:vaticana
.u0@} [101]
@{char@:64th Mensural Flag (down)@:144@:3.00003@:0@:0.50003@:23.75@:0@:0@:mensu
rald26@} [144]
@{puorg@:flags@}
)
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:3.15001@:1.79329@:1.793
29@:3.15001@:0@:srM1mensural@} [61] (parmesan-timesignatures.mf
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:6.30002@:1.79329@:1.
79329@:6.30002@:0@:uM3semimensural@} [62
@{char@:Custos Ed. Vat.@:102@:0@:1.47209@:1.90149@:8.41876@:1.47209@:0@:vatican
a.u1@} [102]]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural44@} [145]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:6.30002@:1.79329@:
1.79329@:6.30002@:0@:dM3semimensural@} [63]
@{char@:Custos Ed. Vat.@:103@:0@:1.47209@:1.90149@:7.01563@:1.47209@:0@:vatican
a.u2@} [103]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:6.30002@:1.793
29@:1.79329@:6.30002@:0@:sM3semiligmensural@} [64]
@{char@:Mensural 2/2 meter@:146@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural22@} [146]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:3.15001@:1.79329@:1.7
9329@:3.15001@:0@:uM2semimensural@} [65]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.47209@:5.6125@:1.90149@:1.47209@:0@:
vaticana.d0@} [104]
@{char@:Mensural 3/2 meter@:147@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural32@} [147]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:3.15001@:1.79329@:1
.79329@:3.15001@:0@:dM2semimensural@} [66]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.47209@:8.41876@:1.90149@:1.47209@:0@
:vaticana.d1@} [105]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:3.15001@:1.7932
9@:1.79329@:3.15001@:0@:sM2semiligmensural@} [67]
@{char@:Mensural 6/4 meter@:148@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural64@} [148]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:3.15001@:1.79329@:1.79329
@:3.15001@:0@:sM1semimensural@} [68]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.47209@:7.01563@:1.90149@:1.47209@:0@
:vaticana.d2@} [106]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:6.3000
2@:1.79329@:1.79329@:6.30002@:0@:urM3semimensural@} [69]
@{char@:Mensural 9/4 meter@:149@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural94@} [149]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:6.30
002@:1.79329@:1.79329@:6.30002@:0@:drM3semimensural@} [70]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
6.30002@:1.79329@:1.79329@:6.30002@:0@:srM3semiligmensural@} [71
@{char@:Mensural 3/4 meter@:150@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural34@} [150]]
@{char@:Custos Mensural@:107@:0@:7.36028@:2.0241@:11.225@:7.36028@:0@:mensural.
u0@} [107]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:3.15001
@:1.79329@:1.79329@:3.15001@:0@:urM2semimensural@} [72]
@{char@:Mensural 6/8 meter@:151@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural68@} [151]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:3.150
01@:1.79329@:1.79329@:3.15001@:0@:drM2semimensural@} [73]
@{char@:Custos Mensural@:108@:0@:7.36028@:2.0241@:14.03127@:7.36028@:0@:mensura
l.u1@} [108]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:3
.15001@:1.79329@:1.79329@:3.15001@:0@:srM2semiligmensural@} [74]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:3.15001@:1
.79329@:1.79329@:3.15001@:0@:srM1semimensural@} [75]
@{char@:Mensural 9/8 meter@:152@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural98@} [152]
@{char@:Black mensural maxima notehead (up)@:76@:0@:6.30002@:1.79329@:1.79329@:
6.30002@:0@:uM3blackmensural@} [76]
@{char@:Custos Mensural@:109@:0@:7.36028@:2.0241@:12.62813@:7.36028@:0@:mensura
l.u2@} [109]
@{char@:Mensural 4/8 meter@:153@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural48@} [153]
@{char@:Black mensural maxima notehead (down)@:77@:0@:6.30002@:1.79329@:1.79329
@:6.30002@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:6.30002@:1.79329@:1.7
9329@:6.30002@:0@:sM3blackligmensural@} [78]
@{char@:Mensural 6/8 meter@:154@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural68alt@} [154]
@{char@:Black mensural longa notehead (up)@:79@:0@:3.15001@:1.79329@:1.79329@:3
.15001@:0@:uM2blackmensural@} [79]
@{char@:Reverse Custos Mensural@:110@:0@:7.36028@:11.225@:2.0241@:7.36028@:0@:m
ensural.d0@} [110]
@{char@:Black mensural longa notehead (down)@:80@:0@:3.15001@:1.79329@:1.79329@
:3.15001@:0@:dM2blackmensural@} [80]
@{char@:Mensural 2/4 meter@:155@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural24@} [155]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:3.15001@:1.79329@:1.79
329@:3.15001@:0@:sM2blackligmensural@} [81]mv parmesan-noteheads11.log parmesan-noteheads11.tfm ./out

@{char@:Mensural 4/4 meter@:156@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural44@} [156]
@{char@:Black mensural brevis notehead@:82@:0@:3.15001@:1.79329@:1.79329@:3.150
01@:0@:sM1blackmensural@} [82]
@{char@:Reverse Custos Mensural@:111@:0@:7.36028@:14.03127@:2.0241@:7.36028@:0@
:mensural.d1@} [111]( echo ./out/parmesan-noteheads14.tfm:  > out/parmesan-noteheads14.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan-noteheads14.mf;" 

@{char@:Mensural 2/2 meter@:157@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural22@} [157]
@{char@:Mensural 3/2 meter@:158@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural32@} [158]
@{char@:Reverse Custos Mensural@:112@:0@:7.36028@:12.62813@:2.0241@:7.36028@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
) (parmesan-accidentals.mf
@{char@:Mensural semibrevis head@:83@:0@:1.81865@:1.57501@:1.57501@:0.90933@:0.
7019@:s0mensural@} [83]
@{char@:Mensural 6/4 meter@:159@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural64@} [159]
@{char@:Mensural 9/4 meter@:160@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural94@} [160]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.56128@:3.36754@:3.36754@:5.6125@:3.36754@:0@:medi
caeaM1@} [113]
@{char@:Mensural minima head@:84@:0@:1.81865@:1.57501@:1.57501@:0.90933@:0.7019
@:s1mensural@} [84]
@{char@:Mensural 3/4 meter@:161@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural34@} [161]
@{char@:Ed. Vat. Flat@:114@:0.13026@:2.93652@:1.90823@:5.1074@:2.93652@:0@:vati
canaM1@} [114]
@{char@:Mensural 6/8 meter@:162@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural68@} [162]
@{char@:Ed. Vat. Natural@:115@:0.20842@:2.45338@:4.26547@:4.26547@:2.45338@:0@:
vaticana0@} [115]
@{char@:Mensural Sharp@:116@:2.0044@:3.12686@:2.45338@:2.45338@:3.12686@:0@:men
sural1@} [116]
@{char@:Mensural 9/8 meter@:163@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural98@} [163]
@{char@:Mensural semiminima head@:85@:0@:1.81865@:1.57501@:1.57501@:0.90933@:0.
7019@:s2mensural@} [85]
@{char@:Mensural 4/8 meter@:164@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural48@} [164]
@{char@:Mensural 6/8 meter@:165@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural68alt@} [165
@{char@:Mensural Flat@:117@:0.39081@:2.63577@:1.79393@:10.49333@:2.63577@:0@:me
nsuralM1@} [117]]
@{char@:Mensural 2/4 meter@:166@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
) (parmesan-scripts.mf
@{char@:Black mensural semibrevis head@:86@:0@:1.81865@:1.57501@:1.57501@:0.909
33@:0.7019@:s0blackmensural@} [86]
@{group@:scripts@}
@{char@:ictus@:167@:0.25003@:0.25003@:0.87502@:0.87502@:0.25003@:0@:ictus@}
[167]
@{char@:accentus up@:168@:0.625@:0.625@:0.87502@:0.87502@:0.625@:0@:uaccentus@}
[168]
@{char@:accentus down@:169@:0.625@:0.625@:0.87502@:0.87502@:0.625@:0@:daccentus
@} [169]
@{char@:Petrucci semibrevis head@:87@:0@:3.61525@:2.51059@:2.51059@:1.80763@:1.
37555@:s0petrucci@} [87]
@{char@:half circle@:170@:0.78125@:0.78125@:0@:0.78125@:0.78125@:0@:usemicircul
us@} [170]
@{char@:half circle@:171@:0.78125@:0.78125@:0.78125@:0@:0.78125@:0@:dsemicircul
us@} [171]
@{char@:circle@:172@:0.78125@:0.78125@:0.78125@:0.78125@:0.78125@:0@:circulus@}
[172]
@{char@:Petrucci minima head@:88@:0@:3.61525@:2.51059@:2.51059@:1.80763@:1.3755
5@:s1petrucci@} [88]
@{char@:augmentum@:173@:0.625@:0.625@:0.625@:0.625@:0.625@:0@:augmentum@}
[173]
@{char@:Petrucci semiminima head@:89@:0@:3.61525@:2.51059@:2.51059@:1.80763@:1.
37555@:s2petrucci@} [89]
@{char@:Petrucci colored semibrevis head@:90@:0@:3.61525@:2.51059@:2.51059@:1.8
0763@:1.37555@:s0blackpetrucci@} [90]
@{char@:signum congruentiae up@:174@:3.25008@:3.25008@:1.25012@:11.75017@:3.250
08@:0@:usignumcongruentiae@} [174]
@{char@:Petrucci colored minima head@:91@:0@:3.61525@:2.51059@:2.51059@:1.80763
@:1.37555@:s1blackpetrucci@} [91]
@{char@:signum congruentiae down@:175@:3.25008@:3.25008@:11.75017@:1.25012@:3.2
5008@:0@:dsignumcongruentiae@} [175]
@{char@:Petrucci colored semiminima head@:92@:0@:3.61525@:2.51059@:2.51059@:1.8
0763@:1.37555@:s2blackpetrucci@} [92]
@{char@:Kievan end of piece (slash)@:176@:0@:7.99995@:10.47504@:14.52496@:7.999
95@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
) (parmesan-dots.mf
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.49998@:0.75@:0.75@:1.49998@:0@:dotvaticana@}
[177]
@{char@:Kievan augmentation dot@:178@:0@:4.49995@:2.24998@:2.24998@:4.49995@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@})
@{char@:Ed. Vat. punctum@:93@:0@:1.80902@:1.10596@:1.19562@:1.80902@:0@:svatica
na.punctum@} [93]
@{char@:Ed. Vat. punctum cavum@:94@:0@:1.80902@:1.10596@:1.19562@:1.80902@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:Ed. Vat. linea punctum@:95@:0@:2.93239@:1.2553@:1.2553@:2.93239@:0@:sva
ticana.linea.punctum@} [95]rm -f parmesan-noteheads11.*gf  parmesan-noteheads11.*pk
 )
(some charht values had to be adjusted by as much as 0.625pt)
(some chardp values had to be adjusted by as much as 0.625pt)
Font metrics written on parmesan20.tfm.
Output written on parmesan20.600gf (146 characters, 45540 bytes).
Transcript written on parmesan20.log.

@{char@:Ed. Vat. linea punctum cavum@:96@:0@:2.93239@:1.2553@:1.2553@:2.93239@:
0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.0091@:1.43463@:1.43463@:1.00455@:0.56152@
:svaticana.inclinatum@} [97]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:1.80902@:1.08801@:1.07007@:1.80902@:
0@:svaticana.lpes@} [98]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:1.80902@:1.48254@:0.67554@:1.809
02@:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:1.80902@:1.07008@:1.088@:1.80902@:0
@:svaticana.upes@} [100]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:1.80902@:0.78316@:1.37492@:1.80
902@:0@:svaticana.vupes@} [101]
@{char@:Ed. Vat. plica@:102@:0@:1.08543@:0.7509@:0.80469@:1.08543@:0@:svaticana
.plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:1.08543@:1.01451@:0.6917@:1.08543@:0@:svati
cana.vplica@} [103]
@{char@:Ed. Vat. epiphonus@:104@:0@:1.80902@:1.26736@:1.28528@:1.80902@:0@:svat
icana.epiphonus@} [104]
@{char@:Ed. Vat. var epiphonus@:105@:0@:1.80902@:1.6619@:0.89075@:1.80902@:0@:s
vaticana.vepiphonus@} [105]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.08543@:0.8047@:0.75089@:1.08543@:0@:svat
icana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.08543@:1.16513@:0.54108@:1.08543@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:1.80902@:1.2853@:1.26735@:1.80902@:0
@:svaticana.inner.cephalicus@} [108]
@{char@:Ed. Vat. cephalicus@:109@:0@:1.80902@:4.16351@:1.26735@:1.80902@:0@:sva
ticana.cephalicus@} [109]
@{char@:Ed. Vat. quilisma@:110@:0@:1.80902@:1.00423@:1.29117@:1.80902@:0@:svati
cana.quilisma@} [110]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.25568@:0.89665@:0.89665@:
0.62784@:0.02354@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:1.80902@:1.14182@:1.98465@:1
.80902@:0@:ssolesmes.auct.asc@} [112]
@{char@:Solesmes punctum auctum descendens@:113@:0@:1.80902@:1.98466@:1.1418@:1
.80902@:0@:ssolesmes.auct.desc@} [113]
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.0091@:1.43463@:1.43463@:1.0045
5@:0.56152@:ssolesmes.incl.auctum@} [114]mv parmesan20.log parmesan20.tfm ./out
( echo ./out/parmesan-noteheads16.tfm:  > out/parmesan-noteheads16.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan-noteheads16.mf;" 

@{char@:Solesmes stropha@:115@:0@:2.0091@:1.43463@:1.43463@:1.00455@:0.56152@:s
solesmes.stropha@} [115]
@{char@:mensural g clef@:80@:0@:6.30003@:3.27599@:19.1521@:6.30003@:0@:mensural
.g_change@} [80]
@{char@:Solesmes stropha aucta@:116@:0@:2.0091@:1.43463@:1.43463@:1.00455@:0.56
152@:ssolesmes.stropha.aucta@} [116]
@{char@:Solesmes oriscus@:117@:0@:2.15361@:1.07597@:1.07597@:2.15361@:0@:ssoles
mes.oriscus@} [117]
@{char@:Hufnagel do clef@:81@:0@:6.93004@:4.40999@:4.725@:6.93004@:0@:hufnagel.
do@} [81]
@{char@:Hufnagel do clef@:82@:0@:5.54405@:3.528@:3.78001@:5.54405@:0@:hufnagel.
do_change@} [82]
@{char@:Ed. Med. inclinatum@:118@:0@:2.64679@:1.89@:1.89@:1.3234@:1.01689@:smed
icaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:2.51997@:1.57501@:1.57501@:2.51997@:0@:smedic
aea.punctum@} [119]
@{char@:Hufnagel Flat@:118@:0.52107@:3.32733@:1.9443@:10.36307@:3.32733@:0@:huf
nagelM1@} [118This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)
]
@{char@:Ed. Med. reverse virga@:120@:0@:2.51997@:1.57501@:7.87503@:2.51997@:0@:
smedicaea.rvirga@} [120]
@{char@:Ed. Med. virga@:121@:0@:2.51997@:7.87503@:1.57501@:2.51997@:0@:smedicae
a.virga@} [121]
@{char@:Hufnagel fa clef@:83@:0@:7.55998@:7.24496@:6.3@:7.55998@:0@:hufnagel.fa
@} [83
@{char@:Kievan sharp@:119@:0@:8.98004@:8.98004@:8.98004@:8.98004@:0@:kievan1@}
[119]]
@{char@:Kievan flat@:120@:0@:5.6125@:5.6125@:10.10252@:5.6125@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
)
@{char@:Hufnagel fa clef@:84@:0@:6.04802@:5.79599@:5.04002@:6.04802@:0@:hufnage
l.fa_change@} [84]
@{char@:Hufnagel punctum@:122@:0@:4.49867@:1.57501@:1.57501@:2.24934@:0.7019@:s
hufnagel.punctum@} [122]
@{char@:Hufnagel do/fa clef@:85@:0@:7.55998@:19.84497@:4.725@:7.55998@:0@:hufna
gel.do.fa@} [85]
@{char@:Hufnagel virga@:123@:0@:4.49867@:4.72502@:1.57501@:4.49867@:0@:shufnage
l.virga@} [123]
@{char@:Hufnagel pes lower punctum@:124@:0@:6.30002@:1.10251@:1.10251@:6.30002@
:0@:shufnagel.lpes@} [124]
@{char@:Kievan final note@:125@:0@:3.85191@:4.72502@:4.72502@:3.85191@:0@:sM2ki
evan@} [125]
@{char@:Hufnagel do/fa clef@:86@:0@:6.04802@:18.396@:3.78001@:6.04802@:0@:hufna
gel.do.fa_change@} [86]
@{char@:Kievan recitative mark@:126@:0@:17.83868@:2.71346@:2.71346@:17.83868@:0
@:sM1kievan@} [126]
@{char@:Kievan tsefaut clef@:87@:0@:9.45001@:14.175@:3.46503@:9.45001@:0@:kieva
n.do@} [87]
@{char@:Kievan whole note@:127@:0@:3.15001@:3.15001@:3.15001@:3.15001@:0@:s0kie
van@} [127]
@{char@:Kievan tsefaut clef@:88@:0@:9.45001@:14.175@:3.46503@:9.45001@:0@:kieva
n.do_change@} [88]
@{char@:Kievan quarter note down@:128@:0@:3.21303@:7.87503@:1.25998@:3.21303@:0
@:d2kievan@} [128
@{puorg@:clefs@}
)]
@{char@:Kievan quarter note up@:129@:0@:3.21303@:1.25998@:8.19005@:3.21303@:0@:
u2kievan@} [129]
@{char@:Kievan half note (line position)@:130@:0@:3.339@:5.04004@:3.15001@:3.33
9@:0@:s1kievan@} [130]
@{char@:Kievan half note (space position)@:131@:0@:3.46503@:3.15001@:4.40999@:3
.46503@:0@:sr1kievan@} [131]
@{char@:Kievan eighth note (down)@:132@:0@:3.93752@:9.45003@:1.57501@:3.93752@:
0@:d3kievan@} [132]
@{char@:Kievan eighth note (up)@:133@:0@:3.15001@:1.25998@:9.13501@:3.15001@:0@
:u3kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) (parmesan-custodes.mf )
(some charht values had to be adjusted by as much as 0.08966pt)
(some chardp values had to be adjusted by as much as 0.07288pt)
Font metrics written on parmesan-noteheads13.tfm.
Output written on parmesan-noteheads13.600gf (101 characters, 15596 bytes).
Transcript written on parmesan-noteheads13.log.

@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:4.10684@:3.42233@:6.3@:4.10684@:0@:hufnagel.u0@
} [89]
@{char@:Custos Hufnagel@:90@:0@:4.10684@:3.42233@:9.45001@:4.10684@:0@:hufnagel
.u1@} [90] (parmesan-flags.mf
@{char@:Custos Hufnagel@:91@:0@:4.10684@:3.42233@:7.875@:4.10684@:0@:hufnagel.u
2@} [91]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:3.36754@:11.225@:0.56128@:3.36754@:0@:m
ensuralu03@} [121]
@{char@:Reverse Custos Hufnagel@:92@:0@:4.10684@:6.3@:3.42233@:4.10684@:0@:hufn
agel.d0@} [92]
@{char@:8th Mensural Flag (up)@:122@:0@:3.36754@:8.41876@:0.56128@:3.36754@:0@:
mensuralu13@} [122]
@{char@:Reverse Custos Hufnagel@:93@:0@:4.10684@:9.45001@:3.42233@:4.10684@:0@:
hufnagel.d1@} [93]
@{char@:8th Mensural Flag (up)@:123@:0@:3.36754@:9.82188@:0.56128@:3.36754@:0@:
mensuralu23@} [123]
@{char@:Reverse Custos Hufnagel@:94@:0@:4.10684@:7.875@:3.42233@:4.10684@:0@:hu
fnagel.d2@} [94]
@{char@:8th Mensural Flag (down)@:124@:3.36754@:0@:0.56128@:11.225@:0@:0@:mensu
rald03@} [124]
@{char@:8th Mensural Flag (down)@:125@:3.36754@:0@:0.56128@:8.41876@:0@:0@:mens
urald13@} [125]
@{char@:Custos Med.@:95@:0@:1.71117@:3.42233@:6.3@:1.71117@:0@:medicaea.u0@}
[95]
@{char@:8th Mensural Flag (down)@:126@:3.36754@:0@:0.56128@:9.82188@:0@:0@:mens
urald23@} [126rm -f parmesan20.*gf  parmesan20.*pk
]
@{char@:Custos Med.@:96@:0@:1.71117@:3.42233@:9.45001@:1.71117@:0@:medicaea.u1@
} [96]mv parmesan-noteheads13.log parmesan-noteheads13.tfm ./out

@{char@:Custos Med.@:97@:0@:1.71117@:3.42233@:7.875@:1.71117@:0@:medicaea.u2@}
[97]
@{char@:16th Mensural Flag (up)@:127@:0@:3.36754@:16.83751@:0.56128@:3.36754@:0
@:mensuralu04@} [127]
@{char@:Reverse Custos Med.@:98@:0@:1.71117@:6.3@:3.42233@:1.71117@:0@:medicaea
.d0@} [98]
@{char@:Reverse Custos Med.@:99@:0@:1.71117@:9.45001@:3.42233@:1.71117@:0@:medi
caea.d1@} [99]
@{char@:16th Mensural Flag (up)@:128@:0@:3.36754@:14.03127@:0.56128@:3.36754@:0
@:mensuralu14@} [128]
@{char@:Reverse Custos Med.@:100@:0@:1.71117@:7.875@:3.42233@:1.71117@:0@:medic
aea.d2@} [100]
@{char@:16th Mensural Flag (up)@:129@:0@:3.36754@:15.43439@:0.56128@:3.36754@:0
@:mensuralu24@} [129]
@{char@:Custos Ed. Vat.@:101@:0@:1.64276@:2.12193@:6.3@:1.64276@:0@:vaticana.u0
@} [101]
@{char@:Custos Ed. Vat.@:102@:0@:1.64276@:2.12193@:9.45001@:1.64276@:0@:vatican
a.u1@} [102]
@{char@:16th Mensural Flag (down)@:130@:3.36754@:0@:0.56128@:16.83751@:0@:0@:me
nsurald04@} [130]
@{char@:Custos Ed. Vat.@:103@:0@:1.64276@:2.12193@:7.875@:1.64276@:0@:vaticana.
u2@} [103]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.64276@:6.3@:2.12193@:1.64276@:0@:vat
icana.d0@} [104]
@{char@:16th Mensural Flag (down)@:131@:3.36754@:0@:0.56128@:14.03127@:0@:0@:me
nsurald14@} [131]
(parmesan-noteheads14.mf (feta-autometric.mf
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.64276@:9.45001@:2.12193@:1.64276@:0@
:vaticana.d1@} [105]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-noteheads-generic.mf
@{char@:16th Mensural Flag (down)@:132@:3.36754@:0@:0.56128@:15.43439@:0@:0@:me
nsurald24@} [132]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.64276@:7.875@:2.12193@:1.64276@:0@:v
aticana.d2@} [106] (feta-macros.mf) (feta-params.mf
@{char@:Custos Mensural@:107@:0@:8.21358@:2.25876@:12.6@:8.21358@:0@:mensural.u
0@} [107]
@{char@:32th Mensural Flag (up)@:133@:0@:3.36754@:22.45001@:0.56128@:3.36754@:0
@:mensuralu05@} [133])
(parmesan-macros.mf
@{char@:Custos Mensural@:108@:0@:8.21358@:2.25876@:15.75002@:8.21358@:0@:mensur
al.u1@} [108])
@{font@:GNU@:LilyPond@:parmesan@:14.14@:parmesanMusic@}
(parmesan-noteheads.mf
@{char@:32th Mensural Flag (up)@:134@:0@:3.36754@:19.64377@:0.56128@:3.36754@:0
@:mensuralu15@} [134]
@{char@:Custos Mensural@:109@:0@:8.21358@:2.25876@:14.175@:8.21358@:0@:mensural
.u2@} [109]
@{char@:Reverse Custos Mensural@:110@:0@:8.21358@:12.6@:2.25876@:8.21358@:0@:me
nsural.d0@} [110]
@{char@:32th Mensural Flag (up)@:135@:0@:3.36754@:21.04689@:0.56128@:3.36754@:0
@:mensuralu25@} [135]
@{char@:Reverse Custos Mensural@:111@:0@:8.21358@:15.75002@:2.25876@:8.21358@:0
@:mensural.d1@} [111]
@{char@:32th Mensural Flag (down)@:136@:3.36754@:0@:0.56128@:22.45001@:0@:0@:me
nsurald05@} [136
@{char@:Reverse Custos Mensural@:112@:0@:8.21358@:14.175@:2.25876@:8.21358@:0@:
mensural.d2@} [112]]
@{puorg@:custodes@}
)
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:9.19102@:1.99239@:1.99239@:9.
19102@:0@:uM3neomensural@} [33] (parmesan-accidentals.mf
@{char@:32th Mensural Flag (down)@:137@:3.36754@:0@:0.56128@:19.64377@:0@:0@:me
nsurald15@} [137]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.63004@:3.78004@:3.78004@:6.3@:3.78004@:0@:medicae
aM1@} [113]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:9.19102@:1.99239@:1.99239@:
9.19102@:0@:dM3neomensural@} [34]
@{char@:Ed. Vat. Flat@:114@:0.13617@:3.28618@:2.14198@:5.73303@:3.28618@:0@:vat
icanaM1@} [114]
@{char@:Ed. Vat. Natural@:115@:0.21786@:2.73782@:4.78798@:4.78798@:2.73782@:0@:
vaticana0@} [115]
@{char@:32th Mensural Flag (down)@:138@:3.36754@:0@:0.56128@:21.04689@:0@:0@:me
nsurald25@} [138
@{char@:Neo-mensural longa notehead (up)@:35@:0@:7.07@:1.99239@:1.99239@:7.07@:
0@:uM2neomensural@} [35]]
@{char@:Mensural Sharp@:116@:2.23384@:3.4938@:2.73782@:2.73782@:3.4938@:0@:mens
ural1@} [116]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:7.07@:1.99239@:1.99239@:7.07
@:0@:dM2neomensural@} [36]
@{char@:Mensural Flat@:117@:0.4085@:2.92845@:1.98349@:11.74852@:2.92845@:0@:men
suralM1@} [117]
@{char@:Neo-mensural brevis notehead@:37@:0@:7.07@:1.99239@:1.99239@:7.07@:0@:s
M1neomensural@} [37]
@{char@:64th Mensural Flag (up)@:139@:0@:3.36754@:28.06252@:0.56128@:3.36754@:0
@:mensuralu06@} [139]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:9.19102@:1.9923
9@:1.99239@:9.19102@:0@:urM3neomensural@} [38]
@{char@:64th Mensural Flag (up)@:140@:0@:3.36754@:25.25627@:0.56128@:3.36754@:0
@:mensuralu16@} [140]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:9.19102@:1.99
239@:1.99239@:9.19102@:0@:drM3neomensural@} [39]rm -f parmesan-noteheads13.*gf  parmesan-noteheads13.*pk

@{char@:64th Mensural Flag (up)@:141@:0@:3.36754@:26.6594@:0.56128@:3.36754@:0@
:mensuralu26@} [141]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:7.07@:1.99239@:1
.99239@:7.07@:0@:urM2neomensural@} [40]
@{char@:64th Mensural Flag (down)@:142@:3.36754@:0@:0.56128@:28.06252@:0@:0@:me
nsurald06@} [142]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:7.07@:1.99239@
:1.99239@:7.07@:0@:drM2neomensural@} [41]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:7.07@:1.99239@:1.99
239@:7.07@:0@:srM1neomensural@} [42]
@{char@:64th Mensural Flag (down)@:143@:3.36754@:0@:0.56128@:25.25627@:0@:0@:me
nsurald16@} [143]
@{char@:Neo-mensural semibrevis head@:43@:0@:3.535@:1.99239@:1.99239@:1.7675@:0
.82298@:s0neomensural@} [43]
@{char@:Neo-mensural minima head@:44@:0@:3.535@:1.99239@:1.99239@:1.7675@:0.822
98@:s1neomensural@} [44]
@{char@:64th Mensural Flag (down)@:144@:3.36754@:0@:0.56128@:26.6594@:0@:0@:men
surald26@} [144
@{char@:Neo-mensural semiminima head@:45@:0@:3.535@:1.99239@:1.99239@:1.7675@:0
.82298@:s2neomensural@} [45]]
@{puorg@:flags@}
) (parmesan-timesignatures.mf
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:4.59552@:2.59012@:2.59012
@:4.59552@:0@:s0harmonic@} [46]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al44@} [145]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:4.59552@:2.59012@:2.5901
2@:4.59552@:0@:s2harmonic@} [47]
@{char@:Mensural 2/2 meter@:146@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al22@} [146]
@{char@:Mensural 3/2 meter@:147@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al32@} [147]
@{char@:Mensural maxima notehead (up)@:48@:0@:7.07@:1.99239@:1.99239@:7.07@:0@:
uM3mensural@} [48]
@{char@:Mensural 6/4 meter@:148@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al64@} [148]
@{char@:Mensural maxima notehead (down)@:49@:0@:7.07@:1.99239@:1.99239@:7.07@:0
@:dM3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:7.07@:1.99239@:1.99239@:7.0
7@:0@:sM3ligmensural@} [50]
@{char@:Mensural 9/4 meter@:149@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al94@} [149]
@{char@:Mensural longa notehead (up)@:51@:0@:3.535@:1.99239@:1.99239@:3.535@:0@
:uM2mensural@} [51]
@{char@:Mensural 3/4 meter@:150@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al34@} [150]
@{char@:Mensural longa notehead (down)@:52@:0@:3.535@:1.99239@:1.99239@:3.535@:
0@:dM2mensural@} [52]
@{char@:Mensural 6/8 meter@:151@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al68@} [151]
@{char@:Mensural longa notehead (ligature)@:53@:0@:3.535@:1.99239@:1.99239@:3.5
35@:0@:sM2ligmensural@} [53]
@{char@:Mensural brevis notehead@:54@:0@:3.535@:1.99239@:1.99239@:3.535@:0@:sM1
mensural@} [54]
@{char@:Mensural 9/8 meter@:152@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al98@} [152]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:7.07@:1.99239@:1.99
239@:7.07@:0@:urM3mensural@} [55
@{char@:Mensural 4/8 meter@:153@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al48@} [153]]
@{char@:Hufnagel Flat@:118@:0.54466@:3.69467@:2.16235@:11.61237@:3.69467@:0@:hu
fnagelM1@} [118]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:7.07@:1.99239@:1.
99239@:7.07@:0@:drM3mensural@} [56
@{char@:Mensural 6/8 meter@:154@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al68alt@} [154]]
@{char@:Kievan sharp@:119@:0@:10.08005@:10.08005@:10.08005@:10.08005@:0@:kievan
1@} [119]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:7.07@:1.99239
@:1.99239@:7.07@:0@:srM3ligmensural@} [57]
@{char@:Kievan flat@:120@:0@:6.3@:6.3@:11.34003@:6.3@:0@:kievanM1@} [120
@{char@:Mensural 2/4 meter@:155@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al24@} [155]]
@{puorg@:accidentals@}
)
@{char@:Mensural 4/4 meter@:156@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural44@} [156
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:3.535@:1.99239@:1.99
239@:3.535@:0@:urM2mensural@} [58]]
@{char@:Mensural 2/2 meter@:157@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural22@} [157]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:3.535@:1.99239@:1.
99239@:3.535@:0@:drM2mensural@} [59]
@{char@:Mensural 3/2 meter@:158@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural32@} [158]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:3.535@:1.99239
@:1.99239@:3.535@:0@:srM2ligmensural@} [60]
@{char@:Mensural 6/4 meter@:159@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural64@} [159]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:3.535@:1.99239@:1.99239
@:3.535@:0@:srM1mensural@} [61]
@{char@:Mensural 9/4 meter@:160@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural94@} [160]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:7.07@:1.99239@:1.992
39@:7.07@:0@:uM3semimensural@} [62]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:7.07@:1.99239@:1.9
9239@:7.07@:0@:dM3semimensural@} [63]
@{char@:Mensural 3/4 meter@:161@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural34@} [161]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:7.07@:1.99239@
:1.99239@:7.07@:0@:sM3semiligmensural@} [64]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:3.535@:1.99239@:1.992
39@:3.535@:0@:uM2semimensural@} [65
@{char@:Mensural 6/8 meter@:162@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural68@} [162]]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:3.535@:1.99239@:1.9
9239@:3.535@:0@:dM2semimensural@} [66]
@{char@:Mensural 9/8 meter@:163@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural98@} [163
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:3.535@:1.99239@
:1.99239@:3.535@:0@:sM2semiligmensural@} [67]]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:3.535@:1.99239@:1.99239@:
3.535@:0@:sM1semimensural@} [68]
@{char@:Mensural 4/8 meter@:164@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural48@} [164]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:7.07@:
1.99239@:1.99239@:7.07@:0@:urM3semimensural@} [69]
@{char@:Mensural 6/8 meter@:165@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural68alt@} [165]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:7.07
@:1.99239@:1.99239@:7.07@:0@:drM3semimensural@} [70]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
7.07@:1.99239@:1.99239@:7.07@:0@:srM3semiligmensural@} [71]
@{char@:Mensural 2/4 meter@:166@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural24@} [166]
@{puorg@:timesig@}
)
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:3.535@:
1.99239@:1.99239@:3.535@:0@:urM2semimensural@} [72]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:3.535
@:1.99239@:1.99239@:3.535@:0@:drM2semimensural@} [73]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:3
.535@:1.99239@:1.99239@:3.535@:0@:srM2semiligmensural@} [74]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:3.535@:1.9
9239@:1.99239@:3.535@:0@:srM1semimensural@} [75]
@{char@:Black mensural maxima notehead (up)@:76@:0@:7.07@:1.99239@:1.99239@:7.0
7@:0@:uM3blackmensural@} [76]
@{char@:Black mensural maxima notehead (down)@:77@:0@:7.07@:1.99239@:1.99239@:7
.07@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:7.07@:1.99239@:1.9923
9@:7.07@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:3.535@:1.99239@:1.99239@:3.5
35@:0@:uM2blackmensural@} [79]
@{char@:Black mensural longa notehead (down)@:80@:0@:3.535@:1.99239@:1.99239@:3
.535@:0@:dM2blackmensural@} [80]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:3.535@:1.99239@:1.9923
9@:3.535@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:3.535@:1.99239@:1.99239@:3.535@:
0@:sM1blackmensural@} [82]
@{char@:Mensural semibrevis head@:83@:0@:2.04092@:1.7675@:1.7675@:1.02046@:0.86
797@:s0mensural@} [83]
@{char@:Mensural minima head@:84@:0@:2.04092@:1.7675@:1.7675@:1.02046@:0.86797@
:s1mensural@} [84] (parmesan-flags.mf (parmesan-scripts.mf
@{group@:scripts@}
@{char@:ictus@:167@:0.26054@:0.26054@:0.98221@:0.98221@:0.26054@:0@:ictus@}
[167]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:3.78004@:12.6@:0.63004@:3.78004@:0@:men
suralu03@} [121]
@{char@:accentus up@:168@:0.70157@:0.70157@:0.98221@:0.98221@:0.70157@:0@:uacce
ntus@} [168]
@{char@:8th Mensural Flag (up)@:122@:0@:3.78004@:9.45001@:0.63004@:3.78004@:0@:
mensuralu13@} [122]
@{char@:accentus down@:169@:0.70157@:0.70157@:0.98221@:0.98221@:0.70157@:0@:dac
centus@} [169]
@{char@:Mensural semiminima head@:85@:0@:2.04092@:1.7675@:1.7675@:1.02046@:0.86
797@:s2mensural@} [85]
@{char@:half circle@:170@:0.87695@:0.87695@:0@:0.87695@:0.87695@:0@:usemicircul
us@} [170]
@{char@:8th Mensural Flag (up)@:123@:0@:3.78004@:11.02501@:0.63004@:3.78004@:0@
:mensuralu23@} [123]
@{char@:half circle@:171@:0.87695@:0.87695@:0.87695@:0@:0.87695@:0@:dsemicircul
us@} [171]
@{char@:circle@:172@:0.87695@:0.87695@:0.87695@:0.87695@:0.87695@:0@:circulus@}
[172
@{char@:8th Mensural Flag (down)@:124@:3.78004@:0@:0.63004@:12.6@:0@:0@:mensura
ld03@} [124]]
@{char@:augmentum@:173@:0.70157@:0.70157@:0.70157@:0.70157@:0.70157@:0@:augment
um@} [173]
@{char@:8th Mensural Flag (down)@:125@:3.78004@:0@:0.63004@:9.45001@:0@:0@:mens
urald13@} [125]
@{char@:8th Mensural Flag (down)@:126@:3.78004@:0@:0.63004@:11.02501@:0@:0@:men
surald23@} [126]
@{char@:Black mensural semibrevis head@:86@:0@:2.04092@:1.7675@:1.7675@:1.02046
@:0.86797@:s0blackmensural@} [86]
@{char@:Petrucci semibrevis head@:87@:0@:4.01665@:2.78934@:2.78934@:2.00833@:1.
61993@:s0petrucci@} [87
@{char@:signum congruentiae up@:174@:3.58788@:3.58788@:1.30269@:13.04877@:3.587
88@:0@:usignumcongruentiae@} [174]]
@{char@:16th Mensural Flag (up)@:127@:0@:3.78004@:18.90001@:0.63004@:3.78004@:0
@:mensuralu04@} [127]
@{char@:Petrucci minima head@:88@:0@:4.01665@:2.78934@:2.78934@:2.00833@:1.6199
3@:s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:4.01665@:2.78934@:2.78934@:2.00833@:1.
61993@:s2petrucci@} [89]
@{char@:16th Mensural Flag (up)@:128@:0@:3.78004@:15.75002@:0.63004@:3.78004@:0
@:mensuralu14@} [128]
@{char@:signum congruentiae down@:175@:3.58788@:3.58788@:13.04877@:1.30269@:3.5
8788@:0@:dsignumcongruentiae@} [175]
@{char@:Petrucci colored semibrevis head@:90@:0@:4.01665@:2.78934@:2.78934@:2.0
0833@:1.61993@:s0blackpetrucci@} [90]
@{char@:Petrucci colored minima head@:91@:0@:4.01665@:2.78934@:2.78934@:2.00833
@:1.61993@:s1blackpetrucci@} [91]
@{char@:Kievan end of piece (slash)@:176@:0@:8.97995@:11.72002@:16.3425@:8.9799
5@:0@:barline.kievan@} [176
@{char@:16th Mensural Flag (up)@:129@:0@:3.78004@:17.32501@:0.63004@:3.78004@:0
@:mensuralu24@} [129]]
@{puorg@:scripts@}
)
@{char@:Petrucci colored semiminima head@:92@:0@:4.01665@:2.78934@:2.78934@:2.0
0833@:1.61993@:s2blackpetrucci@} [92 (parmesan-dots.mf]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.69714@:0.84857@:0.84857@:1.69714@:0@:dotvatican
a@} [177]
@{char@:16th Mensural Flag (down)@:130@:3.78004@:0@:0.63004@:18.90001@:0@:0@:me
nsurald04@} [130]
@{char@:Kievan augmentation dot@:178@:0@:5.09143@:2.54572@:2.54572@:5.09143@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@})( echo ./out/parmesan-noteheads18.tfm:  > out/parmesan-noteheads18.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan-noteheads18.mf;" 

@{char@:16th Mensural Flag (down)@:131@:3.78004@:0@:0.63004@:15.75002@:0@:0@:me
nsurald14@} [131
@{char@:Ed. Vat. punctum@:93@:0@:2.00987@:1.21114@:1.31073@:2.00987@:0@:svatica
na.punctum@} [93]] )
(some charht values had to be adjusted by as much as 0.70157pt)
(some chardp values had to be adjusted by as much as 0.70157pt)
Font metrics written on parmesan23.tfm.
Output written on parmesan23.600gf (146 characters, 50948 bytes).
Transcript written on parmesan23.log.

@{char@:16th Mensural Flag (down)@:132@:3.78004@:0@:0.63004@:17.32501@:0@:0@:me
nsurald24@} [132]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.00987@:1.21114@:1.31073@:2.00987@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:32th Mensural Flag (up)@:133@:0@:3.78004@:25.20001@:0.63004@:3.78004@:0
@:mensuralu05@} [133]
@{char@:Ed. Vat. linea punctum@:95@:0@:3.23682@:1.39467@:1.39467@:3.23682@:0@:s
vaticana.linea.punctum@} [95]
@{char@:32th Mensural Flag (up)@:134@:0@:3.78004@:22.05002@:0.63004@:3.78004@:0
@:mensuralu15@} [134]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:3.23682@:1.39467@:1.39467@:3.23682
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:32th Mensural Flag (up)@:135@:0@:3.78004@:23.62502@:0.63004@:3.78004@:0
@:mensuralu25@} [135]
@{char@:32th Mensural Flag (down)@:136@:3.78004@:0@:0.63004@:25.20001@:0@:0@:me
nsurald05@} [136]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.23216@:1.59392@:1.59392@:1.11609@:0.69438
@:svaticana.inclinatum@} [97]
@{char@:32th Mensural Flag (down)@:137@:3.78004@:0@:0.63004@:22.05002@:0@:0@:me
nsurald15@} [137]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.00987@:1.19118@:1.17126@:2.00987@:
0@:svaticana.lpes@} [98]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.00987@:1.6295@:0.73294@:2.0098
7@:0@:svaticana.vlpes@} [99]
@{char@:32th Mensural Flag (down)@:138@:3.78004@:0@:0.63004@:23.62502@:0@:0@:me
nsurald25@} [138]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.00987@:1.17128@:1.19116@:2.00987@
:0@:svaticana.upes@} [100]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.00987@:0.8525@:1.50995@:2.009
87@:0@:svaticana.vupes@} [101]
@{char@:64th Mensural Flag (up)@:139@:0@:3.78004@:31.50002@:0.63004@:3.78004@:0
@:mensuralu06@} [139]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Ed. Vat. plica@:102@:0@:1.20593@:0.81664@:0.8764@:1.20593@:0@:svaticana
.plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:1.20593@:1.10953@:0.75085@:1.20593@:0@:svat
icana.vplica@} [103]
@{char@:64th Mensural Flag (up)@:140@:0@:3.78004@:28.35002@:0.63004@:3.78004@:0
@:mensuralu16@} [140]
@{char@:Ed. Vat. epiphonus@:104@:0@:2.00987@:1.39044@:1.41037@:2.00987@:0@:svat
icana.epiphonus@} [104]mv parmesan23.log parmesan23.tfm ./out

@{char@:Ed. Vat. var epiphonus@:105@:0@:2.00987@:1.82877@:0.97205@:2.00987@:0@:
svaticana.vepiphonus@} [105]
@{char@:64th Mensural Flag (up)@:141@:0@:3.78004@:29.92502@:0.63004@:3.78004@:0
@:mensuralu26@} [141]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.20593@:0.8764@:0.81664@:1.20593@:0@:svat
icana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.20593@:1.27686@:0.58353@:1.20593@:0@
:svaticana.reverse.vplica@} [107]
@{char@:64th Mensural Flag (down)@:142@:3.78004@:0@:0.63004@:31.50002@:0@:0@:me
nsurald06@} [142]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.00987@:1.41039@:1.39043@:2.00987@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:64th Mensural Flag (down)@:143@:3.78004@:0@:0.63004@:28.35002@:0@:0@:me
nsurald16@} [143
@{char@:Ed. Vat. cephalicus@:109@:0@:2.00987@:4.60815@:1.39043@:2.00987@:0@:sva
ticana.cephalicus@} [109]]
@{char@:Ed. Vat. quilisma@:110@:0@:2.00987@:1.11574@:1.43452@:2.00987@:0@:svati
cana.quilisma@} [110]
@{char@:64th Mensural Flag (down)@:144@:3.78004@:0@:0.63004@:29.92502@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
(parmesan-noteheads16.mf (parmesan-timesignatures.mf
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.3951@:0.9962@:0.9962@:0.6
9756@:0.09666@:ssolesmes.incl.parvum@} [111]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural44@} [145]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.00987@:1.25096@:2.1874@:2.
00987@:0@:ssolesmes.auct.asc@} [112]
@{char@:Mensural 2/2 meter@:146@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural22@} [146]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.00987@:2.18741@:1.25095@:
2.00987@:0@:ssolesmes.auct.desc@} [113]
@{char@:Mensural 3/2 meter@:147@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural32@} [147]
@{char@:Mensural 6/4 meter@:148@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural64@} [148]
@{char@:Mensural 9/4 meter@:149@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural94@} [149]
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.23216@:1.59392@:1.59392@:1.116
09@:0.69438@:ssolesmes.incl.auctum@} [114]
@{char@:Mensural 3/4 meter@:150@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural34@} [150]
@{char@:Mensural 6/8 meter@:151@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural68@} [151]
@{char@:Solesmes stropha@:115@:0@:2.23216@:1.59392@:1.59392@:1.11609@:0.69438@:
ssolesmes.stropha@} [115]
@{char@:Mensural 9/8 meter@:152@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural98@} [152]
@{char@:Mensural 4/8 meter@:153@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural48@} [153]
@{char@:Solesmes stropha aucta@:116@:0@:2.23216@:1.59392@:1.59392@:1.11609@:0.6
9438@:ssolesmes.stropha.aucta@} [116]
@{char@:Mensural 6/8 meter@:154@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural68alt@} [154]
@{char@:Solesmes oriscus@:117@:0@:2.39272@:1.19545@:1.19545@:2.39272@:0@:ssoles
mes.oriscus@} [117]
@{char@:Mensural 2/4 meter@:155@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural24@} [155]
@{char@:Mensural 4/4 meter@:156@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural44@} [156
@{char@:Ed. Med. inclinatum@:118@:0@:2.97029@:2.121@:2.121@:1.48515@:1.22147@:s
medicaea.inclinatum@} [118]]
@{char@:Ed. Med. punctum@:119@:0@:2.82796@:1.7675@:1.7675@:2.82796@:0@:smedicae
a.punctum@} [119]
@{char@:Mensural 2/2 meter@:157@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural22@} [157]
@{char@:Ed. Med. reverse virga@:120@:0@:2.82796@:1.7675@:8.83751@:2.82796@:0@:s
medicaea.rvirga@} [120]
@{char@:Ed. Med. virga@:121@:0@:2.82796@:8.83751@:1.7675@:2.82796@:0@:smedicaea
.virga@} [121]
@{char@:Mensural 3/2 meter@:158@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural32@} [158] (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Mensural 6/4 meter@:159@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural64@} [159]
@{char@:Hufnagel punctum@:122@:0@:5.04851@:1.7675@:1.7675@:2.52426@:0.86797@:sh
ufnagel.punctum@} [122] (parmesan-noteheads-generic.mf
@{char@:Mensural 9/4 meter@:160@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural94@} [160] (feta-macros.mf
@{char@:Mensural 3/4 meter@:161@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural34@} [161]) (feta-params.mf)
@{char@:Mensural 6/8 meter@:162@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural68@} [162]
(parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:15.87@:parmesanMusic@}
(parmesan-noteheads.mf
@{char@:Hufnagel virga@:123@:0@:5.04851@:5.3025@:1.7675@:5.04851@:0@:shufnagel.
virga@} [123
@{char@:Mensural 9/8 meter@:163@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural98@} [163]]
@{char@:Hufnagel pes lower punctum@:124@:0@:7.07@:1.23724@:1.23724@:7.07@:0@:sh
ufnagel.lpes@} [124
@{char@:Mensural 4/8 meter@:164@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural48@} [164]]
@{char@:Kievan final note@:125@:0@:4.40297@:5.3025@:5.3025@:4.40297@:0@:sM2kiev
an@} [125]
@{char@:Kievan recitative mark@:126@:0@:19.53723@:3.08524@:3.08524@:19.53723@:0
@:sM1kievan@} [126
@{char@:Mensural 6/8 meter@:165@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural68alt@} [165]]
@{char@:Kievan whole note@:127@:0@:3.535@:3.535@:3.535@:3.535@:0@:s0kievan@}
[127]
@{char@:Mensural 2/4 meter@:166@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural24@} [166]
@{puorg@:timesig@}
)
@{char@:Kievan quarter note down@:128@:0@:3.60571@:8.83751@:1.41399@:3.60571@:0
@:d2kievan@} [128]
@{char@:Kievan quarter note up@:129@:0@:3.60571@:1.41399@:9.19102@:3.60571@:0@:
u2kievan@} [129
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:10.31552@:2.21606@:2.21606@:1
0.31552@:0@:uM3neomensural@} [33] (parmesan-scripts.mf]
@{group@:scripts@}
@{char@:ictus@:167@:0.27234@:0.27234@:1.10252@:1.10252@:0.27234@:0@:ictus@}
[167]
@{char@:Kievan half note (line position)@:130@:0@:3.7471@:5.65602@:3.535@:3.747
1@:0@:s1kievan@} [130rm -f parmesan23.*gf  parmesan23.*pk
]
@{char@:accentus up@:168@:0.7875@:0.7875@:1.10252@:1.10252@:0.7875@:0@:uaccentu
s@} [168]
@{char@:Kievan half note (space position)@:131@:0@:3.88852@:3.535@:4.94899@:3.8
8852@:0@:sr1kievan@} [131]
@{char@:accentus down@:169@:0.7875@:0.7875@:1.10252@:1.10252@:0.7875@:0@:daccen
tus@} [169]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:10.31552@:2.21606@:2.21606@
:10.31552@:0@:dM3neomensural@} [34]
@{char@:half circle@:170@:0.98438@:0.98438@:0@:0.98438@:0.98438@:0@:usemicircul
us@} [170( echo ./out/parmesan-noteheads20.tfm:  > out/parmesan-noteheads20.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan-noteheads20.mf;" 
]
@{char@:Kievan eighth note (down)@:132@:0@:4.41876@:10.60501@:1.7675@:4.41876@:
0@:d3kievan@} [132]
@{char@:half circle@:171@:0.98438@:0.98438@:0.98438@:0@:0.98438@:0@:dsemicircul
us@} [171]
@{char@:circle@:172@:0.98438@:0.98438@:0.98438@:0.98438@:0.98438@:0@:circulus@}
[172]
@{char@:Kievan eighth note (up)@:133@:0@:3.535@:1.41399@:10.2515@:3.535@:0@:u3k
ievan@} [133]
@{char@:augmentum@:173@:0.7875@:0.7875@:0.7875@:0.7875@:0.7875@:0@:augmentum@}
[173
@{char@:Neo-mensural longa notehead (up)@:35@:0@:7.935@:2.21606@:2.21606@:7.935
@:0@:uM2neomensural@} [35]
@{puorg@:noteheads@}
)]
@{tnof@})
@{char@:signum congruentiae up@:174@:3.96701@:3.96701@:1.36166@:14.50633@:3.967
01@:0@:usignumcongruentiae@} [174]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:7.935@:2.21606@:2.21606@:7.9
35@:0@:dM2neomensural@} [36]
@{char@:Neo-mensural brevis notehead@:37@:0@:7.935@:2.21606@:2.21606@:7.935@:0@
:sM1neomensural@} [37] )
(some charht values had to be adjusted by as much as 0.0975pt)
(some chardp values had to be adjusted by as much as 0.08978pt)
Font metrics written on parmesan-noteheads14.tfm.
Output written on parmesan-noteheads14.600gf (101 characters, 17040 bytes).
Transcript written on parmesan-noteheads14.log.

@{char@:signum congruentiae down@:175@:3.96701@:3.96701@:14.50633@:1.36166@:3.9
6701@:0@:dsignumcongruentiae@} [175]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:10.31552@:2.216
06@:2.21606@:10.31552@:0@:urM3neomensural@} [38
@{char@:Kievan end of piece (slash)@:176@:0@:10.07994@:13.11743@:18.38258@:10.0
7994@:0@:barline.kievan@} [176]]
@{puorg@:scripts@}
) (parmesan-dots.mf
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.91844@:0.95923@:0.95923@:1.91844@:0@:dotvatican
a@} [177]
@{char@:Kievan augmentation dot@:178@:0@:5.75534@:2.87767@:2.87767@:5.75534@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@})
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:10.31552@:2.2
1606@:2.21606@:10.31552@:0@:drM3neomensural@} [39]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:7.935@:2.21606@:
2.21606@:7.935@:0@:urM2neomensural@} [40] )
(some charht values had to be adjusted by as much as 0.7875pt)
(some chardp values had to be adjusted by as much as 0.7875pt)
Font metrics written on parmesan26.tfm.
Output written on parmesan26.600gf (146 characters, 56848 bytes).
Transcript written on parmesan26.log.

@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:7.935@:2.21606
@:2.21606@:7.935@:0@:drM2neomensural@} [41]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:7.935@:2.21606@:2.2
1606@:7.935@:0@:srM1neomensural@} [42]
@{char@:Neo-mensural semibrevis head@:43@:0@:3.9675@:2.21606@:2.21606@:1.98375@
:1.00806@:s0neomensural@} [43]
@{char@:Neo-mensural minima head@:44@:0@:3.9675@:2.21606@:2.21606@:1.98375@:1.0
0806@:s1neomensural@} [44]
@{char@:Neo-mensural semiminima head@:45@:0@:3.9675@:2.21606@:2.21606@:1.98375@
:1.00806@:s2neomensural@} [45]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:5.15776@:2.88089@:2.88089
@:5.15776@:0@:s0harmonic@} [46]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:5.15776@:2.88089@:2.8808
9@:5.15776@:0@:s2harmonic@} [47]mv parmesan26.log parmesan26.tfm ./out

@{char@:Mensural maxima notehead (up)@:48@:0@:7.935@:2.21606@:2.21606@:7.935@:0
@:uM3mensural@} [48]
@{char@:Mensural maxima notehead (down)@:49@:0@:7.935@:2.21606@:2.21606@:7.935@
:0@:dM3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:7.935@:2.21606@:2.21606@:7.
935@:0@:sM3ligmensural@} [50]
@{char@:Mensural longa notehead (up)@:51@:0@:3.9675@:2.21606@:2.21606@:3.9675@:
0@:uM2mensural@} [51]
@{char@:Mensural longa notehead (down)@:52@:0@:3.9675@:2.21606@:2.21606@:3.9675
@:0@:dM2mensural@} [52]
@{char@:Mensural longa notehead (ligature)@:53@:0@:3.9675@:2.21606@:2.21606@:3.
9675@:0@:sM2ligmensural@} [53]
@{char@:Mensural brevis notehead@:54@:0@:3.9675@:2.21606@:2.21606@:3.9675@:0@:s
M1mensural@} [54]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:7.935@:2.21606@:2.2
1606@:7.935@:0@:urM3mensural@} [55]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:7.935@:2.21606@:2
.21606@:7.935@:0@:drM3mensural@} [56]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:7.935@:2.2160
6@:2.21606@:7.935@:0@:srM3ligmensural@} [57]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:3.9675@:2.21606@:2.2
1606@:3.9675@:0@:urM2mensural@} [58]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:3.9675@:2.21606@:2
.21606@:3.9675@:0@:drM2mensural@} [59]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:3.9675@:2.2160
6@:2.21606@:3.9675@:0@:srM2ligmensural@} [60]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:3.9675@:2.21606@:2.2160
6@:3.9675@:0@:srM1mensural@} [61]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:7.935@:2.21606@:2.21
606@:7.935@:0@:uM3semimensural@} [62]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:7.935@:2.21606@:2.
21606@:7.935@:0@:dM3semimensural@} [63]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:7.935@:2.21606
@:2.21606@:7.935@:0@:sM3semiligmensural@} [64]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:3.9675@:2.21606@:2.21
606@:3.9675@:0@:uM2semimensural@} [65]rm -f parmesan26.*gf  parmesan26.*pk
mv parmesan-noteheads14.log parmesan-noteheads14.tfm ./out

@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:3.9675@:2.21606@:2.
21606@:3.9675@:0@:dM2semimensural@} [66]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:3.9675@:2.21606
@:2.21606@:3.9675@:0@:sM2semiligmensural@} [67]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:3.9675@:2.21606@:2.21606@
:3.9675@:0@:sM1semimensural@} [68]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:7.935@
:2.21606@:2.21606@:7.935@:0@:urM3semimensural@} [69]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:7.93
5@:2.21606@:2.21606@:7.935@:0@:drM3semimensural@} [70]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
7.935@:2.21606@:2.21606@:7.935@:0@:srM3semiligmensural@} [71]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:3.9675@
:2.21606@:2.21606@:3.9675@:0@:urM2semimensural@} [72]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:3.967
5@:2.21606@:2.21606@:3.9675@:0@:drM2semimensural@} [73]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:3
.9675@:2.21606@:2.21606@:3.9675@:0@:srM2semiligmensural@} [74]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:3.9675@:2.
21606@:2.21606@:3.9675@:0@:srM1semimensural@} [75]
@{char@:Black mensural maxima notehead (up)@:76@:0@:7.935@:2.21606@:2.21606@:7.
935@:0@:uM3blackmensural@} [76]
@{char@:Black mensural maxima notehead (down)@:77@:0@:7.935@:2.21606@:2.21606@:
7.935@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:7.935@:2.21606@:2.216
06@:7.935@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:3.9675@:2.21606@:2.21606@:3.
9675@:0@:uM2blackmensural@} [79]
@{char@:Black mensural longa notehead (down)@:80@:0@:3.9675@:2.21606@:2.21606@:
3.9675@:0@:dM2blackmensural@} [80]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:3.9675@:2.21606@:2.216
06@:3.9675@:0@:sM2blackligmensural@} [81]
(parmesan-noteheads18.mf (feta-autometric.mf
@{char@:Black mensural brevis notehead@:82@:0@:3.9675@:2.21606@:2.21606@:3.9675
@:0@:sM1blackmensural@} [82]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-noteheads-generic.mf (feta-macros.mf) (feta-params.mf
@{char@:Mensural semibrevis head@:83@:0@:2.29062@:1.98375@:1.98375@:1.14531@:1.
05452@:s0mensural@} [83])
(parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:17.82@:parmesanMusic@}
(parmesan-noteheads.mf
@{char@:Mensural minima head@:84@:0@:2.29062@:1.98375@:1.98375@:1.14531@:1.0545
2@:s1mensural@} [84]
@{char@:Mensural semiminima head@:85@:0@:2.29062@:1.98375@:1.98375@:1.14531@:1.
05452@:s2mensural@} [85]
@{char@:Black mensural semibrevis head@:86@:0@:2.29062@:1.98375@:1.98375@:1.145
31@:1.05452@:s0blackmensural@} [86]
@{char@:Petrucci semibrevis head@:87@:0@:4.46756@:3.10246@:3.10246@:2.23378@:1.
89445@:s0petrucci@} [87]
@{char@:Petrucci minima head@:88@:0@:4.46756@:3.10246@:3.10246@:2.23378@:1.8944
5@:s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:4.46756@:3.10246@:3.10246@:2.23378@:1.
89445@:s2petrucci@} [89]
@{char@:Petrucci colored semibrevis head@:90@:0@:4.46756@:3.10246@:3.10246@:2.2
3378@:1.89445@:s0blackpetrucci@} [90]
@{char@:Petrucci colored minima head@:91@:0@:4.46756@:3.10246@:3.10246@:2.23378
@:1.89445@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:4.46756@:3.10246@:3.10246@:2.2
3378@:1.89445@:s2blackpetrucci@} [92]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:11.58304@:2.46817@:2.46817@:1
1.58304@:0@:uM3neomensural@} [33]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:11.58304@:2.46817@:2.46817@
:11.58304@:0@:dM3neomensural@} [34]
@{char@:Ed. Vat. punctum@:93@:0@:2.2355@:1.32927@:1.44008@:2.2355@:0@:svaticana
.punctum@} [93]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.2355@:1.32927@:1.44008@:2.2355@:0@:sva
ticana.punctum.cavum@} [94]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:8.91@:2.46817@:2.46817@:8.91@:
0@:uM2neomensural@} [35]
@{char@:Ed. Vat. linea punctum@:95@:0@:3.5788@:1.55124@:1.55124@:3.5788@:0@:sva
ticana.linea.punctum@} [95]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:8.91@:2.46817@:2.46817@:8.91
@:0@:dM2neomensural@} [36]
@{char@:Neo-mensural brevis notehead@:37@:0@:8.91@:2.46817@:2.46817@:8.91@:0@:s
M1neomensural@} [37]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:3.5788@:1.55124@:1.55124@:3.5788@:
0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:11.58304@:2.468
17@:2.46817@:11.58304@:0@:urM3neomensural@} [38]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:11.58304@:2.4
6817@:2.46817@:11.58304@:0@:drM3neomensural@} [39]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Ed. Vat. inclinatum@:97@:0@:2.48274@:1.77286@:1.77286@:1.24138@:0.84363
@:svaticana.inclinatum@} [97]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:8.91@:2.46817@:2
.46817@:8.91@:0@:urM2neomensural@} [40]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.2355@:1.30708@:1.28494@:2.2355@:0@
:svaticana.lpes@} [98]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:8.91@:2.46817@
:2.46817@:8.91@:0@:drM2neomensural@} [41]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.2355@:1.79462@:0.79741@:2.2355
@:0@:svaticana.vlpes@} [99]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:8.91@:2.46817@:2.46
817@:8.91@:0@:srM1neomensural@} [42]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.2355@:1.28494@:1.30708@:2.2355@:0
@:svaticana.upes@} [100]
@{char@:Neo-mensural semibrevis head@:43@:0@:4.455@:2.46817@:2.46817@:2.22751@:
1.21667@:s0neomensural@} [43]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.2355@:0.93036@:1.66167@:2.235
5@:0@:svaticana.vupes@} [101]
@{char@:Neo-mensural minima head@:44@:0@:4.455@:2.46817@:2.46817@:2.22751@:1.21
667@:s1neomensural@} [44]
@{char@:Neo-mensural semiminima head@:45@:0@:4.455@:2.46817@:2.46817@:2.22751@:
1.21667@:s2neomensural@} [45]
@{char@:Ed. Vat. plica@:102@:0@:1.34132@:0.8905@:0.95699@:1.34132@:0@:svaticana
.plica@} [102]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:5.79152@:3.20863@:3.20863
@:5.79152@:0@:s0harmonic@} [46]
@{char@:Ed. Vat. var plica@:103@:0@:1.34132@:1.21626@:0.81735@:1.34132@:0@:svat
icana.vplica@} [103]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:5.79152@:3.20863@:3.2086
3@:5.79152@:0@:s2harmonic@} [47]
@{char@:Ed. Vat. epiphonus@:104@:0@:2.2355@:1.52873@:1.55089@:2.2355@:0@:svatic
ana.epiphonus@} [104]
(parmesan-noteheads20.mf
@{char@:Mensural maxima notehead (up)@:48@:0@:8.91@:2.46817@:2.46817@:8.91@:0@:
uM3mensural@} [48] (feta-autometric.mf
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.2355@:2.01627@:1.06335@:2.2355@:0@:sv
aticana.vepiphonus@} [105]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-noteheads-generic.mf
@{char@:Mensural maxima notehead (down)@:49@:0@:8.91@:2.46817@:2.46817@:8.91@:0
@:dM3mensural@} [49]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.34132@:0.95699@:0.8905@:1.34132@:0@:svat
icana.reverse.plica@} [106 (feta-macros.mf]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:8.91@:2.46817@:2.46817@:8.9
1@:0@:sM3ligmensural@} [50]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.34132@:1.4024@:0.63121@:1.34132@:0@:
svaticana.reverse.vplica@} [107]) (feta-params.mf
@{char@:Mensural longa notehead (up)@:51@:0@:4.455@:2.46817@:2.46817@:4.455@:0@
:uM2mensural@} [51]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.2355@:1.55089@:1.52873@:2.2355@:0@
:svaticana.inner.cephalicus@} [108])
@{char@:Mensural longa notehead (down)@:52@:0@:4.455@:2.46817@:2.46817@:4.455@:
0@:dM2mensural@} [52
(parmesan-macros.mf])
@{font@:GNU@:LilyPond@:parmesan@:20@:parmesanMusic@}
(parmesan-noteheads.mf
@{char@:Ed. Vat. cephalicus@:109@:0@:2.2355@:5.10767@:1.52873@:2.2355@:0@:svati
cana.cephalicus@} [109]
@{char@:Mensural longa notehead (ligature)@:53@:0@:4.455@:2.46817@:2.46817@:4.4
55@:0@:sM2ligmensural@} [53]
@{char@:Mensural brevis notehead@:54@:0@:4.455@:2.46817@:2.46817@:4.455@:0@:sM1
mensural@} [54]
@{char@:Ed. Vat. quilisma@:110@:0@:2.2355@:1.24098@:1.59557@:2.2355@:0@:svatica
na.quilisma@} [110]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:8.91@:2.46817@:2.46
817@:8.91@:0@:urM3mensural@} [55]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:8.91@:2.46817@:2.
46817@:8.91@:0@:drM3mensural@} [56]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:8.91@:2.46817
@:2.46817@:8.91@:0@:srM3ligmensural@} [57]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.55171@:1.10803@:1.10803@:
0.77586@:0.1788@:ssolesmes.incl.parvum@} [111]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:13.00003@:2.75003@:2.75003@:1
3.00003@:0@:uM3neomensural@} [33]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:4.455@:2.46817@:2.46
817@:4.455@:0@:urM2mensural@} [58]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.2355@:1.37358@:2.41515@:2.
2355@:0@:ssolesmes.auct.asc@} [112]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:4.455@:2.46817@:2.
46817@:4.455@:0@:drM2mensural@} [59]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.2355@:2.41515@:1.37358@:2
.2355@:0@:ssolesmes.auct.desc@} [113]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:13.00003@:2.75003@:2.75003@
:13.00003@:0@:dM3neomensural@} [34]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:4.455@:2.46817
@:2.46817@:4.455@:0@:srM2ligmensural@} [60]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:4.455@:2.46817@:2.46817
@:4.455@:0@:srM1mensural@} [61]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:10@:2.75003@:2.75003@:10@:0@:u
M2neomensural@} [35]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:8.91@:2.46817@:2.468
17@:8.91@:0@:uM3semimensural@} [62]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:8.91@:2.46817@:2.4
6817@:8.91@:0@:dM3semimensural@} [63
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.48274@:1.77286@:1.77286@:1.241
38@:0.84363@:ssolesmes.incl.auctum@} [114]]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:10@:2.75003@:2.75003@:10@:0@
:dM2neomensural@} [36]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:8.91@:2.46817@
:2.46817@:8.91@:0@:sM3semiligmensural@} [64]
@{char@:Neo-mensural brevis notehead@:37@:0@:10@:2.75003@:2.75003@:10@:0@:sM1ne
omensural@} [37]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:4.455@:2.46817@:2.468
17@:4.455@:0@:uM2semimensural@} [65]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:4.455@:2.46817@:2.4
6817@:4.455@:0@:dM2semimensural@} [66]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:13.00003@:2.750
03@:2.75003@:13.00003@:0@:urM3neomensural@} [38]
@{char@:Solesmes stropha@:115@:0@:2.48274@:1.77286@:1.77286@:1.24138@:0.84363@:
ssolesmes.stropha@} [115]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:4.455@:2.46817@
:2.46817@:4.455@:0@:sM2semiligmensural@} [67]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:4.455@:2.46817@:2.46817@:
4.455@:0@:sM1semimensural@} [68]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:13.00003@:2.7
5003@:2.75003@:13.00003@:0@:drM3neomensural@} [39]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:8.91@:
2.46817@:2.46817@:8.91@:0@:urM3semimensural@} [69]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:8.91
@:2.46817@:2.46817@:8.91@:0@:drM3semimensural@} [70]
@{char@:Solesmes stropha aucta@:116@:0@:2.48274@:1.77286@:1.77286@:1.24138@:0.8
4363@:ssolesmes.stropha.aucta@} [116]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
8.91@:2.46817@:2.46817@:8.91@:0@:srM3semiligmensural@} [71
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:10@:2.75003@:2.7
5003@:10@:0@:urM2neomensural@} [40]]
@{char@:Solesmes oriscus@:117@:0@:2.66133@:1.32965@:1.32965@:2.66133@:0@:ssoles
mes.oriscus@} [117]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:4.455@:
2.46817@:2.46817@:4.455@:0@:urM2semimensural@} [72]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:10@:2.75003@:2
.75003@:10@:0@:drM2neomensural@} [41
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:4.455
@:2.46817@:2.46817@:4.455@:0@:drM2semimensural@} [73]]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:10@:2.75003@:2.7500
3@:10@:0@:srM1neomensural@} [42]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:4
.455@:2.46817@:2.46817@:4.455@:0@:srM2semiligmensural@} [74]
@{char@:Ed. Med. inclinatum@:118@:0@:3.3337@:2.3805@:2.3805@:1.66685@:1.45126@:
smedicaea.inclinatum@} [118]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:4.455@:2.4
6817@:2.46817@:4.455@:0@:srM1semimensural@} [75
@{char@:Neo-mensural semibrevis head@:43@:0@:5@:2.75003@:2.75003@:2.5@:1.44992@
:s0neomensural@} [43]]
@{char@:Ed. Med. punctum@:119@:0@:3.17395@:1.98375@:1.98375@:3.17395@:0@:smedic
aea.punctum@} [119]
@{char@:Black mensural maxima notehead (up)@:76@:0@:8.91@:2.46817@:2.46817@:8.9
1@:0@:uM3blackmensural@} [76
@{char@:Ed. Med. reverse virga@:120@:0@:3.17395@:1.98375@:9.91875@:3.17395@:0@:
smedicaea.rvirga@} [120]]
@{char@:Neo-mensural minima head@:44@:0@:5@:2.75003@:2.75003@:2.5@:1.44992@:s1n
eomensural@} [44]
@{char@:Ed. Med. virga@:121@:0@:3.17395@:9.91875@:1.98375@:3.17395@:0@:smedicae
a.virga@} [121]
@{char@:Neo-mensural semiminima head@:45@:0@:5@:2.75003@:2.75003@:2.5@:1.44992@
:s2neomensural@} [45]
@{char@:Black mensural maxima notehead (down)@:77@:0@:8.91@:2.46817@:2.46817@:8
.91@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:8.91@:2.46817@:2.4681
7@:8.91@:0@:sM3blackligmensural@} [78]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:6.50002@:3.57504@:3.57504
@:6.50002@:0@:s0harmonic@} [46]
@{char@:Black mensural longa notehead (up)@:79@:0@:4.455@:2.46817@:2.46817@:4.4
55@:0@:uM2blackmensural@} [79]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:6.50002@:3.57504@:3.5750
4@:6.50002@:0@:s2harmonic@} [47]
@{char@:Black mensural longa notehead (down)@:80@:0@:4.455@:2.46817@:2.46817@:4
.455@:0@:dM2blackmensural@} [80]
@{char@:Hufnagel punctum@:122@:0@:5.66617@:1.98375@:1.98375@:2.83308@:1.05452@:
shufnagel.punctum@} [122]
@{char@:Mensural maxima notehead (up)@:48@:0@:10@:2.75003@:2.75003@:10@:0@:uM3m
ensural@} [48]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:4.455@:2.46817@:2.4681
7@:4.455@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:4.455@:2.46817@:2.46817@:4.455@:
0@:sM1blackmensural@} [82]
@{char@:Mensural maxima notehead (down)@:49@:0@:10@:2.75003@:2.75003@:10@:0@:dM
3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:10@:2.75003@:2.75003@:10@:0
@:sM3ligmensural@} [50]
@{char@:Mensural longa notehead (up)@:51@:0@:5@:2.75003@:2.75003@:5@:0@:uM2mens
ural@} [51]
@{char@:Mensural longa notehead (down)@:52@:0@:5@:2.75003@:2.75003@:5@:0@:dM2me
nsural@} [52]
@{char@:Mensural semibrevis head@:83@:0@:2.57208@:2.22751@:2.22751@:1.28604@:1.
26483@:s0mensural@} [83]
@{char@:Mensural longa notehead (ligature)@:53@:0@:5@:2.75003@:2.75003@:5@:0@:s
M2ligmensural@} [53]
@{char@:Hufnagel virga@:123@:0@:5.66617@:5.95125@:1.98375@:5.66617@:0@:shufnage
l.virga@} [123]
@{char@:Mensural brevis notehead@:54@:0@:5@:2.75003@:2.75003@:5@:0@:sM1mensural
@} [54]
@{char@:Hufnagel pes lower punctum@:124@:0@:7.935@:1.38863@:1.38863@:7.935@:0@:
shufnagel.lpes@} [124]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:10@:2.75003@:2.7500
3@:10@:0@:urM3mensural@} [55]
@{char@:Kievan final note@:125@:0@:5.02202@:5.95125@:5.95125@:5.02202@:0@:sM2ki
evan@} [125]
@{char@:Mensural minima head@:84@:0@:2.57208@:2.22751@:2.22751@:1.28604@:1.2648
3@:s1mensural@} [84]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:10@:2.75003@:2.75
003@:10@:0@:drM3mensural@} [56]
@{char@:Kievan recitative mark@:126@:0@:21.44537@:3.50288@:3.50288@:21.44537@:0
@:sM1kievan@} [126]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:10@:2.75003@:
2.75003@:10@:0@:srM3ligmensural@} [57]
@{char@:Kievan whole note@:127@:0@:3.9675@:3.9675@:3.9675@:3.9675@:0@:s0kievan@
} [127]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:5@:2.75003@:2.75003@
:5@:0@:urM2mensural@} [58]
@{char@:Kievan quarter note down@:128@:0@:4.04686@:9.91875@:1.58698@:4.04686@:0
@:d2kievan@} [128]
@{char@:Mensural semiminima head@:85@:0@:2.57208@:2.22751@:2.22751@:1.28604@:1.
26483@:s2mensural@} [85]
@{char@:Kievan quarter note up@:129@:0@:4.04686@:1.58698@:10.31552@:4.04686@:0@
:u2kievan@} [129]rm -f parmesan-noteheads14.*gf  parmesan-noteheads14.*pk

@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:5@:2.75003@:2.7500
3@:5@:0@:drM2mensural@} [59]
@{char@:Kievan half note (line position)@:130@:0@:4.20554@:6.34802@:3.9675@:4.2
0554@:0@:s1kievan@} [130]( echo ./out/parmesan-noteheads23.tfm:  > out/parmesan-noteheads23.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan-noteheads23.mf;" 

@{char@:Kievan half note (space position)@:131@:0@:4.36427@:3.9675@:5.55447@:4.
36427@:0@:sr1kievan@} [131]
@{char@:Black mensural semibrevis head@:86@:0@:2.57208@:2.22751@:2.22751@:1.286
04@:1.26483@:s0blackmensural@} [86]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:5@:2.75003@:2.
75003@:5@:0@:srM2ligmensural@} [60]
@{char@:Kievan eighth note (down)@:132@:0@:4.95938@:11.9025@:1.98375@:4.95938@:
0@:d3kievan@} [132]
@{char@:Petrucci semibrevis head@:87@:0@:4.97581@:3.45543@:3.45543@:2.48792@:2.
20393@:s0petrucci@} [87]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:5@:2.75003@:2.75003@:5@
:0@:srM1mensural@} [61]
@{char@:Kievan eighth note (up)@:133@:0@:3.9675@:1.58698@:11.50572@:3.9675@:0@:
u3kievan@} [133]
@{char@:Petrucci minima head@:88@:0@:4.97581@:3.45543@:3.45543@:2.48792@:2.2039
3@:s1petrucci@} [88]
@{puorg@:noteheads@}
)
@{tnof@})
@{char@:Petrucci semiminima head@:89@:0@:4.97581@:3.45543@:3.45543@:2.48792@:2.
20393@:s2petrucci@} [89]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:10@:2.75003@:2.75003
@:10@:0@:uM3semimensural@} [62]
@{char@:Petrucci colored semibrevis head@:90@:0@:4.97581@:3.45543@:3.45543@:2.4
8792@:2.20393@:s0blackpetrucci@} [90]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:10@:2.75003@:2.750
03@:10@:0@:dM3semimensural@} [63]
@{char@:Petrucci colored minima head@:91@:0@:4.97581@:3.45543@:3.45543@:2.48792
@:2.20393@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:4.97581@:3.45543@:3.45543@:2.4
8792@:2.20393@:s2blackpetrucci@} [92]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:10@:2.75003@:2
.75003@:10@:0@:sM3semiligmensural@} [64] )
(some charht values had to be adjusted by as much as 0.10876pt)
(some chardp values had to be adjusted by as much as 0.10876pt)
Font metrics written on parmesan-noteheads16.tfm.
Output written on parmesan-noteheads16.600gf (101 characters, 19240 bytes).
Transcript written on parmesan-noteheads16.log.

@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:5@:2.75003@:2.75003@:
5@:0@:uM2semimensural@} [65]
@{char@:Ed. Vat. punctum@:93@:0@:2.48982@:1.46243@:1.58583@:2.48982@:0@:svatica
na.punctum@} [93]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:5@:2.75003@:2.75003
@:5@:0@:dM2semimensural@} [66]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.48982@:1.46243@:1.58583@:2.48982@:0@:s
vaticana.punctum.cavum@} [94
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:5@:2.75003@:2.7
5003@:5@:0@:sM2semiligmensural@} [67]]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:5@:2.75003@:2.75003@:5@:0
@:sM1semimensural@} [68]
@{char@:Ed. Vat. linea punctum@:95@:0@:3.96425@:1.72772@:1.72772@:3.96425@:0@:s
vaticana.linea.punctum@} [95]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:10@:2.
75003@:2.75003@:10@:0@:urM3semimensural@} [69]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:10@:
2.75003@:2.75003@:10@:0@:drM3semimensural@} [70]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
10@:2.75003@:2.75003@:10@:0@:srM3semiligmensural@} [71]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:3.96425@:1.72772@:1.72772@:3.96425
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:5@:2.75
003@:2.75003@:5@:0@:urM2semimensural@} [72]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:5@:2.
75003@:2.75003@:5@:0@:drM2semimensural@} [73]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:5
@:2.75003@:2.75003@:5@:0@:srM2semiligmensural@} [74]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.76518@:1.97455@:1.97455@:1.3826@:1.01187@
:svaticana.inclinatum@} [97]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:5@:2.75003
@:2.75003@:5@:0@:srM1semimensural@} [75]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.48982@:1.43773@:1.41304@:2.48982@:
0@:svaticana.lpes@} [98]
@{char@:Black mensural maxima notehead (up)@:76@:0@:10@:2.75003@:2.75003@:10@:0
@:uM3blackmensural@} [76]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.48982@:1.98073@:0.87004@:2.489
82@:0@:svaticana.vlpes@} [99]
@{char@:Black mensural maxima notehead (down)@:77@:0@:10@:2.75003@:2.75003@:10@
:0@:dM3blackmensural@} [77]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.48982@:1.41306@:1.43771@:2.48982@
:0@:svaticana.upes@} [100]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:10@:2.75003@:2.75003@
:10@:0@:sM3blackligmensural@} [78]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.48982@:1.01814@:1.83263@:2.48
982@:0@:svaticana.vupes@} [101]
@{char@:Black mensural longa notehead (up)@:79@:0@:5@:2.75003@:2.75003@:5@:0@:u
M2blackmensural@} [79]
@{char@:Ed. Vat. plica@:102@:0@:1.49391@:0.97375@:1.04778@:1.49391@:0@:svatican
a.plica@} [102
@{char@:Black mensural longa notehead (down)@:80@:0@:5@:2.75003@:2.75003@:5@:0@
:dM2blackmensural@} [80]]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:5@:2.75003@:2.75003@:5
@:0@:sM2blackligmensural@} [81]
@{char@:Ed. Vat. var plica@:103@:0@:1.49391@:1.33658@:0.89226@:1.49391@:0@:svat
icana.vplica@} [103]
@{char@:Black mensural brevis notehead@:82@:0@:5@:2.75003@:2.75003@:5@:0@:sM1bl
ackmensural@} [82]
@{char@:Ed. Vat. epiphonus@:104@:0@:2.48982@:1.68457@:1.70924@:2.48982@:0@:svat
icana.epiphonus@} [104]
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.48982@:2.22757@:1.16624@:2.48982@:0@:
svaticana.vepiphonus@} [105]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.49391@:1.04779@:0.97374@:1.49391@:0@:sva
ticana.reverse.plica@} [106]
@{char@:Mensural semibrevis head@:83@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49991@:s
0mensural@} [83]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.49391@:1.54388@:0.68495@:1.49391@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.48982@:1.70926@:1.68456@:2.48982@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:Ed. Vat. cephalicus@:109@:0@:2.48982@:5.67068@:1.68456@:2.48982@:0@:sva
ticana.cephalicus@} [109]
@{char@:Mensural minima head@:84@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49991@:s1men
sural@} [84]mv parmesan-noteheads16.log parmesan-noteheads16.tfm ./out

@{char@:Ed. Vat. quilisma@:110@:0@:2.48982@:1.38217@:1.77708@:2.48982@:0@:svati
cana.quilisma@} [110]
@{char@:Mensural semiminima head@:85@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49991@:s
2mensural@} [85]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.72824@:1.23409@:1.23409@:
0.86412@:0.27141@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.48982@:1.5118@:2.67181@:2.
48982@:0@:ssolesmes.auct.asc@} [112]
@{char@:Black mensural semibrevis head@:86@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49
991@:s0blackmensural@} [86]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.48982@:2.67183@:1.51178@:
2.48982@:0@:ssolesmes.auct.desc@} [113]
@{char@:Petrucci semibrevis head@:87@:0@:5.54402@:3.85002@:3.85002@:2.77202@:2.
54991@:s0petrucci@} [87]
@{char@:Petrucci minima head@:88@:0@:5.54402@:3.85002@:3.85002@:2.77202@:2.5499
1@:s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:5.54402@:3.85002@:3.85002@:2.77202@:2.
54991@:s2petrucci@} [89]
@{char@:Petrucci colored semibrevis head@:90@:0@:5.54402@:3.85002@:3.85002@:2.7
7202@:2.54991@:s0blackpetrucci@} [90]
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.76518@:1.97455@:1.97455@:1.382
6@:1.01187@:ssolesmes.incl.auctum@} [114]
@{char@:Petrucci colored minima head@:91@:0@:5.54402@:3.85002@:3.85002@:2.77202
@:2.54991@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:5.54402@:3.85002@:3.85002@:2.7
7202@:2.54991@:s2blackpetrucci@} [92]
@{char@:Solesmes stropha@:115@:0@:2.76518@:1.97455@:1.97455@:1.3826@:1.01187@:s
solesmes.stropha@} [115]
@{char@:Ed. Vat. punctum@:93@:0@:2.77415@:1.6113@:1.74881@:2.77415@:0@:svatican
a.punctum@} [93]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.77415@:1.6113@:1.74881@:2.77415@:0@:sv
aticana.punctum.cavum@} [94]
@{char@:Ed. Vat. linea punctum@:95@:0@:4.39519@:1.92502@:1.92502@:4.39519@:0@:s
vaticana.linea.punctum@} [95]
@{char@:Solesmes stropha aucta@:116@:0@:2.76518@:1.97455@:1.97455@:1.3826@:1.01
187@:ssolesmes.stropha.aucta@} [116]
@{char@:Solesmes oriscus@:117@:0@:2.9641@:1.48091@:1.48091@:2.9641@:0@:ssolesme
s.oriscus@} [117]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:4.39519@:1.92502@:1.92502@:4.39519
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Ed. Med. inclinatum@:118@:0@:3.74332@:2.673@:2.673@:1.87166@:1.71033@:s
medicaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:3.56395@:2.22751@:2.22751@:3.56395@:0@:smedic
aea.punctum@} [119]
@{char@:Ed. Vat. inclinatum@:97@:0@:3.08096@:2.20003@:2.20003@:1.54048@:1.19994
@:svaticana.inclinatum@} [97
@{char@:Ed. Med. reverse virga@:120@:0@:3.56395@:2.22751@:11.13751@:3.56395@:0@
:smedicaea.rvirga@} [120]]
@{char@:Ed. Med. virga@:121@:0@:3.56395@:11.13751@:2.22751@:3.56395@:0@:smedica
ea.virga@} [121]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.77415@:1.58377@:1.55629@:2.77415@:
0@:svaticana.lpes@} [98]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.77415@:2.18878@:0.95128@:2.774
15@:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.77415@:1.55629@:1.58377@:2.77415@
:0@:svaticana.upes@} [100]
@{char@:Hufnagel punctum@:122@:0@:6.3624@:2.22751@:2.22751@:3.1812@:1.26483@:sh
ufnagel.punctum@} [122]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.77415@:1.11627@:2.02379@:2.77
415@:0@:svaticana.vupes@} [101]
@{char@:Ed. Vat. plica@:102@:0@:1.66452@:1.06682@:1.14929@:1.66452@:0@:svatican
a.plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:1.66452@:1.47107@:0.97603@:1.66452@:0@:svat
icana.vplica@} [103]
@{char@:Hufnagel virga@:123@:0@:6.3624@:6.68251@:2.22751@:6.3624@:0@:shufnagel.
virga@} [123
@{char@:Ed. Vat. epiphonus@:104@:0@:2.77415@:1.85881@:1.88632@:2.77415@:0@:svat
icana.epiphonus@} [104]]
@{char@:Hufnagel pes lower punctum@:124@:0@:8.91@:1.55925@:1.55925@:8.91@:0@:sh
ufnagel.lpes@} [124]
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.77415@:2.46382@:1.28131@:2.77415@:0@:
svaticana.vepiphonus@} [105]
@{char@:Kievan final note@:125@:0@:5.71983@:6.68251@:6.68251@:5.71983@:0@:sM2ki
evan@} [125]
@{char@:Kievan recitative mark@:126@:0@:23.59607@:3.97366@:3.97366@:23.59607@:0
@:sM1kievan@} [126]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.66452@:1.1493@:1.0668@:1.66452@:0@:svati
cana.reverse.plica@} [106]
@{char@:Kievan whole note@:127@:0@:4.455@:4.455@:4.455@:4.455@:0@:s0kievan@}
[127]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.66452@:1.70206@:0.74504@:1.66452@:0@
:svaticana.reverse.vplica@} [107
@{char@:Kievan quarter note down@:128@:0@:4.54413@:11.13751@:1.78197@:4.54413@:
0@:d2kievan@} [128]]
@{char@:Kievan quarter note up@:129@:0@:4.54413@:1.78197@:11.58304@:4.54413@:0@
:u2kievan@} [129]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.77415@:1.88632@:1.85881@:2.77415@:
0@:svaticana.inner.cephalicus@} [108
@{char@:Kievan half note (line position)@:130@:0@:4.72229@:7.12804@:4.455@:4.72
229@:0@:s1kievan@} [130]]
@{char@:Kievan half note (space position)@:131@:0@:4.90053@:4.455@:6.23697@:4.9
0053@:0@:sr1kievan@} [131]
@{char@:Kievan eighth note (down)@:132@:0@:5.56876@:13.365@:2.22751@:5.56876@:0
@:d3kievan@} [132]
@{char@:Ed. Vat. cephalicus@:109@:0@:2.77415@:6.30011@:1.85881@:2.77415@:0@:sva
ticana.cephalicus@} [109]
@{char@:Kievan eighth note (up)@:133@:0@:4.455@:1.78197@:12.91948@:4.455@:0@:u3
kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@})
@{char@:Ed. Vat. quilisma@:110@:0@:2.77415@:1.54001@:1.98003@:2.77415@:0@:svati
cana.quilisma@} [110]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.9256@:1.37502@:1.37502@:0
.9628@:0.37492@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.77415@:1.66629@:2.9588@:2.
77415@:0@:ssolesmes.auct.asc@} [112] )
(some charht values had to be adjusted by as much as 0.12341pt)
(some chardp values had to be adjusted by as much as 0.1234pt)
Font metrics written on parmesan-noteheads18.tfm.
Output written on parmesan-noteheads18.600gf (101 characters, 21548 bytes).
Transcript written on parmesan-noteheads18.log.

@{char@:Solesmes punctum auctum descendens@:113@:0@:2.77415@:2.9588@:1.66629@:2
.77415@:0@:ssolesmes.auct.desc@} [113]
@{char@:Solesmes punctum incl. auctum@:114@:0@:3.08096@:2.20003@:2.20003@:1.540
48@:1.19994@:ssolesmes.incl.auctum@} [114]
@{char@:Solesmes stropha@:115@:0@:3.08096@:2.20003@:2.20003@:1.54048@:1.19994@:
ssolesmes.stropha@} [115]
@{char@:Solesmes stropha aucta@:116@:0@:3.08096@:2.20003@:2.20003@:1.54048@:1.1
9994@:ssolesmes.stropha.aucta@} [116]
@{char@:Solesmes oriscus@:117@:0@:3.30258@:1.65004@:1.65004@:3.30258@:0@:ssoles
mes.oriscus@} [117]rm -f parmesan-noteheads16.*gf  parmesan-noteheads16.*pk
mv parmesan-noteheads18.log parmesan-noteheads18.tfm ./out

@{char@:Ed. Med. inclinatum@:118@:0@:4.20125@:3@:3@:2.10063@:1.99991@:smedicaea
.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:3.99994@:2.5@:2.5@:3.99994@:0@:smedicaea.punc
tum@} [119]( echo ./out/parmesan-noteheads26.tfm:  > out/parmesan-noteheads26.dep ) && MFINPUTS=. mf-nowin -progname=mf "\mode:=ljfour; nonstopmode; input parmesan-noteheads26.mf;" 

@{char@:Ed. Med. reverse virga@:120@:0@:3.99994@:2.5@:12.5@:3.99994@:0@:smedica
ea.rvirga@} [120]
@{char@:Ed. Med. virga@:121@:0@:3.99994@:12.5@:2.5@:3.99994@:0@:smedicaea.virga
@} [121]
@{char@:Hufnagel punctum@:122@:0@:7.14073@:2.5@:2.5@:3.57037@:1.49991@:shufnage
l.punctum@} [122]
@{char@:Hufnagel virga@:123@:0@:7.14073@:7.5@:2.5@:7.14073@:0@:shufnagel.virga@
} [123]
@{char@:Hufnagel pes lower punctum@:124@:0@:10@:1.75@:1.75@:10@:0@:shufnagel.lp
es@} [124]
@{char@:Kievan final note@:125@:0@:6.49991@:7.5@:7.5@:6.49991@:0@:sM2kievan@}
[125]
@{char@:Kievan recitative mark@:126@:0@:26.00055@:4.49995@:4.49995@:26.00055@:0
@:sM1kievan@} [126]
@{char@:Kievan whole note@:127@:0@:5@:5@:5@:5@:0@:s0kievan@} [127]
@{char@:Kievan quarter note down@:128@:0@:5.10002@:12.5@:1.99997@:5.10002@:0@:d
2kievan@} [128]
@{char@:Kievan quarter note up@:129@:0@:5.10002@:1.99997@:13.00003@:5.10002@:0@
:u2kievan@} [129]
@{char@:Kievan half note (line position)@:130@:0@:5.29999@:8.00003@:5@:5.29999@
:0@:s1kievan@} [130]
@{char@:Kievan half note (space position)@:131@:0@:5.50003@:5@:6.99997@:5.50003
@:0@:sr1kievan@} [131]
@{char@:Kievan eighth note (down)@:132@:0@:6.25@:15@:2.5@:6.25@:0@:d3kievan@}
[132]
@{char@:Kievan eighth note (up)@:133@:0@:5@:1.99997@:14.49997@:5@:0@:u3kievan@}
[133]
@{puorg@:noteheads@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.1375pt)
(some chardp values had to be adjusted by as much as 0.1375pt)
Font metrics written on parmesan-noteheads20.tfm.
Output written on parmesan-noteheads20.600gf (101 characters, 23732 bytes).
Transcript written on parmesan-noteheads20.log.
This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

(parmesan-noteheads23.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-noteheads-generic.mf (feta-macros.mf) (feta-params.mf)
(parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:22.45@:parmesanMusic@}
(parmesan-noteheads.mf
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:14.59254@:3.06679@:3.06679@:1
4.59254@:0@:uM3neomensural@} [33]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:14.59254@:3.06679@:3.06679@
:14.59254@:0@:dM3neomensural@} [34]rm -f parmesan-noteheads18.*gf  parmesan-noteheads18.*pk

@{char@:Neo-mensural longa notehead (up)@:35@:0@:11.225@:3.06679@:3.06679@:11.2
25@:0@:uM2neomensural@} [35]mv parmesan-noteheads20.log parmesan-noteheads20.tfm ./out

@{char@:Neo-mensural longa notehead (down)@:36@:0@:11.225@:3.06679@:3.06679@:11
.225@:0@:dM2neomensural@} [36]
@{char@:Neo-mensural brevis notehead@:37@:0@:11.225@:3.06679@:3.06679@:11.225@:
0@:sM1neomensural@} [37]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:14.59254@:3.066
79@:3.06679@:14.59254@:0@:urM3neomensural@} [38]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:14.59254@:3.0
6679@:3.06679@:14.59254@:0@:drM3neomensural@} [39]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:11.225@:3.06679@
:3.06679@:11.225@:0@:urM2neomensural@} [40]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:11.225@:3.0667
9@:3.06679@:11.225@:0@:drM2neomensural@} [41]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:11.225@:3.06679@:3.
06679@:11.225@:0@:srM1neomensural@} [42]
@{char@:Neo-mensural semibrevis head@:43@:0@:5.6125@:3.06679@:3.06679@:2.80626@
:1.71199@:s0neomensural@} [43]
@{char@:Neo-mensural minima head@:44@:0@:5.6125@:3.06679@:3.06679@:2.80626@:1.7
1199@:s1neomensural@} [44]
@{char@:Neo-mensural semiminima head@:45@:0@:5.6125@:3.06679@:3.06679@:2.80626@
:1.71199@:s2neomensural@} [45]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:7.29626@:3.98683@:3.98683
@:7.29626@:0@:s0harmonic@} [46]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:7.29626@:3.98683@:3.9868
3@:7.29626@:0@:s2harmonic@} [47]
@{char@:Mensural maxima notehead (up)@:48@:0@:11.225@:3.06679@:3.06679@:11.225@
:0@:uM3mensural@} [48]
@{char@:Mensural maxima notehead (down)@:49@:0@:11.225@:3.06679@:3.06679@:11.22
5@:0@:dM3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:11.225@:3.06679@:3.06679@:1
1.225@:0@:sM3ligmensural@} [50]
@{char@:Mensural longa notehead (up)@:51@:0@:5.6125@:3.06679@:3.06679@:5.6125@:
0@:uM2mensural@} [51]
@{char@:Mensural longa notehead (down)@:52@:0@:5.6125@:3.06679@:3.06679@:5.6125
@:0@:dM2mensural@} [52]
@{char@:Mensural longa notehead (ligature)@:53@:0@:5.6125@:3.06679@:3.06679@:5.
6125@:0@:sM2ligmensural@} [53]
@{char@:Mensural brevis notehead@:54@:0@:5.6125@:3.06679@:3.06679@:5.6125@:0@:s
M1mensural@} [54]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:11.225@:3.06679@:3.
06679@:11.225@:0@:urM3mensural@} [55]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:11.225@:3.06679@:
3.06679@:11.225@:0@:drM3mensural@} [56]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:11.225@:3.066
79@:3.06679@:11.225@:0@:srM3ligmensural@} [57]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:5.6125@:3.06679@:3.0
6679@:5.6125@:0@:urM2mensural@} [58]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:5.6125@:3.06679@:3
.06679@:5.6125@:0@:drM2mensural@} [59]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:5.6125@:3.0667
9@:3.06679@:5.6125@:0@:srM2ligmensural@} [60]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:5.6125@:3.06679@:3.0667
9@:5.6125@:0@:srM1mensural@} [61]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:11.225@:3.06679@:3.0
6679@:11.225@:0@:uM3semimensural@} [62]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:11.225@:3.06679@:3
.06679@:11.225@:0@:dM3semimensural@} [63]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:11.225@:3.0667
9@:3.06679@:11.225@:0@:sM3semiligmensural@} [64]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:5.6125@:3.06679@:3.06
679@:5.6125@:0@:uM2semimensural@} [65]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:5.6125@:3.06679@:3.
06679@:5.6125@:0@:dM2semimensural@} [66]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:5.6125@:3.06679
@:3.06679@:5.6125@:0@:sM2semiligmensural@} [67]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:5.6125@:3.06679@:3.06679@
:5.6125@:0@:sM1semimensural@} [68]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:11.225
@:3.06679@:3.06679@:11.225@:0@:urM3semimensural@} [69]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:11.2
25@:3.06679@:3.06679@:11.225@:0@:drM3semimensural@} [70]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
11.225@:3.06679@:3.06679@:11.225@:0@:srM3semiligmensural@} [71]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:5.6125@
:3.06679@:3.06679@:5.6125@:0@:urM2semimensural@} [72]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:5.612
5@:3.06679@:3.06679@:5.6125@:0@:drM2semimensural@} [73]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:5
.6125@:3.06679@:3.06679@:5.6125@:0@:srM2semiligmensural@} [74]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:5.6125@:3.
06679@:3.06679@:5.6125@:0@:srM1semimensural@} [75]
@{char@:Black mensural maxima notehead (up)@:76@:0@:11.225@:3.06679@:3.06679@:1
1.225@:0@:uM3blackmensural@} [76]
@{char@:Black mensural maxima notehead (down)@:77@:0@:11.225@:3.06679@:3.06679@
:11.225@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:11.225@:3.06679@:3.06
679@:11.225@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:5.6125@:3.06679@:3.06679@:5.
6125@:0@:uM2blackmensural@} [79]
@{char@:Black mensural longa notehead (down)@:80@:0@:5.6125@:3.06679@:3.06679@:
5.6125@:0@:dM2blackmensural@} [80]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:5.6125@:3.06679@:3.066
79@:5.6125@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:5.6125@:3.06679@:3.06679@:5.6125
@:0@:sM1blackmensural@} [82]
@{char@:Mensural semibrevis head@:83@:0@:3.24036@:2.80626@:2.80626@:1.62018@:1.
76411@:s0mensural@} [83]rm -f parmesan-noteheads20.*gf  parmesan-noteheads20.*pk
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta11.otf-gtable \
	--lisp=./out/feta11.lisp \
	--outdir=./out \
	--enc ./out/feta11.enc \
	out/feta11.log

@{char@:Mensural minima head@:84@:0@:3.24036@:2.80626@:2.80626@:1.62018@:1.7641
1@:s1mensural@} [84]
@{char@:Mensural semiminima head@:85@:0@:3.24036@:2.80626@:2.80626@:1.62018@:1.
76411@:s2mensural@} [85]
@{char@:Black mensural semibrevis head@:86@:0@:3.24036@:2.80626@:2.80626@:1.620
18@:1.76411@:s0blackmensural@} [86]
@{char@:Petrucci semibrevis head@:87@:0@:6.18263@:4.29349@:4.29349@:3.09132@:2.
93869@:s0petrucci@} [87]This is METAFONT, Version 2.71828182 (TeX Live 2021/pkgsrc) (preloaded base=mf)

@{char@:Petrucci minima head@:88@:0@:6.18263@:4.29349@:4.29349@:3.09132@:2.9386
9@:s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:6.18263@:4.29349@:4.29349@:3.09132@:2.
93869@:s2petrucci@} [89]
@{char@:Petrucci colored semibrevis head@:90@:0@:6.18263@:4.29349@:4.29349@:3.0
9132@:2.93869@:s0blackpetrucci@} [90]
@{char@:Petrucci colored minima head@:91@:0@:6.18263@:4.29349@:4.29349@:3.09132
@:2.93869@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:6.18263@:4.29349@:4.29349@:3.0
9132@:2.93869@:s2blackpetrucci@} [92]
@{char@:Ed. Vat. punctum@:93@:0@:3.0937@:1.77861@:1.93196@:3.0937@:0@:svaticana
.punctum@} [93]
@{char@:Ed. Vat. punctum cavum@:94@:0@:3.0937@:1.77861@:1.93196@:3.0937@:0@:sva
ticana.punctum.cavum@} [94]
@{char@:Ed. Vat. linea punctum@:95@:0@:4.87953@:2.14674@:2.14674@:4.87953@:0@:s
vaticana.linea.punctum@} [95]
(parmesan-noteheads26.mf (feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (parmesan-noteheads-generic.mf (feta-macros.mf
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:4.87953@:2.14674@:2.14674@:4.87953
@:0@:svaticana.linea.punctum.cavum@} [96]) (feta-params.mf)
(parmesan-macros.mf
@{char@:Ed. Vat. inclinatum@:97@:0@:3.43585@:2.45345@:2.45345@:1.71793@:1.4113@
:svaticana.inclinatum@} [97)]
@{font@:GNU@:LilyPond@:parmesan@:25.2@:parmesanMusic@}
(parmesan-noteheads.mf
@{char@:Ed. Vat. pes lower punctum@:98@:0@:3.0937@:1.74791@:1.71725@:3.0937@:0@
:svaticana.lpes@} [98]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:3.0937@:2.4226@:1.04256@:3.0937@
:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:3.0937@:1.71725@:1.74791@:3.0937@:0
@:svaticana.upes@} [100]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:3.0937@:1.22656@:2.2386@:3.0937
@:0@:svaticana.vupes@} [101]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:16.38005@:3.42233@:3.42233@:1
6.38005@:0@:uM3neomensural@} [33
@{char@:Ed. Vat. plica@:102@:0@:1.85623@:1.1714@:1.2634@:1.85623@:0@:svaticana.
plica@} [102]]
@{char@:Ed. Vat. var plica@:103@:0@:1.85623@:1.62222@:1.07016@:1.85623@:0@:svat
icana.vplica@} [103]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:16.38005@:3.42233@:3.42233@
:16.38005@:0@:dM3neomensural@} [34
@{char@:Ed. Vat. epiphonus@:104@:0@:3.0937@:2.05464@:2.08531@:3.0937@:0@:svatic
ana.epiphonus@} [104]]
@{char@:Ed. Vat. var epiphonus@:105@:0@:3.0937@:2.72934@:1.41061@:3.0937@:0@:sv
aticana.vepiphonus@} [105]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:12.6@:3.42233@:3.42233@:12.6@:
0@:uM2neomensural@} [35]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.85623@:1.26341@:1.17139@:1.85623@:0@:sva
ticana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.85623@:1.8798@:0.81258@:1.85623@:0@:
svaticana.reverse.vplica@} [107]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:12.6@:3.42233@:3.42233@:12.6
@:0@:dM2neomensural@} [36]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:3.0937@:2.08531@:2.05464@:3.0937@:0@
:svaticana.inner.cephalicus@} [108]cd ./out \
   && touch mf2pt1.mem \
   && mpost -progname=mpost -ini /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/mf2pt1.mp \\dump

@{char@:Neo-mensural brevis notehead@:37@:0@:12.6@:3.42233@:3.42233@:12.6@:0@:s
M1neomensural@} [37]
@{char@:Ed. Vat. cephalicus@:109@:0@:3.0937@:7.0075@:2.05464@:3.0937@:0@:svatic
ana.cephalicus@} [109]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:16.38005@:3.422
33@:3.42233@:16.38005@:0@:urM3neomensural@} [38]
@{char@:Ed. Vat. quilisma@:110@:0@:3.0937@:1.71739@:2.20808@:3.0937@:0@:svatica
na.quilisma@} [110]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:16.38005@:3.4
2233@:3.42233@:16.38005@:0@:drM3neomensural@} [39]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:2.1474@:1.5334@:1.5334@:1.0
737@:0.49126@:ssolesmes.incl.parvum@} [111]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:12.6@:3.42233@:3
.42233@:12.6@:0@:urM2neomensural@} [40]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:3.0937@:1.83994@:3.28134@:3.
0937@:0@:ssolesmes.auct.asc@} [112]
@{char@:Solesmes punctum auctum descendens@:113@:0@:3.0937@:3.28134@:1.83994@:3
.0937@:0@:ssolesmes.auct.desc@} [113]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:12.6@:3.42233@
:3.42233@:12.6@:0@:drM2neomensural@} [41]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:12.6@:3.42233@:3.42
233@:12.6@:0@:srM1neomensural@} [42]
@{char@:Neo-mensural semibrevis head@:43@:0@:6.3@:3.42233@:3.42233@:3.15001@:2.
0062@:s0neomensural@} [43]
@{char@:Neo-mensural minima head@:44@:0@:6.3@:3.42233@:3.42233@:3.15001@:2.0062
@:s1neomensural@} [44
@{char@:Solesmes punctum incl. auctum@:114@:0@:3.43585@:2.45345@:2.45345@:1.717
93@:1.4113@:ssolesmes.incl.auctum@} [114]]
@{char@:Neo-mensural semiminima head@:45@:0@:6.3@:3.42233@:3.42233@:3.15001@:2.
0062@:s2neomensural@} [45]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:8.19002@:4.44905@:4.44905
@:8.19002@:0@:s0harmonic@} [46]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:8.19002@:4.44905@:4.4490
5@:8.19002@:0@:s2harmonic@} [47]
@{char@:Solesmes stropha@:115@:0@:3.43585@:2.45345@:2.45345@:1.71793@:1.4113@:s
solesmes.stropha@} [115]
@{char@:Mensural maxima notehead (up)@:48@:0@:12.6@:3.42233@:3.42233@:12.6@:0@:
uM3mensural@} [48]
@{char@:Mensural maxima notehead (down)@:49@:0@:12.6@:3.42233@:3.42233@:12.6@:0
@:dM3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:12.6@:3.42233@:3.42233@:12.
6@:0@:sM3ligmensural@} [50]
@{char@:Mensural longa notehead (up)@:51@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:uM2
mensural@} [51]
@{char@:Solesmes stropha aucta@:116@:0@:3.43585@:2.45345@:2.45345@:1.71793@:1.4
113@:ssolesmes.stropha.aucta@} [116]
@{char@:Mensural longa notehead (down)@:52@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:d
M2mensural@} [52]
@{char@:Solesmes oriscus@:117@:0@:3.683@:1.8401@:1.8401@:3.683@:0@:ssolesmes.or
iscus@} [117]
@{char@:Mensural longa notehead (ligature)@:53@:0@:6.3@:3.42233@:3.42233@:6.3@:
0@:sM2ligmensural@} [53]
@{char@:Mensural brevis notehead@:54@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:sM1mens
ural@} [54]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:12.6@:3.42233@:3.42
233@:12.6@:0@:urM3mensural@} [55]
@{char@:Ed. Med. inclinatum@:118@:0@:4.71591@:3.3675@:3.3675@:2.35796@:2.32535@
:smedicaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:4.48993@:2.80626@:2.80626@:4.48993@:0@:smedic
aea.punctum@} [119
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:12.6@:3.42233@:3.
42233@:12.6@:0@:drM3mensural@} [56]]
@{char@:Ed. Med. reverse virga@:120@:0@:4.48993@:2.80626@:14.03127@:4.48993@:0@
:smedicaea.rvirga@} [120]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:12.6@:3.42233
@:3.42233@:12.6@:0@:srM3ligmensural@} [57]
@{char@:Ed. Med. virga@:121@:0@:4.48993@:14.03127@:2.80626@:4.48993@:0@:smedica
ea.virga@} [121]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:6.3@:3.42233@:3.4223
3@:6.3@:0@:urM2mensural@} [58]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:6.3@:3.42233@:3.42
233@:6.3@:0@:drM2mensural@} [59]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:6.3@:3.42233@:
3.42233@:6.3@:0@:srM2ligmensural@} [60]
@{char@:Hufnagel punctum@:122@:0@:8.01547@:2.80626@:2.80626@:4.00774@:1.76411@:
shufnagel.punctum@} [122]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:6.3@:3.42233@:3.42233@:
6.3@:0@:srM1mensural@} [61]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:12.6@:3.42233@:3.422
33@:12.6@:0@:uM3semimensural@} [62]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:12.6@:3.42233@:3.4
2233@:12.6@:0@:dM3semimensural@} [63]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:12.6@:3.42233@
:3.42233@:12.6@:0@:sM3semiligmensural@} [64]
@{char@:Hufnagel virga@:123@:0@:8.01547@:8.41876@:2.80626@:8.01547@:0@:shufnage
l.virga@} [123]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:6.3@:3.42233@:3.42233
@:6.3@:0@:uM2semimensural@} [65
@{char@:Hufnagel pes lower punctum@:124@:0@:11.225@:1.96437@:1.96437@:11.225@:0
@:shufnagel.lpes@} [124]]
@{char@:Kievan final note@:125@:0@:7.37662@:8.41876@:8.41876@:7.37662@:0@:sM2ki
evan@} [125]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:6.3@:3.42233@:3.422
33@:6.3@:0@:dM2semimensural@} [66]
@{char@:Kievan recitative mark@:126@:0@:28.70288@:5.09143@:5.09143@:28.70288@:0
@:sM1kievan@} [126]
@{char@:Kievan whole note@:127@:0@:5.6125@:5.6125@:5.6125@:5.6125@:0@:s0kievan@
} [127]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:6.3@:3.42233@:3
.42233@:6.3@:0@:sM2semiligmensural@} [67]
@{char@:Kievan quarter note down@:128@:0@:5.72478@:14.03127@:2.24496@:5.72478@:
0@:d2kievan@} [128]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:6.3@:3.42233@:3.42233@:6.
3@:0@:sM1semimensural@} [68]
@{char@:Kievan quarter note up@:129@:0@:5.72478@:2.24496@:14.59254@:5.72478@:0@
:u2kievan@} [129]
@{char@:Kievan half note (line position)@:130@:0@:5.94923@:8.98004@:5.6125@:5.9
4923@:0@:s1kievan@} [130]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:12.6@:
3.42233@:3.42233@:12.6@:0@:urM3semimensural@} [69]
@{char@:Kievan half note (space position)@:131@:0@:6.17378@:5.6125@:7.85747@:6.
17378@:0@:sr1kievan@} [131]
@{char@:Kievan eighth note (down)@:132@:0@:7.01563@:16.83751@:2.80626@:7.01563@
:0@:d3kievan@} [132
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:12.6
@:3.42233@:3.42233@:12.6@:0@:drM3semimensural@} [70]]
@{char@:Kievan eighth note (up)@:133@:0@:5.6125@:2.24496@:16.27623@:5.6125@:0@:
u3kievan@} [133
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
12.6@:3.42233@:3.42233@:12.6@:0@:srM3semiligmensural@} [71]]
@{puorg@:noteheads@}
)
@{tnof@})
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:6.3@:3.
42233@:3.42233@:6.3@:0@:urM2semimensural@} [72]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:6.3@:
3.42233@:3.42233@:6.3@:0@:drM2semimensural@} [73]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:6
.3@:3.42233@:3.42233@:6.3@:0@:srM2semiligmensural@} [74] )
(some charht values had to be adjusted by as much as 0.15334pt)
(some chardp values had to be adjusted by as much as 0.15332pt)
Font metrics written on parmesan-noteheads23.tfm.
Output written on parmesan-noteheads23.600gf (101 characters, 26456 bytes).
Transcript written on parmesan-noteheads23.log.

@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:6.3@:3.422
33@:3.42233@:6.3@:0@:srM1semimensural@} [75]
@{char@:Black mensural maxima notehead (up)@:76@:0@:12.6@:3.42233@:3.42233@:12.
6@:0@:uM3blackmensural@} [76]
@{char@:Black mensural maxima notehead (down)@:77@:0@:12.6@:3.42233@:3.42233@:1
2.6@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:12.6@:3.42233@:3.4223
3@:12.6@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:6.3@:3.42233@:3.42233@:6.3@:
0@:uM2blackmensural@} [79]
@{char@:Black mensural longa notehead (down)@:80@:0@:6.3@:3.42233@:3.42233@:6.3
@:0@:dM2blackmensural@} [80]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:6.3@:3.42233@:3.42233@
:6.3@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:s
M1blackmensural@} [82]
@{char@:Mensural semibrevis head@:83@:0@:3.63728@:3.15001@:3.15001@:1.81865@:2.
06068@:s0mensural@} [83]
@{char@:Mensural minima head@:84@:0@:3.63728@:3.15001@:3.15001@:1.81865@:2.0606
8@:s1mensural@} [84]
@{char@:Mensural semiminima head@:85@:0@:3.63728@:3.15001@:3.15001@:1.81865@:2.
06068@:s2mensural@} [85]
@{char@:Black mensural semibrevis head@:86@:0@:3.63728@:3.15001@:3.15001@:1.818
65@:2.06068@:s0blackmensural@} [86]
@{char@:Petrucci semibrevis head@:87@:0@:6.8994@:4.79124@:4.79124@:3.4497@:3.37
51@:s0petrucci@} [87]
@{char@:Petrucci minima head@:88@:0@:6.8994@:4.79124@:4.79124@:3.4497@:3.3751@:
s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:6.8994@:4.79124@:4.79124@:3.4497@:3.37
51@:s2petrucci@} [89]
@{char@:Petrucci colored semibrevis head@:90@:0@:6.8994@:4.79124@:4.79124@:3.44
97@:3.3751@:s0blackpetrucci@} [90]
@{char@:Petrucci colored minima head@:91@:0@:6.8994@:4.79124@:4.79124@:3.4497@:
3.3751@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:6.8994@:4.79124@:4.79124@:3.44
97@:3.3751@:s2blackpetrucci@} [92]
@{char@:Ed. Vat. punctum@:93@:0@:3.45236@:1.96642@:2.13751@:3.45236@:0@:svatica
na.punctum@} [93]mv parmesan-noteheads23.log parmesan-noteheads23.tfm ./out

@{char@:Ed. Vat. punctum cavum@:94@:0@:3.45236@:1.96642@:2.13751@:3.45236@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:Ed. Vat. linea punctum@:95@:0@:5.42313@:2.39563@:2.39563@:5.42313@:0@:s
vaticana.linea.punctum@} [95]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:5.42313@:2.39563@:2.39563@:5.42313
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Ed. Vat. inclinatum@:97@:0@:3.83418@:2.73788@:2.73788@:1.9171@:1.64856@
:svaticana.inclinatum@} [97]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:3.45236@:1.93214@:1.89793@:3.45236@:
0@:svaticana.lpes@} [98]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:3.45236@:2.68506@:1.14502@:3.452
36@:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:3.45236@:1.89795@:1.93213@:3.45236@
:0@:svaticana.upes@} [100]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:3.45236@:1.35036@:2.47972@:3.45
236@:0@:svaticana.vupes@} [101]
@{char@:Ed. Vat. plica@:102@:0@:2.07144@:1.2888@:1.39145@:2.07144@:0@:svaticana
.plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:2.07144@:1.79189@:1.17581@:2.07144@:0@:svat
icana.vplica@} [103]
@{char@:Ed. Vat. epiphonus@:104@:0@:3.45236@:2.27443@:2.30865@:3.45236@:0@:svat
icana.epiphonus@} [104]
@{char@:Ed. Vat. var epiphonus@:105@:0@:3.45236@:3.02734@:1.55574@:3.45236@:0@:
svaticana.vepiphonus@} [105]
@{char@:Ed. Vat. rev. plica@:106@:0@:2.07144@:1.39146@:1.28879@:2.07144@:0@:sva
ticana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:2.07144@:2.07933@:0.88837@:2.07144@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:3.45236@:2.30867@:2.27441@:3.45236@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:Ed. Vat. cephalicus@:109@:0@:3.45236@:7.80151@:2.27441@:3.45236@:0@:sva
ticana.cephalicus@} [109]
@{char@:Ed. Vat. quilisma@:110@:0@:3.45236@:1.9165@:2.46408@:3.45236@:0@:svatic
ana.quilisma@} [110]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:2.39635@:1.71117@:1.71117@:
1.19818@:0.62184@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:3.45236@:2.03485@:3.64333@:3
.45236@:0@:ssolesmes.auct.asc@} [112]
@{char@:Solesmes punctum auctum descendens@:113@:0@:3.45236@:3.64334@:2.03484@:
3.45236@:0@:ssolesmes.auct.desc@} [113]
@{char@:Solesmes punctum incl. auctum@:114@:0@:3.83418@:2.73788@:2.73788@:1.917
1@:1.64856@:ssolesmes.incl.auctum@} [114]
@{char@:Solesmes stropha@:115@:0@:3.83418@:2.73788@:2.73788@:1.9171@:1.64856@:s
solesmes.stropha@} [115]
@{char@:Solesmes stropha aucta@:116@:0@:3.83418@:2.73788@:2.73788@:1.9171@:1.64
856@:ssolesmes.stropha.aucta@} [116]
@{char@:Solesmes oriscus@:117@:0@:4.10999@:2.05342@:2.05342@:4.10999@:0@:ssoles
mes.oriscus@} [117]
@{char@:Ed. Med. inclinatum@:118@:0@:5.29358@:3.78@:3.78@:2.64679@:2.69067@:sme
dicaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:5.03993@:3.15001@:3.15001@:5.03993@:0@:smedic
aea.punctum@} [119]
@{char@:Ed. Med. reverse virga@:120@:0@:5.03993@:3.15001@:15.75002@:5.03993@:0@
:smedicaea.rvirga@} [120]
@{char@:Ed. Med. virga@:121@:0@:5.03993@:15.75002@:3.15001@:5.03993@:0@:smedica
ea.virga@} [121]
@{char@:Hufnagel punctum@:122@:0@:8.99733@:3.15001@:3.15001@:4.49867@:2.06068@:
shufnagel.punctum@} [122]
@{char@:Hufnagel virga@:123@:0@:8.99733@:9.45001@:3.15001@:8.99733@:0@:shufnage
l.virga@} [123]
@{char@:Hufnagel pes lower punctum@:124@:0@:12.6@:2.205@:2.205@:12.6@:0@:shufna
gel.lpes@} [124]
@{char@:Kievan final note@:125@:0@:8.36069@:9.45001@:9.45001@:8.36069@:0@:sM2ki
evan@} [125]
@{char@:Kievan recitative mark@:126@:0@:31.73596@:5.75534@:5.75534@:31.73596@:0
@:sM1kievan@} [126]
@{char@:Kievan whole note@:127@:0@:6.3@:6.3@:6.3@:6.3@:0@:s0kievan@} [127]
@{char@:Kievan quarter note down@:128@:0@:6.42603@:15.75002@:2.51996@:6.42603@:
0@:d2kievan@} [128]
@{char@:Kievan quarter note up@:129@:0@:6.42603@:2.51996@:16.38005@:6.42603@:0@
:u2kievan@} [129]
@{char@:Kievan half note (line position)@:130@:0@:6.678@:10.08005@:6.3@:6.678@:
0@:s1kievan@} [130]
@{char@:Kievan half note (space position)@:131@:0@:6.93004@:6.3@:8.81996@:6.930
04@:0@:sr1kievan@} [131]
@{char@:Kievan eighth note (down)@:132@:0@:7.875@:18.90001@:3.15001@:7.875@:0@:
d3kievan@} [132]
@{char@:Kievan eighth note (up)@:133@:0@:6.3@:2.51996@:18.26997@:6.3@:0@:u3kiev
an@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.17111pt)
(some chardp values had to be adjusted by as much as 0.1711pt)
Font metrics written on parmesan-noteheads26.tfm.
Output written on parmesan-noteheads26.600gf (101 characters, 29364 bytes).
Transcript written on parmesan-noteheads26.log.
rm -f parmesan-noteheads23.*gf  parmesan-noteheads23.*pk
mv parmesan-noteheads26.log parmesan-noteheads26.tfm ./out
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta13.otf-gtable \
	--lisp=./out/feta13.lisp \
	--outdir=./out \
	--enc ./out/feta13.enc \
	out/feta13.log
rm -f parmesan-noteheads26.*gf  parmesan-noteheads26.*pk
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/mf2pt1.mp
(/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta14.otf-gtable \
	--lisp=./out/feta14.lisp \
	--outdir=./out \
	--enc ./out/feta14.enc \
	out/feta14.log
)
Transcript written on mf2pt1.log.
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta16.otf-gtable \
	--lisp=./out/feta16.lisp \
	--outdir=./out \
	--enc ./out/feta16.enc \
	out/feta16.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta18.otf-gtable \
	--lisp=./out/feta18.lisp \
	--outdir=./out \
	--enc ./out/feta18.enc \
	out/feta18.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta20.otf-gtable \
	--lisp=./out/feta20.lisp \
	--outdir=./out \
	--enc ./out/feta20.enc \
	out/feta20.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta23.otf-gtable \
	--lisp=./out/feta23.lisp \
	--outdir=./out \
	--enc ./out/feta23.enc \
	out/feta23.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta26.otf-gtable \
	--lisp=./out/feta26.lisp \
	--outdir=./out \
	--enc ./out/feta26.enc \
	out/feta26.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/gen-emmentaler-scripts --dir=./out
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/gen-emmentaler-scripts --dir=./out
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/gen-emmentaler-scripts --dir=./out
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/gen-emmentaler-scripts --dir=./out
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/gen-emmentaler-scripts --dir=./out
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/gen-emmentaler-scripts --dir=./out
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/gen-emmentaler-scripts --dir=./out
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/gen-emmentaler-scripts --dir=./out
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-braces-a.otf-gtable \
	--lisp=./out/feta-braces-a.lisp \
	--outdir=./out \
	--enc ./out/feta-braces-a.enc \
	out/feta-braces-a.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-braces-b.otf-gtable \
	--lisp=./out/feta-braces-b.lisp \
	--outdir=./out \
	--enc ./out/feta-braces-b.enc \
	out/feta-braces-b.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-braces-c.otf-gtable \
	--lisp=./out/feta-braces-c.lisp \
	--outdir=./out \
	--enc ./out/feta-braces-c.enc \
	out/feta-braces-c.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-braces-d.otf-gtable \
	--lisp=./out/feta-braces-d.lisp \
	--outdir=./out \
	--enc ./out/feta-braces-d.enc \
	out/feta-braces-d.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-braces-e.otf-gtable \
	--lisp=./out/feta-braces-e.lisp \
	--outdir=./out \
	--enc ./out/feta-braces-e.enc \
	out/feta-braces-e.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-braces-f.otf-gtable \
	--lisp=./out/feta-braces-f.lisp \
	--outdir=./out \
	--enc ./out/feta-braces-f.enc \
	out/feta-braces-f.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-braces-g.otf-gtable \
	--lisp=./out/feta-braces-g.lisp \
	--outdir=./out \
	--enc ./out/feta-braces-g.enc \
	out/feta-braces-g.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-braces-h.otf-gtable \
	--lisp=./out/feta-braces-h.lisp \
	--outdir=./out \
	--enc ./out/feta-braces-h.enc \
	out/feta-braces-h.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-braces-i.otf-gtable \
	--lisp=./out/feta-braces-i.lisp \
	--outdir=./out \
	--enc ./out/feta-braces-i.enc \
	out/feta-braces-i.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-alphabet11.otf-gtable \
	--lisp=./out/feta-alphabet11.lisp \
	--outdir=./out \
	--enc ./out/feta-alphabet11.enc \
	out/feta-alphabet11.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-alphabet13.otf-gtable \
	--lisp=./out/feta-alphabet13.lisp \
	--outdir=./out \
	--enc ./out/feta-alphabet13.enc \
	out/feta-alphabet13.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-alphabet14.otf-gtable \
	--lisp=./out/feta-alphabet14.lisp \
	--outdir=./out \
	--enc ./out/feta-alphabet14.enc \
	out/feta-alphabet14.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-alphabet16.otf-gtable \
	--lisp=./out/feta-alphabet16.lisp \
	--outdir=./out \
	--enc ./out/feta-alphabet16.enc \
	out/feta-alphabet16.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-alphabet18.otf-gtable \
	--lisp=./out/feta-alphabet18.lisp \
	--outdir=./out \
	--enc ./out/feta-alphabet18.enc \
	out/feta-alphabet18.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-alphabet20.otf-gtable \
	--lisp=./out/feta-alphabet20.lisp \
	--outdir=./out \
	--enc ./out/feta-alphabet20.enc \
	out/feta-alphabet20.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-alphabet23.otf-gtable \
	--lisp=./out/feta-alphabet23.lisp \
	--outdir=./out \
	--enc ./out/feta-alphabet23.enc \
	out/feta-alphabet23.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-alphabet26.otf-gtable \
	--lisp=./out/feta-alphabet26.lisp \
	--outdir=./out \
	--enc ./out/feta-alphabet26.enc \
	out/feta-alphabet26.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-noteheads11.otf-gtable \
	--lisp=./out/feta-noteheads11.lisp \
	--outdir=./out \
	--enc ./out/feta-noteheads11.enc \
	out/feta-noteheads11.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-noteheads13.otf-gtable \
	--lisp=./out/feta-noteheads13.lisp \
	--outdir=./out \
	--enc ./out/feta-noteheads13.enc \
	out/feta-noteheads13.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-noteheads14.otf-gtable \
	--lisp=./out/feta-noteheads14.lisp \
	--outdir=./out \
	--enc ./out/feta-noteheads14.enc \
	out/feta-noteheads14.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-noteheads16.otf-gtable \
	--lisp=./out/feta-noteheads16.lisp \
	--outdir=./out \
	--enc ./out/feta-noteheads16.enc \
	out/feta-noteheads16.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-noteheads18.otf-gtable \
	--lisp=./out/feta-noteheads18.lisp \
	--outdir=./out \
	--enc ./out/feta-noteheads18.enc \
	out/feta-noteheads18.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-noteheads20.otf-gtable \
	--lisp=./out/feta-noteheads20.lisp \
	--outdir=./out \
	--enc ./out/feta-noteheads20.enc \
	out/feta-noteheads20.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-noteheads23.otf-gtable \
	--lisp=./out/feta-noteheads23.lisp \
	--outdir=./out \
	--enc ./out/feta-noteheads23.enc \
	out/feta-noteheads23.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-noteheads26.otf-gtable \
	--lisp=./out/feta-noteheads26.lisp \
	--outdir=./out \
	--enc ./out/feta-noteheads26.enc \
	out/feta-noteheads26.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-flags11.otf-gtable \
	--lisp=./out/feta-flags11.lisp \
	--outdir=./out \
	--enc ./out/feta-flags11.enc \
	out/feta-flags11.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-flags13.otf-gtable \
	--lisp=./out/feta-flags13.lisp \
	--outdir=./out \
	--enc ./out/feta-flags13.enc \
	out/feta-flags13.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-flags14.otf-gtable \
	--lisp=./out/feta-flags14.lisp \
	--outdir=./out \
	--enc ./out/feta-flags14.enc \
	out/feta-flags14.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-flags16.otf-gtable \
	--lisp=./out/feta-flags16.lisp \
	--outdir=./out \
	--enc ./out/feta-flags16.enc \
	out/feta-flags16.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-flags18.otf-gtable \
	--lisp=./out/feta-flags18.lisp \
	--outdir=./out \
	--enc ./out/feta-flags18.enc \
	out/feta-flags18.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-flags20.otf-gtable \
	--lisp=./out/feta-flags20.lisp \
	--outdir=./out \
	--enc ./out/feta-flags20.enc \
	out/feta-flags20.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-flags23.otf-gtable \
	--lisp=./out/feta-flags23.lisp \
	--outdir=./out \
	--enc ./out/feta-flags23.enc \
	out/feta-flags23.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/feta-flags26.otf-gtable \
	--lisp=./out/feta-flags26.lisp \
	--outdir=./out \
	--enc ./out/feta-flags26.enc \
	out/feta-flags26.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan11.otf-gtable \
	--lisp=./out/parmesan11.lisp \
	--outdir=./out \
	--enc ./out/parmesan11.enc \
	out/parmesan11.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan13.otf-gtable \
	--lisp=./out/parmesan13.lisp \
	--outdir=./out \
	--enc ./out/parmesan13.enc \
	out/parmesan13.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan14.otf-gtable \
	--lisp=./out/parmesan14.lisp \
	--outdir=./out \
	--enc ./out/parmesan14.enc \
	out/parmesan14.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan16.otf-gtable \
	--lisp=./out/parmesan16.lisp \
	--outdir=./out \
	--enc ./out/parmesan16.enc \
	out/parmesan16.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan18.otf-gtable \
	--lisp=./out/parmesan18.lisp \
	--outdir=./out \
	--enc ./out/parmesan18.enc \
	out/parmesan18.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan20.otf-gtable \
	--lisp=./out/parmesan20.lisp \
	--outdir=./out \
	--enc ./out/parmesan20.enc \
	out/parmesan20.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan23.otf-gtable \
	--lisp=./out/parmesan23.lisp \
	--outdir=./out \
	--enc ./out/parmesan23.enc \
	out/parmesan23.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan26.otf-gtable \
	--lisp=./out/parmesan26.lisp \
	--outdir=./out \
	--enc ./out/parmesan26.enc \
	out/parmesan26.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan-noteheads11.otf-gtable \
	--lisp=./out/parmesan-noteheads11.lisp \
	--outdir=./out \
	--enc ./out/parmesan-noteheads11.enc \
	out/parmesan-noteheads11.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan-noteheads13.otf-gtable \
	--lisp=./out/parmesan-noteheads13.lisp \
	--outdir=./out \
	--enc ./out/parmesan-noteheads13.enc \
	out/parmesan-noteheads13.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan-noteheads14.otf-gtable \
	--lisp=./out/parmesan-noteheads14.lisp \
	--outdir=./out \
	--enc ./out/parmesan-noteheads14.enc \
	out/parmesan-noteheads14.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan-noteheads16.otf-gtable \
	--lisp=./out/parmesan-noteheads16.lisp \
	--outdir=./out \
	--enc ./out/parmesan-noteheads16.enc \
	out/parmesan-noteheads16.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan-noteheads18.otf-gtable \
	--lisp=./out/parmesan-noteheads18.lisp \
	--outdir=./out \
	--enc ./out/parmesan-noteheads18.enc \
	out/parmesan-noteheads18.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan-noteheads20.otf-gtable \
	--lisp=./out/parmesan-noteheads20.lisp \
	--outdir=./out \
	--enc ./out/parmesan-noteheads20.enc \
	out/parmesan-noteheads20.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan-noteheads23.otf-gtable \
	--lisp=./out/parmesan-noteheads23.lisp \
	--outdir=./out \
	--enc ./out/parmesan-noteheads23.enc \
	out/parmesan-noteheads23.log
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf-to-table \
	--global-lisp=./out/parmesan-noteheads26.otf-gtable \
	--lisp=./out/parmesan-noteheads26.lisp \
	--outdir=./out \
	--enc ./out/parmesan-noteheads26.enc \
	out/parmesan-noteheads26.log
cat out/feta11.lisp out/parmesan11.lisp \
       out/parmesan-noteheads11.lisp \
       out/feta-noteheads11.lisp \
       out/feta-flags11.lisp \
       out/feta-alphabet11.lisp > out/feta11.otf-table
cat out/feta13.lisp out/parmesan13.lisp \
       out/parmesan-noteheads13.lisp \
       out/feta-noteheads13.lisp \
       out/feta-flags13.lisp \
       out/feta-alphabet13.lisp > out/feta13.otf-table
cat out/feta14.lisp out/parmesan14.lisp \
       out/parmesan-noteheads14.lisp \
       out/feta-noteheads14.lisp \
       out/feta-flags14.lisp \
       out/feta-alphabet14.lisp > out/feta14.otf-table
cat out/feta16.lisp out/parmesan16.lisp \
       out/parmesan-noteheads16.lisp \
       out/feta-noteheads16.lisp \
       out/feta-flags16.lisp \
       out/feta-alphabet16.lisp > out/feta16.otf-table
cat out/feta18.lisp out/parmesan18.lisp \
       out/parmesan-noteheads18.lisp \
       out/feta-noteheads18.lisp \
       out/feta-flags18.lisp \
       out/feta-alphabet18.lisp > out/feta18.otf-table
cat out/feta20.lisp out/parmesan20.lisp \
       out/parmesan-noteheads20.lisp \
       out/feta-noteheads20.lisp \
       out/feta-flags20.lisp \
       out/feta-alphabet20.lisp > out/feta20.otf-table
cat out/feta23.lisp out/parmesan23.lisp \
       out/parmesan-noteheads23.lisp \
       out/feta-noteheads23.lisp \
       out/feta-flags23.lisp \
       out/feta-alphabet23.lisp > out/feta23.otf-table
cat out/feta26.lisp out/parmesan26.lisp \
       out/parmesan-noteheads26.lisp \
       out/feta-noteheads26.lisp \
       out/feta-flags26.lisp \
       out/feta-alphabet26.lisp > out/feta26.otf-table
cat out/feta-braces-a.lisp  \
        \
        \
        \
        > out/feta-braces-a.otf-table
cat out/feta-braces-b.lisp  \
        \
        \
        \
        > out/feta-braces-b.otf-table
cat out/feta-braces-c.lisp  \
        \
        \
        \
        > out/feta-braces-c.otf-table
cat out/feta-braces-d.lisp  \
        \
        \
        \
        > out/feta-braces-d.otf-table
cat out/feta-braces-e.lisp  \
        \
        \
        \
        > out/feta-braces-e.otf-table
cat out/feta-braces-f.lisp  \
        \
        \
        \
        > out/feta-braces-f.otf-table
cat out/feta-braces-g.lisp  \
        \
        \
        \
        > out/feta-braces-g.otf-table
cat out/feta-braces-h.lisp  \
        \
        \
        \
        > out/feta-braces-h.otf-table
cat out/feta-braces-i.lisp  \
        \
        \
        \
        > out/feta-braces-i.otf-table
/usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059036l.pfb /usr/pkg/share/fonts/urw/c059036l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059033l.pfb /usr/pkg/share/fonts/urw/c059033l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059016l.pfb /usr/pkg/share/fonts/urw/c059016l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059013l.pfb /usr/pkg/share/fonts/urw/c059013l.afm ./out/ &&  true
/usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059036l.pfb /usr/pkg/share/fonts/urw/c059036l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059033l.pfb /usr/pkg/share/fonts/urw/c059033l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059016l.pfb /usr/pkg/share/fonts/urw/c059016l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059013l.pfb /usr/pkg/share/fonts/urw/c059013l.afm ./out/ &&  true
/usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059036l.pfb /usr/pkg/share/fonts/urw/c059036l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059033l.pfb /usr/pkg/share/fonts/urw/c059033l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059016l.pfb /usr/pkg/share/fonts/urw/c059016l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059013l.pfb /usr/pkg/share/fonts/urw/c059013l.afm ./out/ &&  true
/usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059036l.pfb /usr/pkg/share/fonts/urw/c059036l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059033l.pfb /usr/pkg/share/fonts/urw/c059033l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059016l.pfb /usr/pkg/share/fonts/urw/c059016l.afm ./out/ &&   /usr/pkg/bin/fontforge -script ../scripts/auxiliar/pfx2ttf.fontforge /usr/pkg/share/fonts/urw/c059013l.pfb /usr/pkg/share/fonts/urw/c059013l.afm ./out/ &&  true
( echo ./out/feta11.pfb:  > out/feta11.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta11.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta11 --fullname=feta11 --name=feta11 feta11.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
( echo ./out/feta-noteheads11.pfb:  > out/feta-noteheads11.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-noteheads11.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-noteheads11 --fullname=feta-noteheads11 --name=feta-noteheads11 feta-noteheads11.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
( echo ./out/feta-flags11.pfb:  > out/feta-flags11.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-flags11.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-flags11 --fullname=feta-flags11 --name=feta-flags11 feta-flags11.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Failed to change locale.
( echo ./out/feta-alphabet11.pfb:  > out/feta-alphabet11.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-alphabet11.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-alphabet11 --fullname=feta-alphabet11 --name=feta-alphabet11 feta-alphabet11.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Failed to change locale.
( echo ./out/parmesan11.pfb:  > out/parmesan11.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan11.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan11 --fullname=parmesan11 --name=parmesan11 parmesan11.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Failed to change locale.
Failed to change locale.
Failed to change locale.
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta11.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta11.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:11.22@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{group@:rests@}
@{char@:whole rest@:33@:0@:4.20752@:1.75313@:0@:4.20752@:0@:0@} [33]
@{char@:half rest@:34@:0@:4.20752@:0@:1.75313@:4.20752@:0@:1@} [34]
@{char@:whole rest (outside staff)@:35@:0@:4.20752@:1.75313@:0.42471@:4.20752@:
0@:0o@} [35]
@{char@:half rest (outside staff)@:36@:0@:4.20752@:0.42471@:1.75313@:4.20752@:0
@:1o@} [36]
@{char@:maxima rest@:37@:0@:5.049@:2.80501@:2.80501@:5.049@:0@:M3@} [37]
@{char@:longa rest@:38@:0@:1.683@:2.80501@:2.80501@:1.683@:0@:M2@} [38]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:breve rest@:39@:0@:1.683@:0@:2.80501@:1.683@:0@:M1@} [39]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:breve rest (outside staff)@:40@:0@:1.683@:0.42471@:2.80501@:1.683@:0@:M
1o@} [40]Failed to change locale.
Failed to change locale.
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-alphabet11.mf'"...

@{char@:Quarter rest@:41@:0@:2.66475@:3.50626@:4.38283@:2.66475@:0@:2@} [41]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-flags11.mf'"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
Failed to change locale.
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Classical quarter rest@:42@:0@:2.80501@:3.01736@:2.30011@:2.80501@:0@:2
classical@} [42]
@{char@:8th rest@:43@:0@:2.80501@:3.01736@:2.30011@:2.80501@:0@:3@} [43]
@{char@:16th rest@:44@:0@:3.366@:5.82237@:2.30011@:3.366@:0@:4@} [44]
@{char@:32th rest@:45@:0@:3.64651@:5.82237@:5.10512@:3.64651@:0@:5@} [45]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
Failed to change locale.
(./mf2pt1.mp
@{char@:64th rest@:46@:0@:3.92699@:8.62738@:5.10512@:3.92699@:0@:6@} [46](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:128th rest@:47@:0@:4.20752@:8.62738@:7.91013@:4.20752@:0@:7@} [47]
@{puorg@:rests@}
)Failed to change locale.

Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))Failed to change locale.
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags11.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet11.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mfInvoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan11.mf'"...

******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:3.08553@:4.20752@:4.20752@:3.08553@:0@:sharp@} [48]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-noteheads11.mf'"...

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Arrowed Sharp (arrow up)@:49@:0@:3.08553@:4.20752@:7.57352@:3.08553@:0@
:sharp.arrowup@} [49]))
@{font@:GNU@:LilyPond@:feta-alphabet@:11.22@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
@{font@:GNU@:LilyPond@:feta@:11.22@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{char@:Arrowed Sharp (arrow down)@:50@:0.63707@:3.08553@:7.57352@:4.20752@:3.0
8553@:0@:sharp.arrowdown@} [50]
@{char@:Plus@:43@:0@:2.80501@:-1.4025@:4.2075@:2.80501@:0@:plus@} [43]
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:2.62514@:8.55518@:0.27606@:2.62514@:0@:u3@} [33]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:1.14186@:1.7128@:1.14186@:1.14186@:0@:comma@}
[44]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.63707@:3.08553@:7.57352@:7.57
352@:3.08553@:0@:sharp.arrowboth@} [51]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:16th Flag (up)@:34@:0@:2.62514@:9.95769@:0.27606@:2.62514@:0@:u4@}
[34]
@{char@:1/2 Sharp@:52@:0@:1.9635@:4.20752@:4.20752@:1.9635@:0@:sharp.slashslash
.stem@} [52](./mf2pt1.mp
@{char@:Numeral dash@:45@:0@:1.87@:0@:5.61@:1.87@:0@:hyphen@} [45] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mpThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:32nd Flag (up)@:35@:0@:2.34908@:12.06143@:0.27606@:2.34908@:0@:u5@}
[35]
@{char@:Numeral dot@:46@:0@:1.14186@:0@:1.14186@:1.14186@:0@:period@} [46]Failed to change locale.

w:212.3808
h:279.39174
@{char@:Numeral 0@:48@:0@:4.26447@:0@:5.61@:4.26447@:0@:zero@} [48]
@{char@:64th Flag (up)@:36@:0@:2.34908@:14.86644@:0.27606@:2.34908@:0@:u6@}
[36]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Sharp (3 beams)@:53@:0@:3.08553@:4.20752@:4.20752@:3.08553@:0@:sharp.sl
ashslashslash.stemstem@} [53]
w:197.93614
h:279.39174
@{char@:Numeral 1@:49@:0@:3.97443@:0@:5.61@:3.97443@:0@:one@} [49]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:128th Flag (up)@:37@:0@:2.34908@:17.67145@:0.27606@:2.34908@:0@:u7@}
[37])
w:212.3808
h:279.39174
@{char@:Numeral 2@:50@:0@:4.26447@:0@:5.61@:4.26447@:0@:two@} [50]
@{char@:8th Flag (down)@:38@:0@:3.01974@:0.27606@:8.05392@:3.01974@:0@:d3@}
[38])
w:193.07414
h:279.39174
@{char@:Numeral 3@:51@:0@:3.8768@:0@:5.61@:3.8768@:0@:three@} [51]
@{char@:1/2 Sharp (3 beams)@:54@:0@:2.66475@:3.64651@:3.64651@:2.66475@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:16th Flag (down) 3@:39@:0@:3.01974@:0.27606@:8.55518@:3.01974@:0@:d4@}
[39]
w:231.68896
h:279.39174
@{char@:Numeral 4@:52@:0@:4.65216@:0@:5.61@:4.65216@:0@:four@} [52]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan11.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads11.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:3/4 Sharp@:55@:0@:4.48804@:4.20752@:4.20752@:4.48804@:0@:sharp.slashsla
sh.stemstemstem@} [55]
w:195.48691
h:279.39174
@{char@:Numeral 5@:53@:0@:3.92525@:0@:5.61@:3.92525@:0@:five@} [53]
@{char@:32nd Flag (down)@:40@:0@:3.01974@:0.27606@:10.65894@:3.01974@:0@:d5@}
[40]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
w:196.93304
h:279.39174
@{char@:Numeral 6@:54@:0@:3.95428@:0@:5.61@:3.95428@:0@:six@} [54]Failed to change locale.

@{char@:Natural@:56@:0@:1.87001@:4.20752@:4.20752@:1.87001@:0@:natural@} [56]
w:192.30966
h:279.39174
@{char@:Numeral 7@:55@:0@:3.86145@:0@:5.61@:3.86145@:0@:seven@} [55]
@{char@:64th Flag (down)@:41@:0@:3.01974@:0.27606@:12.7627@:3.01974@:0@:d6@}
[41]
@{char@:Arrowed Natural (arrow up)@:57@:1.27414@:1.87001@:4.20752@:7.57352@:1.8
7001@:0@:natural.arrowup@} [57]
w:212.3808
h:279.39174
@{char@:Numeral 8@:56@:0@:4.26447@:0@:5.61@:4.26447@:0@:eight@} [56]
w:196.93304
h:279.39174
@{char@:Numeral 9@:57@:0@:3.95428@:0@:5.61@:3.95428@:0@:nine@} [57]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
@{char@:Arrowed Natural (arrow down)@:58@:0@:1.87001@:7.57352@:4.20752@:1.87001
@:0@:natural.arrowdown@} [58] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:128th Flag (down)@:42@:0@:3.01974@:0.27606@:15.5677@:3.01974@:0@:d7@}
[42]
@{char@:Space@:33@:0@:2.15987@:0@:3.2725@:2.15987@:0@:space@} [33]
@{char@:grace dash (up)@:43@:1.69133@:2.34908@:6.05882@:-2.80501@:2.34908@:0@:u
grace@} [43]))
@{char@:grace dash (down)@:44@:2.17422@:3.01974@:-2.77698@:5.7559@:3.01974@:0@:
dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:11.22@}
@{parameter@:stafflinethickness@:0.42471@}
@{parameter@:staff_space@:2.80501@}
@{parameter@:linethickness@:0.42471@}
@{parameter@:black_notehead_width@:3.66487@}
@{parameter@:ledgerlinethickness@:0.84943@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:dynamic z@:122@:0@:3.20705@:0@:2.94524@:3.20705@:0@:z@} [122]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.27414@:1.87001@:7.57352@:7.
57352@:1.87001@:0@:natural.arrowboth@} [59]
Font metrics written on feta-flags11.tfm.
12 output files written: feta-flags11.33 .. feta-flags11.44
Transcript written on feta-flags11.log.

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:dynamic f@:102@:0@:3.59978@:1.63626@:5.62872@:3.59978@:0@:f@} [102])
@{char@:dynamic s@:115@:0@:2.31802@:0@:3.2725@:2.31802@:0@:s@} [115])
@{char@:Flat@:60@:0.50966@:2.24402@:1.68303@:5.3295@:2.24402@:0@:flat@} [60]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-flags11
    font_weight:               Medium
    font_identifier:           feta11.22
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -89
    font_underline_thickness:  45
    font_name:                 feta-flags11
    font_unique_id:            4691798
    font_size:                 11.1780821917808 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=89.4607843137255; bpppix 0.02; nonstopmode; input feta-flags11.mf'"...

@{font@:GNU@:LilyPond@:parmesan@:11.22@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{font@:GNU@:LilyPond@:feta@:11.22@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:dynamic p@:112@:0@:4.09064@:1.63626@:3.2725@:4.09064@:0@:p@} [112]
@{char@:Arrowed Flat (arrow up)@:61@:1.46526@:2.24402@:1.68303@:7.57352@:2.2440
2@:0@:flat.arrowup@} [61]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:3.36603@:2.80501@:2.80501@:3.36603@:0@
:M3neomensural@} [33]
@{char@:Neo-mensural longa rest@:34@:0@:1.12201@:2.80501@:2.80501@:1.12201@:0@:
M2neomensural@} [34]
@{char@:dynamic m@:109@:0@:4.90877@:0@:3.2725@:4.90877@:0@:m@} [109]
@{char@:Neo-mensural breve rest@:35@:0@:1.12201@:0@:2.80501@:1.12201@:0@:M1neom
ensural@} [35]
@{char@:Arrowed Flat (arrow down)@:62@:1.46526@:2.24402@:6.17107@:5.3295@:2.244
02@:0@:flat.arrowdown@} [62]
@{char@:dynamic r@:114@:0@:2.45438@:0@:3.2725@:2.45438@:0@:r@} [114])
@{tnof@}) )
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.84943@:6.66296@:2.38428@:9.94987@:6.66296@:0@:uM2
@} [33]
@{char@:Neo-mensural whole rest@:36@:0@:1.12201@:1.75313@:0@:1.12201@:0@:0neome
nsural@} [36]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.46526@:2.24402@:6.17107@:7.5735
2@:2.24402@:0@:flat.arrowboth@} [63]
Font metrics written on feta-alphabet11.tfm.
21 output files written: feta-alphabet11.33 .. feta-alphabet11.122
Transcript written on feta-alphabet11.log.

@{char@:Neo-mensural half rest@:37@:0@:1.12201@:0@:1.75313@:1.12201@:0@:1neomen
sural@} [37]
@{char@:Neo-mensural 4th rest@:38@:0@:2.24402@:0@:2.24402@:2.24402@:0@:2neomens
ural@} [38]
@{char@:Longa notehead@:34@:0.84943@:6.66296@:9.94987@:2.38428@:6.66296@:0@:dM2
@} [34]
@{char@:Flat (slashed)@:64@:1.12198@:2.24402@:1.68303@:5.3295@:2.24402@:0@:flat
.slash@} [64]
@{char@:Neo-mensural 8th rest@:39@:0@:2.24402@:0@:2.24402@:2.24402@:0@:3neomens
ural@} [39]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-alphabet11
    font_weight:               Medium
    font_identifier:           feta-alphabet11.22
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -89
    font_underline_thickness:  45
    font_name:                 feta-alphabet11
    font_unique_id:            4195713
    font_size:                 11.1780821917808 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=89.4607843137255; bpppix 0.02; nonstopmode; input feta-alphabet11.mf'"...

@{char@:Neo-mensural 16th rest@:40@:0@:2.24402@:0@:2.80501@:2.24402@:0@:4neomen
sural@} [40]
@{char@:Flat (slashed twice)@:65@:1.12198@:2.24402@:1.68303@:5.3295@:2.24402@:0
@:flat.slashslash@} [65]
@{char@:Mensural maxima rest@:41@:0@:0.8415@:2.80501@:5.61002@:0.8415@:0@:M3men
sural@} [41]
@{char@:Mensural longa rest@:42@:0@:0.8415@:2.80501@:2.80501@:0.8415@:0@:M2mens
ural@} [42]
@{char@:Flatflat (mirrored)@:66@:0@:4.48804@:1.68303@:5.3295@:4.48804@:0@:mirro
redflat.flat@} [66]
@{char@:Mensural breve rest@:43@:0@:0.8415@:0@:2.80501@:0.8415@:0@:M1mensural@}
[43]
@{char@:Brevis notehead@:35@:0.84943@:6.66296@:2.38428@:2.38428@:6.66296@:0@:sM
1@} [35]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp
@{char@:Mensural whole rest@:44@:0@:0.8415@:1.75313@:0@:0.8415@:0@:0mensural@}
[44]
@{char@:Semi flat@:67@:0.50966@:2.24402@:1.68303@:5.3295@:2.24402@:0@:mirroredf
lat@} [67]
@{char@:Mensural half rest@:45@:0@:0.8415@:0@:1.75313@:0.8415@:0@:1mensural@}
[45] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Mensural 4th rest@:46@:0@:2.24402@:0@:2.24402@:2.24402@:0@:2mensural@}
[46]
@{char@:Semi flat@:68@:1.12198@:2.24402@:1.68303@:5.3295@:2.24402@:0@:mirroredf
lat.backslash@} [68]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Mensural 8th rest@:47@:0@:2.24402@:0@:2.24402@:2.24402@:0@:3mensural@}
[47]
@{char@:Mensural 16th rest@:48@:0@:2.24402@:0@:2.80501@:2.24402@:0@:4mensural@}
[48]
@{puorg@:rests@}
)) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Double Flat@:69@:0.50966@:4.06725@:1.68303@:5.3295@:4.06725@:0@:flatfla
t@} [69]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags11.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mfThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.40251@:2.24402@:2.24402@:1.40251@:0@:vatican
a.do@} [49]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:3/4 Flat@:70@:0.50966@:4.06725@:1.68303@:5.3295@:4.06725@:0@:flatflat.s
lash@} [70]
@{char@:Double-lined brevis notehead@:36@:1.94371@:7.75725@:2.38428@:2.38428@:7
.75725@:0@:sM1double@} [36])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Ed. Vat. do clef@:50@:0@:1.40251@:2.24402@:2.24402@:1.40251@:0@:vatican
a.do_change@} [50]
@{char@:Whole notehead@:37@:0@:5.26015@:1.61487@:1.61487@:5.26015@:0@:s0@}
[37])
@{char@:Double Sharp@:71@:0@:2.80501@:1.40251@:1.40251@:2.80501@:0@:doublesharp
@} [71]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{font@:GNU@:LilyPond@:feta@:11.22@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{char@:Right Parenthesis@:72@:0@:1.82722@:2.80501@:2.80501@:1.82722@:0@:rightp
aren@} [72])
@{char@:Left Parenthesis@:73@:1.82722@:0@:2.80501@:2.80501@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet11.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:2.62514@:8.55518@:0.27606@:2.62514@:0@:u3@} [33]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Half notehead@:38@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s1@}
[38]
@{char@:Ed. Vat. fa clef@:51@:0@:2.94527@:4.20752@:2.24402@:2.94527@:0@:vatican
a.fa@} [51]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{group@:arrowheads@}
@{char@:open@:74@:2.80501@:0.33978@:1.40251@:1.40251@:0.33978@:0@:open.01@}
[74] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:16th Flag (up)@:34@:0@:2.62514@:9.95769@:0.27606@:2.62514@:0@:u4@}
[34]
@{char@:Quarter notehead@:39@:0@:3.66487@:1.61487@:1.61487@:3.66487@:0.38857@:s
2@} [39]
@{char@:open@:75@:0.33978@:2.80501@:1.40251@:1.40251@:2.80501@:0@:open.0M1@}
[75])
@{char@:32nd Flag (up)@:35@:0@:2.34908@:12.06143@:0.27606@:2.34908@:0@:u5@}
[35]
@{char@:Ed. Vat. fa clef@:52@:0@:2.94527@:4.20752@:2.24402@:2.94527@:0@:vatican
a.fa_change@} [52]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:open@:76@:1.40251@:1.40251@:2.80501@:0.33978@:1.40251@:0@:open.11@}
[76]
@{char@:Whole diamondhead@:40@:0@:5.81354@:1.61487@:1.61487@:5.81354@:0@:s0diam
ond@} [40])
@{char@:open@:77@:1.40251@:1.40251@:0.33978@:2.80501@:1.40251@:0@:open.1M1@}
[77]
@{font@:GNU@:LilyPond@:feta-alphabet@:11.22@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
@{char@:Ed. Med. do clef@:53@:0@:2.80501@:4.20752@:4.20752@:2.80501@:0@:medicae
a.do@} [53]
@{char@:64th Flag (up)@:36@:0@:2.34908@:14.86644@:0.27606@:2.34908@:0@:u6@}
[36]
@{char@:close@:78@:2.80501@:0@:1.40251@:1.40251@:0@:0@:close.01@} [78]
@{char@:Ed. Med. do clef@:54@:0@:2.24402@:3.36603@:3.36603@:2.24402@:0@:medicae
a.do_change@} [54]
@{char@:Half diamondhead@:41@:0@:4.27702@:1.61487@:1.61487@:4.27702@:1.14165@:s
1diamond@} [41]
@{char@:Plus@:43@:0@:2.80501@:-1.4025@:4.2075@:2.80501@:0@:plus@} [43]
@{char@:128th Flag (up)@:37@:0@:2.34908@:17.67145@:0.27606@:2.34908@:0@:u7@}
[37]
@{char@:close@:79@:0@:2.80501@:1.40251@:1.40251@:2.80501@:0@:close.0M1@} [79]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:1.14186@:1.7128@:1.14186@:1.14186@:0@:comma@}
[44]
@{char@:8th Flag (down)@:38@:0@:3.01974@:0.27606@:8.05392@:3.01974@:0@:d3@}
[38]
@{char@:Ed. Med. fa clef@:55@:0@:4.76851@:4.20752@:4.20752@:4.76851@:0@:medicae
a.fa@} [55]
@{char@:close@:80@:1.40251@:1.40251@:2.80501@:0@:1.40251@:0@:close.11@} [80]
@{char@:Numeral dash@:45@:0@:1.87@:0@:5.61@:1.87@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:1.14186@:0@:1.14186@:1.14186@:0@:period@} [46]
@{char@:16th Flag (down) 3@:39@:0@:3.01974@:0.27606@:8.55518@:3.01974@:0@:d4@}
[39]
@{char@:close@:81@:1.40251@:1.40251@:0@:2.80501@:1.40251@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
)
@{char@:Quarter diamondhead@:42@:0@:4.33075@:1.61487@:1.61487@:4.33075@:1.16342
@:s2diamond@} [42] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{char@:32nd Flag (down)@:40@:0@:3.01974@:0.27606@:10.65894@:3.01974@:0@:d5@}
[40]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.19016@:0.59508@:0.59508@:1.19016@:0@:dot@} [82]
@{puorg@:dots@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:Ed. Med. fa clef@:56@:0@:3.81482@:3.36603@:3.36603@:3.81482@:0@:medicae
a.fa_change@} [56]
@{char@:64th Flag (down)@:41@:0@:3.01974@:0.27606@:12.7627@:3.01974@:0@:d6@}
[41]
@{group@:scripts@}
@{char@:fermata up@:83@:3.8248@:3.8248@:0.31854@:4.17542@:3.8248@:0@:ufermata@}
[83]
@{char@:fermata down@:84@:3.8248@:3.8248@:4.17542@:0.31854@:3.8248@:0@:dfermata
@} [84]
@{char@:128th Flag (down)@:42@:0@:3.01974@:0.27606@:15.5677@:3.01974@:0@:d7@}
[42]
w:212.3808
h:279.39174
@{char@:Numeral 0@:48@:0@:4.26447@:0@:5.61@:4.26447@:0@:zero@} [48]
@{char@:grace dash (up)@:43@:1.69133@:2.34908@:6.05882@:-2.80501@:2.34908@:0@:u
grace@} [43]
@{char@:Whole trianglehead@:43@:0@:6.97162@:2.62881@:2.20818@:6.97163@:0.42064@
:s0triangle@} [43]
@{char@:grace dash (down)@:44@:2.17422@:3.01974@:-2.77698@:5.7559@:3.01974@:0@:
dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:11.22@}
@{parameter@:stafflinethickness@:0.42471@}
@{parameter@:staff_space@:2.80501@}
@{parameter@:linethickness@:0.42471@}
@{parameter@:black_notehead_width@:3.66487@}
@{parameter@:ledgerlinethickness@:0.84943@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
w:197.93614
h:279.39174
@{char@:Numeral 1@:49@:0@:3.97443@:0@:5.61@:3.97443@:0@:one@} [49]
Font metrics written on feta-flags11.tfm.
12 output files written: feta-flags11.33 .. feta-flags11.44
Transcript written on feta-flags11.log.

@{char@:neo-mensural c clef@:57@:0@:8.1583@:5.61002@:5.61002@:8.1583@:0@:neomen
sural.c@} [57]
w:212.3808
h:279.39174
@{char@:Numeral 2@:50@:0@:4.26447@:0@:5.61@:4.26447@:0@:two@} [50]
w:193.07414
h:279.39174
@{char@:Numeral 3@:51@:0@:3.8768@:0@:5.61@:3.8768@:0@:three@} [51]
w:231.68896
h:279.39174
@{char@:Numeral 4@:52@:0@:4.65216@:0@:5.61@:4.65216@:0@:four@} [52]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:5.05164@:2.37593@:2.00201@:4.27448
@:2.02332@:d1triangle@} [44]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

w:195.48691
h:279.39174
@{char@:Numeral 5@:53@:0@:3.92525@:0@:5.61@:3.92525@:0@:five@} [53]
@{char@:short fermata up@:85@:2.80501@:2.80501@:0@:6.171@:2.80501@:0@:ushortfer
mata@} [85]
w:196.93304
h:279.39174
@{char@:Numeral 6@:54@:0@:3.95428@:0@:5.61@:3.95428@:0@:six@} [54]
@{char@:neo-mensural c clef@:58@:0@:6.52664@:4.48804@:4.48804@:6.52664@:0@:neom
ensural.c_change@} [58]
w:192.30966
h:279.39174
@{char@:Numeral 7@:55@:0@:3.86145@:0@:5.61@:3.86145@:0@:seven@} [55]
@{char@:short fermata down@:86@:2.80501@:2.80501@:6.171@:0@:2.80501@:0@:dshortf
ermata@} [86]
@{char@:long fermata up@:87@:3.50627@:3.50627@:0@:4.20752@:3.50627@:0@:ulongfer
mata@} [87]
w:212.3808
h:279.39174
@{char@:Numeral 8@:56@:0@:4.26447@:0@:5.61@:4.26447@:0@:eight@} [56]
w:196.93304
h:279.39174
@{char@:Numeral 9@:57@:0@:3.95428@:0@:5.61@:3.95428@:0@:nine@} [57])
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:5.05164@:2.37593@:2.00201@:5.05165@:
0.3739@:u1triangle@} [45]Failed to change locale.

@{char@:long fermata down@:88@:3.50627@:3.50627@:4.20752@:0@:3.50627@:0@:dlongf
ermata@} [88]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:petrucci c1 clef@:59@:0@:2.80501@:3.92699@:8.97601@:2.80501@:0@:petrucc
i.c1@} [59]Failed to change locale.

@{char@:Space@:33@:0@:2.15987@:0@:3.2725@:2.15987@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:3.20705@:0@:2.94524@:3.20705@:0@:z@} [122]
@{char@:petrucci c1 clef@:60@:0@:2.24402@:3.51239@:8.02837@:2.24402@:0@:petrucc
i.c1_change@} [60]
@{char@:dynamic f@:102@:0@:3.59978@:1.63626@:5.62872@:3.59978@:0@:f@} [102]
@{char@:Quarter trianglehead (upstem)@:46@:0@:4.2097@:2.37593@:2.00201@:4.2097@
:0.3739@:u2triangle@} [46]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:dynamic s@:115@:0@:2.31802@:0@:3.2725@:2.31802@:0@:s@} [115]
@{char@:dynamic p@:112@:0@:4.09064@:1.63626@:3.2725@:4.09064@:0@:p@} [112]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:petrucci c2 clef@:61@:0@:2.80501@:6.732@:8.97601@:2.80501@:0@:petrucci.
c2@} [61]Failed to change locale.

@{char@:Quarter trianglehead (downstem)@:47@:0@:4.2097@:2.37593@:2.00201@:3.562
07@:2.02332@:d2triangle@} [47]
@{char@:dynamic m@:109@:0@:4.90877@:0@:3.2725@:4.90877@:0@:m@} [109]
@{char@:Whole slashhead@:48@:0@:8.54276@:3.01736@:3.01736@:8.54276@:3.01736@:s0
slash@} [48]
@{char@:dynamic r@:114@:0@:2.45438@:0@:3.2725@:2.45438@:0@:r@} [114])
@{tnof@}) )
@{char@:Half slashhead@:49@:0@:6.66338@:3.01736@:3.01736@:6.66338@:3.01736@:s1s
lash@} [49]
Font metrics written on feta-alphabet11.tfm.
21 output files written: feta-alphabet11.33 .. feta-alphabet11.122
Transcript written on feta-alphabet11.log.

@{char@:Quarter slashhead@:50@:0@:4.89626@:3.01736@:3.01736@:4.89626@:3.01736@:
s2slash@} [50]
@{char@:petrucci c2 clef@:62@:0@:2.24402@:6.02126@:8.02837@:2.24402@:0@:petrucc
i.c2_change@} [62]Failed to change locale.

@{char@:Whole Crossed notehead@:51@:0@:5.36372@:1.82722@:1.82722@:5.36372@:0.62
354@:s0cross@} [51]
@{char@:very long fermata up@:89@:4.20752@:4.20752@:0@:4.48804@:4.20752@:0@:uve
rylongfermata@} [89]
@{char@:Half Crossed notehead@:52@:0@:4.5143@:1.72104@:1.72104@:4.5143@:0.6766@
:s1cross@} [52]Failed to change locale.
Failed to change locale.

@{char@:Crossed notehead@:53@:0@:3.66487@:1.61487@:1.61487@:3.66487@:1.07968@:s
2cross@} [53]
@{char@:X-Circled notehead@:54@:0@:4.35829@:1.92041@:1.92041@:4.35829@:0@:s2xci
rcle@} [54]
@{char@:very long fermata down@:90@:4.20752@:4.20752@:4.48804@:0@:4.20752@:0@:d
verylongfermata@} [90]
@{char@:Whole dohead@:55@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:s0do@
} [55]
@{char@:petrucci c3 clef@:63@:0@:2.80501@:8.97601@:8.97601@:2.80501@:0@:petrucc
i.c3@} [63]
@{char@:Half dohead@:56@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@:d1do@}
[56]
@{char@:Thumb@:91@:1.12201@:1.12201@:2.24403@:1.40251@:1.12201@:0@:thumb@}
[91]
@{char@:Half dohead@:57@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:u1do@}
[57]
@{char@:Quarter dohead@:58@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@:d2do
@} [58]
@{char@:> accent@:92@:2.52449@:2.52449@:1.40251@:1.40251@:2.52449@:0@:sforzato@
} [92]
@{char@:Quarter dohead@:59@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:u2d
o@} [59]
@{char@:petrucci c3 clef@:64@:0@:2.24402@:8.02837@:8.02837@:2.24402@:0@:petrucc
i.c3_change@} [64]
@{char@:espr@:93@:5.3295@:5.3295@:1.40251@:1.40251@:5.3295@:0@:espr@} [93]
@{char@:Whole thin dohead@:60@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:
s0doThin@} [60]
@{char@:staccato dot@:94@:0.56099@:0.56099@:0.56099@:0.56099@:0.56099@:0@:stacc
ato@} [94]
@{char@:Half thin dohead@:61@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@:d1
doThin@} [61]
@{char@:staccatissimo/martellato up@:95@:0.70523@:0.70523@:0.2@:2.94925@:0.7052
3@:0@:ustaccatissimo@} [95]
@{char@:Half thin dohead@:62@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:u
1doThin@} [62]
@{char@:staccatissimo/martellato down@:96@:0.70523@:0.70523@:2.94925@:0.2@:0.70
523@:0@:dstaccatissimo@} [96]Failed to change locale.

@{char@:Quarter thin dohead@:63@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@
:d2doThin@} [63]
@{char@:portato/single tenuto@:97@:1.68303@:1.68303@:0.33978@:0.33978@:1.68303@
:0@:tenuto@} [97]
@{char@:petrucci c4 clef@:65@:0@:2.80501@:8.97601@:6.732@:2.80501@:0@:petrucci.
c4@} [65]
@{char@:Quarter thin dohead@:64@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778
@:u2doThin@} [64]
@{char@:portato/tenuto with staccato@:98@:1.68303@:1.68303@:0.2973@:2.02437@:1.
68303@:0@:uportato@} [98]
@{char@:Whole rehead@:65@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:s0re@
} [65]
@{char@:portato/tenuto with staccato@:99@:1.68303@:1.68303@:2.02437@:0.2973@:1.
68303@:0@:dportato@} [99]
@{char@:Half up rehead@:66@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:u1r
e@} [66]
@{char@:petrucci c4 clef@:66@:0@:2.24402@:8.02837@:6.02126@:2.24402@:0@:petrucc
i.c4_change@} [66]
@{char@:marcato up@:100@:1.40251@:1.40251@:0@:3.08553@:1.40251@:0@:umarcato@}
[100]
@{char@:Half down rehead@:67@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.47606@:
d1re@} [67]
@{char@:marcato down@:101@:1.40251@:1.40251@:3.08553@:0@:1.40251@:0@:dmarcato@}
[101]
@{char@:Quarter up rehead@:68@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:
u2re@} [68]
@{char@:petrucci c5 clef@:67@:0@:2.80501@:8.97601@:3.92699@:2.80501@:0@:petrucc
i.c5@} [67]
@{char@:open (unstopped)@:102@:1.12201@:1.12201@:1.40251@:1.40251@:1.12201@:0@:
open@} [102]
@{char@:Quarter down rehead@:69@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.4760
6@:d2re@} [69]
@{char@:Whole thin rehead@:70@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:
s0reThin@} [70]
@{char@:halfopen (unstopped)@:103@:1.12201@:1.12201@:1.40251@:1.40251@:1.12201@
:0@:halfopen@} [103]
@{char@:Half up thin rehead@:71@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606
@:u1reThin@} [71]
@{char@:petrucci c5 clef@:68@:0@:2.24402@:8.02837@:3.51239@:2.24402@:0@:petrucc
i.c5_change@} [68]
@{char@:halfopen vertical@:104@:1.12201@:1.12201@:1.40251@:1.40251@:1.12201@:0@
:halfopenvertical@} [104]
@{char@:mensural c clef@:69@:0@:3.3996@:6.171@:6.171@:3.3996@:0@:mensural.c@}
[69]
@{char@:Half down thin rehead@:72@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.47
606@:d1reThin@} [72]
@{char@:plus (stopped)@:105@:1.54277@:1.54277@:1.54277@:1.54277@:1.54277@:0@:st
opped@} [105]
@{char@:Quarter thin rehead@:73@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606
@:u2reThin@} [73]
@{char@:mensural c clef@:70@:0@:2.83861@:4.93683@:4.93683@:2.83861@:0@:mensural
.c_change@} [70]
@{char@:Quarter thin rehead@:74@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.4760
6@:d2reThin@} [74]
@{char@:Upbow@:106@:1.82326@:1.82326@:0@:5.83444@:1.82326@:0@:upbow@} [106]
@{char@:black mensural c clef@:71@:0@:3.3996@:6.171@:6.171@:3.3996@:0@:blackmen
sural.c@} [71]
@{char@:Downbow@:107@:2.10376@:2.10376@:0@:3.73999@:2.10376@:0@:downbow@} [107]

@{char@:black mensural c clef@:72@:0@:2.83861@:4.93683@:4.93683@:2.83861@:0@:bl
ackmensural.c_change@} [72]@{char@:Reverse turn@:108@:3.06798@:3.06798@:1.485@:1.485@:3.06798@:0@:reverset
urn@} [108]
@{char@:Whole mihead@:75@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s0mi@}
[75]
@{char@:Turn@:109@:3.06798@:3.06798@:1.485@:1.485@:3.06798@:0@:turn@} [109]
@{char@:petrucci f clef@:73@:0@:5.45972@:12.62254@:7.01253@:5.45972@:0@:petrucc
i.f@} [73]
@{char@:Trill (`tr')@:110@:2.38428@:2.38428@:0@:5.89047@:2.38428@:0@:trill@}
[110]
@{char@:Half mihead@:76@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s1mi@} [76]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-flags11.pt1 feta-flags11.pfb"...

@{char@:left heel@:111@:1.40251@:1.40251@:1.40251@:1.87001@:1.40251@:0@:upedalh
eel@} [111]
@{char@:Quarter mihead@:77@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s2mi@}
[77]
@{char@:right heel@:112@:1.40251@:1.40251@:1.87001@:1.40251@:1.40251@:0@:dpedal
heel@} [112]
@{char@:left toe@:113@:1.40251@:1.40251@:0@:4.20752@:1.40251@:0@:upedaltoe@}
[113]
@{char@:petrucci f clef@:74@:0@:4.36778@:10.09807@:5.61005@:4.36778@:0@:petrucc
i.f_change@} [74]
@{char@:right toe@:114@:1.40251@:1.40251@:4.20752@:0@:1.40251@:0@:dpedaltoe@}
[114]Failed to change locale.

@{char@:Whole mirror mihead@:78@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s0mi
Mirror@} [78]
@{char@:Flageolet@:115@:1.496@:1.496@:1.496@:1.496@:1.496@:0@:flageolet@} [115]
@{char@:Segno@:116@:2.80501@:2.80501@:4.20752@:4.20752@:2.80501@:0@:segno@}
[116]
@{char@:Half  mirror mihead@:79@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s1mi
Mirror@} [79]
@{char@:mensural f clef@:75@:0@:3.366@:1.683@:1.683@:3.366@:0@:mensural.f@}
[75]
@{char@:Varied Segno@:117@:3.50627@:3.50627@:11.22003@:11.22003@:3.50627@:0@:va
rsegno@} [117]
@{char@:Quarter mirror mihead@:80@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s2
miMirror@} [80]
Invoking "fontforge -script feta-flags11.pe feta-flags11.pfb"...

@{char@:Whole thin mihead@:81@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s0miTh
in@} [81]
@{char@:Coda@:118@:2.85178@:2.85178@:3.78677@:3.78677@:2.85178@:0@:coda@} [118]

@{char@:mensural f clef@:76@:0@:2.69281@:1.3464@:1.3464@:2.69281@:0@:mensural.f
_change@} [76]
@{char@:Half thin mihead@:82@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s1miThi
n@} [82]@{char@:Varied Coda@:119@:2.99597@:2.99597@:3.93097@:3.93097@:2.99597@:0@:varco
da@} [119]
@{char@:Right Comma@:120@:0@:1.40251@:1.68303@:1.68303@:1.40251@:0@:rcomma@}
[120]
@{char@:Left Comma@:121@:1.40251@:0@:1.68303@:1.68303@:0@:0@:lcomma@} [121]
@{char@:Quarter thin mihead@:83@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s2mi
Thin@} [83]
@{char@:Right Varied Comma@:122@:0.70125@:0.70125@:1.68303@:1.68303@:0.70125@:0
@:rvarcomma@} [122]
@{char@:Whole fa up head@:84@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u0fa@}
[84]
@{char@:Whole fa down head@:85@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d0fa@
} [85]
@{char@:Left Varied Comma@:123@:0.70125@:0.70125@:1.68303@:1.68303@:0.70125@:0@
:lvarcomma@} [123]
@{char@:half fa up head@:86@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u1fa@}
[86]
@{char@:Arpeggio@:124@:0@:2.24402@:0@:2.80501@:2.24402@:0@:arpeggio@} [124]
@{char@:Trill_element@:125@:0@:2.80501@:0@:2.24402@:2.80501@:0@:trill_element@}
[125]
@{char@:Arpeggio arrow down@:126@:0@:2.24402@:0@:2.80501@:2.24402@:0@:arpeggio.
arrow.M1@} [126]
@{char@:Half fa down head@:87@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d1fa@}
[87]
@{char@:petrucci g clef@:77@:0@:3.50626@:1.82324@:10.65904@:3.50626@:0@:petrucc
i.g@} [77]
@{char@:Arpeggio arrow up@:127@:0@:2.24402@:0@:2.80501@:2.24402@:0@:arpeggio.ar
row.1@} [127]
@{char@:Quarter fa up head@:88@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u2fa@
} [88]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:Quarter fa down head@:89@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d2f
a@} [89]
@{char@:trilelement@:128@:1.16876@:1.16876@:1.40251@:1.40251@:1.16876@:0@:trile
lement@} [128]
@{char@:Whole thin fa up head@:90@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u0
faThin@} [90]
@{char@:Whole thin fa down head@:91@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:
d0faThin@} [91]
@{char@:half thin fa up head@:92@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u1f
aThin@} [92]
@{char@:Half thin fa down head@:93@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d
1faThin@} [93]
@{char@:prall@:129@:2.33751@:2.33751@:1.40251@:1.40251@:2.33751@:0@:prall@}
[129]
@{char@:Quarter thin fa up head@:94@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:
u2faThin@} [94]
@{char@:Quarter thin fa down head@:95@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0
@:d2faThin@} [95]
@{char@:mordent@:130@:2.33751@:2.33751@:1.87001@:1.87001@:2.33751@:0@:mordent@}
[130]
@{char@:Whole solhead@:96@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s0sol@
} [96]
@{char@:Half solhead@:97@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s1sol@}
[97]
@{char@:Quarter solhead@:98@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s2so
l@} [98]
@{char@:Whole lahead@:99@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s0la@}
[99]
@{char@:Half lahead@:100@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s1la@}
[100]
@{char@:Quarter lahead@:101@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s2la@}
[101]
@{char@:Whole thin lahead@:102@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s0laT
hin@} [102]
@{char@:prallprall@:131@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:prallp
rall@} [131]
@{char@:Half thin lahead@:103@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s1laTh
in@} [103]
@{char@:petrucci g clef@:78@:0@:2.80502@:1.4586@:8.52728@:2.80502@:0@:petrucci.
g_change@} [78]
@{char@:Quarter lahead@:104@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s2laThin
@} [104]
@{char@:Whole up tihead@:105@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.33324@:s
0ti@} [105]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Half up tihead@:106@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.33324@:u1
ti@} [106]
@{char@:Half down tihead@:107@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.33324@
:d1ti@} [107]
@{char@:prallmordent@:132@:3.50627@:3.50627@:1.87001@:1.87001@:3.50627@:0@:pral
lmordent@} [132]
@{char@:Quarter up tihead@:108@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.33324@
:u2ti@} [108]
@{char@:upprall@:133@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:upprall@}
[133]
@{char@:Quarter down tihead@:109@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.333
24@:d2ti@} [109]Failed to change locale.

@{char@:upmordent@:134@:3.50627@:3.50627@:1.87001@:1.87001@:3.50627@:0@:upmorde
nt@} [134]
@{char@:Whole thin up tihead@:110@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.333
24@:s0tiThin@} [110]
@{char@:pralldown@:135@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:pralldo
wn@} [135]
@{char@:Half thin up tihead@:111@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.3332
4@:u1tiThin@} [111]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Half thin down tihead@:112@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.3
3324@:d1tiThin@} [112]
@{char@:Quarter thin up tihead@:113@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.3
3324@:u2tiThin@} [113]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:downprall@:136@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:downpra
ll@} [136]
@{char@:Quarter thin down tihead@:114@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-
0.33324@:d2tiThin@} [114]
@{char@:downmordent@:137@:3.50627@:3.50627@:1.87001@:1.87001@:3.50627@:0@:downm
ordent@} [137]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-alphabet11.pt1 feta-alphabet11.pfb"...

@{char@:Whole up Funk dohead@:115@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
doFunk@} [115]
@{char@:prallup@:138@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:prallup@}
[138]
@{char@:Whole down Funk dohead@:116@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0doFunk@} [116]
@{char@:Half up Funk dohead@:117@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1d
oFunk@} [117]Failed to change locale.
Failed to change locale.

@{char@:lineprall@:139@:3.50627@:3.50627@:1.40251@:5.61005@:3.50627@:0@:linepra
ll@} [139])Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Half down Funk dohead@:118@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1doFunk@} [118]
@{char@:mensural g clef@:79@:0@:3.50626@:1.82324@:10.65904@:3.50626@:0@:mensura
l.g@} [79]
@{char@:Quarter up Funk dohead@:119@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2doFunk@} [119]
@{char@:Curved caesura@:140@:0@:5.61002@:2.24402@:3.366@:5.61002@:0@:caesura.cu
rved@} [140]
@{char@:Quarter down Funk dohead@:120@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2doFunk@} [120]
Invoking "fontforge -script feta-alphabet11.pe feta-alphabet11.pfb"...

@{char@:Straight caesura@:141@:0@:5.61002@:2.24402@:3.366@:5.61002@:0@:caesura.
straight@} [141]
@{char@:Whole up Funk rehead@:121@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
reFunk@} [121]
@{char@:Whole down Funk rehead@:122@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0reFunk@} [122]
@{char@:Tick mark@:142@:1.68303@:3.08548@:0@:4.76851@:3.08548@:0@:tickmark@}
[142]
@{char@:Half up Funk rehead@:123@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1r
eFunk@} [123]Failed to change locale.

@{char@:Half down Funk rehead@:124@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1reFunk@} [124]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:1.496@:1.496@:1.496@:2.244@:1.4
96@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:Quarter up Funk rehead@:125@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2reFunk@} [125]
@{char@:Quarter down Funk rehead@:126@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2reFunk@} [126]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:7.77383@:5.61002@:5.61002@:7.77383@:0@:C@} [144]
@{char@:Whole up Funk mihead@:127@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:u0
miFunk@} [127]
@{char@:Whole down Funk mihead@:128@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:
d0miFunk@} [128]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:6.30403@:4.48804@:4.48804@:6.30403@:0@:C_change@} [145]

@{char@:Half up Funk mihead@:129@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:u1m
iFunk@} [129]@{char@:F clef @:146@:0@:7.5268@:7.01253@:2.80501@:7.5268@:0@:F@} [146]
@{char@:mensural g clef@:80@:0@:2.80502@:1.4586@:8.52728@:2.80502@:0@:mensural.
g_change@} [80]
@{char@:Half down Funk mihead@:130@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:d
1miFunk@} [130]
@{char@:F clef (reduced)@:147@:0@:6.02145@:5.61005@:2.24402@:6.02145@:0@:F_chan
ge@} [147]
@{char@:Quarter Funk mihead@:131@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s2m
iFunk@} [131]
@{char@:Hufnagel do clef@:81@:0@:3.08553@:1.9635@:2.10376@:3.08553@:0@:hufnagel
.do@} [81]
@{char@:Whole up Funk fahead@:132@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
faFunk@} [132]Failed to change locale.
Failed to change locale.

@{char@:Hufnagel do clef@:82@:0@:2.46843@:1.5708@:1.68301@:2.46843@:0@:hufnagel
.do_change@} [82]
@{char@:Whole down Funk fahead@:133@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0faFunk@} [133]
@{char@:G clef@:148@:0@:7.1949@:7.15279@:13.46405@:7.1949@:0@:G@} [148]
@{char@:Half up Funk fahead@:134@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1f
aFunk@} [134]
@{char@:Hufnagel fa clef@:83@:0@:3.366@:3.22574@:2.80501@:3.366@:0@:hufnagel.fa
@} [83]
@{char@:G clef@:149@:0@:5.75595@:5.72226@:11.12718@:5.75595@:0@:G_change@}
[149]
@{char@:Half down Funk fahead@:135@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1faFunk@} [135]Failed to change locale.

@{char@:Hufnagel fa clef@:84@:0@:2.69281@:2.58061@:2.24402@:2.69281@:0@:hufnage
l.fa_change@} [84]
@{char@:Quarter up Funk fahead@:136@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2faFunk@} [136]Failed to change locale.

@{char@:percussion clef@:150@:-1.87935@:5.61002@:2.80501@:2.80501@:5.61002@:0@:
percussion@} [150]
@{char@:Quarter down Funk fahead@:137@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2faFunk@} [137]
@{char@:percussion clef (reduced)@:151@:-1.5035@:4.48804@:2.24402@:2.24402@:4.4
8804@:0@:percussion_change@} [151]
@{char@:Hufnagel do/fa clef@:85@:0@:3.366@:8.83575@:2.10376@:3.366@:0@:hufnagel
.do.fa@} [85]
@{char@:Whole Funk solhead@:138@:0@:2.54254@:1.19016@:1.19016@:2.54254@:0.1888@
:s0solFunk@} [138]
@{char@:tab clef@:152@:-0.56099@:7.85403@:8.07848@:8.07848@:7.85403@:0@:tab@}
[152]
@{char@:Half Funk solhead@:139@:0@:2.54254@:1.19016@:1.19016@:2.54254@:0.1888@:
s1solFunk@} [139]
@{char@:Hufnagel do/fa clef@:86@:0@:2.69281@:8.19063@:1.68301@:2.69281@:0@:hufn
agel.do.fa_change@} [86]
@{char@:Quarter Funk solhead@:140@:0@:2.54254@:1.19016@:1.19016@:2.54254@:0.188
8@:s2solFunk@} [140]
@{char@:tab clef (reduced)@:153@:-0.44879@:6.28326@:6.46281@:6.46281@:6.28326@:
0@:tab_change@} [153]
@{char@:Kievan tsefaut clef@:87@:0@:4.20752@:6.31126@:1.54277@:4.20752@:0@:kiev
an.do@} [87]
@{puorg@:clefs@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:Whole Funk lahead@:141@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0laF
unk@} [141]
@{char@:Kievan tsefaut clef@:88@:0@:4.20752@:6.31126@:1.54277@:4.20752@:0@:kiev
an.do_change@} [88]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:Half Funk lahead@:142@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s1laFu
nk@} [142]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:4.62431@:2.80501@:2.80501@:4.62431@:0@:C44@} [154]
@{char@:Quarter Funk lahead@:143@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s2l
aFunk@} [143]
*** Successfully generated feta-flags11.pfb! ***

@{char@:2/2 meter@:155@:0@:4.62431@:2.80501@:2.80501@:4.62431@:0@:C22@} [155]
@{puorg@:timesig@}
)@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:1.93785@:1.61487@:2.80501@:1.93785@:0@:hufnagel
.u0@} [89] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:Whole up Funk tihead@:144@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
tiFunk@} [144]
@{char@:Whole down Funk tihead@:145@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0tiFunk@} [145]
@{char@:Custos Hufnagel@:90@:0@:1.93785@:1.61487@:4.20752@:1.93785@:0@:hufnagel
.u1@} [90]
@{char@:Half up Funk tihead@:146@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1t
iFunk@} [146]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:4.36334@:0@:4.36334@:4.36334@:0@:*@} [156]
@{char@:Half down Funk tihead@:147@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1tiFunk@} [147]
@{char@:Pedal dash@:157@:0@:2.96191@:0@:3.20572@:2.96191@:0@:M@} [157]
@{char@:Custos Hufnagel@:91@:0@:1.93785@:1.61487@:3.50626@:1.93785@:0@:hufnagel
.u2@} [91]
@{char@:Quarter up Funk tihead@:148@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2tiFunk@} [148]
@{char@:Pedal dot@:158@:0@:0.9873@:0@:0.9873@:0.9873@:0@:.@} [158]
@{char@:Quarter down Funk tihead@:149@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2tiFunk@} [149]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Reverse Custos Hufnagel@:92@:0@:1.93785@:2.80501@:1.61487@:1.93785@:0@:
hufnagel.d0@} [92]
@{char@:Pedal P@:159@:0@:4.67502@:0@:5.61002@:4.67502@:0@:P@} [159]
@{char@:Whole Walker dohead@:150@:0@:2.74866@:1.19016@:1.19016@:1.6505@:0.91415
@:s0doWalker@} [150]( echo ./out/parmesan-noteheads11.pfb:  > out/parmesan-noteheads11.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan-noteheads11.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan-noteheads11 --fullname=parmesan-noteheads11 --name=parmesan-noteheads11 parmesan-noteheads11.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Pedal d@:160@:0@:3.74@:0@:4.90877@:3.74@:0@:d@} [160]
@{char@:Half up Walker dohead@:151@:0@:2.74866@:1.19016@:1.19016@:1.6505@:0.914
15@:u1doWalker@} [151]
@{char@:Pedal e@:161@:0@:2.244@:0@:3.20572@:2.244@:0@:e@} [161]
@{char@:Half down Walker dohead@:152@:0@:2.74866@:1.19016@:1.19016@:1.6505@:0.9
1415@:d1doWalker@} [152]
@{char@:Quarter up Walker dohead@:153@:0@:2.74866@:1.19016@:1.19016@:1.6505@:0.
91415@:u2doWalker@} [153]
@{char@:Pedal Ped@:162@:0@:8.95358@:0@:5.61002@:8.95358@:0@:Ped@} [162]
@{puorg@:pedal@}
)
@{char@:Reverse Custos Hufnagel@:93@:0@:1.93785@:4.20752@:1.61487@:1.93785@:0@:
hufnagel.d1@} [93]
@{char@:Quarter down Walker dohead@:154@:0@:2.74866@:1.19016@:1.19016@:1.6505@:
0.91415@:d2doWalker@} [154]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Reverse Custos Hufnagel@:94@:0@:1.93785@:3.50626@:1.61487@:1.93785@:0@:
hufnagel.d2@} [94]
@{char@:Whole Walker rehead@:155@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0r
eWalker@} [155]
@{char@:Custos Med.@:95@:0@:0.80743@:1.61487@:2.80501@:0.80743@:0@:medicaea.u0@
} [95] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:Half up Walker rehead@:156@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u
1reWalker@} [156]
@{char@:Half down Walker rehead@:157@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@
:d1reWalker@} [157]
@{char@:Custos Med.@:96@:0@:0.80743@:1.61487@:4.20752@:0.80743@:0@:medicaea.u1@
} [96]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:5.3295@:0.63112@:3.83725@:5.3295@:0@:up@} [163]

@{char@:Quarter up Walker rehead@:158@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:u2reWalker@} [158]
@{char@:Quarter down Walker rehead@:159@:0@:2.74866@:1.19016@:1.19016@:2.74866@
:0@:d2reWalker@} [159]@{char@:bracket tip down@:164@:0@:5.3295@:3.83725@:0.63112@:5.3295@:0@:down@}
[164]
@{puorg@:brackettips@}
)Failed to change locale.

@{char@:Custos Med.@:97@:0@:0.80743@:1.61487@:3.50626@:0.80743@:0@:medicaea.u2@
} [97]
@{char@:Whole Walker mihead@:160@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s0m
iWalker@} [160] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:Reverse Custos Med.@:98@:0@:0.80743@:2.80501@:1.61487@:0.80743@:0@:medi
caea.d0@} [98]
@{char@:Half Walker mihead@:161@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s1mi
Walker@} [161]
@{group@:accordion@}
@{char@:accordion register discant@:165@:4.48358@:4.48358@:0.19325@:8.60829@:4.
48358@:0@:discant@} [165]
@{char@:Reverse Custos Med.@:99@:0@:0.80743@:4.20752@:1.61487@:0.80743@:0@:medi
caea.d1@} [99]
@{char@:Quarter Walker mihead@:162@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s
2miWalker@} [162]
@{char@:accordion register dot@:166@:0.70126@:0.70126@:0.70126@:0.70126@:0.7012
6@:0@:dot@} [166]
@{char@:accordion register freebass@:167@:3.08107@:3.08107@:0.19325@:5.80327@:3
.08107@:0@:freebass@} [167]
@{char@:Whole Walker fahead@:163@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0f
aWalker@} [163]
@{char@:Reverse Custos Med.@:100@:0@:0.80743@:3.50626@:1.61487@:0.80743@:0@:med
icaea.d2@} [100]
@{char@:Half up Walker fahead@:164@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u
1faWalker@} [164]
@{char@:accordion register stdbass@:168@:5.88608@:5.88608@:0.19325@:11.41328@:5
.88608@:0@:stdbass@} [168]
@{char@:Custos Ed. Vat.@:101@:0@:0.77515@:1.00127@:2.80501@:0.77515@:0@:vatican
a.u0@} [101]Failed to change locale.

@{char@:accordion register bayanbass@:169@:3.08107@:3.08107@:0.27606@:8.69109@:
3.08107@:0@:bayanbass@} [169]
@{char@:Half down Walker fahead@:165@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@
:d1faWalker@} [165]
@{char@:Quarter up Walker fahead@:166@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:u2faWalker@} [166]
@{char@:Quarter down Walker fahead@:167@:0@:2.74866@:1.19016@:1.19016@:2.74866@
:0@:d2faWalker@} [167]
@{char@:accordion oldEE@:170@:3.08107@:3.08107@:0@:5.9965@:3.08107@:0@:oldEE@}
[170]
@{char@:Whole Walker lahead@:168@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0l
aWalker@} [168]
@{char@:Custos Ed. Vat.@:102@:0@:0.77515@:1.00127@:4.20752@:0.77515@:0@:vatican
a.u1@} [102]Failed to change locale.

@{char@:Half Funk lahead@:169@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s1laWa
lker@} [169]
@{char@:accordion push@:171@:2.75362@:0@:0@:6.88416@:0@:0@:push@} [171]
@{char@:Custos Ed. Vat.@:103@:0@:0.77515@:1.00127@:3.50626@:0.77515@:0@:vatican
a.u2@} [103]
@{char@:accordion pull@:172@:2.18864@:0.56497@:0@:6.88416@:0.56497@:0@:pull@}
[172]
@{puorg@:accordion@}
)
@{char@:Quarter Funk lahead@:170@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s2l
aWalker@} [170]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:0.77515@:2.80501@:1.00127@:0.77515@:0@
:vaticana.d0@} [104]( echo ./out/feta13.pfb:  > out/feta13.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta13.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta13 --fullname=feta13 --name=feta13 feta13.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:Whole Walker tihead@:171@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0t
iWalker@} [171]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:0.77515@:4.20752@:1.00127@:0.77515@:0@
:vaticana.d1@} [105]
@{char@:Half up Walker tihead@:172@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u
1tiWalker@} [172]
@{char@:Half down Walker tihead@:173@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@
:d1tiWalker@} [173]
@{char@:Quarter up Walker tihead@:174@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:u2tiWalker@} [174]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:1.77647@:0@:0@:0@:lyric.short@} [173]
@{char@:Default lyric tie@:174@:0@:0@:1.83879@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{char@:Quarter down Walker tihead@:175@:0@:2.74866@:1.19016@:1.19016@:2.74866@
:0@:d2tiWalker@} [175]
@{parameter@:staffsize@:11.22@}
@{parameter@:stafflinethickness@:0.42471@}
@{parameter@:staff_space@:2.80501@}
@{parameter@:linethickness@:0.42471@}
@{parameter@:black_notehead_width@:3.66487@}
@{parameter@:ledgerlinethickness@:0.84943@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:11.22@}
@{parameter@:stafflinethickness@:0.42471@}
@{parameter@:staff_space@:2.80501@}
@{parameter@:linethickness@:0.42471@}
@{parameter@:black_notehead_width@:3.66487@}
@{parameter@:ledgerlinethickness@:0.84943@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-noteheads11.tfm.
143 output files written: feta-noteheads11.33 .. feta-noteheads11.175
Transcript written on feta-noteheads11.log.

(some charht values had to be adjusted by as much as 0.25249pt)
(some chardp values had to be adjusted by as much as 0.20262pt)
Font metrics written on feta11.tfm.
142 output files written: feta11.33 .. feta11.174
Transcript written on feta11.log.

@{char@:Reverse Custos Ed. Vat.@:106@:0@:0.77515@:3.50626@:1.00127@:0.77515@:0@
:vaticana.d2@} [106]( echo ./out/feta14.pfb:  > out/feta14.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta14.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta14 --fullname=feta14 --name=feta14 feta14.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Custos Mensural@:107@:0@:3.87566@:1.06581@:5.61002@:3.87566@:0@:mensura
l.u0@} [107]
@{char@:Custos Mensural@:108@:0@:3.87566@:1.06581@:7.01253@:3.87566@:0@:mensura
l.u1@} [108]
@{char@:Custos Mensural@:109@:0@:3.87566@:1.06581@:6.31126@:3.87566@:0@:mensura
l.u2@} [109]
@{char@:Reverse Custos Mensural@:110@:0@:3.87566@:5.61002@:1.06581@:3.87566@:0@
:mensural.d0@} [110]
@{char@:Reverse Custos Mensural@:111@:0@:3.87566@:7.01253@:1.06581@:3.87566@:0@
:mensural.d1@} [111]( echo ./out/feta16.pfb:  > out/feta16.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta16.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta16 --fullname=feta16 --name=feta16 feta16.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Reverse Custos Mensural@:112@:0@:3.87566@:6.31126@:1.06581@:3.87566@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-noteheads11
    font_weight:               Medium
    font_identifier:           feta11.22
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -89
    font_underline_thickness:  45
    font_name:                 feta-noteheads11
    font_unique_id:            4822800
    font_size:                 11.1780821917808 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=89.4607843137255; bpppix 0.02; nonstopmode; input feta-noteheads11.mf'"...

mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta11
    font_weight:               Medium
    font_identifier:           feta11.22
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -89
    font_underline_thickness:  45
    font_name:                 feta11
    font_unique_id:            4974374
    font_size:                 11.1780821917808 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=89.4607843137255; bpppix 0.02; nonstopmode; input feta11.mf'"...

@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.28052@:1.68303@:1.68303@:2.80501@:1.68303@:0@:med
icaeaM1@} [113]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Ed. Vat. Flat@:114@:0.10619@:1.5087@:0.95369@:2.55257@:1.5087@:0@:vatic
anaM1@} [114](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Ed. Vat. Natural@:115@:0.16988@:1.29185@:2.13179@:2.13179@:1.29185@:0@:
vaticana0@} [115]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
( echo ./out/feta18.pfb:  > out/feta18.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta18.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta18 --fullname=feta18 --name=feta18 feta18.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Mensural Sharp@:116@:1.06746@:1.62845@:1.29185@:1.29185@:1.62845@:0@:me
nsural1@} [116])
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads11.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Mensural Flat@:117@:0.31854@:1.44052@:1.01979@:5.36757@:1.44052@:0@:men
suralM1@} [117]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:11.22@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta11.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.84943@:6.66296@:2.38428@:9.94987@:6.66296@:0@:uM2
@} [33] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:11.22@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{char@:Longa notehead@:34@:0.84943@:6.66296@:9.94987@:2.38428@:6.66296@:0@:dM2
@} [34]
@{group@:rests@}
@{char@:whole rest@:33@:0@:4.20752@:1.75313@:0@:4.20752@:0@:0@} [33]
@{char@:Hufnagel Flat@:118@:0.42471@:1.82722@:1.05386@:5.26138@:1.82722@:0@:huf
nagelM1@} [118]
@{char@:half rest@:34@:0@:4.20752@:0@:1.75313@:4.20752@:0@:1@} [34]
@{char@:Kievan sharp@:119@:0@:4.48804@:4.48804@:4.48804@:4.48804@:0@:kievan1@}
[119]
@{char@:whole rest (outside staff)@:35@:0@:4.20752@:1.75313@:0.42471@:4.20752@:
0@:0o@} [35]
@{char@:Kievan flat@:120@:0@:2.80501@:2.80501@:5.04903@:2.80501@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:Brevis notehead@:35@:0.84943@:6.66296@:2.38428@:2.38428@:6.66296@:0@:sM
1@} [35]
@{char@:half rest (outside staff)@:36@:0@:4.20752@:0.42471@:1.75313@:4.20752@:0
@:1o@} [36]
@{char@:maxima rest@:37@:0@:5.049@:2.80501@:2.80501@:5.049@:0@:M3@} [37]
@{char@:longa rest@:38@:0@:1.683@:2.80501@:2.80501@:1.683@:0@:M2@} [38]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:1.68303@:5.61002@:0.28052@:1.68303@:0@:
mensuralu03@} [121]
@{char@:breve rest@:39@:0@:1.683@:0@:2.80501@:1.683@:0@:M1@} [39]
@{char@:Double-lined brevis notehead@:36@:1.94371@:7.75725@:2.38428@:2.38428@:7
.75725@:0@:sM1double@} [36]
@{char@:8th Mensural Flag (up)@:122@:0@:1.68303@:4.20752@:0.28052@:1.68303@:0@:
mensuralu13@} [122]
@{char@:breve rest (outside staff)@:40@:0@:1.683@:0.42471@:2.80501@:1.683@:0@:M
1o@} [40]
@{char@:Whole notehead@:37@:0@:5.26015@:1.61487@:1.61487@:5.26015@:0@:s0@}
[37]
@{char@:8th Mensural Flag (up)@:123@:0@:1.68303@:4.90877@:0.28052@:1.68303@:0@:
mensuralu23@} [123]
@{char@:Quarter rest@:41@:0@:2.66475@:3.50626@:4.38283@:2.66475@:0@:2@} [41]
@{char@:Half notehead@:38@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s1@}
[38]
@{char@:8th Mensural Flag (down)@:124@:1.68303@:0@:0.28052@:5.61002@:0@:0@:mens
urald03@} [124]
@{char@:Quarter notehead@:39@:0@:3.66487@:1.61487@:1.61487@:3.66487@:0.38857@:s
2@} [39]
@{char@:Classical quarter rest@:42@:0@:2.80501@:3.01736@:2.30011@:2.80501@:0@:2
classical@} [42]
@{char@:8th Mensural Flag (down)@:125@:1.68303@:0@:0.28052@:4.20752@:0@:0@:mens
urald13@} [125]
@{char@:8th rest@:43@:0@:2.80501@:3.01736@:2.30011@:2.80501@:0@:3@} [43]
@{char@:Whole diamondhead@:40@:0@:5.81354@:1.61487@:1.61487@:5.81354@:0@:s0diam
ond@} [40]
@{char@:8th Mensural Flag (down)@:126@:1.68303@:0@:0.28052@:4.90877@:0@:0@:mens
urald23@} [126]
@{char@:16th rest@:44@:0@:3.366@:5.82237@:2.30011@:3.366@:0@:4@} [44]
@{char@:32th rest@:45@:0@:3.64651@:5.82237@:5.10512@:3.64651@:0@:5@} [45]
@{char@:Half diamondhead@:41@:0@:4.27702@:1.61487@:1.61487@:4.27702@:1.14165@:s
1diamond@} [41]
@{char@:16th Mensural Flag (up)@:127@:0@:1.68303@:8.41502@:0.28052@:1.68303@:0@
:mensuralu04@} [127]
@{char@:Quarter diamondhead@:42@:0@:4.33075@:1.61487@:1.61487@:4.33075@:1.16342
@:s2diamond@} [42]
@{char@:64th rest@:46@:0@:3.92699@:8.62738@:5.10512@:3.92699@:0@:6@} [46]Failed to change locale.

@{char@:16th Mensural Flag (up)@:128@:0@:1.68303@:7.01253@:0.28052@:1.68303@:0@
:mensuralu14@} [128]
@{char@:128th rest@:47@:0@:4.20752@:8.62738@:7.91013@:4.20752@:0@:7@} [47]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:Whole trianglehead@:43@:0@:6.97162@:2.62881@:2.20818@:6.97163@:0.42064@
:s0triangle@} [43]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:3.08553@:4.20752@:4.20752@:3.08553@:0@:sharp@} [48]
@{char@:16th Mensural Flag (up)@:129@:0@:1.68303@:7.71378@:0.28052@:1.68303@:0@
:mensuralu24@} [129]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:3.08553@:4.20752@:7.57352@:3.08553@:0@
:sharp.arrowup@} [49]
*** Successfully generated feta-alphabet11.pfb! ***

! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:5.05164@:2.37593@:2.00201@:4.27448
@:2.02332@:d1triangle@} [44]
@{char@:Arrowed Sharp (arrow down)@:50@:0.63707@:3.08553@:7.57352@:4.20752@:3.0
8553@:0@:sharp.arrowdown@} [50]
@{char@:16th Mensural Flag (down)@:130@:1.68303@:0@:0.28052@:8.41502@:0@:0@:men
surald04@} [130]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.63707@:3.08553@:7.57352@:7.57
352@:3.08553@:0@:sharp.arrowboth@} [51]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:5.05164@:2.37593@:2.00201@:5.05165@:
0.3739@:u1triangle@} [45]
@{char@:16th Mensural Flag (down)@:131@:1.68303@:0@:0.28052@:7.01253@:0@:0@:men
surald14@} [131]
@{char@:1/2 Sharp@:52@:0@:1.9635@:4.20752@:4.20752@:1.9635@:0@:sharp.slashslash
.stem@} [52]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan-noteheads11.mf'"...

@{char@:Sharp (3 beams)@:53@:0@:3.08553@:4.20752@:4.20752@:3.08553@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:16th Mensural Flag (down)@:132@:1.68303@:0@:0.28052@:7.71378@:0@:0@:men
surald24@} [132]( echo ./out/feta20.pfb:  > out/feta20.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta20.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta20 --fullname=feta20 --name=feta20 feta20.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Quarter trianglehead (upstem)@:46@:0@:4.2097@:2.37593@:2.00201@:4.2097@
:0.3739@:u2triangle@} [46]
@{char@:32th Mensural Flag (up)@:133@:0@:1.68303@:11.22003@:0.28052@:1.68303@:0
@:mensuralu05@} [133]
@{char@:1/2 Sharp (3 beams)@:54@:0@:2.66475@:3.64651@:3.64651@:2.66475@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:3/4 Sharp@:55@:0@:4.48804@:4.20752@:4.20752@:4.48804@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:32th Mensural Flag (up)@:134@:0@:1.68303@:9.81754@:0.28052@:1.68303@:0@
:mensuralu15@} [134]
@{char@:Quarter trianglehead (downstem)@:47@:0@:4.2097@:2.37593@:2.00201@:3.562
07@:2.02332@:d2triangle@} [47]
@{char@:Whole slashhead@:48@:0@:8.54276@:3.01736@:3.01736@:8.54276@:3.01736@:s0
slash@} [48]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta13.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Half slashhead@:49@:0@:6.66338@:3.01736@:3.01736@:6.66338@:3.01736@:s1s
lash@} [49](./mf2pt1.mp
@{char@:Natural@:56@:0@:1.87001@:4.20752@:4.20752@:1.87001@:0@:natural@} [56] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Quarter slashhead@:50@:0@:4.89626@:3.01736@:3.01736@:4.89626@:3.01736@:
s2slash@} [50]
@{char@:32th Mensural Flag (up)@:135@:0@:1.68303@:10.51878@:0.28052@:1.68303@:0
@:mensuralu25@} [135]
@{char@:Arrowed Natural (arrow up)@:57@:1.27414@:1.87001@:4.20752@:7.57352@:1.8
7001@:0@:natural.arrowup@} [57]
@{char@:Whole Crossed notehead@:51@:0@:5.36372@:1.82722@:1.82722@:5.36372@:0.62
354@:s0cross@} [51]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Half Crossed notehead@:52@:0@:4.5143@:1.72104@:1.72104@:4.5143@:0.6766@
:s1cross@} [52])

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads11.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Arrowed Natural (arrow down)@:58@:0@:1.87001@:7.57352@:4.20752@:1.87001
@:0@:natural.arrowdown@} [58]
@{char@:Crossed notehead@:53@:0@:3.66487@:1.61487@:1.61487@:3.66487@:1.07968@:s
2cross@} [53]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:32th Mensural Flag (down)@:136@:1.68303@:0@:0.28052@:11.22003@:0@:0@:me
nsurald05@} [136]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp)
@{char@:Arrowed Natural (arrows up and down)@:59@:1.27414@:1.87001@:7.57352@:7.
57352@:1.87001@:0@:natural.arrowboth@} [59] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{char@:X-Circled notehead@:54@:0@:4.35829@:1.92041@:1.92041@:4.35829@:0@:s2xci
rcle@} [54]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mfInvoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta14.mf'"...

Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
@{font@:GNU@:LilyPond@:parmesan@:11.22@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta13.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:32th Mensural Flag (down)@:137@:1.68303@:0@:0.28052@:9.81754@:0@:0@:men
surald15@} [137]
@{char@:Whole dohead@:55@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:s0do@
} [55] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Flat@:60@:0.50966@:2.24402@:1.68303@:5.3295@:2.24402@:0@:flat@} [60]
@{char@:Half dohead@:56@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@:d1do@}
[56]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:7.29305@:1.61487@:1.61487@:7.
29305@:0@:uM3neomensural@} [33])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Half dohead@:57@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:u1do@}
[57])
@{font@:GNU@:LilyPond@:feta@:12.6@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{char@:32th Mensural Flag (down)@:138@:1.68303@:0@:0.28052@:10.51878@:0@:0@:me
nsurald25@} [138]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Quarter dohead@:58@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@:d2do
@} [58]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:7.29305@:1.61487@:1.61487@:
7.29305@:0@:dM3neomensural@} [34]
@{char@:Arrowed Flat (arrow up)@:61@:1.46526@:2.24402@:1.68303@:7.57352@:2.2440
2@:0@:flat.arrowup@} [61](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Quarter dohead@:59@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:u2d
o@} [59]
@{group@:rests@}
@{char@:whole rest@:33@:0@:4.72502@:1.96875@:0@:4.72502@:0@:0@} [33]
@{char@:Arrowed Flat (arrow down)@:62@:1.46526@:2.24402@:6.17107@:5.3295@:2.244
02@:0@:flat.arrowdown@} [62]
@{char@:Whole thin dohead@:60@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:
s0doThin@} [60]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:5.61002@:1.61487@:1.61487@:5.6
1002@:0@:uM2neomensural@} [35]
@{char@:half rest@:34@:0@:4.72502@:0@:1.96875@:4.72502@:0@:1@} [34]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Half thin dohead@:61@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@:d1
doThin@} [61]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.46526@:2.24402@:6.17107@:7.5735
2@:2.24402@:0@:flat.arrowboth@} [63]
@{char@:whole rest (outside staff)@:35@:0@:4.72502@:1.96875@:0.43655@:4.72502@:
0@:0o@} [35]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:5.61002@:1.61487@:1.61487@:5
.61002@:0@:dM2neomensural@} [36]
@{char@:Half thin dohead@:62@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778@:u
1doThin@} [62]
@{char@:half rest (outside staff)@:36@:0@:4.72502@:0.43655@:1.96875@:4.72502@:0
@:1o@} [36])
@{char@:Quarter thin dohead@:63@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.9778@
:d2doThin@} [63]
@{char@:Neo-mensural brevis notehead@:37@:0@:5.61002@:1.61487@:1.61487@:5.61002
@:0@:sM1neomensural@} [37]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta14.mf
@{char@:Flat (slashed)@:64@:1.12198@:2.24402@:1.68303@:5.3295@:2.24402@:0@:flat
.slash@} [64]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:maxima rest@:37@:0@:5.67@:3.15001@:3.15001@:5.67@:0@:M3@} [37]
@{char@:Quarter thin dohead@:64@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.9778
@:u2doThin@} [64]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:64th Mensural Flag (up)@:139@:0@:1.68303@:14.02504@:0.28052@:1.68303@:0
@:mensuralu06@} [139]
@{char@:Flat (slashed twice)@:65@:1.12198@:2.24402@:1.68303@:5.3295@:2.24402@:0
@:flat.slashslash@} [65]
@{char@:Whole rehead@:65@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:s0re@
} [65]
@{char@:longa rest@:38@:0@:1.89@:3.15001@:3.15001@:1.89@:0@:M2@} [38]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:7.29305@:1.6148
7@:1.61487@:7.29305@:0@:urM3neomensural@} [38]
@{char@:breve rest@:39@:0@:1.89@:0@:3.15001@:1.89@:0@:M1@} [39])
@{font@:GNU@:LilyPond@:feta@:14.14@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{char@:Flatflat (mirrored)@:66@:0@:4.48804@:1.68303@:5.3295@:4.48804@:0@:mirro
redflat.flat@} [66]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta16.mf'"...

@{char@:Half up rehead@:66@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:u1r
e@} [66]
@{char@:Semi flat@:67@:0.50966@:2.24402@:1.68303@:5.3295@:2.24402@:0@:mirroredf
lat@} [67]
@{char@:breve rest (outside staff)@:40@:0@:1.89@:0.43655@:3.15001@:1.89@:0@:M1o
@} [40]
@{char@:64th Mensural Flag (up)@:140@:0@:1.68303@:12.62254@:0.28052@:1.68303@:0
@:mensuralu16@} [140]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:7.29305@:1.61
487@:1.61487@:7.29305@:0@:drM3neomensural@} [39]
@{group@:rests@}
@{char@:whole rest@:33@:0@:5.3025@:2.20938@:0@:5.3025@:0@:0@} [33]
@{char@:Quarter rest@:41@:0@:2.9925@:3.93752@:4.92189@:2.9925@:0@:2@} [41]
@{char@:Semi flat@:68@:1.12198@:2.24402@:1.68303@:5.3295@:2.24402@:0@:mirroredf
lat.backslash@} [68]
@{char@:half rest@:34@:0@:5.3025@:0@:2.20938@:5.3025@:0@:1@} [34]
@{char@:Classical quarter rest@:42@:0@:3.15001@:3.36829@:2.58302@:3.15001@:0@:2
classical@} [42]
@{char@:64th Mensural Flag (up)@:141@:0@:1.68303@:13.32379@:0.28052@:1.68303@:0
@:mensuralu26@} [141]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:5.61002@:1.61487
@:1.61487@:5.61002@:0@:urM2neomensural@} [40]
@{char@:whole rest (outside staff)@:35@:0@:5.3025@:2.20938@:0.44977@:5.3025@:0@
:0o@} [35]
@{char@:8th rest@:43@:0@:3.15001@:3.36829@:2.58302@:3.15001@:0@:3@} [43]
@{char@:Half down rehead@:67@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.47606@:
d1re@} [67]
@{char@:Double Flat@:69@:0.50966@:4.06725@:1.68303@:5.3295@:4.06725@:0@:flatfla
t@} [69]
@{char@:Quarter up rehead@:68@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:
u2re@} [68]
@{char@:half rest (outside staff)@:36@:0@:5.3025@:0.44977@:2.20938@:5.3025@:0@:
1o@} [36]
@{char@:16th rest@:44@:0@:3.78@:6.5183@:2.58302@:3.78@:0@:4@} [44]
@{char@:Quarter down rehead@:69@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.4760
6@:d2re@} [69]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:5.61002@:1.614
87@:1.61487@:5.61002@:0@:drM2neomensural@} [41]
@{char@:maxima rest@:37@:0@:6.363@:3.535@:3.535@:6.363@:0@:M3@} [37]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:5.61002@:1.61487@:1
.61487@:5.61002@:0@:srM1neomensural@} [42]
@{char@:longa rest@:38@:0@:2.121@:3.535@:3.535@:2.121@:0@:M2@} [38]
@{char@:32th rest@:45@:0@:4.09502@:6.5183@:5.73303@:4.09502@:0@:5@} [45]
@{char@:3/4 Flat@:70@:0.50966@:4.06725@:1.68303@:5.3295@:4.06725@:0@:flatflat.s
lash@} [70]
@{char@:Whole thin rehead@:70@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606@:
s0reThin@} [70]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:breve rest@:39@:0@:2.121@:0@:3.535@:2.121@:0@:M1@} [39]
@{char@:64th Mensural Flag (down)@:142@:1.68303@:0@:0.28052@:14.02504@:0@:0@:me
nsurald06@} [142](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Neo-mensural semibrevis head@:43@:0@:2.80501@:1.61487@:1.61487@:1.40251
@:0.51062@:s0neomensural@} [43]
@{char@:Double Sharp@:71@:0@:2.80501@:1.40251@:1.40251@:2.80501@:0@:doublesharp
@} [71]
@{char@:Half up thin rehead@:71@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606
@:u1reThin@} [71]
@{char@:64th rest@:46@:0@:4.40999@:9.6683@:5.73303@:4.40999@:0@:6@} [46]
@{char@:Right Parenthesis@:72@:0@:1.82722@:2.80501@:2.80501@:1.82722@:0@:rightp
aren@} [72]
@{char@:Neo-mensural minima head@:44@:0@:2.80501@:1.61487@:1.61487@:1.40251@:0.
51062@:s1neomensural@} [44]
@{char@:breve rest (outside staff)@:40@:0@:2.121@:0.44977@:3.535@:2.121@:0@:M1o
@} [40]
@{char@:Neo-mensural semiminima head@:45@:0@:2.80501@:1.61487@:1.61487@:1.40251
@:0.51062@:s2neomensural@} [45]
@{char@:Left Parenthesis@:73@:1.82722@:0@:2.80501@:2.80501@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
)
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:Half down thin rehead@:72@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.47
606@:d1reThin@} [72]
@{char@:128th rest@:47@:0@:4.72502@:9.6683@:8.88304@:4.72502@:0@:7@} [47]
@{puorg@:rests@}
)
@{char@:Quarter rest@:41@:0@:3.35825@:4.41876@:5.52344@:3.35825@:0@:2@} [41] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:Quarter thin rehead@:73@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.47606
@:u2reThin@} [73]
@{group@:arrowheads@}
@{char@:open@:74@:2.80501@:0.33978@:1.40251@:1.40251@:0.33978@:0@:open.01@}
[74]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:3.64651@:2.09933@:2.09933
@:3.64651@:0@:s0harmonic@} [46]
@{char@:Quarter thin rehead@:74@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.4760
6@:d2reThin@} [74])
@{char@:64th Mensural Flag (down)@:143@:1.68303@:0@:0.28052@:12.62254@:0@:0@:me
nsurald16@} [143]
@{char@:Classical quarter rest@:42@:0@:3.535@:3.75989@:2.89871@:3.535@:0@:2clas
sical@} [42]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta16.mf
@{char@:open@:75@:0.33978@:2.80501@:1.40251@:1.40251@:2.80501@:0@:open.0M1@}
[75]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:8th rest@:43@:0@:3.535@:3.75989@:2.89871@:3.535@:0@:3@} [43]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:3.64651@:2.09933@:2.0993
3@:3.64651@:0@:s2harmonic@} [47]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
@{char@:Whole mihead@:75@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s0mi@}
[75]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:3.46503@:4.72502@:4.72502@:3.46503@:0@:sharp@} [48]
@{char@:open@:76@:1.40251@:1.40251@:2.80501@:0.33978@:1.40251@:0@:open.11@}
[76]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:open@:77@:1.40251@:1.40251@:0.33978@:2.80501@:1.40251@:0@:open.1M1@}
[77]
@{char@:16th rest@:44@:0@:4.24199@:7.29489@:2.89871@:4.24199@:0@:4@} [44]
@{char@:Half mihead@:76@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s1mi@} [76])
@{char@:Mensural maxima notehead (up)@:48@:0@:5.61002@:1.61487@:1.61487@:5.6100
2@:0@:uM3mensural@} [48]
@{char@:64th Mensural Flag (down)@:144@:1.68303@:0@:0.28052@:13.32379@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:close@:78@:2.80501@:0@:1.40251@:1.40251@:0@:0@:close.01@} [78]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:3.46503@:4.72502@:8.50502@:3.46503@:0@
:sharp.arrowup@} [49]
@{char@:32th rest@:45@:0@:4.59552@:7.29489@:6.43372@:4.59552@:0@:5@} [45]
@{char@:Quarter mihead@:77@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s2mi@}
[77]
@{char@:Mensural maxima notehead (down)@:49@:0@:5.61002@:1.61487@:1.61487@:5.61
002@:0@:dM3mensural@} [49]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural44@} [145]
@{char@:close@:79@:0@:2.80501@:1.40251@:1.40251@:2.80501@:0@:close.0M1@} [79])
@{font@:GNU@:LilyPond@:feta@:15.87@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{char@:64th rest@:46@:0@:4.94899@:10.8299@:6.43372@:4.94899@:0@:6@} [46]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:5.61002@:1.61487@:1.61487@:
5.61002@:0@:sM3ligmensural@} [50]
@{char@:Mensural 2/2 meter@:146@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural22@} [146]
@{char@:close@:80@:1.40251@:1.40251@:2.80501@:0@:1.40251@:0@:close.11@} [80]
@{char@:Whole mirror mihead@:78@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s0mi
Mirror@} [78]
@{group@:rests@}
@{char@:whole rest@:33@:0@:5.95125@:2.47969@:0@:5.95125@:0@:0@} [33]
@{char@:close@:81@:1.40251@:1.40251@:0@:2.80501@:1.40251@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
)
@{char@:Arrowed Sharp (arrow down)@:50@:0.65483@:3.46503@:8.50502@:4.72502@:3.4
6503@:0@:sharp.arrowdown@} [50] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{char@:128th rest@:47@:0@:5.3025@:10.8299@:9.96872@:5.3025@:0@:7@} [47]
@{puorg@:rests@}
)
@{char@:Mensural 3/2 meter@:147@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural32@} [147] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:Mensural longa notehead (up)@:51@:0@:2.80501@:1.61487@:1.61487@:2.80501
@:0@:uM2mensural@} [51]
@{char@:half rest@:34@:0@:5.95125@:0@:2.47969@:5.95125@:0@:1@} [34]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.19016@:0.59508@:0.59508@:1.19016@:0@:dot@} [82]
@{puorg@:dots@}
)
@{char@:Half  mirror mihead@:79@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s1mi
Mirror@} [79] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:whole rest (outside staff)@:35@:0@:5.95125@:2.47969@:0.46461@:5.95125@:
0@:0o@} [35]
@{char@:Mensural 6/4 meter@:148@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural64@} [148]
@{char@:Quarter mirror mihead@:80@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s2
miMirror@} [80]
@{char@:Mensural longa notehead (down)@:52@:0@:2.80501@:1.61487@:1.61487@:2.805
01@:0@:dM2mensural@} [52]
@{group@:scripts@}
@{char@:fermata up@:83@:3.8248@:3.8248@:0.31854@:4.17542@:3.8248@:0@:ufermata@}
[83]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.65483@:3.46503@:8.50502@:8.50
502@:3.46503@:0@:sharp.arrowboth@} [51]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:3.88852@:5.3025@:5.3025@:3.88852@:0@:sharp@} [48]
@{char@:Mensural 9/4 meter@:149@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural94@} [149]
@{char@:half rest (outside staff)@:36@:0@:5.95125@:0.46461@:2.47969@:5.95125@:0
@:1o@} [36]
@{char@:Whole thin mihead@:81@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s0miTh
in@} [81]
@{char@:Mensural longa notehead (ligature)@:53@:0@:2.80501@:1.61487@:1.61487@:2
.80501@:0@:sM2ligmensural@} [53]
@{char@:fermata down@:84@:3.8248@:3.8248@:4.17542@:0.31854@:3.8248@:0@:dfermata
@} [84]
@{char@:1/2 Sharp@:52@:0@:2.205@:4.72502@:4.72502@:2.205@:0@:sharp.slashslash.s
tem@} [52]
@{char@:maxima rest@:37@:0@:7.14148@:3.9675@:3.9675@:7.14148@:0@:M3@} [37]
@{char@:Mensural 3/4 meter@:150@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural34@} [150]
@{char@:Half thin mihead@:82@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s1miThi
n@} [82]
@{char@:short fermata up@:85@:2.80501@:2.80501@:0@:6.171@:2.80501@:0@:ushortfer
mata@} [85]
@{char@:Mensural brevis notehead@:54@:0@:2.80501@:1.61487@:1.61487@:2.80501@:0@
:sM1mensural@} [54]
@{char@:longa rest@:38@:0@:2.3805@:3.9675@:3.9675@:2.3805@:0@:M2@} [38]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:3.88852@:5.3025@:9.5445@:3.88852@:0@:s
harp.arrowup@} [49]
@{char@:short fermata down@:86@:2.80501@:2.80501@:6.171@:0@:2.80501@:0@:dshortf
ermata@} [86]
@{char@:breve rest@:39@:0@:2.3805@:0@:3.9675@:2.3805@:0@:M1@} [39]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:5.61002@:1.61487@:1
.61487@:5.61002@:0@:urM3mensural@} [55]
@{char@:Sharp (3 beams)@:53@:0@:3.46503@:4.72502@:4.72502@:3.46503@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:Mensural 6/8 meter@:151@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural68@} [151]
@{char@:Arrowed Sharp (arrow down)@:50@:0.67465@:3.88852@:9.5445@:5.3025@:3.888
52@:0@:sharp.arrowdown@} [50]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:5.61002@:1.61487@
:1.61487@:5.61002@:0@:drM3mensural@} [56]
@{char@:long fermata up@:87@:3.50627@:3.50627@:0@:4.20752@:3.50627@:0@:ulongfer
mata@} [87]
@{char@:breve rest (outside staff)@:40@:0@:2.3805@:0.46461@:3.9675@:2.3805@:0@:
M1o@} [40]
@{char@:1/2 Sharp (3 beams)@:54@:0@:2.9925@:4.09502@:4.09502@:2.9925@:0@:sharp.
slashslashslash.stem@} [54]
@{char@:Quarter thin mihead@:83@:0@:4.39783@:1.19016@:1.19016@:4.39783@:0@:s2mi
Thin@} [83]
@{char@:Mensural 9/8 meter@:152@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural98@} [152]
@{char@:long fermata down@:88@:3.50627@:3.50627@:4.20752@:0@:3.50627@:0@:dlongf
ermata@} [88]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:5.61002@:1.61
487@:1.61487@:5.61002@:0@:srM3ligmensural@} [57]
@{char@:Quarter rest@:41@:0@:3.76912@:4.95938@:6.1992@:3.76912@:0@:2@} [41]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.67465@:3.88852@:9.5445@:9.544
5@:3.88852@:0@:sharp.arrowboth@} [51]
@{char@:Whole fa up head@:84@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u0fa@}
[84]
@{char@:Mensural 4/8 meter@:153@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural48@} [153]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:2.80501@:1.61487@:1.
61487@:2.80501@:0@:urM2mensural@} [58]
@{char@:Whole fa down head@:85@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d0fa@
} [85]
@{char@:Classical quarter rest@:42@:0@:3.9675@:4.19981@:3.25336@:3.9675@:0@:2cl
assical@} [42]
@{char@:very long fermata up@:89@:4.20752@:4.20752@:0@:4.48804@:4.20752@:0@:uve
rylongfermata@} [89]
@{char@:1/2 Sharp@:52@:0@:2.47449@:5.3025@:5.3025@:2.47449@:0@:sharp.slashslash
.stem@} [52]
@{char@:Mensural 6/8 meter@:154@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural68alt@} [154]
@{char@:half fa up head@:86@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u1fa@}
[86]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:2.80501@:1.61487@:
1.61487@:2.80501@:0@:drM2mensural@} [59]
@{char@:8th rest@:43@:0@:3.9675@:4.19981@:3.25336@:3.9675@:0@:3@} [43]
@{char@:Half fa down head@:87@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d1fa@}
[87]
@{char@:Mensural 2/4 meter@:155@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural24@} [155]
@{char@:Sharp (3 beams)@:53@:0@:3.88852@:5.3025@:5.3025@:3.88852@:0@:sharp.slas
hslashslash.stemstem@} [53]
@{char@:very long fermata down@:90@:4.20752@:4.20752@:4.48804@:0@:4.20752@:0@:d
verylongfermata@} [90]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:2.80501@:1.614
87@:1.61487@:2.80501@:0@:srM2ligmensural@} [60]
@{char@:Quarter fa up head@:88@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u2fa@
} [88]
@{char@:16th rest@:44@:0@:4.76099@:8.16731@:3.25336@:4.76099@:0@:4@} [44]
@{char@:Quarter fa down head@:89@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d2f
a@} [89]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta18.mf'"...

@{char@:1/2 Sharp (3 beams)@:54@:0@:3.35825@:4.59552@:4.59552@:3.35825@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:Whole thin fa up head@:90@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u0
faThin@} [90]
@{char@:Thumb@:91@:1.12201@:1.12201@:2.24403@:1.40251@:1.12201@:0@:thumb@}
[91]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:2.80501@:1.61487@:1.614
87@:2.80501@:0@:srM1mensural@} [61]
@{char@:Mensural 4/4 meter@:156@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural44@} [156]
@{char@:32th rest@:45@:0@:5.15776@:8.16731@:7.22086@:5.15776@:0@:5@} [45]
@{char@:Whole thin fa down head@:91@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:
d0faThin@} [91]
@{char@:3/4 Sharp@:55@:0@:5.65602@:5.3025@:5.3025@:5.65602@:0@:sharp.slashslash
.stemstemstem@} [55]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:5.61002@:1.61487@:1.
61487@:5.61002@:0@:uM3semimensural@} [62]
@{char@:> accent@:92@:2.52449@:2.52449@:1.40251@:1.40251@:2.52449@:0@:sforzato@
} [92]
@{char@:half thin fa up head@:92@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:u1f
aThin@} [92]
@{char@:Mensural 2/2 meter@:157@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural22@} [157]
@{char@:64th rest@:46@:0@:5.55447@:12.13481@:7.22086@:5.55447@:0@:6@} [46]
@{char@:espr@:93@:5.3295@:5.3295@:1.40251@:1.40251@:5.3295@:0@:espr@} [93]
@{char@:3/4 Sharp@:55@:0@:5.04004@:4.72502@:4.72502@:5.04004@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:5.61002@:1.61487@:
1.61487@:5.61002@:0@:dM3semimensural@} [63]
@{char@:Half thin fa down head@:93@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:d
1faThin@} [93]
@{char@:staccato dot@:94@:0.56099@:0.56099@:0.56099@:0.56099@:0.56099@:0@:stacc
ato@} [94]
@{char@:Mensural 3/2 meter@:158@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural32@} [158]
@{char@:Natural@:56@:0@:2.35667@:5.3025@:5.3025@:2.35667@:0@:natural@} [56]
@{char@:Quarter thin fa up head@:94@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:
u2faThin@} [94]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:5.61002@:1.614
87@:1.61487@:5.61002@:0@:sM3semiligmensural@} [64]
@{char@:staccatissimo/martellato up@:95@:0.70523@:0.70523@:0.2@:2.94925@:0.7052
3@:0@:ustaccatissimo@} [95]
@{char@:Quarter thin fa down head@:95@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0
@:d2faThin@} [95]
@{char@:Natural@:56@:0@:2.1@:4.72502@:4.72502@:2.1@:0@:natural@} [56]
@{char@:staccatissimo/martellato down@:96@:0.70523@:0.70523@:2.94925@:0.2@:0.70
523@:0@:dstaccatissimo@} [96]
@{char@:Whole solhead@:96@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s0sol@
} [96]
@{char@:Mensural 6/4 meter@:159@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural64@} [159]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:2.80501@:1.61487@:1.6
1487@:2.80501@:0@:uM2semimensural@} [65]
@{char@:portato/single tenuto@:97@:1.68303@:1.68303@:0.33978@:0.33978@:1.68303@
:0@:tenuto@} [97]
@{char@:Arrowed Natural (arrow up)@:57@:1.3493@:2.35667@:5.3025@:9.5445@:2.3566
7@:0@:natural.arrowup@} [57]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:128th rest@:47@:0@:5.95125@:12.13481@:11.18835@:5.95125@:0@:7@} [47]
@{puorg@:rests@}
)
@{char@:portato/tenuto with staccato@:98@:1.68303@:1.68303@:0.2973@:2.02437@:1.
68303@:0@:uportato@} [98] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:Half solhead@:97@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s1sol@}
[97]
@{char@:Arrowed Natural (arrow up)@:57@:1.30966@:2.1@:4.72502@:8.50502@:2.1@:0@
:natural.arrowup@} [57](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Quarter solhead@:98@:0@:3.9529@:1.61487@:1.61487@:3.9529@:0.60056@:s2so
l@} [98]
@{char@:portato/tenuto with staccato@:99@:1.68303@:1.68303@:2.02437@:0.2973@:1.
68303@:0@:dportato@} [99]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.35667@:9.5445@:5.3025@:2.35667@:
0@:natural.arrowdown@} [58]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Mensural 9/4 meter@:160@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural94@} [160]
@{char@:Whole lahead@:99@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s0la@}
[99]
@{char@:marcato up@:100@:1.40251@:1.40251@:0@:3.08553@:1.40251@:0@:umarcato@}
[100])
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:2.80501@:1.61487@:1
.61487@:2.80501@:0@:dM2semimensural@} [66]
@{char@:Half lahead@:100@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s1la@}
[100]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.1@:8.50502@:4.72502@:2.1@:0@:nat
ural.arrowdown@} [58]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta18.mf
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:4.36427@:5.95125@:5.95125@:4.36427@:0@:sharp@} [48]
@{char@:marcato down@:101@:1.40251@:1.40251@:3.08553@:0@:1.40251@:0@:dmarcato@}
[101]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Arrowed Natural (arrows up and down)@:59@:1.3493@:2.35667@:9.5445@:9.54
45@:2.35667@:0@:natural.arrowboth@} [59]
@{char@:Mensural 3/4 meter@:161@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural34@} [161]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:2.80501@:1.6148
7@:1.61487@:2.80501@:0@:sM2semiligmensural@} [67]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:open (unstopped)@:102@:1.12201@:1.12201@:1.40251@:1.40251@:1.12201@:0@:
open@} [102] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Quarter lahead@:101@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s2la@}
[101]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:2.80501@:1.61487@:1.61487
@:2.80501@:0@:sM1semimensural@} [68]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.30966@:2.1@:8.50502@:8.5050
2@:2.1@:0@:natural.arrowboth@} [59]
@{char@:Whole thin lahead@:102@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s0laT
hin@} [102]
@{char@:Flat@:60@:0.53972@:2.82802@:2.12102@:6.71649@:2.82802@:0@:flat@} [60]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:4.36427@:5.95125@:10.71223@:4.36427@:0
@:sharp.arrowup@} [49]
@{char@:halfopen (unstopped)@:103@:1.12201@:1.12201@:1.40251@:1.40251@:1.12201@
:0@:halfopen@} [103])
@{char@:Mensural 6/8 meter@:162@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural68@} [162]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:5.6100
2@:1.61487@:1.61487@:5.61002@:0@:urM3semimensural@} [69]
@{char@:Arrowed Flat (arrow up)@:61@:1.5517@:2.82802@:2.12102@:9.54451@:2.82802
@:0@:flat.arrowup@} [61]
@{char@:halfopen vertical@:104@:1.12201@:1.12201@:1.40251@:1.40251@:1.12201@:0@
:halfopenvertical@} [104])
@{char@:Flat@:60@:0.52386@:2.52002@:1.89003@:5.985@:2.52002@:0@:flat@} [60]
@{char@:Mensural 9/8 meter@:163@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural98@} [163]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:5.61
002@:1.61487@:1.61487@:5.61002@:0@:drM3semimensural@} [70]
@{font@:GNU@:LilyPond@:feta@:17.82@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{char@:Arrowed Sharp (arrow down)@:50@:0.69693@:4.36427@:10.71223@:5.95125@:4.
36427@:0@:sharp.arrowdown@} [50]
@{char@:plus (stopped)@:105@:1.54277@:1.54277@:1.54277@:1.54277@:1.54277@:0@:st
opped@} [105]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
5.61002@:1.61487@:1.61487@:5.61002@:0@:srM3semiligmensural@} [71]
@{group@:rests@}
@{char@:whole rest@:33@:0@:6.68251@:2.78438@:0@:6.68251@:0@:0@} [33]
@{char@:Half thin lahead@:103@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s1laTh
in@} [103]
@{char@:Arrowed Flat (arrow down)@:62@:1.5517@:2.82802@:7.77704@:6.71649@:2.828
02@:0@:flat.arrowdown@} [62]
@{char@:Mensural 4/8 meter@:164@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural48@} [164]
@{char@:Arrowed Flat (arrow up)@:61@:1.5061@:2.52002@:1.89003@:8.50502@:2.52002
@:0@:flat.arrowup@} [61]
@{char@:half rest@:34@:0@:6.68251@:0@:2.78438@:6.68251@:0@:1@} [34]
@{char@:Upbow@:106@:1.82326@:1.82326@:0@:5.83444@:1.82326@:0@:upbow@} [106]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:2.80501
@:1.61487@:1.61487@:2.80501@:0@:urM2semimensural@} [72]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.5517@:2.82802@:7.77704@:9.54451
@:2.82802@:0@:flat.arrowboth@} [63]
@{char@:whole rest (outside staff)@:35@:0@:6.68251@:2.78438@:0.48134@:6.68251@:
0@:0o@} [35]
@{char@:Mensural 6/8 meter@:165@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural68alt@} [165]
@{char@:Downbow@:107@:2.10376@:2.10376@:0@:3.73999@:2.10376@:0@:downbow@} [107]

@{char@:Arrowed Flat (arrow down)@:62@:1.5061@:2.52002@:6.93007@:5.985@:2.52002
@:0@:flat.arrowdown@} [62]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.69693@:4.36427@:10.71223@:10.
71223@:4.36427@:0@:sharp.arrowboth@} [51]
@{char@:half rest (outside staff)@:36@:0@:6.68251@:0.48134@:2.78438@:6.68251@:0
@:1o@} [36]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:2.805
01@:1.61487@:1.61487@:2.80501@:0@:drM2semimensural@} [73]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta20.mf'"...

@{char@:Mensural 2/4 meter@:166@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:Flat (slashed)@:64@:1.41399@:2.82802@:2.12102@:6.71649@:2.82802@:0@:fla
t.slash@} [64]@{char@:Reverse turn@:108@:3.06798@:3.06798@:1.485@:1.485@:3.06798@:0@:reverset
urn@} [108]
@{char@:maxima rest@:37@:0@:8.01901@:4.455@:4.455@:8.01901@:0@:M3@} [37]
@{char@:Quarter lahead@:104@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0@:s2laThin
@} [104]
@{char@:1/2 Sharp@:52@:0@:2.77724@:5.95125@:5.95125@:2.77724@:0@:sharp.slashsla
sh.stem@} [52]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.5061@:2.52002@:6.93007@:8.50502
@:2.52002@:0@:flat.arrowboth@} [63]
@{char@:longa rest@:38@:0@:2.673@:4.455@:4.455@:2.673@:0@:M2@} [38]
@{char@:Turn@:109@:3.06798@:3.06798@:1.485@:1.485@:3.06798@:0@:turn@} [109]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:2
.80501@:1.61487@:1.61487@:2.80501@:0@:srM2semiligmensural@} [74]
@{group@:scripts@}
@{char@:ictus@:167@:0.21236@:0.21236@:0.49089@:0.49089@:0.21236@:0@:ictus@}
[167]
@{char@:breve rest@:39@:0@:2.673@:0@:4.455@:2.673@:0@:M1@} [39]
@{char@:Flat (slashed)@:64@:1.25998@:2.52002@:1.89003@:5.985@:2.52002@:0@:flat.
slash@} [64]
@{char@:accentus up@:168@:0.35063@:0.35063@:0.49089@:0.49089@:0.35063@:0@:uacce
ntus@} [168]
@{char@:Flat (slashed twice)@:65@:1.41399@:2.82802@:2.12102@:6.71649@:2.82802@:
0@:flat.slashslash@} [65]
@{char@:Sharp (3 beams)@:53@:0@:4.36427@:5.95125@:5.95125@:4.36427@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:2.80501@:1
.61487@:1.61487@:2.80501@:0@:srM1semimensural@} [75]
@{char@:Trill (`tr')@:110@:2.38428@:2.38428@:0@:5.89047@:2.38428@:0@:trill@}
[110]
@{char@:Flatflat (mirrored)@:66@:0@:5.65602@:2.12102@:6.71649@:5.65602@:0@:mirr
oredflat.flat@} [66]
@{char@:Whole up tihead@:105@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.33324@:s
0ti@} [105]
@{char@:Flat (slashed twice)@:65@:1.25998@:2.52002@:1.89003@:5.985@:2.52002@:0@
:flat.slashslash@} [65]
@{char@:left heel@:111@:1.40251@:1.40251@:1.40251@:1.87001@:1.40251@:0@:upedalh
eel@} [111]
@{char@:Black mensural maxima notehead (up)@:76@:0@:5.61002@:1.61487@:1.61487@:
5.61002@:0@:uM3blackmensural@} [76]
@{char@:breve rest (outside staff)@:40@:0@:2.673@:0.48134@:4.455@:2.673@:0@:M1o
@} [40]
@{char@:accentus down@:169@:0.35063@:0.35063@:0.49089@:0.49089@:0.35063@:0@:dac
centus@} [169]
@{char@:Half up tihead@:106@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.33324@:u1
ti@} [106]
@{char@:right heel@:112@:1.40251@:1.40251@:1.87001@:1.40251@:1.40251@:0@:dpedal
heel@} [112]
@{char@:1/2 Sharp (3 beams)@:54@:0@:3.76912@:5.15776@:5.15776@:3.76912@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:Semi flat@:67@:0.53972@:2.82802@:2.12102@:6.71649@:2.82802@:0@:mirrored
flat@} [67]
@{char@:left toe@:113@:1.40251@:1.40251@:0@:4.20752@:1.40251@:0@:upedaltoe@}
[113]
@{char@:Black mensural maxima notehead (down)@:77@:0@:5.61002@:1.61487@:1.61487
@:5.61002@:0@:dM3blackmensural@} [77]
@{char@:Flatflat (mirrored)@:66@:0@:5.04004@:1.89003@:5.985@:5.04004@:0@:mirror
edflat.flat@} [66]
@{char@:Half down tihead@:107@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.33324@
:d1ti@} [107]
@{char@:right toe@:114@:1.40251@:1.40251@:4.20752@:0@:1.40251@:0@:dpedaltoe@}
[114]
@{char@:half circle@:170@:0.4383@:0.4383@:0@:0.4383@:0.4383@:0@:usemicirculus@}
[170]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Black mensural maxima notehead (ligature)@:78@:0@:5.61002@:1.61487@:1.6
1487@:5.61002@:0@:sM3blackligmensural@} [78]
@{char@:3/4 Sharp@:55@:0@:6.34802@:5.95125@:5.95125@:6.34802@:0@:sharp.slashsla
sh.stemstemstem@} [55](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Flageolet@:115@:1.496@:1.496@:1.496@:1.496@:1.496@:0@:flageolet@} [115]

@{char@:Semi flat@:67@:0.52386@:2.52002@:1.89003@:5.985@:2.52002@:0@:mirroredfl
at@} [67]
@{char@:Quarter up tihead@:108@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.33324@
:u2ti@} [108]
@{char@:Semi flat@:68@:1.41399@:2.82802@:2.12102@:6.71649@:2.82802@:0@:mirrored
flat.backslash@} [68]
@{char@:half circle@:171@:0.4383@:0.4383@:0.4383@:0@:0.4383@:0@:dsemicirculus@}
[171]
@{char@:Black mensural longa notehead (up)@:79@:0@:2.80501@:1.61487@:1.61487@:2
.80501@:0@:uM2blackmensural@} [79]
@{char@:Quarter down tihead@:109@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.333
24@:d2ti@} [109]@{char@:Segno@:116@:2.80501@:2.80501@:4.20752@:4.20752@:2.80501@:0@:segno@}
[116]
@{char@:Whole thin up tihead@:110@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.333
24@:s0tiThin@} [110]
@{char@:Natural@:56@:0@:2.645@:5.95125@:5.95125@:2.645@:0@:natural@} [56]
@{char@:Black mensural longa notehead (down)@:80@:0@:2.80501@:1.61487@:1.61487@
:2.80501@:0@:dM2blackmensural@} [80]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Semi flat@:68@:1.25998@:2.52002@:1.89003@:5.985@:2.52002@:0@:mirroredfl
at.backslash@} [68]
@{char@:circle@:172@:0.4383@:0.4383@:0.4383@:0.4383@:0.4383@:0@:circulus@}
[172]
@{char@:Double Flat@:69@:0.53972@:5.12575@:2.12102@:6.71649@:5.12575@:0@:flatfl
at@} [69]
@{char@:Quarter rest@:41@:0@:4.23224@:5.56876@:6.96094@:4.23224@:0@:2@} [41])
@{char@:Varied Segno@:117@:3.50627@:3.50627@:11.22003@:11.22003@:3.50627@:0@:va
rsegno@} [117]
@{char@:Half thin up tihead@:111@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.3332
4@:u1tiThin@} [111]
@{char@:augmentum@:173@:0.35063@:0.35063@:0.35063@:0.35063@:0.35063@:0@:augment
um@} [173]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta20.mf
@{char@:Black mensural longa notehead (ligature)@:81@:0@:2.80501@:1.61487@:1.61
487@:2.80501@:0@:sM2blackligmensural@} [81]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Arrowed Natural (arrow up)@:57@:1.39384@:2.645@:5.95125@:10.71223@:2.64
5@:0@:natural.arrowup@} [57]
@{char@:Double Flat@:69@:0.52386@:4.5675@:1.89003@:5.985@:4.5675@:0@:flatflat@}
[69]
@{char@:Half thin down tihead@:112@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-0.3
3324@:d1tiThin@} [112]
@{char@:Classical quarter rest@:42@:0@:4.455@:4.69568@:3.6531@:4.455@:0@:2class
ical@} [42]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Black mensural brevis notehead@:82@:0@:2.80501@:1.61487@:1.61487@:2.805
01@:0@:sM1blackmensural@} [82] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
@{char@:Quarter thin up tihead@:113@:0@:3.66487@:1.19016@:1.19016@:3.66487@:0.3
3324@:u2tiThin@} [113]
@{char@:Coda@:118@:2.85178@:2.85178@:3.78677@:3.78677@:2.85178@:0@:coda@} [118]

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:8th rest@:43@:0@:4.455@:4.69568@:3.6531@:4.455@:0@:3@} [43]
@{char@:signum congruentiae up@:174@:2.03958@:2.03958@:1.06178@:7.09651@:2.0395
8@:0@:usignumcongruentiae@} [174]
@{char@:Quarter thin down tihead@:114@:0@:3.66487@:1.19016@:1.19016@:3.66487@:-
0.33324@:d2tiThin@} [114]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.645@:10.71223@:5.95125@:2.645@:0
@:natural.arrowdown@} [58]
@{char@:16th rest@:44@:0@:5.346@:9.15068@:3.6531@:5.346@:0@:4@} [44])
@{char@:Mensural semibrevis head@:83@:0@:1.61946@:1.40251@:1.40251@:0.80974@:0.
55309@:s0mensural@} [83]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Whole up Funk dohead@:115@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
doFunk@} [115]@{char@:Varied Coda@:119@:2.99597@:2.99597@:3.93097@:3.93097@:2.99597@:0@:varco
da@} [119]
@{char@:signum congruentiae down@:175@:2.03958@:2.03958@:7.09651@:1.06178@:2.03
958@:0@:dsignumcongruentiae@} [175]
@{char@:3/4 Flat@:70@:0.52386@:4.5675@:1.89003@:5.985@:4.5675@:0@:flatflat.slas
h@} [70]
@{char@:Whole down Funk dohead@:116@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0doFunk@} [116])
@{char@:32th rest@:45@:0@:5.79152@:9.15068@:8.10811@:5.79152@:0@:5@} [45]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.39384@:2.645@:10.71223@:10.
71223@:2.645@:0@:natural.arrowboth@} [59]
@{char@:Right Comma@:120@:0@:1.40251@:1.68303@:1.68303@:1.40251@:0@:rcomma@}
[120]
@{font@:GNU@:LilyPond@:feta@:20@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{char@:Half up Funk dohead@:117@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1d
oFunk@} [117]
@{char@:Kievan end of piece (slash)@:176@:0@:4.48798@:6.01349@:8.01155@:4.48798
@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:Double Sharp@:71@:0@:3.15001@:1.57501@:1.57501@:3.15001@:0@:doublesharp
@} [71]
@{char@:Left Comma@:121@:1.40251@:0@:1.68303@:1.68303@:0@:0@:lcomma@} [121] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{char@:Half down Funk dohead@:118@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1doFunk@} [118]
@{char@:Mensural minima head@:84@:0@:1.61946@:1.40251@:1.40251@:0.80974@:0.5530
9@:s1mensural@} [84]
@{char@:64th rest@:46@:0@:6.23697@:13.60568@:8.10811@:6.23697@:0@:6@} [46]
@{group@:rests@}
@{char@:whole rest@:33@:0@:7.5@:3.125@:0@:7.5@:0@:0@} [33]
@{char@:Right Varied Comma@:122@:0.70125@:0.70125@:1.68303@:1.68303@:0.70125@:0
@:rvarcomma@} [122]
@{char@:Quarter up Funk dohead@:119@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2doFunk@} [119]
@{char@:Right Parenthesis@:72@:0@:2.01157@:3.15001@:3.15001@:2.01157@:0@:rightp
aren@} [72]
@{group@:dots@}
@{char@:duration dot@:177@:0@:0.79343@:0.39671@:0.39671@:0.79343@:0@:dotvatican
a@} [177]
@{char@:Flat@:60@:0.55754@:3.17401@:2.38052@:7.53822@:3.17401@:0@:flat@} [60]
@{char@:Quarter down Funk dohead@:120@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2doFunk@} [120]
@{char@:Left Varied Comma@:123@:0.70125@:0.70125@:1.68303@:1.68303@:0.70125@:0@
:lvarcomma@} [123]
@{char@:half rest@:34@:0@:7.5@:0@:3.125@:7.5@:0@:1@} [34]
@{char@:Left Parenthesis@:73@:2.01157@:0@:3.15001@:3.15001@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
)
@{char@:Kievan augmentation dot@:178@:0@:2.3803@:1.19016@:1.19016@:2.3803@:0@:d
otkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) ) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:128th rest@:47@:0@:6.68251@:13.60568@:12.56311@:6.68251@:0@:7@} [47]
@{char@:Arpeggio@:124@:0@:2.24402@:0@:2.80501@:2.24402@:0@:arpeggio@} [124]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:3/4 Flat@:70@:0.53972@:5.12575@:2.12102@:6.71649@:5.12575@:0@:flatflat.
slash@} [70]
@{char@:Arrowed Flat (arrow up)@:61@:1.60292@:3.17401@:2.38052@:10.71223@:3.174
01@:0@:flat.arrowup@} [61]
@{char@:Trill_element@:125@:0@:2.80501@:0@:2.24402@:2.80501@:0@:trill_element@}
[125]
@{char@:Mensural semiminima head@:85@:0@:1.61946@:1.40251@:1.40251@:0.80974@:0.
55309@:s2mensural@} [85]
@{char@:whole rest (outside staff)@:35@:0@:7.5@:3.125@:0.50005@:7.5@:0@:0o@}
[35]
@{char@:Whole up Funk rehead@:121@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
reFunk@} [121]
@{char@:Double Sharp@:71@:0@:3.535@:1.7675@:1.7675@:3.535@:0@:doublesharp@}
[71]
@{char@:Arrowed Flat (arrow down)@:62@:1.60292@:3.17401@:8.72855@:7.53822@:3.17
401@:0@:flat.arrowdown@} [62]
@{group@:arrowheads@}
@{char@:open@:74@:3.15001@:0.34924@:1.57501@:1.57501@:0.34924@:0@:open.01@}
[74]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:4.90053@:6.68251@:6.68251@:4.90053@:0@:sharp@} [48]
(some charht values had to be adjusted by as much as 0.35063pt)
(some chardp values had to be adjusted by as much as 0.35063pt)
Font metrics written on parmesan11.tfm.
146 output files written: parmesan11.33 .. parmesan11.178
Transcript written on parmesan11.log.

@{char@:half rest (outside staff)@:36@:0@:7.5@:0.50005@:3.125@:7.5@:0@:1o@}
[36]
@{char@:Black mensural semibrevis head@:86@:0@:1.61946@:1.40251@:1.40251@:0.809
74@:0.55309@:s0blackmensural@} [86]
@{char@:open@:75@:0.34924@:3.15001@:1.57501@:1.57501@:3.15001@:0@:open.0M1@}
[75]
@{char@:maxima rest@:37@:0@:9@:5@:5@:9@:0@:M3@} [37]
@{char@:Whole down Funk rehead@:122@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0reFunk@} [122]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.60292@:3.17401@:8.72855@:10.712
23@:3.17401@:0@:flat.arrowboth@} [63]
@{char@:Arpeggio arrow down@:126@:0@:2.24402@:0@:2.80501@:2.24402@:0@:arpeggio.
arrow.M1@} [126]
@{char@:open@:76@:1.57501@:1.57501@:3.15001@:0.34924@:1.57501@:0@:open.11@}
[76]
@{char@:longa rest@:38@:0@:3@:5@:5@:3@:0@:M2@} [38]
@{char@:Right Parenthesis@:72@:0@:2.21727@:3.535@:3.535@:2.21727@:0@:rightparen
@} [72]
@{char@:Arpeggio arrow up@:127@:0@:2.24402@:0@:2.80501@:2.24402@:0@:arpeggio.ar
row.1@} [127]
@{char@:breve rest@:39@:0@:3@:0@:5@:3@:0@:M1@} [39]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:Half up Funk rehead@:123@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1r
eFunk@} [123]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:4.90053@:6.68251@:12.0285@:4.90053@:0@
:sharp.arrowup@} [49]
@{char@:Petrucci semibrevis head@:87@:0@:3.25555@:2.2608@:2.2608@:1.62778@:1.15
656@:s0petrucci@} [87]
@{char@:Flat (slashed)@:64@:1.58698@:3.17401@:2.38052@:7.53822@:3.17401@:0@:fla
t.slash@} [64]
@{char@:trilelement@:128@:1.16876@:1.16876@:1.40251@:1.40251@:1.16876@:0@:trile
lement@} [128]
@{char@:open@:77@:1.57501@:1.57501@:0.34924@:3.15001@:1.57501@:0@:open.1M1@}
[77]
@{char@:breve rest (outside staff)@:40@:0@:3@:0.50005@:5@:3@:0@:M1o@} [40]
@{char@:Left Parenthesis@:73@:2.21727@:0@:3.535@:3.535@:0@:0@:leftparen@} [73]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:Half down Funk rehead@:124@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1reFunk@} [124]
@{char@:Petrucci minima head@:88@:0@:3.25555@:2.2608@:2.2608@:1.62778@:1.15656@
:s1petrucci@} [88]
@{char@:Quarter rest@:41@:0@:4.74998@:6.25@:7.8125@:4.74998@:0@:2@} [41]
@{group@:arrowheads@}
@{char@:open@:74@:3.535@:0.35982@:1.7675@:1.7675@:0.35982@:0@:open.01@} [74]
@{char@:close@:78@:3.15001@:0@:1.57501@:1.57501@:0@:0@:close.01@} [78]
@{char@:Quarter up Funk rehead@:125@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2reFunk@} [125]
@{char@:Petrucci semiminima head@:89@:0@:3.25555@:2.2608@:2.2608@:1.62778@:1.15
656@:s2petrucci@} [89]
@{char@:prall@:129@:2.33751@:2.33751@:1.40251@:1.40251@:2.33751@:0@:prall@}
[129]
@{char@:Arrowed Sharp (arrow down)@:50@:0.72202@:4.90053@:12.0285@:6.68251@:4.9
0053@:0@:sharp.arrowdown@} [50]
@{char@:Petrucci colored semibrevis head@:90@:0@:3.25555@:2.2608@:2.2608@:1.627
78@:1.15656@:s0blackpetrucci@} [90]
@{char@:close@:79@:0@:3.15001@:1.57501@:1.57501@:3.15001@:0@:close.0M1@} [79]
@{char@:Classical quarter rest@:42@:0@:5@:5.25003@:4.1@:5@:0@:2classical@}
[42]
@{char@:Flat (slashed twice)@:65@:1.58698@:3.17401@:2.38052@:7.53822@:3.17401@:
0@:flat.slashslash@} [65]
@{char@:Quarter down Funk rehead@:126@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2reFunk@} [126]
@{char@:Petrucci colored minima head@:91@:0@:3.25555@:2.2608@:2.2608@:1.62778@:
1.15656@:s1blackpetrucci@} [91]
@{char@:Whole up Funk mihead@:127@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:u0
miFunk@} [127]
@{char@:8th rest@:43@:0@:5@:5.25003@:4.1@:5@:0@:3@} [43]
@{char@:mordent@:130@:2.33751@:2.33751@:1.87001@:1.87001@:2.33751@:0@:mordent@}
[130]
@{char@:close@:80@:1.57501@:1.57501@:3.15001@:0@:1.57501@:0@:close.11@} [80]
@{char@:Flatflat (mirrored)@:66@:0@:6.34802@:2.38052@:7.53822@:6.34802@:0@:mirr
oredflat.flat@} [66]
@{char@:Petrucci colored semiminima head@:92@:0@:3.25555@:2.2608@:2.2608@:1.627
78@:1.15656@:s2blackpetrucci@} [92]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.72202@:4.90053@:12.0285@:12.0
285@:4.90053@:0@:sharp.arrowboth@} [51]
@{char@:Whole down Funk mihead@:128@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:
d0miFunk@} [128]
@{char@:16th rest@:44@:0@:5.99998@:10.25003@:4.1@:5.99998@:0@:4@} [44]
@{char@:close@:81@:1.57501@:1.57501@:0@:3.15001@:1.57501@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
)
@{char@:open@:75@:0.35982@:3.535@:1.7675@:1.7675@:3.535@:0@:open.0M1@} [75] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{char@:prallprall@:131@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:prallp
rall@} [131]
@{char@:open@:76@:1.7675@:1.7675@:3.535@:0.35982@:1.7675@:0@:open.11@} [76]
@{char@:Semi flat@:67@:0.55754@:3.17401@:2.38052@:7.53822@:3.17401@:0@:mirrored
flat@} [67]
@{char@:1/2 Sharp@:52@:0@:3.11848@:6.68251@:6.68251@:3.11848@:0@:sharp.slashsla
sh.stem@} [52]
@{char@:32th rest@:45@:0@:6.50002@:10.25003@:9.1@:6.50002@:0@:5@} [45]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.35674@:0.67838@:0.67838@:1.35674@:0@:dot@} [82]
@{puorg@:dots@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:Ed. Vat. punctum@:93@:0@:1.62904@:1.01172@:1.09247@:1.62904@:0@:svatica
na.punctum@} [93]
@{char@:open@:77@:1.7675@:1.7675@:0.35982@:3.535@:1.7675@:0@:open.1M1@} [77]
@{char@:Sharp (3 beams)@:53@:0@:4.90053@:6.68251@:6.68251@:4.90053@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:64th rest@:46@:0@:6.99997@:15.25003@:9.1@:6.99997@:0@:6@} [46]
@{char@:Semi flat@:68@:1.58698@:3.17401@:2.38052@:7.53822@:3.17401@:0@:mirrored
flat.backslash@} [68]
@{char@:Half up Funk mihead@:129@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:u1m
iFunk@} [129]
@{group@:scripts@}
@{char@:fermata up@:83@:4.26494@:4.26494@:0.32742@:4.65869@:4.26494@:0@:ufermat
a@} [83]
@{char@:close@:78@:3.535@:0@:1.7675@:1.7675@:0@:0@:close.01@} [78]
@{char@:prallmordent@:132@:3.50627@:3.50627@:1.87001@:1.87001@:3.50627@:0@:pral
lmordent@} [132]
@{char@:1/2 Sharp (3 beams)@:54@:0@:4.23224@:5.79152@:5.79152@:4.23224@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:Ed. Vat. punctum cavum@:94@:0@:1.62904@:1.01172@:1.09247@:1.62904@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:128th rest@:47@:0@:7.5@:15.25003@:14.1@:7.5@:0@:7@} [47]
@{puorg@:rests@}
)
@{char@:fermata down@:84@:4.26494@:4.26494@:4.65869@:0.32742@:4.26494@:0@:dferm
ata@} [84] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:close@:79@:0@:3.535@:1.7675@:1.7675@:3.535@:0@:close.0M1@} [79]
@{char@:Double Flat@:69@:0.55754@:5.75287@:2.38052@:7.53822@:5.75287@:0@:flatfl
at@} [69]
@{char@:short fermata up@:85@:3.15001@:3.15001@:0@:6.93001@:3.15001@:0@:ushortf
ermata@} [85]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan11
    font_weight:               Medium
    font_identifier:           parmesan11.22
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -89
    font_underline_thickness:  45
    font_name:                 parmesan11
    font_unique_id:            4354122
    font_size:                 11.1780821917808 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=89.4607843137255; bpppix 0.02; nonstopmode; input parmesan11.mf'"...

@{char@:close@:80@:1.7675@:1.7675@:3.535@:0@:1.7675@:0@:close.11@} [80]
@{char@:Ed. Vat. linea punctum@:95@:0@:2.6596@:1.1304@:1.1304@:2.6596@:0@:svati
cana.linea.punctum@} [95]
@{char@:3/4 Sharp@:55@:0@:7.12804@:6.68251@:6.68251@:7.12804@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:close@:81@:1.7675@:1.7675@:0@:3.535@:1.7675@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
)
@{char@:short fermata down@:86@:3.15001@:3.15001@:6.93001@:0@:3.15001@:0@:dshor
tfermata@} [86] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{char@:upprall@:133@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:upprall@}
[133]
@{char@:Half down Funk mihead@:130@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:d
1miFunk@} [130]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:5.50003@:7.5@:7.5@:5.50003@:0@:sharp@} [48]
@{char@:3/4 Flat@:70@:0.55754@:5.75287@:2.38052@:7.53822@:5.75287@:0@:flatflat.
slash@} [70]
@{char@:long fermata up@:87@:3.93752@:3.93752@:0@:4.72502@:3.93752@:0@:ulongfer
mata@} [87]
@{char@:upmordent@:134@:3.50627@:3.50627@:1.87001@:1.87001@:3.50627@:0@:upmorde
nt@} [134]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.54262@:0.77132@:0.77132@:1.54262@:0@:dot@} [82]
@{puorg@:dots@}
)
@{char@:Double Sharp@:71@:0@:3.9675@:1.98375@:1.98375@:3.9675@:0@:doublesharp@}
[71] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:Natural@:56@:0@:2.97@:6.68251@:6.68251@:2.97@:0@:natural@} [56]
@{char@:pralldown@:135@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:pralldo
wn@} [135]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:2.6596@:1.1304@:1.1304@:2.6596@:0@
:svaticana.linea.punctum.cavum@} [96]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:5.50003@:7.5@:13.49998@:5.50003@:0@:sh
arp.arrowup@} [49]
@{char@:long fermata down@:88@:3.93752@:3.93752@:4.72502@:0@:3.93752@:0@:dlongf
ermata@} [88]
@{char@:Right Parenthesis@:72@:0@:2.44836@:3.9675@:3.9675@:2.44836@:0@:rightpar
en@} [72]
@{group@:scripts@}
@{char@:fermata up@:83@:4.75609@:4.75609@:0.33733@:5.19797@:4.75609@:0@:ufermat
a@} [83]
@{char@:Left Parenthesis@:73@:2.44836@:0@:3.9675@:3.9675@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:Ed. Vat. inclinatum@:97@:0@:1.80919@:1.2919@:1.2919@:0.9046@:0.44247@:s
vaticana.inclinatum@} [97]
@{char@:fermata down@:84@:4.75609@:4.75609@:5.19797@:0.33733@:4.75609@:0@:dferm
ata@} [84]
@{char@:Arrowed Natural (arrow up)@:57@:1.44402@:2.97@:6.68251@:12.0285@:2.97@:
0@:natural.arrowup@} [57]
@{char@:very long fermata up@:89@:4.72502@:4.72502@:0@:5.04004@:4.72502@:0@:uve
rylongfermata@} [89]
@{group@:arrowheads@}
@{char@:open@:74@:3.9675@:0.3717@:1.98375@:1.98375@:0.3717@:0@:open.01@} [74]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:1.62904@:0.99554@:0.97942@:1.62904@:
0@:svaticana.lpes@} [98]
@{char@:downprall@:136@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:downpra
ll@} [136]
@{char@:short fermata up@:85@:3.535@:3.535@:0@:7.777@:3.535@:0@:ushortfermata@}
[85]
@{char@:open@:75@:0.3717@:3.9675@:1.98375@:1.98375@:3.9675@:0@:open.0M1@} [75]
@{char@:Arrowed Sharp (arrow down)@:50@:0.75008@:5.50003@:13.49998@:7.5@:5.5000
3@:0@:sharp.arrowdown@} [50]
@{char@:very long fermata down@:90@:4.72502@:4.72502@:5.04004@:0@:4.72502@:0@:d
verylongfermata@} [90]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.97@:12.0285@:6.68251@:2.97@:0@:n
atural.arrowdown@} [58]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Ed. Vat. pes var lower punctum@:99@:0@:1.62904@:1.35081@:0.62415@:1.629
04@:0@:svaticana.vlpes@} [99]
@{char@:open@:76@:1.98375@:1.98375@:3.9675@:0.3717@:1.98375@:0@:open.11@} [76](./mf2pt1.mp
@{char@:downmordent@:137@:3.50627@:3.50627@:1.87001@:1.87001@:3.50627@:0@:downm
ordent@} [137]
@{char@:Quarter Funk mihead@:131@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s2m
iFunk@} [131] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:short fermata down@:86@:3.535@:3.535@:7.777@:0@:3.535@:0@:dshortfermata
@} [86]
@{char@:prallup@:138@:3.50627@:3.50627@:1.40251@:1.40251@:3.50627@:0@:prallup@}
[138]
@{char@:Thumb@:91@:1.26001@:1.26001@:2.52003@:1.57501@:1.26001@:0@:thumb@}
[91]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:1.62904@:0.97942@:0.99554@:1.62904@
:0@:svaticana.upes@} [100]
@{char@:open@:77@:1.98375@:1.98375@:0.3717@:3.9675@:1.98375@:0@:open.1M1@}
[77]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.75008@:5.50003@:13.49998@:13.
49998@:5.50003@:0@:sharp.arrowboth@} [51]
@{char@:> accent@:92@:2.83499@:2.83499@:1.57501@:1.57501@:2.83499@:0@:sforzato@
} [92]
@{char@:long fermata up@:87@:4.41876@:4.41876@:0@:5.3025@:4.41876@:0@:ulongferm
ata@} [87]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.44402@:2.97@:12.0285@:12.02
85@:2.97@:0@:natural.arrowboth@} [59]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:1.62904@:0.72104@:1.25392@:1.62
904@:0@:svaticana.vupes@} [101]
@{char@:close@:78@:3.9675@:0@:1.98375@:1.98375@:0@:0@:close.01@} [78]
@{char@:espr@:93@:5.985@:5.985@:1.57501@:1.57501@:5.985@:0@:espr@} [93]
@{char@:long fermata down@:88@:4.41876@:4.41876@:5.3025@:0@:4.41876@:0@:dlongfe
rmata@} [88]
@{char@:1/2 Sharp@:52@:0@:3.49998@:7.5@:7.5@:3.49998@:0@:sharp.slashslash.stem@
} [52]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:close@:79@:0@:3.9675@:1.98375@:1.98375@:3.9675@:0@:close.0M1@} [79]
@{char@:staccato dot@:94@:0.62999@:0.62999@:0.62999@:0.62999@:0.62999@:0@:stacc
ato@} [94]
@{char@:lineprall@:139@:3.50627@:3.50627@:1.40251@:5.61005@:3.50627@:0@:linepra
ll@} [139])
@{char@:Flat@:60@:0.5776@:3.56401@:2.67303@:8.46448@:3.56401@:0@:flat@} [60]
@{char@:Ed. Vat. plica@:102@:0@:0.97742@:0.69199@:0.74042@:0.97742@:0@:svatican
a.plica@} [102])
@{char@:very long fermata up@:89@:5.3025@:5.3025@:0@:5.65602@:5.3025@:0@:uveryl
ongfermata@} [89]
@{char@:staccatissimo/martellato up@:95@:0.75157@:0.75157@:0.2@:3.27159@:0.7515
7@:0@:ustaccatissimo@} [95]
@{char@:Curved caesura@:140@:0@:5.61002@:2.24402@:3.366@:5.61002@:0@:caesura.cu
rved@} [140]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan11.mf
@{char@:close@:80@:1.98375@:1.98375@:3.9675@:0@:1.98375@:0@:close.11@} [80]
@{char@:Sharp (3 beams)@:53@:0@:5.50003@:7.5@:7.5@:5.50003@:0@:sharp.slashslash
slash.stemstem@} [53]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Arrowed Flat (arrow up)@:61@:1.66061@:3.56401@:2.67303@:12.02849@:3.564
01@:0@:flat.arrowup@} [61]
@{char@:Ed. Vat. var plica@:103@:0@:0.97742@:0.92937@:0.63867@:0.97742@:0@:svat
icana.vplica@} [103]
@{char@:Whole up Funk fahead@:132@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
faFunk@} [132]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Straight caesura@:141@:0@:5.61002@:2.24402@:3.366@:5.61002@:0@:caesura.
straight@} [141] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
@{char@:close@:81@:1.98375@:1.98375@:0@:3.9675@:1.98375@:0@:close.1M1@} [81]
@{char@:staccatissimo/martellato down@:96@:0.75157@:0.75157@:3.27159@:0.2@:0.75
157@:0@:dstaccatissimo@} [96]
@{puorg@:arrowheads@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Ed. Vat. epiphonus@:104@:0@:1.62904@:1.15707@:1.17322@:1.62904@:0@:svat
icana.epiphonus@} [104]
@{char@:portato/single tenuto@:97@:1.89003@:1.89003@:0.34924@:0.34924@:1.89003@
:0@:tenuto@} [97]
@{char@:Tick mark@:142@:1.68303@:3.08548@:0@:4.76851@:3.08548@:0@:tickmark@}
[142]
@{char@:1/2 Sharp (3 beams)@:54@:0@:4.74998@:6.50002@:6.50002@:4.74998@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:Arrowed Flat (arrow down)@:62@:1.66061@:3.56401@:9.80107@:8.46448@:3.56
401@:0@:flat.arrowdown@} [62]
@{char@:very long fermata down@:90@:5.3025@:5.3025@:5.65602@:0@:5.3025@:0@:dver
ylongfermata@} [90])
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.75145@:0.87573@:0.87573@:1.75145@:0@:dot@} [82]
@{puorg@:dots@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:Ed. Vat. var epiphonus@:105@:0@:1.62904@:1.51234@:0.81795@:1.62904@:0@:
svaticana.vepiphonus@} [105]
@{char@:portato/tenuto with staccato@:98@:1.89003@:1.89003@:0.30559@:2.22488@:1
.89003@:0@:uportato@} [98]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:1.496@:1.496@:1.496@:2.244@:1.4
96@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{group@:scripts@}
@{char@:fermata up@:83@:5.30785@:5.30785@:0.34846@:5.80379@:5.30785@:0@:ufermat
a@} [83])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:Arrowed Flat (arrow up and down)@:63@:1.66061@:3.56401@:9.80107@:12.028
49@:3.56401@:0@:flat.arrowboth@} [63]
@{char@:Thumb@:91@:1.414@:1.414@:2.82802@:1.7675@:1.414@:0@:thumb@} [91]
@{char@:3/4 Sharp@:55@:0@:8.00003@:7.5@:7.5@:8.00003@:0@:sharp.slashslash.stems
temstem@} [55]
@{char@:portato/tenuto with staccato@:99@:1.89003@:1.89003@:2.22488@:0.30559@:1
.89003@:0@:dportato@} [99])
@{font@:GNU@:LilyPond@:parmesan@:11.22@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{char@:Ed. Vat. rev. plica@:106@:0@:0.97742@:0.74042@:0.69199@:0.97742@:0@:sva
ticana.reverse.plica@} [106]
@{char@:fermata down@:84@:5.30785@:5.30785@:5.80379@:0.34846@:5.30785@:0@:dferm
ata@} [84]
@{char@:Whole down Funk fahead@:133@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0faFunk@} [133]
@{char@:> accent@:92@:3.18149@:3.18149@:1.7675@:1.7675@:3.18149@:0@:sforzato@}
[92]
@{char@:marcato up@:100@:1.57501@:1.57501@:0@:3.46503@:1.57501@:0@:umarcato@}
[100]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:3.36603@:2.80501@:2.80501@:3.36603@:0@
:M3neomensural@} [33]
@{char@:espr@:93@:6.71649@:6.71649@:1.7675@:1.7675@:6.71649@:0@:espr@} [93]
@{char@:Flat (slashed)@:64@:1.78197@:3.56401@:2.67303@:8.46448@:3.56401@:0@:fla
t.slash@} [64]
@{char@:Neo-mensural longa rest@:34@:0@:1.12201@:2.80501@:2.80501@:1.12201@:0@:
M2neomensural@} [34]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:7.77383@:5.61002@:5.61002@:7.77383@:0@:C@} [144]
@{char@:marcato down@:101@:1.57501@:1.57501@:3.46503@:0@:1.57501@:0@:dmarcato@}
[101]
@{char@:Half up Funk fahead@:134@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1f
aFunk@} [134]
@{char@:short fermata up@:85@:3.9675@:3.9675@:0@:8.72849@:3.9675@:0@:ushortferm
ata@} [85]
@{char@:Neo-mensural breve rest@:35@:0@:1.12201@:0@:2.80501@:1.12201@:0@:M1neom
ensural@} [35]
@{char@:staccato dot@:94@:0.70699@:0.70699@:0.70699@:0.70699@:0.70699@:0@:stacc
ato@} [94]
@{char@:Natural@:56@:0@:3.33333@:7.5@:7.5@:3.33333@:0@:natural@} [56]
@{char@:open (unstopped)@:102@:1.26001@:1.26001@:1.57501@:1.57501@:1.26001@:0@:
open@} [102]
@{char@:Ed. Vat. rev. var plica@:107@:0@:0.97742@:1.065@:0.50304@:0.97742@:0@:s
vaticana.reverse.vplica@} [107]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:6.30403@:4.48804@:4.48804@:6.30403@:0@:C_change@} [145]

@{char@:Flat (slashed twice)@:65@:1.78197@:3.56401@:2.67303@:8.46448@:3.56401@:
0@:flat.slashslash@} [65]
@{char@:staccatissimo/martellato up@:95@:0.80328@:0.80328@:0.2@:3.6313@:0.80328
@:0@:ustaccatissimo@} [95]
@{char@:short fermata down@:86@:3.9675@:3.9675@:8.72849@:0@:3.9675@:0@:dshortfe
rmata@} [86]
@{char@:Neo-mensural whole rest@:36@:0@:1.12201@:1.75313@:0@:1.12201@:0@:0neome
nsural@} [36]
@{char@:halfopen (unstopped)@:103@:1.26001@:1.26001@:1.57501@:1.57501@:1.26001@
:0@:halfopen@} [103]
@{char@:staccatissimo/martellato down@:96@:0.80328@:0.80328@:3.6313@:0.2@:0.803
28@:0@:dstaccatissimo@} [96]
@{char@:Neo-mensural half rest@:37@:0@:1.12201@:0@:1.75313@:1.12201@:0@:1neomen
sural@} [37]
@{char@:Arrowed Natural (arrow up)@:57@:1.50014@:3.33333@:7.5@:13.49998@:3.3333
3@:0@:natural.arrowup@} [57]@{char@:F clef @:146@:0@:7.5268@:7.01253@:2.80501@:7.5268@:0@:F@} [146]
@{char@:long fermata up@:87@:4.95938@:4.95938@:0@:5.95125@:4.95938@:0@:ulongfer
mata@} [87]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:1.62904@:1.17322@:1.15707@:1.62904@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:Flatflat (mirrored)@:66@:0@:7.12804@:2.67303@:8.46448@:7.12804@:0@:mirr
oredflat.flat@} [66]
@{char@:Neo-mensural 4th rest@:38@:0@:2.24402@:0@:2.24402@:2.24402@:0@:2neomens
ural@} [38]
@{char@:portato/single tenuto@:97@:2.12102@:2.12102@:0.35982@:0.35982@:2.12102@
:0@:tenuto@} [97]
@{char@:halfopen vertical@:104@:1.26001@:1.26001@:1.57501@:1.57501@:1.26001@:0@
:halfopenvertical@} [104]
@{char@:Neo-mensural 8th rest@:39@:0@:2.24402@:0@:2.24402@:2.24402@:0@:3neomens
ural@} [39]
@{char@:F clef (reduced)@:147@:0@:6.02145@:5.61005@:2.24402@:6.02145@:0@:F_chan
ge@} [147]
@{char@:long fermata down@:88@:4.95938@:4.95938@:5.95125@:0@:4.95938@:0@:dlongf
ermata@} [88]
@{char@:portato/tenuto with staccato@:98@:2.12102@:2.12102@:0.31483@:2.44862@:2
.12102@:0@:uportato@} [98]
@{char@:Semi flat@:67@:0.5776@:3.56401@:2.67303@:8.46448@:3.56401@:0@:mirroredf
lat@} [67]
@{char@:Neo-mensural 16th rest@:40@:0@:2.24402@:0@:2.80501@:2.24402@:0@:4neomen
sural@} [40]
@{char@:Half down Funk fahead@:135@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1faFunk@} [135]
@{char@:plus (stopped)@:105@:1.73251@:1.73251@:1.73251@:1.73251@:1.73251@:0@:st
opped@} [105]
@{char@:Arrowed Natural (arrow down)@:58@:0@:3.33333@:13.49998@:7.5@:3.33333@:0
@:natural.arrowdown@} [58]
@{char@:Mensural maxima rest@:41@:0@:0.8415@:2.80501@:5.61002@:0.8415@:0@:M3men
sural@} [41]
@{char@:G clef@:148@:0@:7.1949@:7.15279@:13.46405@:7.1949@:0@:G@} [148]
@{char@:Quarter up Funk fahead@:136@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2faFunk@} [136]
@{char@:very long fermata up@:89@:5.95125@:5.95125@:0@:6.34802@:5.95125@:0@:uve
rylongfermata@} [89]
@{char@:Mensural longa rest@:42@:0@:0.8415@:2.80501@:2.80501@:0.8415@:0@:M2mens
ural@} [42]
@{char@:Ed. Vat. cephalicus@:109@:0@:1.62904@:3.76508@:1.15707@:1.62904@:0@:sva
ticana.cephalicus@} [109]
@{char@:Upbow@:106@:2.04752@:2.04752@:0@:6.55205@:2.04752@:0@:upbow@} [106]
@{char@:Semi flat@:68@:1.78197@:3.56401@:2.67303@:8.46448@:3.56401@:0@:mirrored
flat.backslash@} [68]
@{char@:Quarter down Funk fahead@:137@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2faFunk@} [137]
@{char@:Mensural breve rest@:43@:0@:0.8415@:0@:2.80501@:0.8415@:0@:M1mensural@}
[43]
@{char@:portato/tenuto with staccato@:99@:2.12102@:2.12102@:2.44862@:0.31483@:2
.12102@:0@:dportato@} [99]
@{char@:Downbow@:107@:2.36252@:2.36252@:0@:4.2@:2.36252@:0@:downbow@} [107]
@{char@:Mensural whole rest@:44@:0@:0.8415@:1.75313@:0@:0.8415@:0@:0mensural@}
[44]
@{char@:G clef@:149@:0@:5.75595@:5.72226@:11.12718@:5.75595@:0@:G_change@}
[149]
@{char@:very long fermata down@:90@:5.95125@:5.95125@:6.34802@:0@:5.95125@:0@:d
verylongfermata@} [90]
@{char@:Mensural half rest@:45@:0@:0.8415@:0@:1.75313@:0.8415@:0@:1mensural@}
[45]
@{char@:marcato up@:100@:1.7675@:1.7675@:0@:3.88852@:1.7675@:0@:umarcato@}
[100]
@{char@:Whole Funk solhead@:138@:0@:2.54254@:1.19016@:1.19016@:2.54254@:0.1888@
:s0solFunk@} [138]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.50014@:3.33333@:13.49998@:1
3.49998@:3.33333@:0@:natural.arrowboth@} [59]
@{char@:Mensural 4th rest@:46@:0@:2.24402@:0@:2.24402@:2.24402@:0@:2mensural@}
[46]
@{char@:percussion clef@:150@:-1.87935@:5.61002@:2.80501@:2.80501@:5.61002@:0@:
percussion@} [150]
@{char@:Reverse turn@:108@:3.44533@:3.44533@:1.66765@:1.66765@:3.44533@:0@:reve
rseturn@} [108]
@{char@:marcato down@:101@:1.7675@:1.7675@:3.88852@:0@:1.7675@:0@:dmarcato@}
[101]
@{char@:Double Flat@:69@:0.5776@:6.45973@:2.67303@:8.46448@:6.45973@:0@:flatfla
t@} [69]
@{char@:Thumb@:91@:1.587@:1.587@:3.17401@:1.98375@:1.587@:0@:thumb@} [91]
@{char@:Mensural 8th rest@:47@:0@:2.24402@:0@:2.24402@:2.24402@:0@:3mensural@}
[47]
@{char@:Half Funk solhead@:139@:0@:2.54254@:1.19016@:1.19016@:2.54254@:0.1888@:
s1solFunk@} [139]
@{char@:Turn@:109@:3.44533@:3.44533@:1.66765@:1.66765@:3.44533@:0@:turn@} [109]

@{char@:open (unstopped)@:102@:1.414@:1.414@:1.7675@:1.7675@:1.414@:0@:open@}
[102]
@{char@:Quarter Funk solhead@:140@:0@:2.54254@:1.19016@:1.19016@:2.54254@:0.188
8@:s2solFunk@} [140]
@{char@:Mensural 16th rest@:48@:0@:2.24402@:0@:2.80501@:2.24402@:0@:4mensural@}
[48]
@{puorg@:rests@}
)
@{char@:percussion clef (reduced)@:151@:-1.5035@:4.48804@:2.24402@:2.24402@:4.4
8804@:0@:percussion_change@} [151] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:> accent@:92@:3.57072@:3.57072@:1.98375@:1.98375@:3.57072@:0@:sforzato@
} [92]
@{char@:Flat@:60@:0.60005@:4.00002@:3.00003@:9.49997@:4.00002@:0@:flat@} [60]
@{char@:Whole Funk lahead@:141@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0laF
unk@} [141]
@{char@:halfopen (unstopped)@:103@:1.414@:1.414@:1.7675@:1.7675@:1.414@:0@:half
open@} [103]
@{char@:espr@:93@:7.53822@:7.53822@:1.98375@:1.98375@:7.53822@:0@:espr@} [93]
@{char@:Half Funk lahead@:142@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s1laFu
nk@} [142]@{char@:Trill (`tr')@:110@:2.67752@:2.67752@:0@:6.61497@:2.67752@:0@:trill@}
[110]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.40251@:2.24402@:2.24402@:1.40251@:0@:vatican
a.do@} [49]
@{char@:Quarter Funk lahead@:143@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s2l
aFunk@} [143]
@{char@:halfopen vertical@:104@:1.414@:1.414@:1.7675@:1.7675@:1.414@:0@:halfope
nvertical@} [104]
@{char@:Arrowed Flat (arrow up)@:61@:1.72516@:4.00002@:3.00003@:13.49998@:4.000
02@:0@:flat.arrowup@} [61]
@{char@:tab clef@:152@:-0.56099@:7.85403@:8.07848@:8.07848@:7.85403@:0@:tab@}
[152]
@{char@:staccato dot@:94@:0.79349@:0.79349@:0.79349@:0.79349@:0.79349@:0@:stacc
ato@} [94]
@{char@:3/4 Flat@:70@:0.5776@:6.45973@:2.67303@:8.46448@:6.45973@:0@:flatflat.s
lash@} [70]
@{char@:left heel@:111@:1.57501@:1.57501@:1.57501@:2.1@:1.57501@:0@:upedalheel@
} [111]
@{char@:Ed. Vat. do clef@:50@:0@:1.40251@:2.24402@:2.24402@:1.40251@:0@:vatican
a.do_change@} [50]
@{char@:Whole up Funk tihead@:144@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u0
tiFunk@} [144]
@{char@:Ed. Vat. quilisma@:110@:0@:1.62904@:0.90431@:1.1627@:1.62904@:0@:svatic
ana.quilisma@} [110]
@{char@:plus (stopped)@:105@:1.94426@:1.94426@:1.94426@:1.94426@:1.94426@:0@:st
opped@} [105]
@{char@:staccatissimo/martellato up@:95@:0.86139@:0.86139@:0.2@:4.0354@:0.86139
@:0@:ustaccatissimo@} [95]
@{char@:right heel@:112@:1.57501@:1.57501@:2.1@:1.57501@:1.57501@:0@:dpedalheel
@} [112]
@{char@:Whole down Funk tihead@:145@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
d0tiFunk@} [145]
@{char@:Upbow@:106@:2.29776@:2.29776@:0@:7.35286@:2.29776@:0@:upbow@} [106]
@{char@:Double Sharp@:71@:0@:4.455@:2.22751@:2.22751@:4.455@:0@:doublesharp@}
[71]
@{char@:Arrowed Flat (arrow down)@:62@:1.72516@:4.00002@:11.00006@:9.49997@:4.0
0002@:0@:flat.arrowdown@} [62]
@{char@:left toe@:113@:1.57501@:1.57501@:0@:4.72502@:1.57501@:0@:upedaltoe@}
[113]
@{char@:Half up Funk tihead@:146@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u1t
iFunk@} [146]
@{char@:Downbow@:107@:2.65126@:2.65126@:0@:4.71332@:2.65126@:0@:downbow@} [107]

@{char@:staccatissimo/martellato down@:96@:0.86139@:0.86139@:4.0354@:0.2@:0.861
39@:0@:dstaccatissimo@} [96]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.13075@:0.80743@:0.80743@:
0.56538@:-0.04199@:ssolesmes.incl.parvum@} [111]
@{char@:Half down Funk tihead@:147@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:d
1tiFunk@} [147]
@{char@:Right Parenthesis@:72@:0@:2.70885@:4.455@:4.455@:2.70885@:0@:rightparen
@} [72]
@{char@:right toe@:114@:1.57501@:1.57501@:4.72502@:0@:1.57501@:0@:dpedaltoe@}
[114]
@{char@:portato/single tenuto@:97@:2.38052@:2.38052@:0.3717@:0.3717@:2.38052@:0
@:tenuto@} [97]@{char@:Reverse turn@:108@:3.86641@:3.86641@:1.87148@:1.87148@:3.86641@:0@:reve
rseturn@} [108]
@{char@:Quarter up Funk tihead@:148@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:
u2tiFunk@} [148]
@{char@:Left Parenthesis@:73@:2.70885@:0@:4.455@:4.455@:0@:0@:leftparen@} [73]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:Ed. Vat. fa clef@:51@:0@:2.94527@:4.20752@:2.24402@:2.94527@:0@:vatican
a.fa@} [51]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:1.62904@:1.044@:1.80301@:1.6
2904@:0@:ssolesmes.auct.asc@} [112]
@{char@:Flageolet@:115@:1.68001@:1.68001@:1.68001@:1.68001@:1.68001@:0@:flageol
et@} [115]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.72516@:4.00002@:11.00006@:13.49
998@:4.00002@:0@:flat.arrowboth@} [63]
@{char@:Quarter down Funk tihead@:149@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:d2tiFunk@} [149]
@{char@:portato/tenuto with staccato@:98@:2.38052@:2.38052@:0.32523@:2.7@:2.380
52@:0@:uportato@} [98]
@{group@:arrowheads@}
@{char@:open@:74@:4.455@:0.38507@:2.22751@:2.22751@:0.38507@:0@:open.01@} [74]
@{char@:Turn@:109@:3.86641@:3.86641@:1.87148@:1.87148@:3.86641@:0@:turn@} [109]

@{char@:Whole Walker dohead@:150@:0@:2.74866@:1.19016@:1.19016@:1.6505@:0.91415
@:s0doWalker@} [150]
@{char@:open@:75@:0.38507@:4.455@:2.22751@:2.22751@:4.455@:0@:open.0M1@} [75]
@{char@:Solesmes punctum auctum descendens@:113@:0@:1.62904@:1.80301@:1.044@:1.
62904@:0@:ssolesmes.auct.desc@} [113]
@{char@:Flat (slashed)@:64@:1.99997@:4.00002@:3.00003@:9.49997@:4.00002@:0@:fla
t.slash@} [64]
@{char@:Ed. Vat. fa clef@:52@:0@:2.94527@:4.20752@:2.24402@:2.94527@:0@:vatican
a.fa_change@} [52]
@{char@:Segno@:116@:3.15001@:3.15001@:4.72502@:4.72502@:3.15001@:0@:segno@}
[116]
@{char@:portato/tenuto with staccato@:99@:2.38052@:2.38052@:2.7@:0.32523@:2.380
52@:0@:dportato@} [99]
@{char@:Half up Walker dohead@:151@:0@:2.74866@:1.19016@:1.19016@:1.6505@:0.914
15@:u1doWalker@} [151]
@{char@:open@:76@:2.22751@:2.22751@:4.455@:0.38507@:2.22751@:0@:open.11@} [76]@{char@:Trill (`tr')@:110@:3.00478@:3.00478@:0@:7.42348@:3.00478@:0@:trill@}
[110]
@{char@:Ed. Med. do clef@:53@:0@:2.80501@:4.20752@:4.20752@:2.80501@:0@:medicae
a.do@} [53]
@{char@:Solesmes punctum incl. auctum@:114@:0@:1.80919@:1.2919@:1.2919@:0.9046@
:0.44247@:ssolesmes.incl.auctum@} [114]
@{char@:Half down Walker dohead@:152@:0@:2.74866@:1.19016@:1.19016@:1.6505@:0.9
1415@:d1doWalker@} [152]
@{char@:Varied Segno@:117@:3.93752@:3.93752@:12.60004@:12.60004@:3.93752@:0@:va
rsegno@} [117]
@{char@:left heel@:111@:1.7675@:1.7675@:1.7675@:2.35667@:1.7675@:0@:upedalheel@
} [111]
@{char@:Flat (slashed twice)@:65@:1.99997@:4.00002@:3.00003@:9.49997@:4.00002@:
0@:flat.slashslash@} [65]
@{char@:Quarter up Walker dohead@:153@:0@:2.74866@:1.19016@:1.19016@:1.6505@:0.
91415@:u2doWalker@} [153]
@{char@:open@:77@:2.22751@:2.22751@:0.38507@:4.455@:2.22751@:0@:open.1M1@}
[77]
@{char@:marcato up@:100@:1.98375@:1.98375@:0@:4.36427@:1.98375@:0@:umarcato@}
[100]
@{char@:Ed. Med. do clef@:54@:0@:2.24402@:3.36603@:3.36603@:2.24402@:0@:medicae
a.do_change@} [54]
@{char@:Quarter down Walker dohead@:154@:0@:2.74866@:1.19016@:1.19016@:1.6505@:
0.91415@:d2doWalker@} [154]
@{char@:Solesmes stropha@:115@:0@:1.80919@:1.2919@:1.2919@:0.9046@:0.44247@:sso
lesmes.stropha@} [115]
@{char@:right heel@:112@:1.7675@:1.7675@:2.35667@:1.7675@:1.7675@:0@:dpedalheel
@} [112]
@{char@:marcato down@:101@:1.98375@:1.98375@:4.36427@:0@:1.98375@:0@:dmarcato@}
[101]
@{char@:Coda@:118@:3.20253@:3.20253@:4.25253@:4.25253@:3.20253@:0@:coda@} [118]

@{char@:Whole Walker rehead@:155@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0r
eWalker@} [155]
@{char@:close@:78@:4.455@:0@:2.22751@:2.22751@:0@:0@:close.01@} [78]
@{char@:left toe@:113@:1.7675@:1.7675@:0@:5.3025@:1.7675@:0@:upedaltoe@} [113]
@{char@:Flatflat (mirrored)@:66@:0@:8.00003@:3.00003@:9.49997@:8.00003@:0@:mirr
oredflat.flat@} [66]
@{char@:open (unstopped)@:102@:1.587@:1.587@:1.98375@:1.98375@:1.587@:0@:open@}
[102]
@{char@:Ed. Med. fa clef@:55@:0@:4.76851@:4.20752@:4.20752@:4.76851@:0@:medicae
a.fa@} [55]
@{char@:Half up Walker rehead@:156@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u
1reWalker@} [156]
@{char@:Solesmes stropha aucta@:116@:0@:1.80919@:1.2919@:1.2919@:0.9046@:0.4424
7@:ssolesmes.stropha.aucta@} [116]
@{char@:close@:79@:0@:4.455@:2.22751@:2.22751@:4.455@:0@:close.0M1@} [79]
@{char@:Half down Walker rehead@:157@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@
:d1reWalker@} [157]
@{char@:right toe@:114@:1.7675@:1.7675@:5.3025@:0@:1.7675@:0@:dpedaltoe@} [114]
@{char@:Varied Coda@:119@:3.32407@:3.32407@:4.37407@:4.37407@:3.32407@:0@:varco
da@} [119]
@{char@:halfopen (unstopped)@:103@:1.587@:1.587@:1.98375@:1.98375@:1.587@:0@:ha
lfopen@} [103]
@{char@:Quarter up Walker rehead@:158@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:u2reWalker@} [158]
@{char@:close@:80@:2.22751@:2.22751@:4.455@:0@:2.22751@:0@:close.11@} [80]
@{char@:Semi flat@:67@:0.60005@:4.00002@:3.00003@:9.49997@:4.00002@:0@:mirrored
flat@} [67]
@{char@:Quarter down Walker rehead@:159@:0@:2.74866@:1.19016@:1.19016@:2.74866@
:0@:d2reWalker@} [159]
@{char@:Right Comma@:120@:0@:1.57501@:1.89003@:1.89003@:1.57501@:0@:rcomma@}
[120]@{char@:Flageolet@:115@:1.88533@:1.88533@:1.88533@:1.88533@:1.88533@:0@:flageol
et@} [115]
@{char@:Solesmes oriscus@:117@:0@:1.93935@:0.96893@:0.96893@:1.93935@:0@:ssoles
mes.oriscus@} [117]
@{char@:close@:81@:2.22751@:2.22751@:0@:4.455@:2.22751@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
)
@{char@:Ed. Med. fa clef@:56@:0@:3.81482@:3.36603@:3.36603@:3.81482@:0@:medicae
a.fa_change@} [56]
@{char@:Left Comma@:121@:1.57501@:0@:1.89003@:1.89003@:0@:0@:lcomma@} [121] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{char@:Whole Walker mihead@:160@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s0m
iWalker@} [160]
@{char@:halfopen vertical@:104@:1.587@:1.587@:1.98375@:1.98375@:1.587@:0@:halfo
penvertical@} [104]
@{char@:Right Varied Comma@:122@:0.7875@:0.7875@:1.89003@:1.89003@:0.7875@:0@:r
varcomma@} [122]
@{char@:Ed. Med. inclinatum@:118@:0@:2.3569@:1.683@:1.683@:1.17845@:0.83357@:sm
edicaea.inclinatum@} [118]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.98683@:0.99342@:0.99342@:1.98683@:0@:dot@} [82]
@{puorg@:dots@}
)
@{char@:tab clef (reduced)@:153@:-0.44879@:6.28326@:6.46281@:6.46281@:6.28326@:
0@:tab_change@} [153]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:Segno@:116@:3.535@:3.535@:5.3025@:5.3025@:3.535@:0@:segno@} [116]
@{char@:plus (stopped)@:105@:2.18214@:2.18214@:2.18214@:2.18214@:2.18214@:0@:st
opped@} [105]
@{char@:Semi flat@:68@:1.99997@:4.00002@:3.00003@:9.49997@:4.00002@:0@:mirrored
flat.backslash@} [68]
@{char@:Half Walker mihead@:161@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s1mi
Walker@} [161]
@{char@:Left Varied Comma@:123@:0.7875@:0.7875@:1.89003@:1.89003@:0.7875@:0@:lv
arcomma@} [123]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:Upbow@:106@:2.57889@:2.57889@:0@:8.25244@:2.57889@:0@:upbow@} [106]
@{group@:scripts@}
@{char@:fermata up@:83@:5.92976@:5.92976@:0.36101@:6.48665@:5.92976@:0@:ufermat
a@} [83]
@{char@:Ed. Med. punctum@:119@:0@:2.24397@:1.40251@:1.40251@:2.24397@:0@:smedic
aea.punctum@} [119]
@{char@:Arpeggio@:124@:0@:2.52002@:0@:3.15001@:2.52002@:0@:arpeggio@} [124]
@{char@:Downbow@:107@:2.97563@:2.97563@:0@:5.28998@:2.97563@:0@:downbow@} [107]

@{char@:Varied Segno@:117@:4.41876@:4.41876@:14.14001@:14.14001@:4.41876@:0@:va
rsegno@} [117]
@{char@:Ed. Med. reverse virga@:120@:0@:2.24397@:1.40251@:7.01253@:2.24397@:0@:
smedicaea.rvirga@} [120]
@{char@:Quarter Walker mihead@:162@:0@:3.29836@:1.19016@:1.19016@:3.29836@:0@:s
2miWalker@} [162]
@{char@:fermata down@:84@:5.92976@:5.92976@:6.48665@:0.36101@:5.92976@:0@:dferm
ata@} [84]
@{char@:Trill_element@:125@:0@:3.15001@:0@:2.52002@:3.15001@:0@:trill_element@}
[125]
@{char@:neo-mensural c clef@:57@:0@:8.1583@:5.61002@:5.61002@:8.1583@:0@:neomen
sural.c@} [57]
@{char@:Whole Walker fahead@:163@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0f
aWalker@} [163]
@{char@:Double Flat@:69@:0.60005@:7.24998@:3.00003@:9.49997@:7.24998@:0@:flatfl
at@} [69]@{char@:Reverse turn@:108@:4.33946@:4.33946@:2.10045@:2.10045@:4.33946@:0@:reve
rseturn@} [108]
@{char@:Ed. Med. virga@:121@:0@:2.24397@:7.01253@:1.40251@:2.24397@:0@:smedicae
a.virga@} [121]
@{char@:Coda@:118@:3.59395@:3.59395@:4.77228@:4.77228@:3.59395@:0@:coda@} [118]

@{char@:Arpeggio arrow down@:126@:0@:2.52002@:0@:3.15001@:2.52002@:0@:arpeggio.
arrow.M1@} [126]
@{char@:Half up Walker fahead@:164@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u
1faWalker@} [164]
@{char@:Turn@:109@:4.33946@:4.33946@:2.10045@:2.10045@:4.33946@:0@:turn@} [109]

@{char@:Arpeggio arrow up@:127@:0@:2.52002@:0@:3.15001@:2.52002@:0@:arpeggio.ar
row.1@} [127]
@{char@:Half down Walker fahead@:165@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@
:d1faWalker@} [165]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:Hufnagel punctum@:122@:0@:4.00597@:1.40251@:1.40251@:2.00299@:0.55309@:
shufnagel.punctum@} [122]
@{char@:short fermata up@:85@:4.455@:4.455@:0@:9.801@:4.455@:0@:ushortfermata@}
[85]
@{char@:Quarter up Walker fahead@:166@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:u2faWalker@} [166]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:4.62431@:2.80501@:2.80501@:4.62431@:0@:C44@} [154]
@{char@:trilelement@:128@:1.3125@:1.3125@:1.57501@:1.57501@:1.3125@:0@:trilelem
ent@} [128]
@{char@:Quarter down Walker fahead@:167@:0@:2.74866@:1.19016@:1.19016@:2.74866@
:0@:d2faWalker@} [167]
@{char@:short fermata down@:86@:4.455@:4.455@:9.801@:0@:4.455@:0@:dshortfermata
@} [86]
@{char@:neo-mensural c clef@:58@:0@:6.52664@:4.48804@:4.48804@:6.52664@:0@:neom
ensural.c_change@} [58]@{char@:Trill (`tr')@:110@:3.37239@:3.37239@:0@:8.33171@:3.37239@:0@:trill@}
[110]@{char@:Varied Coda@:119@:3.6902@:3.6902@:4.86853@:4.86853@:3.6902@:0@:varcoda@
} [119]
@{char@:3/4 Flat@:70@:0.60005@:7.24998@:3.00003@:9.49997@:7.24998@:0@:flatflat.
slash@} [70]
@{char@:2/2 meter@:155@:0@:4.62431@:2.80501@:2.80501@:4.62431@:0@:C22@} [155]
@{puorg@:timesig@}
)
@{char@:Whole Walker lahead@:168@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0l
aWalker@} [168] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:long fermata up@:87@:5.56876@:5.56876@:0@:6.68251@:5.56876@:0@:ulongfer
mata@} [87]
@{char@:left heel@:111@:1.98375@:1.98375@:1.98375@:2.645@:1.98375@:0@:upedalhee
l@} [111]
@{char@:Hufnagel virga@:123@:0@:4.00597@:4.20752@:1.40251@:4.00597@:0@:shufnage
l.virga@} [123]
@{char@:Half Funk lahead@:169@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s1laWa
lker@} [169]
@{char@:Quarter Funk lahead@:170@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s2l
aWalker@} [170]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:4.36334@:0@:4.36334@:4.36334@:0@:*@} [156]
@{char@:right heel@:112@:1.98375@:1.98375@:2.645@:1.98375@:1.98375@:0@:dpedalhe
el@} [112]
@{char@:prall@:129@:2.625@:2.625@:1.57501@:1.57501@:2.625@:0@:prall@} [129]
@{char@:Right Comma@:120@:0@:1.7675@:2.12102@:2.12102@:1.7675@:0@:rcomma@}
[120]
@{char@:Pedal dash@:157@:0@:2.96191@:0@:3.20572@:2.96191@:0@:M@} [157]
@{char@:petrucci c1 clef@:59@:0@:2.80501@:3.92699@:8.97601@:2.80501@:0@:petrucc
i.c1@} [59]
@{char@:Whole Walker tihead@:171@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:s0t
iWalker@} [171]
@{char@:long fermata down@:88@:5.56876@:5.56876@:6.68251@:0@:5.56876@:0@:dlongf
ermata@} [88]
@{char@:Hufnagel pes lower punctum@:124@:0@:5.61002@:0.98175@:0.98175@:5.61002@
:0@:shufnagel.lpes@} [124]
@{char@:Pedal dot@:158@:0@:0.9873@:0@:0.9873@:0.9873@:0@:.@} [158]
@{char@:Double Sharp@:71@:0@:5@:2.5@:2.5@:5@:0@:doublesharp@} [71]
@{char@:mordent@:130@:2.625@:2.625@:2.1@:2.1@:2.625@:0@:mordent@} [130]
@{char@:left toe@:113@:1.98375@:1.98375@:0@:5.95125@:1.98375@:0@:upedaltoe@}
[113]
@{char@:Left Comma@:121@:1.7675@:0@:2.12102@:2.12102@:0@:0@:lcomma@} [121]
@{char@:Right Parenthesis@:72@:0@:3.00005@:5@:5@:3.00005@:0@:rightparen@} [72]
@{char@:Kievan final note@:125@:0@:3.3581@:4.20752@:4.20752@:3.3581@:0@:sM2kiev
an@} [125]
@{char@:Half up Walker tihead@:172@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@:u
1tiWalker@} [172]
@{char@:very long fermata up@:89@:6.68251@:6.68251@:0@:7.12804@:6.68251@:0@:uve
rylongfermata@} [89]
@{char@:right toe@:114@:1.98375@:1.98375@:5.95125@:0@:1.98375@:0@:dpedaltoe@}
[114]
@{char@:Left Parenthesis@:73@:3.00005@:0@:5@:5@:0@:0@:leftparen@} [73]
@{puorg@:accidentals@}
)
@{char@:Right Varied Comma@:122@:0.88376@:0.88376@:2.12102@:2.12102@:0.88376@:0
@:rvarcomma@} [122] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:Half down Walker tihead@:173@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0@
:d1tiWalker@} [173]
@{char@:prallprall@:131@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:prallpral
l@} [131]
@{char@:Flageolet@:115@:2.116@:2.116@:2.116@:2.116@:2.116@:0@:flageolet@} [115]

@{char@:Kievan recitative mark@:126@:0@:16.31659@:2.3803@:2.3803@:16.31659@:0@:
sM1kievan@} [126]
@{char@:Quarter up Walker tihead@:174@:0@:2.74866@:1.19016@:1.19016@:2.74866@:0
@:u2tiWalker@} [174]
@{group@:arrowheads@}
@{char@:open@:74@:5@:0.40004@:2.5@:2.5@:0.40004@:0@:open.01@} [74]
@{char@:Left Varied Comma@:123@:0.88376@:0.88376@:2.12102@:2.12102@:0.88376@:0@
:lvarcomma@} [123]
@{char@:very long fermata down@:90@:6.68251@:6.68251@:7.12804@:0@:6.68251@:0@:d
verylongfermata@} [90]
@{char@:Quarter down Walker tihead@:175@:0@:2.74866@:1.19016@:1.19016@:2.74866@
:0@:d2tiWalker@} [175]
@{char@:open@:75@:0.40004@:5@:2.5@:2.5@:5@:0@:open.0M1@} [75]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:11.22@}
@{parameter@:stafflinethickness@:0.42471@}
@{parameter@:staff_space@:2.80501@}
@{parameter@:linethickness@:0.42471@}
@{parameter@:black_notehead_width@:3.66487@}
@{parameter@:ledgerlinethickness@:0.84943@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Kievan whole note@:127@:0@:2.80501@:2.80501@:2.80501@:2.80501@:0@:s0kie
van@} [127]
@{char@:Arpeggio@:124@:0@:2.82802@:0@:3.535@:2.82802@:0@:arpeggio@} [124]
Font metrics written on feta-noteheads11.tfm.
143 output files written: feta-noteheads11.33 .. feta-noteheads11.175
Transcript written on feta-noteheads11.log.

@{char@:open@:76@:2.5@:2.5@:5@:0.40004@:2.5@:0@:open.11@} [76]
@{char@:Kievan quarter note down@:128@:0@:2.86111@:7.01253@:1.12198@:2.86111@:0
@:d2kievan@} [128]
@{char@:Trill_element@:125@:0@:3.535@:0@:2.82802@:3.535@:0@:trill_element@}
[125]@{char@:Segno@:116@:3.9675@:3.9675@:5.95125@:5.95125@:3.9675@:0@:segno@} [116]
@{char@:prallmordent@:132@:3.9375@:3.9375@:2.1@:2.1@:3.9375@:0@:prallmordent@}
[132]
@{char@:open@:77@:2.5@:2.5@:0.40004@:5@:2.5@:0@:open.1M1@} [77]
@{char@:Thumb@:91@:1.782@:1.782@:3.56403@:2.22751@:1.782@:0@:thumb@} [91]
@{char@:Kievan quarter note up@:129@:0@:2.86111@:1.12198@:7.29305@:2.86111@:0@:
u2kievan@} [129]
@{char@:close@:78@:5@:0@:2.5@:2.5@:0@:0@:close.01@} [78]
@{char@:Kievan half note (line position)@:130@:0@:2.9733@:4.48804@:2.80501@:2.9
733@:0@:s1kievan@} [130]
@{char@:Varied Segno@:117@:4.95938@:4.95938@:15.87@:15.87@:4.95938@:0@:varsegno
@} [117]
@{char@:Arpeggio arrow down@:126@:0@:2.82802@:0@:3.535@:2.82802@:0@:arpeggio.ar
row.M1@} [126]
@{char@:> accent@:92@:4.00948@:4.00948@:2.22751@:2.22751@:4.00948@:0@:sforzato@
} [92]
@{char@:close@:79@:0@:5@:2.5@:2.5@:5@:0@:close.0M1@} [79]
@{char@:Kievan half note (space position)@:131@:0@:3.08553@:2.80501@:3.92699@:3
.08553@:0@:sr1kievan@} [131]
@{char@:Arpeggio arrow up@:127@:0@:2.82802@:0@:3.535@:2.82802@:0@:arpeggio.arro
w.1@} [127]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:espr@:93@:8.46448@:8.46448@:2.22751@:2.22751@:8.46448@:0@:espr@} [93]
@{char@:Coda@:118@:4.03365@:4.03365@:5.35614@:5.35614@:4.03365@:0@:coda@} [118]

@{char@:upprall@:133@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:upprall@}
[133]
@{char@:close@:80@:2.5@:2.5@:5@:0@:2.5@:0@:close.11@} [80]
@{char@:Kievan eighth note (down)@:132@:0@:3.50626@:8.41502@:1.40251@:3.50626@:
0@:d3kievan@} [132]
@{char@:staccato dot@:94@:0.89099@:0.89099@:0.89099@:0.89099@:0.89099@:0@:stacc
ato@} [94]
@{char@:trilelement@:128@:1.47292@:1.47292@:1.7675@:1.7675@:1.47292@:0@:trilele
ment@} [128]
@{char@:upmordent@:134@:3.9375@:3.9375@:2.1@:2.1@:3.9375@:0@:upmordent@} [134]
@{char@:close@:81@:2.5@:2.5@:0@:5@:2.5@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{char@:Kievan eighth note (up)@:133@:0@:2.80501@:1.12198@:8.1345@:2.80501@:0@:
u3kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
@{char@:petrucci c1 clef@:60@:0@:2.24402@:3.51239@:8.02837@:2.24402@:0@:petrucc
i.c1_change@} [60]@{char@:Varied Coda@:119@:4.1015@:4.1015@:5.424@:5.424@:4.1015@:0@:varcoda@}
[119]
@{char@:pralldown@:135@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:pralldown@
} [135]
@{char@:staccatissimo/martellato up@:95@:0.92686@:0.92686@:0.2@:4.49088@:0.9268
6@:0@:ustaccatissimo@} [95]
@{char@:Right Comma@:120@:0@:1.98375@:2.38052@:2.38052@:1.98375@:0@:rcomma@}
[120]
@{group@:dots@}
@{char@:duration dot@:82@:0@:2.24998@:1.125@:1.125@:2.24998@:0@:dot@} [82]
@{puorg@:dots@}
)
(some charht values had to be adjusted by as much as 0.06783pt)
Font metrics written on parmesan-noteheads11.tfm.
101 output files written: parmesan-noteheads11.33 .. parmesan-noteheads11.133
Transcript written on parmesan-noteheads11.log.
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:prall@:129@:2.94583@:2.94583@:1.7675@:1.7675@:2.94583@:0@:prall@} [129]

@{char@:Left Comma@:121@:1.98375@:0@:2.38052@:2.38052@:0@:0@:lcomma@} [121]
@{char@:staccatissimo/martellato down@:96@:0.92686@:0.92686@:4.49088@:0.2@:0.92
686@:0@:dstaccatissimo@} [96]
@{char@:Right Varied Comma@:122@:0.99188@:0.99188@:2.38052@:2.38052@:0.99188@:0
@:rvarcomma@} [122]
@{char@:portato/single tenuto@:97@:2.67303@:2.67303@:0.38507@:0.38507@:2.67303@
:0@:tenuto@} [97]
@{group@:scripts@}
@{char@:fermata up@:83@:6.62505@:6.62505@:0.37505@:7.25005@:6.62505@:0@:ufermat
a@} [83]
@{char@:Left Varied Comma@:123@:0.99188@:0.99188@:2.38052@:2.38052@:0.99188@:0@
:lvarcomma@} [123]@{char@:mordent@:130@:2.94583@:2.94583@:2.35666@:2.35666@:2.94583@:0@:mordent@}
[130]
@{char@:portato/tenuto with staccato@:98@:2.67303@:2.67303@:0.33694@:2.98332@:2
.67303@:0@:uportato@} [98]
@{char@:fermata down@:84@:6.62505@:6.62505@:7.25005@:0.37505@:6.62505@:0@:dferm
ata@} [84]
@{char@:Arpeggio@:124@:0@:3.17401@:0@:3.9675@:3.17401@:0@:arpeggio@} [124]
@{char@:Pedal P@:159@:0@:4.67502@:0@:5.61002@:4.67502@:0@:P@} [159]
@{char@:downprall@:136@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:downprall@
} [136]
@{char@:portato/tenuto with staccato@:99@:2.67303@:2.67303@:2.98332@:0.33694@:2
.67303@:0@:dportato@} [99]
@{char@:Trill_element@:125@:0@:3.9675@:0@:3.17401@:3.9675@:0@:trill_element@}
[125]
@{char@:Pedal d@:160@:0@:3.74@:0@:4.90877@:3.74@:0@:d@} [160]
@{char@:short fermata up@:85@:5@:5@:0@:10.99998@:5@:0@:ushortfermata@} [85]
@{char@:marcato up@:100@:2.22751@:2.22751@:0@:4.90053@:2.22751@:0@:umarcato@}
[100]
@{char@:downmordent@:137@:3.9375@:3.9375@:2.1@:2.1@:3.9375@:0@:downmordent@}
[137]
@{char@:Arpeggio arrow down@:126@:0@:3.17401@:0@:3.9675@:3.17401@:0@:arpeggio.a
rrow.M1@} [126]
@{char@:Pedal e@:161@:0@:2.244@:0@:3.20572@:2.244@:0@:e@} [161]
@{char@:prallup@:138@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:prallup@}
[138]
@{char@:petrucci c2 clef@:61@:0@:2.80501@:6.732@:8.97601@:2.80501@:0@:petrucci.
c2@} [61]
@{char@:prallprall@:131@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:prallpra
ll@} [131]
@{char@:Arpeggio arrow up@:127@:0@:3.17401@:0@:3.9675@:3.17401@:0@:arpeggio.arr
ow.1@} [127]
@{char@:marcato down@:101@:2.22751@:2.22751@:4.90053@:0@:2.22751@:0@:dmarcato@}
[101]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:short fermata down@:86@:5@:5@:10.99998@:0@:5@:0@:dshortfermata@} [86]
@{char@:open (unstopped)@:102@:1.782@:1.782@:2.22751@:2.22751@:1.782@:0@:open@}
[102]
@{char@:trilelement@:128@:1.65312@:1.65312@:1.98375@:1.98375@:1.65312@:0@:trile
lement@} [128]
@{char@:Pedal Ped@:162@:0@:8.95358@:0@:5.61002@:8.95358@:0@:Ped@} [162]
@{puorg@:pedal@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:long fermata up@:87@:6.25@:6.25@:0@:7.5@:6.25@:0@:ulongfermata@} [87]
@{char@:halfopen (unstopped)@:103@:1.782@:1.782@:2.22751@:2.22751@:1.782@:0@:ha
lfopen@} [103]
@{char@:prallmordent@:132@:4.41875@:4.41875@:2.35666@:2.35666@:4.41875@:0@:pral
lmordent@} [132]
@{char@:lineprall@:139@:3.9375@:3.9375@:1.57501@:6.30005@:3.9375@:0@:lineprall@
} [139])
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:5.3295@:0.63112@:3.83725@:5.3295@:0@:up@} [163]
@{char@:bracket tip down@:164@:0@:5.3295@:3.83725@:0.63112@:5.3295@:0@:down@}
[164]
@{puorg@:brackettips@}
)
@{char@:halfopen vertical@:104@:1.782@:1.782@:2.22751@:2.22751@:1.782@:0@:halfo
penvertical@} [104] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:Curved caesura@:140@:0@:6.30002@:2.52002@:3.78@:6.30002@:0@:caesura.cur
ved@} [140]
@{char@:petrucci c2 clef@:62@:0@:2.24402@:6.02126@:8.02837@:2.24402@:0@:petrucc
i.c2_change@} [62]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan-noteheads11
    font_weight:               Medium
    font_identifier:           parmesan11.22
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -89
    font_underline_thickness:  45
    font_name:                 parmesan-noteheads11
    font_unique_id:            4075285
    font_size:                 11.1780821917808 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=89.4607843137255; bpppix 0.02; nonstopmode; input parmesan-noteheads11.mf'"...

@{char@:prall@:129@:3.30624@:3.30624@:1.98375@:1.98375@:3.30624@:0@:prall@}
[129]
@{char@:long fermata down@:88@:6.25@:6.25@:7.5@:0@:6.25@:0@:dlongfermata@}
[88]
@{char@:upprall@:133@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:upprall@}
[133]
@{group@:accordion@}
@{char@:accordion register discant@:165@:4.48358@:4.48358@:0.19325@:8.60829@:4.
48358@:0@:discant@} [165]
@{char@:plus (stopped)@:105@:2.45027@:2.45027@:2.45027@:2.45027@:2.45027@:0@:st
opped@} [105]
@{char@:Straight caesura@:141@:0@:6.30002@:2.52002@:3.78@:6.30002@:0@:caesura.s
traight@} [141]
@{char@:upmordent@:134@:4.41875@:4.41875@:2.35666@:2.35666@:4.41875@:0@:upmorde
nt@} [134]
@{char@:accordion register dot@:166@:0.70126@:0.70126@:0.70126@:0.70126@:0.7012
6@:0@:dot@} [166]
@{char@:Upbow@:106@:2.89577@:2.89577@:0@:9.26646@:2.89577@:0@:upbow@} [106]
@{char@:very long fermata up@:89@:7.5@:7.5@:0@:8.00003@:7.5@:0@:uverylongfermat
a@} [89]
@{char@:petrucci c3 clef@:63@:0@:2.80501@:8.97601@:8.97601@:2.80501@:0@:petrucc
i.c3@} [63]
@{char@:Tick mark@:142@:1.89003@:3.46498@:0@:5.35501@:3.46498@:0@:tickmark@}
[142]
@{char@:accordion register freebass@:167@:3.08107@:3.08107@:0.19325@:5.80327@:3
.08107@:0@:freebass@} [167]
@{char@:pralldown@:135@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:pralldown
@} [135]
@{char@:mordent@:130@:3.30624@:3.30624@:2.64499@:2.64499@:3.30624@:0@:mordent@}
[130]
@{char@:Downbow@:107@:3.34126@:3.34126@:0@:5.93999@:3.34126@:0@:downbow@} [107]

@{char@:accordion register stdbass@:168@:5.88608@:5.88608@:0.19325@:11.41328@:5
.88608@:0@:stdbass@} [168]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:1.68001@:1.68001@:1.68001@:2.52
@:1.68001@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
)
@{char@:very long fermata down@:90@:7.5@:7.5@:8.00003@:0@:7.5@:0@:dverylongferm
ata@} [90] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf@{char@:Reverse turn@:108@:4.87267@:4.87267@:2.35854@:2.35854@:4.87267@:0@:reve
rseturn@} [108]
@{char@:downprall@:136@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:downprall
@} [136]
@{char@:petrucci c3 clef@:64@:0@:2.24402@:8.02837@:8.02837@:2.24402@:0@:petrucc
i.c3_change@} [64]
@{char@:prallprall@:131@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:prallp
rall@} [131]
@{char@:Thumb@:91@:2@:2@:4.00002@:2.5@:2@:0@:thumb@} [91]
@{char@:Turn@:109@:4.87267@:4.87267@:2.35854@:2.35854@:4.87267@:0@:turn@} [109]

@{char@:downmordent@:137@:4.41875@:4.41875@:2.35666@:2.35666@:4.41875@:0@:downm
ordent@} [137]
@{char@:accordion register bayanbass@:169@:3.08107@:3.08107@:0.27606@:8.69109@:
3.08107@:0@:bayanbass@} [169]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:8.68958@:6.30002@:6.30002@:8.68958@:0@:C@} [144]
@{char@:> accent@:92@:4.49997@:4.49997@:2.5@:2.5@:4.49997@:0@:sforzato@} [92]
@{char@:prallup@:138@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:prallup@}
[138]
@{char@:prallmordent@:132@:4.95937@:4.95937@:2.64499@:2.64499@:4.95937@:0@:pral
lmordent@} [132]
@{char@:espr@:93@:9.49997@:9.49997@:2.5@:2.5@:9.49997@:0@:espr@} [93]@{char@:Trill (`tr')@:110@:3.78677@:3.78677@:0@:9.35545@:3.78677@:0@:trill@}
[110]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp
@{char@:staccato dot@:94@:0.99998@:0.99998@:0.99998@:0.99998@:0.99998@:0@:stacc
ato@} [94] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:7.03899@:5.04004@:5.04004@:7.03899@:0@:C_change@} [145]

@{char@:left heel@:111@:2.22751@:2.22751@:2.22751@:2.97@:2.22751@:0@:upedalheel
@} [111]
@{char@:petrucci c4 clef@:65@:0@:2.80501@:8.97601@:6.732@:2.80501@:0@:petrucci.
c4@} [65]
@{char@:staccatissimo/martellato up@:95@:1.00008@:1.00008@:0.2@:5.00009@:1.0000
8@:0@:ustaccatissimo@} [95]
@{char@:right heel@:112@:2.22751@:2.22751@:2.97@:2.22751@:2.22751@:0@:dpedalhee
l@} [112]
@{char@:upprall@:133@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:upprall@}
[133]@{char@:F clef @:146@:0@:8.45255@:7.87503@:3.15001@:8.45255@:0@:F@} [146]
@{char@:staccatissimo/martellato down@:96@:1.00008@:1.00008@:5.00009@:0.2@:1.00
008@:0@:dstaccatissimo@} [96]
@{char@:left toe@:113@:2.22751@:2.22751@:0@:6.68251@:2.22751@:0@:upedaltoe@}
[113]
@{char@:upmordent@:134@:4.95937@:4.95937@:2.64499@:2.64499@:4.95937@:0@:upmorde
nt@} [134]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:portato/single tenuto@:97@:3.00003@:3.00003@:0.40004@:0.40004@:3.00003@
:0@:tenuto@} [97]
@{char@:right toe@:114@:2.22751@:2.22751@:6.68251@:0@:2.22751@:0@:dpedaltoe@}
[114]
@{char@:accordion oldEE@:170@:3.08107@:3.08107@:0@:5.9965@:3.08107@:0@:oldEE@}
[170]
@{char@:pralldown@:135@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:pralldo
wn@} [135]
@{char@:F clef (reduced)@:147@:0@:6.76207@:6.30005@:2.52002@:6.76207@:0@:F_chan
ge@} [147]
@{char@:lineprall@:139@:4.41875@:4.41875@:1.7675@:7.07@:4.41875@:0@:lineprall@}
[139])
@{char@:Flageolet@:115@:2.376@:2.376@:2.376@:2.376@:2.376@:0@:flageolet@} [115]

@{char@:accordion push@:171@:2.75362@:0@:0@:6.88416@:0@:0@:push@} [171])
@{char@:portato/tenuto with staccato@:98@:3.00003@:3.00003@:0.35004@:3.30006@:3
.00003@:0@:uportato@} [98]
@{char@:Curved caesura@:140@:0@:7.07@:2.82802@:4.24199@:7.07@:0@:caesura.curved
@} [140]

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads11.m
f
@{char@:accordion pull@:172@:2.18864@:0.56497@:0@:6.88416@:0.56497@:0@:pull@}
[172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:Straight caesura@:141@:0@:7.07@:2.82802@:4.24199@:7.07@:0@:caesura.stra
ight@} [141]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:1.77647@:0@:0@:0@:lyric.short@} [173]@{char@:Segno@:116@:4.455@:4.455@:6.68251@:6.68251@:4.455@:0@:segno@} [116] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:portato/tenuto with staccato@:99@:3.00003@:3.00003@:3.30006@:0.35004@:3
.00003@:0@:dportato@} [99]
@{char@:Default lyric tie@:174@:0@:0@:1.83879@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{char@:downprall@:136@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:downpra
ll@} [136]
@{char@:Tick mark@:142@:2.12102@:3.88847@:0@:6.00949@:3.88847@:0@:tickmark@}
[142]
@{parameter@:staffsize@:11.22@}
@{parameter@:stafflinethickness@:0.42471@}
@{parameter@:staff_space@:2.80501@}
@{parameter@:linethickness@:0.42471@}
@{parameter@:black_notehead_width@:3.66487@}
@{parameter@:ledgerlinethickness@:0.84943@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Varied Segno@:117@:5.56876@:5.56876@:17.82@:17.82@:5.56876@:0@:varsegno
@} [117])
@{char@:downmordent@:137@:4.95937@:4.95937@:2.64499@:2.64499@:4.95937@:0@:downm
ordent@} [137]
@{char@:marcato up@:100@:2.5@:2.5@:0@:5.50003@:2.5@:0@:umarcato@} [100] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:snap pizzicato (Bartok pizzicato)@:143@:1.88533@:1.88533@:1.88533@:2.82
8@:1.88533@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:prallup@:138@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:prallup@}
[138]
(some charht values had to be adjusted by as much as 0.25249pt)
(some chardp values had to be adjusted by as much as 0.20262pt)
Font metrics written on feta11.tfm.
142 output files written: feta11.33 .. feta11.174
Transcript written on feta11.log.

@{char@:marcato down@:101@:2.5@:2.5@:5.50003@:0@:2.5@:0@:dmarcato@} [101]
@{char@:petrucci c4 clef@:66@:0@:2.24402@:8.02837@:6.02126@:2.24402@:0@:petrucc
i.c4_change@} [66])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:open (unstopped)@:102@:2@:2@:2.5@:2.5@:2@:0@:open@} [102]
@{char@:Coda@:118@:4.52928@:4.52928@:6.01428@:6.01428@:4.52928@:0@:coda@} [118]
)
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:9.71149@:7.07@:7.07@:9.71149@:0@:C@} [144]
@{font@:GNU@:LilyPond@:parmesan@:11.22@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:lineprall@:139@:4.95937@:4.95937@:1.98375@:7.935@:4.95937@:0@:lineprall
@} [139])
@{char@:halfopen (unstopped)@:103@:2@:2@:2.5@:2.5@:2@:0@:halfopen@} [103]
@{char@:G clef@:148@:0@:8.07983@:8.03253@:15.12006@:8.07983@:0@:G@} [148]@{char@:Varied Coda@:119@:4.5651@:4.5651@:6.0501@:6.0501@:4.5651@:0@:varcoda@}
[119]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:7.85918@:5.65604@:5.65604@:7.85918@:0@:C_change@} [145]

@{char@:Curved caesura@:140@:0@:7.935@:3.17401@:4.76099@:7.935@:0@:caesura.curv
ed@} [140]
@{char@:halfopen vertical@:104@:2@:2@:2.5@:2.5@:2@:0@:halfopenvertical@} [104]
@{char@:Right Comma@:120@:0@:2.22751@:2.67303@:2.67303@:2.22751@:0@:rcomma@}
[120]
@{char@:Straight caesura@:141@:0@:7.935@:3.17401@:4.76099@:7.935@:0@:caesura.st
raight@} [141]
@{char@:petrucci c5 clef@:67@:0@:2.80501@:8.97601@:3.92699@:2.80501@:0@:petrucc
i.c5@} [67]
@{char@:Left Comma@:121@:2.22751@:0@:2.67303@:2.67303@:0@:0@:lcomma@} [121]
@{char@:G clef@:149@:0@:6.4639@:6.42606@:12.49574@:6.4639@:0@:G_change@} [149]
@{char@:plus (stopped)@:105@:2.75002@:2.75002@:2.75002@:2.75002@:2.75002@:0@:st
opped@} [105]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:7.29305@:1.61487@:1.61487@:7.
29305@:0@:uM3neomensural@} [33]@{char@:F clef @:146@:0@:9.48561@:8.83751@:3.535@:9.48561@:0@:F@} [146]
@{char@:Tick mark@:142@:2.38052@:4.36421@:0@:6.74474@:4.36421@:0@:tickmark@}
[142]
@{char@:Right Varied Comma@:122@:1.11375@:1.11375@:2.67303@:2.67303@:1.11375@:0
@:rvarcomma@} [122]
@{char@:Upbow@:106@:3.25002@:3.25002@:0@:10.40007@:3.25002@:0@:upbow@} [106]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:7.29305@:1.61487@:1.61487@:
7.29305@:0@:dM3neomensural@} [34]
@{char@:petrucci c5 clef@:68@:0@:2.24402@:8.02837@:3.51239@:2.24402@:0@:petrucc
i.c5_change@} [68]
@{char@:percussion clef@:150@:-2.1105@:6.30002@:3.15001@:3.15001@:6.30002@:0@:p
ercussion@} [150]
@{char@:F clef (reduced)@:147@:0@:7.58853@:7.07005@:2.82802@:7.58853@:0@:F_chan
ge@} [147]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.116@:2.116@:2.116@:3.174@:2.1
16@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
)
@{char@:Downbow@:107@:3.75@:3.75@:0@:6.66664@:3.75@:0@:downbow@} [107] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:Left Varied Comma@:123@:1.11375@:1.11375@:2.67303@:2.67303@:1.11375@:0@
:lvarcomma@} [123]
@{char@:percussion clef (reduced)@:151@:-1.68842@:5.04004@:2.52002@:2.52002@:5.
04004@:0@:percussion_change@} [151]
@{char@:mensural c clef@:69@:0@:3.3996@:6.171@:6.171@:3.3996@:0@:mensural.c@}
[69]
@{char@:Arpeggio@:124@:0@:3.56401@:0@:4.455@:3.56401@:0@:arpeggio@} [124]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:5.61002@:1.61487@:1.61487@:5.6
1002@:0@:uM2neomensural@} [35]
@{char@:Reverse turn@:108@:5.46875@:5.46875@:2.64706@:2.64706@:5.46875@:0@:reve
rseturn@} [108]
@{char@:mensural c clef@:70@:0@:2.83861@:4.93683@:4.93683@:2.83861@:0@:mensural
.c_change@} [70]
@{char@:Trill_element@:125@:0@:4.455@:0@:3.56401@:4.455@:0@:trill_element@}
[125]
@{char@:black mensural c clef@:71@:0@:3.3996@:6.171@:6.171@:3.3996@:0@:blackmen
sural.c@} [71]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:10.85947@:7.935@:7.935@:10.85947@:0@:C@} [144]
@{char@:G clef@:148@:0@:9.06735@:9.01427@:16.96803@:9.06735@:0@:G@} [148]
@{char@:Turn@:109@:5.46875@:5.46875@:2.64706@:2.64706@:5.46875@:0@:turn@} [109]

@{char@:black mensural c clef@:72@:0@:2.83861@:4.93683@:4.93683@:2.83861@:0@:bl
ackmensural.c_change@} [72]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:5.61002@:1.61487@:1.61487@:5
.61002@:0@:dM2neomensural@} [36]
@{char@:tab clef@:152@:-0.62999@:8.82004@:9.07208@:9.07208@:8.82004@:0@:tab@}
[152]
@{char@:Arpeggio arrow down@:126@:0@:3.56401@:0@:4.455@:3.56401@:0@:arpeggio.ar
row.M1@} [126]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:8.78053@:6.34802@:6.34802@:8.78053@:0@:C_change@} [145]

@{char@:Neo-mensural brevis notehead@:37@:0@:5.61002@:1.61487@:1.61487@:5.61002
@:0@:sM1neomensural@} [37]
@{char@:Arpeggio arrow up@:127@:0@:3.56401@:0@:4.455@:3.56401@:0@:arpeggio.arro
w.1@} [127]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:G clef@:149@:0@:7.25392@:7.21146@:14.02298@:7.25392@:0@:G_change@}
[149]@{char@:Trill (`tr')@:110@:4.25003@:4.25003@:0@:10.49995@:4.25003@:0@:trill@}
[110]
@{char@:left heel@:111@:2.5@:2.5@:2.5@:3.33333@:2.5@:0@:upedalheel@} [111]
@{char@:percussion clef@:150@:-2.36844@:7.07@:3.535@:3.535@:7.07@:0@:percussion
@} [150]
@{char@:trilelement@:128@:1.85625@:1.85625@:2.22751@:2.22751@:1.85625@:0@:trile
lement@} [128]@{char@:F clef @:146@:0@:10.64615@:9.91875@:3.9675@:10.64615@:0@:F@} [146]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:7.29305@:1.6148
7@:1.61487@:7.29305@:0@:urM3neomensural@} [38]
@{char@:petrucci f clef@:73@:0@:5.45972@:12.62254@:7.01253@:5.45972@:0@:petrucc
i.f@} [73]
@{char@:right heel@:112@:2.5@:2.5@:3.33333@:2.5@:2.5@:0@:dpedalheel@} [112]
@{char@:prall@:129@:3.7125@:3.7125@:2.22751@:2.22751@:3.7125@:0@:prall@} [129]
@{char@:percussion clef (reduced)@:151@:-1.89476@:5.65604@:2.82802@:2.82802@:5.
65604@:0@:percussion_change@} [151]
@{char@:tab clef (reduced)@:153@:-0.504@:7.05606@:7.25769@:7.25769@:7.05606@:0@
:tab_change@} [153]
@{puorg@:clefs@}
)
@{char@:left toe@:113@:2.5@:2.5@:0@:7.5@:2.5@:0@:upedaltoe@} [113]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:7.29305@:1.61
487@:1.61487@:7.29305@:0@:drM3neomensural@} [39]
@{char@:F clef (reduced)@:147@:0@:8.51694@:7.93503@:3.17401@:8.51694@:0@:F_chan
ge@} [147]
@{char@:right toe@:114@:2.5@:2.5@:7.5@:0@:2.5@:0@:dpedaltoe@} [114]
@{char@:mordent@:130@:3.7125@:3.7125@:2.97@:2.97@:3.7125@:0@:mordent@} [130]
@{char@:Flageolet@:115@:2.66667@:2.66667@:2.66667@:2.66667@:2.66667@:0@:flageol
et@} [115]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:5.61002@:1.61487
@:1.61487@:5.61002@:0@:urM2neomensural@} [40]
@{char@:petrucci f clef@:74@:0@:4.36778@:10.09807@:5.61005@:4.36778@:0@:petrucc
i.f_change@} [74]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:5.23347@:3.15001@:3.15001@:5.23347@:0@:C44@} [154]
@{char@:G clef@:148@:0@:10.17671@:10.11713@:19.044@:10.17671@:0@:G@} [148]
@{char@:tab clef@:152@:-0.70699@:9.89803@:10.18088@:10.18088@:9.89803@:0@:tab@}
[152]
@{char@:prallprall@:131@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:prallp
rall@} [131]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:5.61002@:1.614
87@:1.61487@:5.61002@:0@:drM2neomensural@} [41]
@{char@:Segno@:116@:5@:5@:7.5@:7.5@:5@:0@:segno@} [116]
@{char@:mensural f clef@:75@:0@:3.366@:1.683@:1.683@:3.366@:0@:mensural.f@}
[75]
@{char@:2/2 meter@:155@:0@:5.23347@:3.15001@:3.15001@:5.23347@:0@:C22@} [155]
@{puorg@:timesig@}
)
@{char@:G clef@:149@:0@:8.14139@:8.09373@:15.73862@:8.14139@:0@:G_change@}
[149] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:5.61002@:1.61487@:1
.61487@:5.61002@:0@:srM1neomensural@} [42]
@{char@:Neo-mensural semibrevis head@:43@:0@:2.80501@:1.61487@:1.61487@:1.40251
@:0.51062@:s0neomensural@} [43]
@{char@:percussion clef@:150@:-2.65822@:7.935@:3.9675@:3.9675@:7.935@:0@:percus
sion@} [150]
@{char@:tab clef (reduced)@:153@:-0.5656@:7.91846@:8.14473@:8.14473@:7.91846@:0
@:tab_change@} [153]
@{puorg@:clefs@}
)
@{char@:prallmordent@:132@:5.56874@:5.56874@:2.97@:2.97@:5.56874@:0@:prallmorde
nt@} [132]
@{char@:Varied Segno@:117@:6.25@:6.25@:20@:20@:6.25@:0@:varsegno@} [117]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:4.90001@:0@:4.90001@:4.90001@:0@:*@} [156]
@{char@:percussion clef (reduced)@:151@:-2.12659@:6.34802@:3.17401@:3.17401@:6.
34802@:0@:percussion_change@} [151]
@{char@:Pedal dash@:157@:0@:3.15651@:0@:3.6@:3.15651@:0@:M@} [157]
@{char@:Neo-mensural minima head@:44@:0@:2.80501@:1.61487@:1.61487@:1.40251@:0.
51062@:s1neomensural@} [44]
@{char@:mensural f clef@:76@:0@:2.69281@:1.3464@:1.3464@:2.69281@:0@:mensural.f
_change@} [76]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:Neo-mensural semiminima head@:45@:0@:2.80501@:1.61487@:1.61487@:1.40251
@:0.51062@:s2neomensural@} [45]
@{char@:Pedal dot@:158@:0@:1.05217@:0@:1.05217@:1.05217@:0@:.@} [158]
@{char@:upprall@:133@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:upprall@}
[133]
@{char@:Coda@:118@:5.08336@:5.08336@:6.75003@:6.75003@:5.08336@:0@:coda@} [118]

@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:3.64651@:2.09933@:2.09933
@:3.64651@:0@:s0harmonic@} [46]
@{char@:tab clef@:152@:-0.79349@:11.10901@:11.42645@:11.42645@:11.10901@:0@:tab
@} [152]
@{char@:upmordent@:134@:5.56874@:5.56874@:2.97@:2.97@:5.56874@:0@:upmordent@}
[134]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:3.64651@:2.09933@:2.0993
3@:3.64651@:0@:s2harmonic@} [47]
@{char@:pralldown@:135@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:pralldo
wn@} [135]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:5.91325@:3.535@:3.535@:5.91325@:0@:C44@} [154]@{char@:Varied Coda@:119@:5.08337@:5.08337@:6.75005@:6.75005@:5.08337@:0@:varco
da@} [119]
@{char@:Mensural maxima notehead (up)@:48@:0@:5.61002@:1.61487@:1.61487@:5.6100
2@:0@:uM3mensural@} [48]
@{char@:Pedal P@:159@:0@:5.25002@:0@:6.30002@:5.25002@:0@:P@} [159]
@{char@:Right Comma@:120@:0@:2.5@:3.00003@:3.00003@:2.5@:0@:rcomma@} [120]
@{char@:Pedal d@:160@:0@:4.20001@:0@:5.51251@:4.20001@:0@:d@} [160]
@{char@:Mensural maxima notehead (down)@:49@:0@:5.61002@:1.61487@:1.61487@:5.61
002@:0@:dM3mensural@} [49]
@{char@:Left Comma@:121@:2.5@:0@:3.00003@:3.00003@:0@:0@:lcomma@} [121]
@{char@:tab clef (reduced)@:153@:-0.6348@:8.88724@:9.14119@:9.14119@:8.88724@:0
@:tab_change@} [153]
@{puorg@:clefs@}
)
@{char@:2/2 meter@:155@:0@:5.91325@:3.535@:3.535@:5.91325@:0@:C22@} [155]
@{puorg@:timesig@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:Pedal e@:161@:0@:2.52@:0@:3.6@:2.52@:0@:e@} [161] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:Mensural maxima notehead (ligature)@:50@:0@:5.61002@:1.61487@:1.61487@:
5.61002@:0@:sM3ligmensural@} [50]
@{char@:Right Varied Comma@:122@:1.25@:1.25@:3.00003@:3.00003@:1.25@:0@:rvarcom
ma@} [122]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:6.6769@:3.9675@:3.9675@:6.6769@:0@:C44@} [154]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:5.4989@:0@:5.4989@:5.4989@:0@:*@} [156]
@{char@:Left Varied Comma@:123@:1.25@:1.25@:3.00003@:3.00003@:1.25@:0@:lvarcomm
a@} [123]
@{char@:Mensural longa notehead (up)@:51@:0@:2.80501@:1.61487@:1.61487@:2.80501
@:0@:uM2mensural@} [51]
@{char@:2/2 meter@:155@:0@:6.6769@:3.9675@:3.9675@:6.6769@:0@:C22@} [155]
@{puorg@:timesig@}
)
@{char@:Pedal dash@:157@:0@:3.37372@:0@:4.04001@:3.37372@:0@:M@} [157] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:Arpeggio@:124@:0@:4.00002@:0@:5@:4.00002@:0@:arpeggio@} [124]
@{char@:Pedal Ped@:162@:0@:10.05482@:0@:6.30002@:10.05482@:0@:Ped@} [162]
@{puorg@:pedal@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:Mensural longa notehead (down)@:52@:0@:2.80501@:1.61487@:1.61487@:2.805
01@:0@:dM2mensural@} [52]
@{char@:Pedal dot@:158@:0@:1.12457@:0@:1.12457@:1.12457@:0@:.@} [158]
@{char@:Trill_element@:125@:0@:5@:0@:4.00002@:5@:0@:trill_element@} [125]
@{char@:Mensural longa notehead (ligature)@:53@:0@:2.80501@:1.61487@:1.61487@:2
.80501@:0@:sM2ligmensural@} [53]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:5.985@:0.70876@:4.3092@:5.985@:0@:up@} [163]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:6.17166@:0@:6.17166@:6.17166@:0@:*@} [156]
@{char@:Mensural brevis notehead@:54@:0@:2.80501@:1.61487@:1.61487@:2.80501@:0@
:sM1mensural@} [54]
@{char@:Arpeggio arrow down@:126@:0@:4.00002@:0@:5@:4.00002@:0@:arpeggio.arrow.
M1@} [126]
@{char@:Pedal dash@:157@:0@:3.6177@:0@:4.53429@:3.6177@:0@:M@} [157]
@{char@:bracket tip down@:164@:0@:5.985@:4.3092@:0.70876@:5.985@:0@:down@}
[164]
@{puorg@:brackettips@}
)
@{char@:Pedal P@:159@:0@:5.89168@:0@:7.07@:5.89168@:0@:P@} [159] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:downprall@:136@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:downpra
ll@} [136]
@{char@:Pedal dot@:158@:0@:1.2059@:0@:1.2059@:1.2059@:0@:.@} [158]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:5.61002@:1.61487@:1
.61487@:5.61002@:0@:urM3mensural@} [55]
@{char@:Pedal d@:160@:0@:4.71333@:0@:6.18626@:4.71333@:0@:d@} [160]
@{group@:accordion@}
@{char@:accordion register discant@:165@:5.00879@:5.00879@:0.19864@:9.64868@:5.
00879@:0@:discant@} [165]
@{char@:Arpeggio arrow up@:127@:0@:4.00002@:0@:5@:4.00002@:0@:arpeggio.arrow.1@
} [127] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf

@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:5.61002@:1.61487@
:1.61487@:5.61002@:0@:drM3mensural@} [56]
@{char@:accordion register dot@:166@:0.7875@:0.7875@:0.7875@:0.7875@:0.7875@:0@
:dot@} [166]
@{char@:petrucci g clef@:77@:0@:3.50626@:1.82324@:10.65904@:3.50626@:0@:petrucc
i.g@} [77]
@{char@:Pedal e@:161@:0@:2.828@:0@:4.04001@:2.828@:0@:e@} [161]
@{char@:downmordent@:137@:5.56874@:5.56874@:2.97@:2.97@:5.56874@:0@:downmordent
@} [137]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:5.61002@:1.61
487@:1.61487@:5.61002@:0@:srM3ligmensural@} [57]
@{char@:Pedal P@:159@:0@:6.6125@:0@:7.935@:6.6125@:0@:P@} [159]
@{char@:prallup@:138@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:prallup@}
[138]
@{char@:accordion register freebass@:167@:3.43378@:3.43378@:0.19864@:6.49866@:3
.43378@:0@:freebass@} [167]
@{char@:Pedal d@:160@:0@:5.29@:0@:6.94313@:5.29@:0@:d@} [160]@{char@:trilelement@:128@:2.08334@:2.08334@:2.5@:2.5@:2.08334@:0@:trilelement@}
[128]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:2.80501@:1.61487@:1.
61487@:2.80501@:0@:urM2mensural@} [58]
@{char@:Pedal e@:161@:0@:3.174@:0@:4.53429@:3.174@:0@:e@} [161]
@{char@:accordion register stdbass@:168@:6.58379@:6.58379@:0.19864@:12.79868@:6
.58379@:0@:stdbass@} [168]
@{char@:prall@:129@:4.16667@:4.16667@:2.5@:2.5@:4.16667@:0@:prall@} [129]
@{char@:accordion register bayanbass@:169@:3.43378@:3.43378@:0.28377@:9.7338@:3
.43378@:0@:bayanbass@} [169]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:2.80501@:1.61487@:
1.61487@:2.80501@:0@:drM2mensural@} [59]
@{char@:lineprall@:139@:5.56874@:5.56874@:2.22751@:8.91003@:5.56874@:0@:linepra
ll@} [139])
@{char@:Curved caesura@:140@:0@:8.91@:3.56401@:5.346@:8.91@:0@:caesura.curved@}
[140]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:2.80501@:1.614
87@:1.61487@:2.80501@:0@:srM2ligmensural@} [60]
@{char@:mordent@:130@:4.16667@:4.16667@:3.33333@:3.33333@:4.16667@:0@:mordent@}
[130]
@{char@:Straight caesura@:141@:0@:8.91@:3.56401@:5.346@:8.91@:0@:caesura.straig
ht@} [141]
@{char@:Tick mark@:142@:2.67303@:4.90045@:0@:7.57349@:4.90045@:0@:tickmark@}
[142]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:2.80501@:1.61487@:1.614
87@:2.80501@:0@:srM1mensural@} [61]
@{char@:Pedal Ped@:162@:0@:12.66425@:0@:7.935@:12.66425@:0@:Ped@} [162]
@{puorg@:pedal@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.376@:2.376@:2.376@:3.564@:2.3
76@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
)
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:5.61002@:1.61487@:1.
61487@:5.61002@:0@:uM3semimensural@} [62] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:7.53822@:0.89268@:5.42754@:7.53822@:0@:up@}
[163]
@{char@:accordion oldEE@:170@:3.43378@:3.43378@:0@:6.69728@:3.43378@:0@:oldEE@}
[170]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:5.61002@:1.61487@:
1.61487@:5.61002@:0@:dM3semimensural@} [63]
@{char@:prallprall@:131@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:prallprall@}
[131]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:12.15344@:8.91@:8.91@:12.15344@:0@:C@} [144]
@{char@:bracket tip down@:164@:0@:7.53822@:5.42754@:0.89268@:7.53822@:0@:down@}
[164]
@{puorg@:brackettips@}
)
@{char@:Pedal Ped@:162@:0@:11.28372@:0@:7.07@:11.28372@:0@:Ped@} [162]
@{puorg@:pedal@}
)
@{char@:accordion push@:171@:3.04382@:0@:0@:7.60968@:0@:0@:push@} [171] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:accordion pull@:172@:2.44975@:0.59407@:0@:7.60968@:0.59407@:0@:pull@}
[172]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:9.81906@:7.12802@:7.12802@:9.81906@:0@:C_change@} [145]

@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:6.71649@:0.79538@:4.83588@:6.71649@:0@:up@}
[163]
@{char@:petrucci g clef@:78@:0@:2.80502@:1.4586@:8.52728@:2.80502@:0@:petrucci.
g_change@} [78]@{char@:F clef @:146@:0@:11.95428@:11.13751@:4.455@:11.95428@:0@:F@} [146]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:1.99496@:0@:0@:0@:lyric.short@} [173]
@{group@:accordion@}
@{char@:accordion register discant@:165@:6.25325@:6.25325@:0.21141@:12.1139@:6.
25325@:0@:discant@} [165]
@{char@:prallmordent@:132@:6.25002@:6.25002@:3.33333@:3.33333@:6.25002@:0@:pral
lmordent@} [132]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:5.61002@:1.614
87@:1.61487@:5.61002@:0@:sM3semiligmensural@} [64]
@{char@:bracket tip down@:164@:0@:6.71649@:4.83588@:0.79538@:6.71649@:0@:down@}
[164]
@{puorg@:brackettips@}
)
@{char@:Default lyric tie@:174@:0@:0@:2.06496@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{parameter@:staffsize@:12.6@}
@{parameter@:stafflinethickness@:0.43655@}
@{parameter@:staff_space@:3.15001@}
@{parameter@:linethickness@:0.43655@}
@{parameter@:black_notehead_width@:4.12764@}
@{parameter@:ledgerlinethickness@:0.87311@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:F clef (reduced)@:147@:0@:9.56346@:8.91003@:3.56401@:9.56346@:0@:F_chan
ge@} [147]
@{char@:accordion register dot@:166@:0.99188@:0.99188@:0.99188@:0.99188@:0.9918
8@:0@:dot@} [166]
@{group@:accordion@}
@{char@:accordion register discant@:165@:5.59486@:5.59486@:0.20465@:10.80966@:5
.59486@:0@:discant@} [165]
@{char@:accordion register freebass@:167@:4.2695@:4.2695@:0.21141@:8.14641@:4.2
695@:0@:freebass@} [167]
(some charht values had to be adjusted by as much as 0.28354pt)
(some chardp values had to be adjusted by as much as 0.21828pt)
Font metrics written on feta13.tfm.
142 output files written: feta13.33 .. feta13.174
Transcript written on feta13.log.

@{char@:accordion register dot@:166@:0.88376@:0.88376@:0.88376@:0.88376@:0.8837
6@:0@:dot@} [166]
@{char@:G clef@:148@:0@:11.42715@:11.36028@:21.38402@:11.42715@:0@:G@} [148]
@{char@:accordion register stdbass@:168@:8.237@:8.237@:0.21141@:16.0814@:8.237@
:0@:stdbass@} [168]
@{char@:upprall@:133@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:upprall@} [133]
@{char@:accordion register freebass@:167@:3.82736@:3.82736@:0.20465@:7.27466@:3
.82736@:0@:freebass@} [167]
@{char@:upmordent@:134@:6.25002@:6.25002@:3.33333@:3.33333@:6.25002@:0@:upmorde
nt@} [134]
@{char@:accordion register bayanbass@:169@:4.2695@:4.2695@:0.302@:12.2045@:4.26
95@:0@:bayanbass@} [169]
@{char@:G clef@:149@:0@:9.14175@:9.08824@:17.67249@:9.14175@:0@:G_change@}
[149]
@{char@:accordion register stdbass@:168@:7.36237@:7.36237@:0.20465@:14.34467@:7
.36237@:0@:stdbass@} [168]
@{char@:pralldown@:135@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:pralldown@}
[135]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:2.80501@:1.61487@:1.6
1487@:2.80501@:0@:uM2semimensural@} [65]
@{char@:percussion clef@:150@:-2.98485@:8.91@:4.455@:4.455@:8.91@:0@:percussion
@} [150]
@{char@:accordion register bayanbass@:169@:3.82736@:3.82736@:0.29236@:10.89737@
:3.82736@:0@:bayanbass@} [169]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:2.80501@:1.61487@:1
.61487@:2.80501@:0@:dM2semimensural@} [66]
@{char@:percussion clef (reduced)@:151@:-2.38788@:7.12802@:3.56401@:3.56401@:7.
12802@:0@:percussion_change@} [151]
@{char@:downprall@:136@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:downprall@}
[136]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:2.80501@:1.6148
7@:1.61487@:2.80501@:0@:sM2semiligmensural@} [67]
@{char@:downmordent@:137@:6.25002@:6.25002@:3.33333@:3.33333@:6.25002@:0@:downm
ordent@} [137]
@{char@:prallup@:138@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:prallup@} [138]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:2.80501@:1.61487@:1.61487
@:2.80501@:0@:sM1semimensural@} [68]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:5.6100
2@:1.61487@:1.61487@:5.61002@:0@:urM3semimensural@} [69]
@{char@:accordion oldEE@:170@:4.2695@:4.2695@:0@:8.3578@:4.2695@:0@:oldEE@}
[170]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:5.61
002@:1.61487@:1.61487@:5.61002@:0@:drM3semimensural@} [70]
@{char@:tab clef@:152@:-0.89099@:12.47401@:12.83047@:12.83047@:12.47401@:0@:tab
@} [152]
@{char@:lineprall@:139@:6.25002@:6.25002@:2.5@:10@:6.25002@:0@:lineprall@}
[139])
@{char@:accordion oldEE@:170@:3.82736@:3.82736@:0@:7.4793@:3.82736@:0@:oldEE@}
[170]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
5.61002@:1.61487@:1.61487@:5.61002@:0@:srM3semiligmensural@} [71]
@{char@:accordion push@:171@:3.73148@:0@:0@:9.32884@:0@:0@:push@} [171]
@{char@:Curved caesura@:140@:0@:10@:4.00002@:5.99998@:10@:0@:caesura.curved@}
[140]
@{char@:accordion push@:171@:3.36768@:0@:0@:8.41931@:0@:0@:push@} [171]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta13
    font_weight:               Medium
    font_identifier:           feta12.6
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -80
    font_underline_thickness:  40
    font_name:                 feta13
    font_unique_id:            4052436
    font_size:                 12.5529265255293 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=79.6626984126984; bpppix 0.02; nonstopmode; input feta13.mf'"...

@{char@:accordion pull@:172@:3.06848@:0.663@:0@:9.32884@:0.663@:0@:pull@} [172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:2.80501
@:1.61487@:1.61487@:2.80501@:0@:urM2semimensural@} [72]
@{char@:accordion pull@:172@:2.74115@:0.62653@:0@:8.41931@:0.62653@:0@:pull@}
[172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:Straight caesura@:141@:0@:10@:4.00002@:5.99998@:10@:0@:caesura.straight
@} [141]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:2.51271@:0@:0@:0@:lyric.short@} [173]
@{char@:tab clef (reduced)@:153@:-0.71278@:9.97925@:10.26442@:10.26442@:9.97925
@:0@:tab_change@} [153]
@{puorg@:clefs@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:2.805
01@:1.61487@:1.61487@:2.80501@:0@:drM2semimensural@} [73]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:2.23882@:0@:0@:0@:lyric.short@} [173]
@{char@:Default lyric tie@:174@:0@:0@:2.60088@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:15.87@}
@{parameter@:stafflinethickness@:0.46461@}
@{parameter@:staff_space@:3.9675@}
@{parameter@:linethickness@:0.46461@}
@{parameter@:black_notehead_width@:5.21574@}
@{parameter@:ledgerlinethickness@:0.92923@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:7.53767@:4.455@:4.455@:7.53767@:0@:C44@} [154]
@{char@:Default lyric tie@:174@:0@:0@:2.31735@:0@:0@:0@:lyric.default@} [174]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:2
.80501@:1.61487@:1.61487@:2.80501@:0@:srM2semiligmensural@} [74]
@{puorg@:ties@}
)
@{parameter@:staffsize@:14.14@}
@{parameter@:stafflinethickness@:0.44977@}
@{parameter@:staff_space@:3.535@}
@{parameter@:linethickness@:0.44977@}
@{parameter@:black_notehead_width@:4.64114@}
@{parameter@:ledgerlinethickness@:0.89954@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.35712pt)
(some chardp values had to be adjusted by as much as 0.27213pt)
Font metrics written on feta16.tfm.
142 output files written: feta16.33 .. feta16.174
Transcript written on feta16.log.

@{char@:Tick mark@:142@:3.00003@:5.49995@:0@:8.49998@:5.49995@:0@:tickmark@}
[142]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:2.80501@:1
.61487@:1.61487@:2.80501@:0@:srM1semimensural@} [75]
(some charht values had to be adjusted by as much as 0.31819pt)
(some chardp values had to be adjusted by as much as 0.22903pt)
Font metrics written on feta14.tfm.
142 output files written: feta14.33 .. feta14.174
Transcript written on feta14.log.

@{char@:Black mensural maxima notehead (up)@:76@:0@:5.61002@:1.61487@:1.61487@:
5.61002@:0@:uM3blackmensural@} [76]
@{char@:2/2 meter@:155@:0@:7.53767@:4.455@:4.455@:7.53767@:0@:C22@} [155]
@{puorg@:timesig@}
)
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.66667@:2.66667@:2.66667@:4@:2
.66667@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:Black mensural maxima notehead (down)@:77@:0@:5.61002@:1.61487@:1.61487
@:5.61002@:0@:dM3blackmensural@} [77]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Black mensural maxima notehead (ligature)@:78@:0@:5.61002@:1.61487@:1.6
1487@:5.61002@:0@:sM3blackligmensural@} [78](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:6.93001@:0@:6.93001@:6.93001@:0@:*@} [156]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:13.60002@:10@:10@:13.60002@:0@:C@} [144]
@{char@:Black mensural longa notehead (up)@:79@:0@:2.80501@:1.61487@:1.61487@:2
.80501@:0@:uM2blackmensural@} [79]
@{char@:Pedal dash@:157@:0@:3.89268@:0@:5.09143@:3.89268@:0@:M@} [157]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:10.98006@:8.00003@:8.00003@:10.98006@:0@:C_change@}
[145]
@{char@:Pedal dot@:158@:0@:1.29756@:0@:1.29756@:1.29756@:0@:.@} [158]
@{char@:Black mensural longa notehead (down)@:80@:0@:2.80501@:1.61487@:1.61487@
:2.80501@:0@:dM2blackmensural@} [80]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Black mensural longa notehead (ligature)@:81@:0@:2.80501@:1.61487@:1.61
487@:2.80501@:0@:sM2blackligmensural@} [81]
@{char@:F clef @:146@:0@:13.4167@:12.5@:5@:13.4167@:0@:F@} [146])
@{char@:Pedal P@:159@:0@:7.425@:0@:8.91@:7.425@:0@:P@} [159]
@{char@:Black mensural brevis notehead@:82@:0@:2.80501@:1.61487@:1.61487@:2.805
01@:0@:sM1blackmensural@} [82]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta13.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Pedal d@:160@:0@:5.94@:0@:7.79625@:5.94@:0@:d@} [160]
@{char@:F clef (reduced)@:147@:0@:10.7334@:10.00005@:4.00002@:10.7334@:0@:F_cha
nge@} [147]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Pedal e@:161@:0@:3.564@:0@:5.09143@:3.564@:0@:e@} [161] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
@{char@:Mensural semibrevis head@:83@:0@:1.61946@:1.40251@:1.40251@:0.80974@:0.
55309@:s0mensural@} [83]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Mensural minima head@:84@:0@:1.61946@:1.40251@:1.40251@:0.80974@:0.5530
9@:s1mensural@} [84]
@{char@:G clef@:148@:0@:12.82509@:12.75002@:24.00002@:12.82509@:0@:G@} [148]
@{char@:Pedal Ped@:162@:0@:14.22035@:0@:8.91@:14.22035@:0@:Ped@} [162]
@{puorg@:pedal@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf)
@{char@:Mensural semiminima head@:85@:0@:1.61946@:1.40251@:1.40251@:0.80974@:0.
55309@:s2mensural@} [85]
@{font@:GNU@:LilyPond@:feta@:12.6@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:8.46448@:1.00237@:6.09444@:8.46448@:0@:up@}
[163]
@{char@:G clef@:149@:0@:10.26012@:10.20006@:19.83444@:10.26012@:0@:G_change@}
[149]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta16
    font_weight:               Medium
    font_identifier:           feta15.87
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -63
    font_underline_thickness:  32
    font_name:                 feta16
    font_unique_id:            4989257
    font_size:                 15.8107098381071 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=63.2482671707624; bpppix 0.02; nonstopmode; input feta16.mf'"...

@{char@:Black mensural semibrevis head@:86@:0@:1.61946@:1.40251@:1.40251@:0.809
74@:0.55309@:s0blackmensural@} [86]
@{char@:bracket tip down@:164@:0@:8.46448@:6.09444@:1.00237@:8.46448@:0@:down@}
[164]
@{puorg@:brackettips@}
)
@{group@:rests@}
@{char@:whole rest@:33@:0@:4.72502@:1.96875@:0@:4.72502@:0@:0@} [33] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:percussion clef@:150@:-3.34999@:10@:5@:5@:10@:0@:percussion@} [150]
@{char@:half rest@:34@:0@:4.72502@:0@:1.96875@:4.72502@:0@:1@} [34]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta14
    font_weight:               Medium
    font_identifier:           feta14.14
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -71
    font_underline_thickness:  35
    font_name:                 feta14
    font_unique_id:            4631986
    font_size:                 14.0871731008717 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=70.9865629420085; bpppix 0.02; nonstopmode; input feta14.mf'"...

@{char@:percussion clef (reduced)@:151@:-2.68001@:8.00003@:4.00002@:4.00002@:8.
00003@:0@:percussion_change@} [151]
@{char@:Petrucci semibrevis head@:87@:0@:3.25555@:2.2608@:2.2608@:1.62778@:1.15
656@:s0petrucci@} [87]
@{group@:accordion@}
@{char@:accordion register discant@:165@:6.99539@:6.99539@:0.21901@:13.58403@:6
.99539@:0@:discant@} [165]
@{char@:whole rest (outside staff)@:35@:0@:4.72502@:1.96875@:0.43655@:4.72502@:
0@:0o@} [35]
@{char@:accordion register dot@:166@:1.11375@:1.11375@:1.11375@:1.11375@:1.1137
5@:0@:dot@} [166]
@{char@:Petrucci minima head@:88@:0@:3.25555@:2.2608@:2.2608@:1.62778@:1.15656@
:s1petrucci@} [88]
@{char@:half rest (outside staff)@:36@:0@:4.72502@:0.43655@:1.96875@:4.72502@:0
@:1o@} [36]
@{char@:maxima rest@:37@:0@:5.67@:3.15001@:3.15001@:5.67@:0@:M3@} [37]
@{char@:accordion register freebass@:167@:4.76788@:4.76788@:0.21901@:9.12901@:4
.76788@:0@:freebass@} [167]
@{char@:Petrucci semiminima head@:89@:0@:3.25555@:2.2608@:2.2608@:1.62778@:1.15
656@:s2petrucci@} [89]
@{char@:longa rest@:38@:0@:1.89@:3.15001@:3.15001@:1.89@:0@:M2@} [38]
@{char@:tab clef@:152@:-0.99998@:14.00002@:14.40009@:14.40009@:14.00002@:0@:tab
@} [152]
@{char@:Petrucci colored semibrevis head@:90@:0@:3.25555@:2.2608@:2.2608@:1.627
78@:1.15656@:s0blackpetrucci@} [90]
@{char@:breve rest@:39@:0@:1.89@:0@:3.15001@:1.89@:0@:M1@} [39]
@{char@:accordion register stdbass@:168@:9.22289@:9.22289@:0.21901@:18.03902@:9
.22289@:0@:stdbass@} [168]
@{char@:Petrucci colored minima head@:91@:0@:3.25555@:2.2608@:2.2608@:1.62778@:
1.15656@:s1blackpetrucci@} [91]
@{char@:breve rest (outside staff)@:40@:0@:1.89@:0.43655@:3.15001@:1.89@:0@:M1o
@} [40]
@{char@:Petrucci colored semiminima head@:92@:0@:3.25555@:2.2608@:2.2608@:1.627
78@:1.15656@:s2blackpetrucci@} [92]
@{char@:accordion register bayanbass@:169@:4.76788@:4.76788@:0.31288@:13.67789@
:4.76788@:0@:bayanbass@} [169]
@{char@:Quarter rest@:41@:0@:2.9925@:3.93752@:4.92189@:2.9925@:0@:2@} [41]
@{char@:tab clef (reduced)@:153@:-0.79999@:11.20006@:11.52011@:11.52011@:11.200
06@:0@:tab_change@} [153]
@{puorg@:clefs@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mpThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Classical quarter rest@:42@:0@:3.15001@:3.36829@:2.58302@:3.15001@:0@:2
classical@} [42](./mf2pt1.mp@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:8.49997@:5@:5@:8.49997@:0@:C44@} [154] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Ed. Vat. punctum@:93@:0@:1.62904@:1.01172@:1.09247@:1.62904@:0@:svatica
na.punctum@} [93]
@{char@:8th rest@:43@:0@:3.15001@:3.36829@:2.58302@:3.15001@:0@:3@} [43]
@{char@:2/2 meter@:155@:0@:8.49997@:5@:5@:8.49997@:0@:C22@} [155]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:16th rest@:44@:0@:3.78@:6.5183@:2.58302@:3.78@:0@:4@} [44]
@{char@:accordion oldEE@:170@:4.76788@:4.76788@:0@:9.34802@:4.76788@:0@:oldEE@}
[170]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:32th rest@:45@:0@:4.09502@:6.5183@:5.73303@:4.09502@:0@:5@} [45])
@{char@:Ed. Vat. punctum cavum@:94@:0@:1.62904@:1.01172@:1.09247@:1.62904@:0@:s
vaticana.punctum.cavum@} [94]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:7.77777@:0@:7.77777@:7.77777@:0@:*@} [156]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta16.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:accordion push@:171@:4.14154@:0@:0@:10.35402@:0@:0@:push@} [171]
@{char@:Pedal dash@:157@:0@:4.20021@:0@:5.71428@:4.20021@:0@:M@} [157]
@{char@:64th rest@:46@:0@:4.40999@:9.6683@:5.73303@:4.40999@:0@:6@} [46]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
))
@{char@:accordion pull@:172@:3.43744@:0.7041@:0@:10.35402@:0.7041@:0@:pull@}
[172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
@{char@:Pedal dot@:158@:0@:1.40007@:0@:1.40007@:1.40007@:0@:.@} [158]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta14.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Ed. Vat. linea punctum@:95@:0@:2.6596@:1.1304@:1.1304@:2.6596@:0@:svati
cana.linea.punctum@} [95] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:2.82146@:0@:0@:0@:lyric.short@} [173]
@{char@:128th rest@:47@:0@:4.72502@:9.6683@:8.88304@:4.72502@:0@:7@} [47]
@{puorg@:rests@}
))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Default lyric tie@:174@:0@:0@:2.92044@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:17.82@}
@{parameter@:stafflinethickness@:0.48134@}
@{parameter@:staff_space@:4.455@}
@{parameter@:linethickness@:0.48134@}
@{parameter@:black_notehead_width@:5.86116@}
@{parameter@:ledgerlinethickness@:0.96268@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Pedal P@:159@:0@:8.33333@:0@:10@:8.33333@:0@:P@} [159])
@{char@:Pedal d@:160@:0@:6.66667@:0@:8.75@:6.66667@:0@:d@} [160])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:2.6596@:1.1304@:1.1304@:2.6596@:0@
:svaticana.linea.punctum.cavum@} [96]
@{font@:GNU@:LilyPond@:feta@:15.87@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
(some charht values had to be adjusted by as much as 0.401pt)
(some chardp values had to be adjusted by as much as 0.3207pt)
Font metrics written on feta18.tfm.
142 output files written: feta18.33 .. feta18.174
Transcript written on feta18.log.

@{char@:Pedal e@:161@:0@:4@:0@:5.71428@:4@:0@:e@} [161]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:3.46503@:4.72502@:4.72502@:3.46503@:0@:sharp@} [48]
@{group@:rests@}
@{char@:whole rest@:33@:0@:5.95125@:2.47969@:0@:5.95125@:0@:0@} [33]
@{char@:Ed. Vat. inclinatum@:97@:0@:1.80919@:1.2919@:1.2919@:0.9046@:0.44247@:s
vaticana.inclinatum@} [97])
@{char@:half rest@:34@:0@:5.95125@:0@:2.47969@:5.95125@:0@:1@} [34]
@{font@:GNU@:LilyPond@:feta@:14.14@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{char@:Ed. Vat. pes lower punctum@:98@:0@:1.62904@:0.99554@:0.97942@:1.62904@:
0@:svaticana.lpes@} [98]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:3.46503@:4.72502@:8.50502@:3.46503@:0@
:sharp.arrowup@} [49]
@{char@:whole rest (outside staff)@:35@:0@:5.95125@:2.47969@:0.46461@:5.95125@:
0@:0o@} [35]
@{char@:half rest (outside staff)@:36@:0@:5.95125@:0.46461@:2.47969@:5.95125@:0
@:1o@} [36]
@{char@:mensural g clef@:79@:0@:3.50626@:1.82324@:10.65904@:3.50626@:0@:mensura
l.g@} [79]
@{group@:rests@}
@{char@:whole rest@:33@:0@:5.3025@:2.20938@:0@:5.3025@:0@:0@} [33]
@{char@:Pedal Ped@:162@:0@:15.95999@:0@:10@:15.95999@:0@:Ped@} [162]
@{char@:maxima rest@:37@:0@:7.14148@:3.9675@:3.9675@:7.14148@:0@:M3@} [37]
@{puorg@:pedal@}
)
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:1.62904@:1.35081@:0.62415@:1.629
04@:0@:svaticana.vlpes@} [99] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:Arrowed Sharp (arrow down)@:50@:0.65483@:3.46503@:8.50502@:4.72502@:3.4
6503@:0@:sharp.arrowdown@} [50]
@{char@:half rest@:34@:0@:5.3025@:0@:2.20938@:5.3025@:0@:1@} [34]
@{char@:longa rest@:38@:0@:2.3805@:3.9675@:3.9675@:2.3805@:0@:M2@} [38]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:1.62904@:0.97942@:0.99554@:1.62904@
:0@:svaticana.upes@} [100]
@{char@:whole rest (outside staff)@:35@:0@:5.3025@:2.20938@:0.44977@:5.3025@:0@
:0o@} [35]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:9.49997@:1.125@:6.84@:9.49997@:0@:up@} [163]
@{char@:breve rest@:39@:0@:2.3805@:0@:3.9675@:2.3805@:0@:M1@} [39]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:1.62904@:0.72104@:1.25392@:1.62
904@:0@:svaticana.vupes@} [101]
@{char@:bracket tip down@:164@:0@:9.49997@:6.84@:1.125@:9.49997@:0@:down@}
[164]
@{puorg@:brackettips@}
)
@{char@:half rest (outside staff)@:36@:0@:5.3025@:0.44977@:2.20938@:5.3025@:0@:
1o@} [36] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:breve rest (outside staff)@:40@:0@:2.3805@:0.46461@:3.9675@:2.3805@:0@:
M1o@} [40]
@{char@:Ed. Vat. plica@:102@:0@:0.97742@:0.69199@:0.74042@:0.97742@:0@:svatican
a.plica@} [102]
@{char@:maxima rest@:37@:0@:6.363@:3.535@:3.535@:6.363@:0@:M3@} [37]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.65483@:3.46503@:8.50502@:8.50
502@:3.46503@:0@:sharp.arrowboth@} [51]
@{char@:Quarter rest@:41@:0@:3.76912@:4.95938@:6.1992@:3.76912@:0@:2@} [41]
@{group@:accordion@}
@{char@:accordion register discant@:165@:7.82503@:7.82503@:0.22752@:15.22752@:7
.82503@:0@:discant@} [165]
@{char@:longa rest@:38@:0@:2.121@:3.535@:3.535@:2.121@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:2.121@:0@:3.535@:2.121@:0@:M1@} [39]
@{char@:accordion register dot@:166@:1.25@:1.25@:1.25@:1.25@:1.25@:0@:dot@}
[166]
@{char@:Classical quarter rest@:42@:0@:3.9675@:4.19981@:3.25336@:3.9675@:0@:2cl
assical@} [42]
@{char@:1/2 Sharp@:52@:0@:2.205@:4.72502@:4.72502@:2.205@:0@:sharp.slashslash.s
tem@} [52]
@{char@:Ed. Vat. var plica@:103@:0@:0.97742@:0.92937@:0.63867@:0.97742@:0@:svat
icana.vplica@} [103]
@{char@:accordion register freebass@:167@:5.32503@:5.32503@:0.22752@:10.22752@:
5.32503@:0@:freebass@} [167]
@{char@:8th rest@:43@:0@:3.9675@:4.19981@:3.25336@:3.9675@:0@:3@} [43]
@{char@:Ed. Vat. epiphonus@:104@:0@:1.62904@:1.15707@:1.17322@:1.62904@:0@:svat
icana.epiphonus@} [104]
@{char@:breve rest (outside staff)@:40@:0@:2.121@:0.44977@:3.535@:2.121@:0@:M1o
@} [40]
@{char@:Sharp (3 beams)@:53@:0@:3.46503@:4.72502@:4.72502@:3.46503@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:16th rest@:44@:0@:4.76099@:8.16731@:3.25336@:4.76099@:0@:4@} [44]
@{char@:Ed. Vat. var epiphonus@:105@:0@:1.62904@:1.51234@:0.81795@:1.62904@:0@:
svaticana.vepiphonus@} [105]
@{char@:accordion register stdbass@:168@:10.32503@:10.32503@:0.22752@:20.22752@
:10.32503@:0@:stdbass@} [168]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta18
    font_weight:               Medium
    font_identifier:           feta17.82
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -56
    font_underline_thickness:  28
    font_name:                 feta18
    font_unique_id:            4662728
    font_size:                 17.7534246575342 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=56.3271604938272; bpppix 0.02; nonstopmode; input feta18.mf'"...

@{char@:Quarter rest@:41@:0@:3.35825@:4.41876@:5.52344@:3.35825@:0@:2@} [41]
@{char@:Ed. Vat. rev. plica@:106@:0@:0.97742@:0.74042@:0.69199@:0.97742@:0@:sva
ticana.reverse.plica@} [106]
@{char@:32th rest@:45@:0@:5.15776@:8.16731@:7.22086@:5.15776@:0@:5@} [45]
@{char@:1/2 Sharp (3 beams)@:54@:0@:2.9925@:4.09502@:4.09502@:2.9925@:0@:sharp.
slashslashslash.stem@} [54]
@{char@:accordion register bayanbass@:169@:5.32503@:5.32503@:0.32503@:15.32503@
:5.32503@:0@:bayanbass@} [169]
@{char@:Classical quarter rest@:42@:0@:3.535@:3.75989@:2.89871@:3.535@:0@:2clas
sical@} [42]
@{char@:Ed. Vat. rev. var plica@:107@:0@:0.97742@:1.065@:0.50304@:0.97742@:0@:s
vaticana.reverse.vplica@} [107]
@{char@:8th rest@:43@:0@:3.535@:3.75989@:2.89871@:3.535@:0@:3@} [43]
@{char@:64th rest@:46@:0@:5.55447@:12.13481@:7.22086@:5.55447@:0@:6@} [46]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:1.62904@:1.17322@:1.15707@:1.62904@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:16th rest@:44@:0@:4.24199@:7.29489@:2.89871@:4.24199@:0@:4@} [44]
@{char@:3/4 Sharp@:55@:0@:5.04004@:4.72502@:4.72502@:5.04004@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:128th rest@:47@:0@:5.95125@:12.13481@:11.18835@:5.95125@:0@:7@} [47]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:Ed. Vat. cephalicus@:109@:0@:1.62904@:3.76508@:1.15707@:1.62904@:0@:sva
ticana.cephalicus@} [109]
@{char@:32th rest@:45@:0@:4.59552@:7.29489@:6.43372@:4.59552@:0@:5@} [45]
@{char@:Natural@:56@:0@:2.1@:4.72502@:4.72502@:2.1@:0@:natural@} [56]
@{char@:Ed. Vat. quilisma@:110@:0@:1.62904@:0.90431@:1.1627@:1.62904@:0@:svatic
ana.quilisma@} [110]
@{char@:mensural g clef@:80@:0@:2.80502@:1.4586@:8.52728@:2.80502@:0@:mensural.
g_change@} [80]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:64th rest@:46@:0@:4.94899@:10.8299@:6.43372@:4.94899@:0@:6@} [46]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.13075@:0.80743@:0.80743@:
0.56538@:-0.04199@:ssolesmes.incl.parvum@} [111]
@{char@:accordion oldEE@:170@:5.32503@:5.32503@:0@:10.45503@:5.32503@:0@:oldEE@
} [170]
@{char@:Hufnagel do clef@:81@:0@:3.08553@:1.9635@:2.10376@:3.08553@:0@:hufnagel
.do@} [81]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:4.36427@:5.95125@:5.95125@:4.36427@:0@:sharp@} [48](./mf2pt1.mp
@{char@:Arrowed Natural (arrow up)@:57@:1.30966@:2.1@:4.72502@:8.50502@:2.1@:0@
:natural.arrowup@} [57] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Solesmes punctum auctum ascendens@:112@:0@:1.62904@:1.044@:1.80301@:1.6
2904@:0@:ssolesmes.auct.asc@} [112]
@{char@:accordion push@:171@:4.59999@:0@:0@:11.50014@:0@:0@:push@} [171]
@{char@:128th rest@:47@:0@:5.3025@:10.8299@:9.96872@:5.3025@:0@:7@} [47]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:Hufnagel do clef@:82@:0@:2.46843@:1.5708@:1.68301@:2.46843@:0@:hufnagel
.do_change@} [82]
@{char@:accordion pull@:172@:3.84993@:0.75006@:0@:11.50014@:0.75006@:0@:pull@}
[172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:Arrowed Sharp (arrow up)@:49@:0@:4.36427@:5.95125@:10.71223@:4.36427@:0
@:sharp.arrowup@} [49]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.1@:8.50502@:4.72502@:2.1@:0@:nat
ural.arrowdown@} [58]
@{char@:Hufnagel fa clef@:83@:0@:3.366@:3.22574@:2.80501@:3.366@:0@:hufnagel.fa
@} [83]
@{char@:Solesmes punctum auctum descendens@:113@:0@:1.62904@:1.80301@:1.044@:1.
62904@:0@:ssolesmes.auct.desc@} [113]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:3.16663@:0@:0@:0@:lyric.short@} [173]
@{char@:Arrowed Sharp (arrow down)@:50@:0.69693@:4.36427@:10.71223@:5.95125@:4.
36427@:0@:sharp.arrowdown@} [50]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:3.88852@:5.3025@:5.3025@:3.88852@:0@:sharp@} [48]
@{char@:Default lyric tie@:174@:0@:0@:3.27773@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:20@}
@{parameter@:stafflinethickness@:0.50005@}
@{parameter@:staff_space@:5@}
@{parameter@:linethickness@:0.50005@}
@{parameter@:black_notehead_width@:6.58089@}
@{parameter@:ledgerlinethickness@:1.00009@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Arrowed Natural (arrows up and down)@:59@:1.30966@:2.1@:8.50502@:8.5050
2@:2.1@:0@:natural.arrowboth@} [59]
@{char@:Solesmes punctum incl. auctum@:114@:0@:1.80919@:1.2919@:1.2919@:0.9046@
:0.44247@:ssolesmes.incl.auctum@} [114]
@{char@:Hufnagel fa clef@:84@:0@:2.69281@:2.58061@:2.24402@:2.69281@:0@:hufnage
l.fa_change@} [84]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.69693@:4.36427@:10.71223@:10.
71223@:4.36427@:0@:sharp.arrowboth@} [51]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:3.88852@:5.3025@:9.5445@:3.88852@:0@:s
harp.arrowup@} [49]
(some charht values had to be adjusted by as much as 0.45006pt)
(some chardp values had to be adjusted by as much as 0.36115pt)
Font metrics written on feta20.tfm.
142 output files written: feta20.33 .. feta20.174
Transcript written on feta20.log.

Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Hufnagel do/fa clef@:85@:0@:3.366@:8.83575@:2.10376@:3.366@:0@:hufnagel
.do.fa@} [85]
@{char@:1/2 Sharp@:52@:0@:2.77724@:5.95125@:5.95125@:2.77724@:0@:sharp.slashsla
sh.stem@} [52]
@{char@:Solesmes stropha@:115@:0@:1.80919@:1.2919@:1.2919@:0.9046@:0.44247@:sso
lesmes.stropha@} [115]
@{char@:Flat@:60@:0.52386@:2.52002@:1.89003@:5.985@:2.52002@:0@:flat@} [60]
@{char@:Hufnagel do/fa clef@:86@:0@:2.69281@:8.19063@:1.68301@:2.69281@:0@:hufn
agel.do.fa_change@} [86]
@{char@:Sharp (3 beams)@:53@:0@:4.36427@:5.95125@:5.95125@:4.36427@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:Arrowed Sharp (arrow down)@:50@:0.67465@:3.88852@:9.5445@:5.3025@:3.888
52@:0@:sharp.arrowdown@} [50]
@{char@:Solesmes stropha aucta@:116@:0@:1.80919@:1.2919@:1.2919@:0.9046@:0.4424
7@:ssolesmes.stropha.aucta@} [116]
@{char@:Arrowed Flat (arrow up)@:61@:1.5061@:2.52002@:1.89003@:8.50502@:2.52002
@:0@:flat.arrowup@} [61]
@{char@:Kievan tsefaut clef@:87@:0@:4.20752@:6.31126@:1.54277@:4.20752@:0@:kiev
an.do@} [87]
@{char@:Solesmes oriscus@:117@:0@:1.93935@:0.96893@:0.96893@:1.93935@:0@:ssoles
mes.oriscus@} [117]
@{char@:Kievan tsefaut clef@:88@:0@:4.20752@:6.31126@:1.54277@:4.20752@:0@:kiev
an.do_change@} [88]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:Arrowed Flat (arrow down)@:62@:1.5061@:2.52002@:6.93007@:5.985@:2.52002
@:0@:flat.arrowdown@} [62]
@{char@:1/2 Sharp (3 beams)@:54@:0@:3.76912@:5.15776@:5.15776@:3.76912@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:Ed. Med. inclinatum@:118@:0@:2.3569@:1.683@:1.683@:1.17845@:0.83357@:sm
edicaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:2.24397@:1.40251@:1.40251@:2.24397@:0@:smedic
aea.punctum@} [119]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:1.93785@:1.61487@:2.80501@:1.93785@:0@:hufnagel
.u0@} [89]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.5061@:2.52002@:6.93007@:8.50502
@:2.52002@:0@:flat.arrowboth@} [63]
@{char@:Ed. Med. reverse virga@:120@:0@:2.24397@:1.40251@:7.01253@:2.24397@:0@:
smedicaea.rvirga@} [120]
@{char@:Custos Hufnagel@:90@:0@:1.93785@:1.61487@:4.20752@:1.93785@:0@:hufnagel
.u1@} [90]
@{char@:3/4 Sharp@:55@:0@:6.34802@:5.95125@:5.95125@:6.34802@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:Ed. Med. virga@:121@:0@:2.24397@:7.01253@:1.40251@:2.24397@:0@:smedicae
a.virga@} [121]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.67465@:3.88852@:9.5445@:9.544
5@:3.88852@:0@:sharp.arrowboth@} [51]
@{char@:Custos Hufnagel@:91@:0@:1.93785@:1.61487@:3.50626@:1.93785@:0@:hufnagel
.u2@} [91]
@{char@:Flat (slashed)@:64@:1.25998@:2.52002@:1.89003@:5.985@:2.52002@:0@:flat.
slash@} [64]
@{char@:1/2 Sharp@:52@:0@:2.47449@:5.3025@:5.3025@:2.47449@:0@:sharp.slashslash
.stem@} [52]
@{char@:Reverse Custos Hufnagel@:92@:0@:1.93785@:2.80501@:1.61487@:1.93785@:0@:
hufnagel.d0@} [92]
@{char@:Natural@:56@:0@:2.645@:5.95125@:5.95125@:2.645@:0@:natural@} [56]
@{char@:Hufnagel punctum@:122@:0@:4.00597@:1.40251@:1.40251@:2.00299@:0.55309@:
shufnagel.punctum@} [122])
@{char@:Reverse Custos Hufnagel@:93@:0@:1.93785@:4.20752@:1.61487@:1.93785@:0@:
hufnagel.d1@} [93]
@{char@:Sharp (3 beams)@:53@:0@:3.88852@:5.3025@:5.3025@:3.88852@:0@:sharp.slas
hslashslash.stemstem@} [53]
@{char@:Arrowed Natural (arrow up)@:57@:1.39384@:2.645@:5.95125@:10.71223@:2.64
5@:0@:natural.arrowup@} [57]
@{char@:Flat (slashed twice)@:65@:1.25998@:2.52002@:1.89003@:5.985@:2.52002@:0@
:flat.slashslash@} [65]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta18.mf
@{char@:Hufnagel virga@:123@:0@:4.00597@:4.20752@:1.40251@:4.00597@:0@:shufnage
l.virga@} [123]
@{char@:Reverse Custos Hufnagel@:94@:0@:1.93785@:3.50626@:1.61487@:1.93785@:0@:
hufnagel.d2@} [94]
@{char@:1/2 Sharp (3 beams)@:54@:0@:3.35825@:4.59552@:4.59552@:3.35825@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:Flatflat (mirrored)@:66@:0@:5.04004@:1.89003@:5.985@:5.04004@:0@:mirror
edflat.flat@} [66]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.645@:10.71223@:5.95125@:2.645@:0
@:natural.arrowdown@} [58]
@{char@:Hufnagel pes lower punctum@:124@:0@:5.61002@:0.98175@:0.98175@:5.61002@
:0@:shufnagel.lpes@} [124]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Semi flat@:67@:0.52386@:2.52002@:1.89003@:5.985@:2.52002@:0@:mirroredfl
at@} [67] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
@{char@:Custos Med.@:95@:0@:0.80743@:1.61487@:2.80501@:0.80743@:0@:medicaea.u0@
} [95]
@{char@:Kievan final note@:125@:0@:3.3581@:4.20752@:4.20752@:3.3581@:0@:sM2kiev
an@} [125]
@{char@:3/4 Sharp@:55@:0@:5.65602@:5.3025@:5.3025@:5.65602@:0@:sharp.slashslash
.stemstemstem@} [55]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta20
    font_weight:               Medium
    font_identifier:           feta20
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -50
    font_underline_thickness:  25
    font_name:                 feta20
    font_unique_id:            4132778
    font_size:                 19.9252801992528 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=50.1875; bpppix 0.02; nonstopmode; input feta20.mf'"...

@{char@:Arrowed Natural (arrows up and down)@:59@:1.39384@:2.645@:10.71223@:10.
71223@:2.645@:0@:natural.arrowboth@} [59]
@{char@:Custos Med.@:96@:0@:0.80743@:1.61487@:4.20752@:0.80743@:0@:medicaea.u1@
} [96]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Kievan recitative mark@:126@:0@:16.31659@:2.3803@:2.3803@:16.31659@:0@:
sM1kievan@} [126]
@{char@:Semi flat@:68@:1.25998@:2.52002@:1.89003@:5.985@:2.52002@:0@:mirroredfl
at.backslash@} [68]
@{char@:Kievan whole note@:127@:0@:2.80501@:2.80501@:2.80501@:2.80501@:0@:s0kie
van@} [127]
@{char@:Flat@:60@:0.55754@:3.17401@:2.38052@:7.53822@:3.17401@:0@:flat@} [60]
@{char@:Natural@:56@:0@:2.35667@:5.3025@:5.3025@:2.35667@:0@:natural@} [56]
@{char@:Kievan quarter note down@:128@:0@:2.86111@:7.01253@:1.12198@:2.86111@:0
@:d2kievan@} [128]
@{char@:Custos Med.@:97@:0@:0.80743@:1.61487@:3.50626@:0.80743@:0@:medicaea.u2@
} [97]
@{char@:Double Flat@:69@:0.52386@:4.5675@:1.89003@:5.985@:4.5675@:0@:flatflat@}
[69]
@{char@:Arrowed Flat (arrow up)@:61@:1.60292@:3.17401@:2.38052@:10.71223@:3.174
01@:0@:flat.arrowup@} [61]
@{char@:Kievan quarter note up@:129@:0@:2.86111@:1.12198@:7.29305@:2.86111@:0@:
u2kievan@} [129])
@{char@:Reverse Custos Med.@:98@:0@:0.80743@:2.80501@:1.61487@:0.80743@:0@:medi
caea.d0@} [98]
@{char@:Arrowed Natural (arrow up)@:57@:1.3493@:2.35667@:5.3025@:9.5445@:2.3566
7@:0@:natural.arrowup@} [57]
@{char@:Arrowed Flat (arrow down)@:62@:1.60292@:3.17401@:8.72855@:7.53822@:3.17
401@:0@:flat.arrowdown@} [62]
@{char@:Kievan half note (line position)@:130@:0@:2.9733@:4.48804@:2.80501@:2.9
733@:0@:s1kievan@} [130]
@{char@:Reverse Custos Med.@:99@:0@:0.80743@:4.20752@:1.61487@:0.80743@:0@:medi
caea.d1@} [99]
@{char@:Kievan half note (space position)@:131@:0@:3.08553@:2.80501@:3.92699@:3
.08553@:0@:sr1kievan@} [131]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.60292@:3.17401@:8.72855@:10.712
23@:3.17401@:0@:flat.arrowboth@} [63]
@{char@:3/4 Flat@:70@:0.52386@:4.5675@:1.89003@:5.985@:4.5675@:0@:flatflat.slas
h@} [70]
@{char@:Kievan eighth note (down)@:132@:0@:3.50626@:8.41502@:1.40251@:3.50626@:
0@:d3kievan@} [132]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.35667@:9.5445@:5.3025@:2.35667@:
0@:natural.arrowdown@} [58]
@{char@:Reverse Custos Med.@:100@:0@:0.80743@:3.50626@:1.61487@:0.80743@:0@:med
icaea.d2@} [100]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Kievan eighth note (up)@:133@:0@:2.80501@:1.12198@:8.1345@:2.80501@:0@:
u3kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )(./mf2pt1.mp
@{char@:Double Sharp@:71@:0@:3.15001@:1.57501@:1.57501@:3.15001@:0@:doublesharp
@} [71] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Flat (slashed)@:64@:1.58698@:3.17401@:2.38052@:7.53822@:3.17401@:0@:fla
t.slash@} [64]
@{char@:Right Parenthesis@:72@:0@:2.01157@:3.15001@:3.15001@:2.01157@:0@:rightp
aren@} [72]
(some charht values had to be adjusted by as much as 0.06783pt)
Font metrics written on parmesan-noteheads11.tfm.
101 output files written: parmesan-noteheads11.33 .. parmesan-noteheads11.133
Transcript written on parmesan-noteheads11.log.

@{char@:Left Parenthesis@:73@:2.01157@:0@:3.15001@:3.15001@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:Arrowed Natural (arrows up and down)@:59@:1.3493@:2.35667@:9.5445@:9.54
45@:2.35667@:0@:natural.arrowboth@} [59]
@{group@:arrowheads@}
@{char@:open@:74@:3.15001@:0.34924@:1.57501@:1.57501@:0.34924@:0@:open.01@}
[74]
@{char@:open@:75@:0.34924@:3.15001@:1.57501@:1.57501@:3.15001@:0@:open.0M1@}
[75]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Flat (slashed twice)@:65@:1.58698@:3.17401@:2.38052@:7.53822@:3.17401@:
0@:flat.slashslash@} [65]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:open@:76@:1.57501@:1.57501@:3.15001@:0.34924@:1.57501@:0@:open.11@}
[76]
@{char@:Flat@:60@:0.53972@:2.82802@:2.12102@:6.71649@:2.82802@:0@:flat@} [60]
@{char@:Custos Ed. Vat.@:101@:0@:0.77515@:1.00127@:2.80501@:0.77515@:0@:vatican
a.u0@} [101]
@{char@:open@:77@:1.57501@:1.57501@:0.34924@:3.15001@:1.57501@:0@:open.1M1@}
[77])
@{char@:Flatflat (mirrored)@:66@:0@:6.34802@:2.38052@:7.53822@:6.34802@:0@:mirr
oredflat.flat@} [66]
@{char@:close@:78@:3.15001@:0@:1.57501@:1.57501@:0@:0@:close.01@} [78]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta20.mf
@{char@:Arrowed Flat (arrow up)@:61@:1.5517@:2.82802@:2.12102@:9.54451@:2.82802
@:0@:flat.arrowup@} [61]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:close@:79@:0@:3.15001@:1.57501@:1.57501@:3.15001@:0@:close.0M1@} [79]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Custos Ed. Vat.@:102@:0@:0.77515@:1.00127@:4.20752@:0.77515@:0@:vatican
a.u1@} [102]
@{char@:Semi flat@:67@:0.55754@:3.17401@:2.38052@:7.53822@:3.17401@:0@:mirrored
flat@} [67] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:close@:80@:1.57501@:1.57501@:3.15001@:0@:1.57501@:0@:close.11@} [80]
@{char@:Arrowed Flat (arrow down)@:62@:1.5517@:2.82802@:7.77704@:6.71649@:2.828
02@:0@:flat.arrowdown@} [62]
@{char@:Custos Ed. Vat.@:103@:0@:0.77515@:1.00127@:3.50626@:0.77515@:0@:vatican
a.u2@} [103]
@{char@:close@:81@:1.57501@:1.57501@:0@:3.15001@:1.57501@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Semi flat@:68@:1.58698@:3.17401@:2.38052@:7.53822@:3.17401@:0@:mirrored
flat.backslash@} [68]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:0.77515@:2.80501@:1.00127@:0.77515@:0@
:vaticana.d0@} [104]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.35674@:0.67838@:0.67838@:1.35674@:0@:dot@} [82]
@{puorg@:dots@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf))
@{char@:Reverse Custos Ed. Vat.@:105@:0@:0.77515@:4.20752@:1.00127@:0.77515@:0@
:vaticana.d1@} [105]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.5517@:2.82802@:7.77704@:9.54451
@:2.82802@:0@:flat.arrowboth@} [63]
@{group@:scripts@}
@{char@:fermata up@:83@:4.26494@:4.26494@:0.32742@:4.65869@:4.26494@:0@:ufermat
a@} [83]
@{font@:GNU@:LilyPond@:feta@:17.82@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{font@:GNU@:LilyPond@:feta@:20@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{char@:Reverse Custos Ed. Vat.@:106@:0@:0.77515@:3.50626@:1.00127@:0.77515@:0@
:vaticana.d2@} [106]
@{char@:Double Flat@:69@:0.55754@:5.75287@:2.38052@:7.53822@:5.75287@:0@:flatfl
at@} [69]
@{char@:fermata down@:84@:4.26494@:4.26494@:4.65869@:0.32742@:4.26494@:0@:dferm
ata@} [84]
@{group@:rests@}
@{char@:whole rest@:33@:0@:7.5@:3.125@:0@:7.5@:0@:0@} [33]
@{char@:half rest@:34@:0@:7.5@:0@:3.125@:7.5@:0@:1@} [34]
@{char@:Flat (slashed)@:64@:1.41399@:2.82802@:2.12102@:6.71649@:2.82802@:0@:fla
t.slash@} [64]
@{char@:short fermata up@:85@:3.15001@:3.15001@:0@:6.93001@:3.15001@:0@:ushortf
ermata@} [85]
@{char@:whole rest (outside staff)@:35@:0@:7.5@:3.125@:0.50005@:7.5@:0@:0o@}
[35]
@{char@:3/4 Flat@:70@:0.55754@:5.75287@:2.38052@:7.53822@:5.75287@:0@:flatflat.
slash@} [70]
@{char@:Custos Mensural@:107@:0@:3.87566@:1.06581@:5.61002@:3.87566@:0@:mensura
l.u0@} [107]
@{char@:short fermata down@:86@:3.15001@:3.15001@:6.93001@:0@:3.15001@:0@:dshor
tfermata@} [86]
@{char@:half rest (outside staff)@:36@:0@:7.5@:0.50005@:3.125@:7.5@:0@:1o@}
[36]
@{char@:Double Sharp@:71@:0@:3.9675@:1.98375@:1.98375@:3.9675@:0@:doublesharp@}
[71]
@{char@:maxima rest@:37@:0@:9@:5@:5@:9@:0@:M3@} [37]
@{char@:long fermata up@:87@:3.93752@:3.93752@:0@:4.72502@:3.93752@:0@:ulongfer
mata@} [87]
@{char@:Right Parenthesis@:72@:0@:2.44836@:3.9675@:3.9675@:2.44836@:0@:rightpar
en@} [72]
@{group@:rests@}
@{char@:whole rest@:33@:0@:6.68251@:2.78438@:0@:6.68251@:0@:0@} [33]
@{char@:Custos Mensural@:108@:0@:3.87566@:1.06581@:7.01253@:3.87566@:0@:mensura
l.u1@} [108]
@{char@:long fermata down@:88@:3.93752@:3.93752@:4.72502@:0@:3.93752@:0@:dlongf
ermata@} [88]
@{char@:longa rest@:38@:0@:3@:5@:5@:3@:0@:M2@} [38]
@{char@:half rest@:34@:0@:6.68251@:0@:2.78438@:6.68251@:0@:1@} [34]
@{char@:Custos Mensural@:109@:0@:3.87566@:1.06581@:6.31126@:3.87566@:0@:mensura
l.u2@} [109]
@{char@:Flat (slashed twice)@:65@:1.41399@:2.82802@:2.12102@:6.71649@:2.82802@:
0@:flat.slashslash@} [65]
@{char@:breve rest@:39@:0@:3@:0@:5@:3@:0@:M1@} [39]
@{char@:whole rest (outside staff)@:35@:0@:6.68251@:2.78438@:0.48134@:6.68251@:
0@:0o@} [35]
@{char@:Reverse Custos Mensural@:110@:0@:3.87566@:5.61002@:1.06581@:3.87566@:0@
:mensural.d0@} [110]
@{char@:very long fermata up@:89@:4.72502@:4.72502@:0@:5.04004@:4.72502@:0@:uve
rylongfermata@} [89]
@{char@:Flatflat (mirrored)@:66@:0@:5.65602@:2.12102@:6.71649@:5.65602@:0@:mirr
oredflat.flat@} [66]
@{char@:Reverse Custos Mensural@:111@:0@:3.87566@:7.01253@:1.06581@:3.87566@:0@
:mensural.d1@} [111]
@{char@:half rest (outside staff)@:36@:0@:6.68251@:0.48134@:2.78438@:6.68251@:0
@:1o@} [36]
@{char@:breve rest (outside staff)@:40@:0@:3@:0.50005@:5@:3@:0@:M1o@} [40]
@{char@:Semi flat@:67@:0.53972@:2.82802@:2.12102@:6.71649@:2.82802@:0@:mirrored
flat@} [67]
@{char@:very long fermata down@:90@:4.72502@:4.72502@:5.04004@:0@:4.72502@:0@:d
verylongfermata@} [90]
@{char@:Reverse Custos Mensural@:112@:0@:3.87566@:6.31126@:1.06581@:3.87566@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Quarter rest@:41@:0@:4.74998@:6.25@:7.8125@:4.74998@:0@:2@} [41]
@{char@:maxima rest@:37@:0@:8.01901@:4.455@:4.455@:8.01901@:0@:M3@} [37]
@{char@:Thumb@:91@:1.26001@:1.26001@:2.52003@:1.57501@:1.26001@:0@:thumb@}
[91]
@{char@:longa rest@:38@:0@:2.673@:4.455@:4.455@:2.673@:0@:M2@} [38]
@{char@:Classical quarter rest@:42@:0@:5@:5.25003@:4.1@:5@:0@:2classical@}
[42]
@{char@:Semi flat@:68@:1.41399@:2.82802@:2.12102@:6.71649@:2.82802@:0@:mirrored
flat.backslash@} [68]
@{char@:Left Parenthesis@:73@:2.44836@:0@:3.9675@:3.9675@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:> accent@:92@:2.83499@:2.83499@:1.57501@:1.57501@:2.83499@:0@:sforzato@
} [92]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.28052@:1.68303@:1.68303@:2.80501@:1.68303@:0@:med
icaeaM1@} [113]
@{char@:espr@:93@:5.985@:5.985@:1.57501@:1.57501@:5.985@:0@:espr@} [93]
@{char@:breve rest@:39@:0@:2.673@:0@:4.455@:2.673@:0@:M1@} [39]
@{group@:arrowheads@}
@{char@:open@:74@:3.9675@:0.3717@:1.98375@:1.98375@:0.3717@:0@:open.01@} [74]
@{char@:8th rest@:43@:0@:5@:5.25003@:4.1@:5@:0@:3@} [43]
@{char@:staccato dot@:94@:0.62999@:0.62999@:0.62999@:0.62999@:0.62999@:0@:stacc
ato@} [94]
@{char@:Double Flat@:69@:0.53972@:5.12575@:2.12102@:6.71649@:5.12575@:0@:flatfl
at@} [69]
@{char@:open@:75@:0.3717@:3.9675@:1.98375@:1.98375@:3.9675@:0@:open.0M1@} [75]
@{char@:Ed. Vat. Flat@:114@:0.10619@:1.5087@:0.95369@:2.55257@:1.5087@:0@:vatic
anaM1@} [114]
@{char@:staccatissimo/martellato up@:95@:0.75157@:0.75157@:0.2@:3.27159@:0.7515
7@:0@:ustaccatissimo@} [95]
@{char@:16th rest@:44@:0@:5.99998@:10.25003@:4.1@:5.99998@:0@:4@} [44]
@{char@:open@:76@:1.98375@:1.98375@:3.9675@:0.3717@:1.98375@:0@:open.11@} [76]
@{char@:breve rest (outside staff)@:40@:0@:2.673@:0.48134@:4.455@:2.673@:0@:M1o
@} [40]
@{char@:32th rest@:45@:0@:6.50002@:10.25003@:9.1@:6.50002@:0@:5@} [45]
@{char@:open@:77@:1.98375@:1.98375@:0.3717@:3.9675@:1.98375@:0@:open.1M1@}
[77]
@{char@:staccatissimo/martellato down@:96@:0.75157@:0.75157@:3.27159@:0.2@:0.75
157@:0@:dstaccatissimo@} [96]
@{char@:Quarter rest@:41@:0@:4.23224@:5.56876@:6.96094@:4.23224@:0@:2@} [41]
@{char@:portato/single tenuto@:97@:1.89003@:1.89003@:0.34924@:0.34924@:1.89003@
:0@:tenuto@} [97]
@{char@:Ed. Vat. Natural@:115@:0.16988@:1.29185@:2.13179@:2.13179@:1.29185@:0@:
vaticana0@} [115]
@{char@:3/4 Flat@:70@:0.53972@:5.12575@:2.12102@:6.71649@:5.12575@:0@:flatflat.
slash@} [70]
@{char@:close@:78@:3.9675@:0@:1.98375@:1.98375@:0@:0@:close.01@} [78]
@{char@:64th rest@:46@:0@:6.99997@:15.25003@:9.1@:6.99997@:0@:6@} [46]
@{char@:Classical quarter rest@:42@:0@:4.455@:4.69568@:3.6531@:4.455@:0@:2class
ical@} [42]
@{char@:Double Sharp@:71@:0@:3.535@:1.7675@:1.7675@:3.535@:0@:doublesharp@}
[71]
@{char@:close@:79@:0@:3.9675@:1.98375@:1.98375@:3.9675@:0@:close.0M1@} [79]
@{char@:portato/tenuto with staccato@:98@:1.89003@:1.89003@:0.30559@:2.22488@:1
.89003@:0@:uportato@} [98]
@{char@:8th rest@:43@:0@:4.455@:4.69568@:3.6531@:4.455@:0@:3@} [43]
@{char@:Right Parenthesis@:72@:0@:2.21727@:3.535@:3.535@:2.21727@:0@:rightparen
@} [72]
@{char@:close@:80@:1.98375@:1.98375@:3.9675@:0@:1.98375@:0@:close.11@} [80]
@{char@:128th rest@:47@:0@:7.5@:15.25003@:14.1@:7.5@:0@:7@} [47]
@{char@:portato/tenuto with staccato@:99@:1.89003@:1.89003@:2.22488@:0.30559@:1
.89003@:0@:dportato@} [99]
@{puorg@:rests@}
)
@{char@:Left Parenthesis@:73@:2.21727@:0@:3.535@:3.535@:0@:0@:leftparen@} [73]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:16th rest@:44@:0@:5.346@:9.15068@:3.6531@:5.346@:0@:4@} [44]
@{char@:close@:81@:1.98375@:1.98375@:0@:3.9675@:1.98375@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
)
@{group@:arrowheads@}
@{char@:open@:74@:3.535@:0.35982@:1.7675@:1.7675@:0.35982@:0@:open.01@} [74]
@{char@:marcato up@:100@:1.57501@:1.57501@:0@:3.46503@:1.57501@:0@:umarcato@}
[100] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{char@:32th rest@:45@:0@:5.79152@:9.15068@:8.10811@:5.79152@:0@:5@} [45]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:5.50003@:7.5@:7.5@:5.50003@:0@:sharp@} [48]
@{char@:open@:75@:0.35982@:3.535@:1.7675@:1.7675@:3.535@:0@:open.0M1@} [75]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.75145@:0.87573@:0.87573@:1.75145@:0@:dot@} [82]
@{puorg@:dots@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:marcato down@:101@:1.57501@:1.57501@:3.46503@:0@:1.57501@:0@:dmarcato@}
[101]
@{char@:open@:76@:1.7675@:1.7675@:3.535@:0.35982@:1.7675@:0@:open.11@} [76]
@{char@:64th rest@:46@:0@:6.23697@:13.60568@:8.10811@:6.23697@:0@:6@} [46]
@{char@:open (unstopped)@:102@:1.26001@:1.26001@:1.57501@:1.57501@:1.26001@:0@:
open@} [102]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:5.50003@:7.5@:13.49998@:5.50003@:0@:sh
arp.arrowup@} [49]
@{group@:scripts@}
@{char@:fermata up@:83@:5.30785@:5.30785@:0.34846@:5.80379@:5.30785@:0@:ufermat
a@} [83]
@{char@:open@:77@:1.7675@:1.7675@:0.35982@:3.535@:1.7675@:0@:open.1M1@} [77]
@{char@:fermata down@:84@:5.30785@:5.30785@:5.80379@:0.34846@:5.30785@:0@:dferm
ata@} [84]
@{char@:halfopen (unstopped)@:103@:1.26001@:1.26001@:1.57501@:1.57501@:1.26001@
:0@:halfopen@} [103]
@{char@:close@:78@:3.535@:0@:1.7675@:1.7675@:0@:0@:close.01@} [78]
@{char@:128th rest@:47@:0@:6.68251@:13.60568@:12.56311@:6.68251@:0@:7@} [47]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:halfopen vertical@:104@:1.26001@:1.26001@:1.57501@:1.57501@:1.26001@:0@
:halfopenvertical@} [104]
@{char@:Arrowed Sharp (arrow down)@:50@:0.75008@:5.50003@:13.49998@:7.5@:5.5000
3@:0@:sharp.arrowdown@} [50]
@{char@:short fermata up@:85@:3.9675@:3.9675@:0@:8.72849@:3.9675@:0@:ushortferm
ata@} [85]
@{char@:Mensural Sharp@:116@:1.06746@:1.62845@:1.29185@:1.29185@:1.62845@:0@:me
nsural1@} [116]
@{char@:close@:79@:0@:3.535@:1.7675@:1.7675@:3.535@:0@:close.0M1@} [79]
@{char@:plus (stopped)@:105@:1.73251@:1.73251@:1.73251@:1.73251@:1.73251@:0@:st
opped@} [105]
@{char@:short fermata down@:86@:3.9675@:3.9675@:8.72849@:0@:3.9675@:0@:dshortfe
rmata@} [86]
@{char@:Upbow@:106@:2.04752@:2.04752@:0@:6.55205@:2.04752@:0@:upbow@} [106]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:4.90053@:6.68251@:6.68251@:4.90053@:0@:sharp@} [48]
@{char@:Mensural Flat@:117@:0.31854@:1.44052@:1.01979@:5.36757@:1.44052@:0@:men
suralM1@} [117]
@{char@:long fermata up@:87@:4.95938@:4.95938@:0@:5.95125@:4.95938@:0@:ulongfer
mata@} [87]
@{char@:Downbow@:107@:2.36252@:2.36252@:0@:4.2@:2.36252@:0@:downbow@} [107]
@{char@:close@:80@:1.7675@:1.7675@:3.535@:0@:1.7675@:0@:close.11@} [80]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.75008@:5.50003@:13.49998@:13.
49998@:5.50003@:0@:sharp.arrowboth@} [51]
@{char@:long fermata down@:88@:4.95938@:4.95938@:5.95125@:0@:4.95938@:0@:dlongf
ermata@} [88]
@{char@:close@:81@:1.7675@:1.7675@:0@:3.535@:1.7675@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
)
@{char@:Reverse turn@:108@:3.44533@:3.44533@:1.66765@:1.66765@:3.44533@:0@:reve
rseturn@} [108] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.54262@:0.77132@:0.77132@:1.54262@:0@:dot@} [82]
@{puorg@:dots@}
)
@{char@:Arrowed Sharp (arrow up)@:49@:0@:4.90053@:6.68251@:12.0285@:4.90053@:0@
:sharp.arrowup@} [49]
@{char@:Turn@:109@:3.44533@:3.44533@:1.66765@:1.66765@:3.44533@:0@:turn@} [109]
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:very long fermata up@:89@:5.95125@:5.95125@:0@:6.34802@:5.95125@:0@:uve
rylongfermata@} [89]
@{group@:scripts@}
@{char@:fermata up@:83@:4.75609@:4.75609@:0.33733@:5.19797@:4.75609@:0@:ufermat
a@} [83]@{char@:Trill (`tr')@:110@:2.67752@:2.67752@:0@:6.61497@:2.67752@:0@:trill@}
[110]
@{char@:fermata down@:84@:4.75609@:4.75609@:5.19797@:0.33733@:4.75609@:0@:dferm
ata@} [84]
@{char@:left heel@:111@:1.57501@:1.57501@:1.57501@:2.1@:1.57501@:0@:upedalheel@
} [111]
@{char@:Arrowed Sharp (arrow down)@:50@:0.72202@:4.90053@:12.0285@:6.68251@:4.9
0053@:0@:sharp.arrowdown@} [50]
@{char@:very long fermata down@:90@:5.95125@:5.95125@:6.34802@:0@:5.95125@:0@:d
verylongfermata@} [90]
@{char@:short fermata up@:85@:3.535@:3.535@:0@:7.777@:3.535@:0@:ushortfermata@}
[85]
@{char@:right heel@:112@:1.57501@:1.57501@:2.1@:1.57501@:1.57501@:0@:dpedalheel
@} [112]
@{char@:1/2 Sharp@:52@:0@:3.49998@:7.5@:7.5@:3.49998@:0@:sharp.slashslash.stem@
} [52]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.72202@:4.90053@:12.0285@:12.0
285@:4.90053@:0@:sharp.arrowboth@} [51]
@{char@:short fermata down@:86@:3.535@:3.535@:7.777@:0@:3.535@:0@:dshortfermata
@} [86]
@{char@:Hufnagel Flat@:118@:0.42471@:1.82722@:1.05386@:5.26138@:1.82722@:0@:huf
nagelM1@} [118]
@{char@:left toe@:113@:1.57501@:1.57501@:0@:4.72502@:1.57501@:0@:upedaltoe@}
[113]
@{char@:Thumb@:91@:1.587@:1.587@:3.17401@:1.98375@:1.587@:0@:thumb@} [91]
@{char@:right toe@:114@:1.57501@:1.57501@:4.72502@:0@:1.57501@:0@:dpedaltoe@}
[114]
@{char@:Kievan sharp@:119@:0@:4.48804@:4.48804@:4.48804@:4.48804@:0@:kievan1@}
[119]
@{char@:long fermata up@:87@:4.41876@:4.41876@:0@:5.3025@:4.41876@:0@:ulongferm
ata@} [87]
@{char@:> accent@:92@:3.57072@:3.57072@:1.98375@:1.98375@:3.57072@:0@:sforzato@
} [92]
@{char@:Flageolet@:115@:1.68001@:1.68001@:1.68001@:1.68001@:1.68001@:0@:flageol
et@} [115]
@{char@:Kievan flat@:120@:0@:2.80501@:2.80501@:5.04903@:2.80501@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
)
@{char@:espr@:93@:7.53822@:7.53822@:1.98375@:1.98375@:7.53822@:0@:espr@} [93] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:long fermata down@:88@:4.41876@:4.41876@:5.3025@:0@:4.41876@:0@:dlongfe
rmata@} [88]
@{char@:Sharp (3 beams)@:53@:0@:5.50003@:7.5@:7.5@:5.50003@:0@:sharp.slashslash
slash.stemstem@} [53]
@{char@:staccato dot@:94@:0.79349@:0.79349@:0.79349@:0.79349@:0.79349@:0@:stacc
ato@} [94]
@{char@:1/2 Sharp@:52@:0@:3.11848@:6.68251@:6.68251@:3.11848@:0@:sharp.slashsla
sh.stem@} [52]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:1.68303@:5.61002@:0.28052@:1.68303@:0@:
mensuralu03@} [121]
@{char@:Segno@:116@:3.15001@:3.15001@:4.72502@:4.72502@:3.15001@:0@:segno@}
[116]
@{char@:1/2 Sharp (3 beams)@:54@:0@:4.74998@:6.50002@:6.50002@:4.74998@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:8th Mensural Flag (up)@:122@:0@:1.68303@:4.20752@:0.28052@:1.68303@:0@:
mensuralu13@} [122]
@{char@:very long fermata up@:89@:5.3025@:5.3025@:0@:5.65602@:5.3025@:0@:uveryl
ongfermata@} [89]
@{char@:Varied Segno@:117@:3.93752@:3.93752@:12.60004@:12.60004@:3.93752@:0@:va
rsegno@} [117]
@{char@:3/4 Sharp@:55@:0@:8.00003@:7.5@:7.5@:8.00003@:0@:sharp.slashslash.stems
temstem@} [55]
@{char@:very long fermata down@:90@:5.3025@:5.3025@:5.65602@:0@:5.3025@:0@:dver
ylongfermata@} [90]
@{char@:8th Mensural Flag (up)@:123@:0@:1.68303@:4.90877@:0.28052@:1.68303@:0@:
mensuralu23@} [123]
@{char@:Sharp (3 beams)@:53@:0@:4.90053@:6.68251@:6.68251@:4.90053@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:Coda@:118@:3.20253@:3.20253@:4.25253@:4.25253@:3.20253@:0@:coda@} [118]

@{char@:Thumb@:91@:1.414@:1.414@:2.82802@:1.7675@:1.414@:0@:thumb@} [91]
@{char@:1/2 Sharp (3 beams)@:54@:0@:4.23224@:5.79152@:5.79152@:4.23224@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:8th Mensural Flag (down)@:124@:1.68303@:0@:0.28052@:5.61002@:0@:0@:mens
urald03@} [124]
@{char@:Natural@:56@:0@:3.33333@:7.5@:7.5@:3.33333@:0@:natural@} [56]
@{char@:staccatissimo/martellato up@:95@:0.86139@:0.86139@:0.2@:4.0354@:0.86139
@:0@:ustaccatissimo@} [95]@{char@:Varied Coda@:119@:3.32407@:3.32407@:4.37407@:4.37407@:3.32407@:0@:varco
da@} [119]
@{char@:Right Comma@:120@:0@:1.57501@:1.89003@:1.89003@:1.57501@:0@:rcomma@}
[120]
@{char@:staccatissimo/martellato down@:96@:0.86139@:0.86139@:4.0354@:0.2@:0.861
39@:0@:dstaccatissimo@} [96]
@{char@:Left Comma@:121@:1.57501@:0@:1.89003@:1.89003@:0@:0@:lcomma@} [121]
@{char@:> accent@:92@:3.18149@:3.18149@:1.7675@:1.7675@:3.18149@:0@:sforzato@}
[92]
@{char@:8th Mensural Flag (down)@:125@:1.68303@:0@:0.28052@:4.20752@:0@:0@:mens
urald13@} [125]
@{char@:Arrowed Natural (arrow up)@:57@:1.50014@:3.33333@:7.5@:13.49998@:3.3333
3@:0@:natural.arrowup@} [57]
@{char@:portato/single tenuto@:97@:2.38052@:2.38052@:0.3717@:0.3717@:2.38052@:0
@:tenuto@} [97]
@{char@:espr@:93@:6.71649@:6.71649@:1.7675@:1.7675@:6.71649@:0@:espr@} [93]
@{char@:3/4 Sharp@:55@:0@:7.12804@:6.68251@:6.68251@:7.12804@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:8th Mensural Flag (down)@:126@:1.68303@:0@:0.28052@:4.90877@:0@:0@:mens
urald23@} [126]
@{char@:staccato dot@:94@:0.70699@:0.70699@:0.70699@:0.70699@:0.70699@:0@:stacc
ato@} [94]
@{char@:portato/tenuto with staccato@:98@:2.38052@:2.38052@:0.32523@:2.7@:2.380
52@:0@:uportato@} [98]
@{char@:Arrowed Natural (arrow down)@:58@:0@:3.33333@:13.49998@:7.5@:3.33333@:0
@:natural.arrowdown@} [58]
@{char@:staccatissimo/martellato up@:95@:0.80328@:0.80328@:0.2@:3.6313@:0.80328
@:0@:ustaccatissimo@} [95]
@{char@:Natural@:56@:0@:2.97@:6.68251@:6.68251@:2.97@:0@:natural@} [56]
@{char@:staccatissimo/martellato down@:96@:0.80328@:0.80328@:3.6313@:0.2@:0.803
28@:0@:dstaccatissimo@} [96]
@{char@:16th Mensural Flag (up)@:127@:0@:1.68303@:8.41502@:0.28052@:1.68303@:0@
:mensuralu04@} [127]
@{char@:portato/tenuto with staccato@:99@:2.38052@:2.38052@:2.7@:0.32523@:2.380
52@:0@:dportato@} [99]
@{char@:portato/single tenuto@:97@:2.12102@:2.12102@:0.35982@:0.35982@:2.12102@
:0@:tenuto@} [97]
@{char@:marcato up@:100@:1.98375@:1.98375@:0@:4.36427@:1.98375@:0@:umarcato@}
[100]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.50014@:3.33333@:13.49998@:1
3.49998@:3.33333@:0@:natural.arrowboth@} [59]
@{char@:portato/tenuto with staccato@:98@:2.12102@:2.12102@:0.31483@:2.44862@:2
.12102@:0@:uportato@} [98]
@{char@:Right Varied Comma@:122@:0.7875@:0.7875@:1.89003@:1.89003@:0.7875@:0@:r
varcomma@} [122]
@{char@:Arrowed Natural (arrow up)@:57@:1.44402@:2.97@:6.68251@:12.0285@:2.97@:
0@:natural.arrowup@} [57]
@{char@:16th Mensural Flag (up)@:128@:0@:1.68303@:7.01253@:0.28052@:1.68303@:0@
:mensuralu14@} [128]
@{char@:marcato down@:101@:1.98375@:1.98375@:4.36427@:0@:1.98375@:0@:dmarcato@}
[101]
@{char@:Left Varied Comma@:123@:0.7875@:0.7875@:1.89003@:1.89003@:0.7875@:0@:lv
arcomma@} [123]
@{char@:Flat@:60@:0.60005@:4.00002@:3.00003@:9.49997@:4.00002@:0@:flat@} [60]
@{char@:16th Mensural Flag (up)@:129@:0@:1.68303@:7.71378@:0.28052@:1.68303@:0@
:mensuralu24@} [129]
@{char@:open (unstopped)@:102@:1.587@:1.587@:1.98375@:1.98375@:1.587@:0@:open@}
[102]
@{char@:portato/tenuto with staccato@:99@:2.12102@:2.12102@:2.44862@:0.31483@:2
.12102@:0@:dportato@} [99]
@{char@:Arrowed Natural (arrow down)@:58@:0@:2.97@:12.0285@:6.68251@:2.97@:0@:n
atural.arrowdown@} [58]
@{char@:marcato up@:100@:1.7675@:1.7675@:0@:3.88852@:1.7675@:0@:umarcato@}
[100]
@{char@:16th Mensural Flag (down)@:130@:1.68303@:0@:0.28052@:8.41502@:0@:0@:men
surald04@} [130]
@{char@:Arpeggio@:124@:0@:2.52002@:0@:3.15001@:2.52002@:0@:arpeggio@} [124]
@{char@:Arrowed Flat (arrow up)@:61@:1.72516@:4.00002@:3.00003@:13.49998@:4.000
02@:0@:flat.arrowup@} [61]
@{char@:halfopen (unstopped)@:103@:1.587@:1.587@:1.98375@:1.98375@:1.587@:0@:ha
lfopen@} [103]
@{char@:Trill_element@:125@:0@:3.15001@:0@:2.52002@:3.15001@:0@:trill_element@}
[125]
@{char@:Arrowed Flat (arrow down)@:62@:1.72516@:4.00002@:11.00006@:9.49997@:4.0
0002@:0@:flat.arrowdown@} [62]
@{char@:halfopen vertical@:104@:1.587@:1.587@:1.98375@:1.98375@:1.587@:0@:halfo
penvertical@} [104]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.44402@:2.97@:12.0285@:12.02
85@:2.97@:0@:natural.arrowboth@} [59]
@{char@:16th Mensural Flag (down)@:131@:1.68303@:0@:0.28052@:7.01253@:0@:0@:men
surald14@} [131]
@{char@:Arpeggio arrow down@:126@:0@:2.52002@:0@:3.15001@:2.52002@:0@:arpeggio.
arrow.M1@} [126]
@{char@:plus (stopped)@:105@:2.18214@:2.18214@:2.18214@:2.18214@:2.18214@:0@:st
opped@} [105]
@{char@:Arpeggio arrow up@:127@:0@:2.52002@:0@:3.15001@:2.52002@:0@:arpeggio.ar
row.1@} [127]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:Upbow@:106@:2.57889@:2.57889@:0@:8.25244@:2.57889@:0@:upbow@} [106]
@{char@:Flat@:60@:0.5776@:3.56401@:2.67303@:8.46448@:3.56401@:0@:flat@} [60]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.72516@:4.00002@:11.00006@:13.49
998@:4.00002@:0@:flat.arrowboth@} [63]
@{char@:16th Mensural Flag (down)@:132@:1.68303@:0@:0.28052@:7.71378@:0@:0@:men
surald24@} [132]
@{char@:Downbow@:107@:2.97563@:2.97563@:0@:5.28998@:2.97563@:0@:downbow@} [107]

@{char@:marcato down@:101@:1.7675@:1.7675@:3.88852@:0@:1.7675@:0@:dmarcato@}
[101]
@{char@:trilelement@:128@:1.3125@:1.3125@:1.57501@:1.57501@:1.3125@:0@:trilelem
ent@} [128]
@{char@:open (unstopped)@:102@:1.414@:1.414@:1.7675@:1.7675@:1.414@:0@:open@}
[102]
@{char@:Arrowed Flat (arrow up)@:61@:1.66061@:3.56401@:2.67303@:12.02849@:3.564
01@:0@:flat.arrowup@} [61]
@{char@:Flat (slashed)@:64@:1.99997@:4.00002@:3.00003@:9.49997@:4.00002@:0@:fla
t.slash@} [64]
@{char@:prall@:129@:2.625@:2.625@:1.57501@:1.57501@:2.625@:0@:prall@} [129]
@{char@:halfopen (unstopped)@:103@:1.414@:1.414@:1.7675@:1.7675@:1.414@:0@:half
open@} [103]
@{char@:32th Mensural Flag (up)@:133@:0@:1.68303@:11.22003@:0.28052@:1.68303@:0
@:mensuralu05@} [133]
@{char@:Arrowed Flat (arrow down)@:62@:1.66061@:3.56401@:9.80107@:8.46448@:3.56
401@:0@:flat.arrowdown@} [62]
@{char@:Flat (slashed twice)@:65@:1.99997@:4.00002@:3.00003@:9.49997@:4.00002@:
0@:flat.slashslash@} [65]
@{char@:halfopen vertical@:104@:1.414@:1.414@:1.7675@:1.7675@:1.414@:0@:halfope
nvertical@} [104]
@{char@:32th Mensural Flag (up)@:134@:0@:1.68303@:9.81754@:0.28052@:1.68303@:0@
:mensuralu15@} [134]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.66061@:3.56401@:9.80107@:12.028
49@:3.56401@:0@:flat.arrowboth@} [63]
@{char@:plus (stopped)@:105@:1.94426@:1.94426@:1.94426@:1.94426@:1.94426@:0@:st
opped@} [105]
@{char@:Flatflat (mirrored)@:66@:0@:8.00003@:3.00003@:9.49997@:8.00003@:0@:mirr
oredflat.flat@} [66]
@{char@:Semi flat@:67@:0.60005@:4.00002@:3.00003@:9.49997@:4.00002@:0@:mirrored
flat@} [67]
@{char@:Upbow@:106@:2.29776@:2.29776@:0@:7.35286@:2.29776@:0@:upbow@} [106]
@{char@:mordent@:130@:2.625@:2.625@:2.1@:2.1@:2.625@:0@:mordent@} [130]
@{char@:Flat (slashed)@:64@:1.78197@:3.56401@:2.67303@:8.46448@:3.56401@:0@:fla
t.slash@} [64]
@{char@:32th Mensural Flag (up)@:135@:0@:1.68303@:10.51878@:0.28052@:1.68303@:0
@:mensuralu25@} [135]
@{char@:Semi flat@:68@:1.99997@:4.00002@:3.00003@:9.49997@:4.00002@:0@:mirrored
flat.backslash@} [68]
@{char@:Downbow@:107@:2.65126@:2.65126@:0@:4.71332@:2.65126@:0@:downbow@} [107]

@{char@:Flat (slashed twice)@:65@:1.78197@:3.56401@:2.67303@:8.46448@:3.56401@:
0@:flat.slashslash@} [65]
@{char@:prallprall@:131@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:prallpral
l@} [131]@{char@:Reverse turn@:108@:3.86641@:3.86641@:1.87148@:1.87148@:3.86641@:0@:reve
rseturn@} [108]
@{char@:Double Flat@:69@:0.60005@:7.24998@:3.00003@:9.49997@:7.24998@:0@:flatfl
at@} [69]
@{char@:Flatflat (mirrored)@:66@:0@:7.12804@:2.67303@:8.46448@:7.12804@:0@:mirr
oredflat.flat@} [66]
@{char@:Turn@:109@:3.86641@:3.86641@:1.87148@:1.87148@:3.86641@:0@:turn@} [109]

@{char@:32th Mensural Flag (down)@:136@:1.68303@:0@:0.28052@:11.22003@:0@:0@:me
nsurald05@} [136]
@{char@:prallmordent@:132@:3.9375@:3.9375@:2.1@:2.1@:3.9375@:0@:prallmordent@}
[132]
@{char@:3/4 Flat@:70@:0.60005@:7.24998@:3.00003@:9.49997@:7.24998@:0@:flatflat.
slash@} [70]
@{char@:Semi flat@:67@:0.5776@:3.56401@:2.67303@:8.46448@:3.56401@:0@:mirroredf
lat@} [67]
@{char@:Double Sharp@:71@:0@:5@:2.5@:2.5@:5@:0@:doublesharp@} [71]@{char@:Trill (`tr')@:110@:3.00478@:3.00478@:0@:7.42348@:3.00478@:0@:trill@}
[110]
@{char@:Right Parenthesis@:72@:0@:3.00005@:5@:5@:3.00005@:0@:rightparen@} [72]
@{char@:Semi flat@:68@:1.78197@:3.56401@:2.67303@:8.46448@:3.56401@:0@:mirrored
flat.backslash@} [68]
@{char@:Left Parenthesis@:73@:3.00005@:0@:5@:5@:0@:0@:leftparen@} [73]
@{puorg@:accidentals@}
)
@{char@:left heel@:111@:1.7675@:1.7675@:1.7675@:2.35667@:1.7675@:0@:upedalheel@
} [111] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:32th Mensural Flag (down)@:137@:1.68303@:0@:0.28052@:9.81754@:0@:0@:men
surald15@} [137]
@{char@:right heel@:112@:1.7675@:1.7675@:2.35667@:1.7675@:1.7675@:0@:dpedalheel
@} [112]
@{group@:arrowheads@}
@{char@:open@:74@:5@:0.40004@:2.5@:2.5@:0.40004@:0@:open.01@} [74]
@{char@:upprall@:133@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:upprall@}
[133]
@{char@:left toe@:113@:1.7675@:1.7675@:0@:5.3025@:1.7675@:0@:upedaltoe@} [113]
@{char@:open@:75@:0.40004@:5@:2.5@:2.5@:5@:0@:open.0M1@} [75]
@{char@:Double Flat@:69@:0.5776@:6.45973@:2.67303@:8.46448@:6.45973@:0@:flatfla
t@} [69]
@{char@:right toe@:114@:1.7675@:1.7675@:5.3025@:0@:1.7675@:0@:dpedaltoe@} [114]

@{char@:upmordent@:134@:3.9375@:3.9375@:2.1@:2.1@:3.9375@:0@:upmordent@} [134]
@{char@:open@:76@:2.5@:2.5@:5@:0.40004@:2.5@:0@:open.11@} [76]@{char@:Flageolet@:115@:1.88533@:1.88533@:1.88533@:1.88533@:1.88533@:0@:flageol
et@} [115]
@{char@:pralldown@:135@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:pralldown@
} [135]
@{char@:open@:77@:2.5@:2.5@:0.40004@:5@:2.5@:0@:open.1M1@} [77]
@{char@:32th Mensural Flag (down)@:138@:1.68303@:0@:0.28052@:10.51878@:0@:0@:me
nsurald25@} [138]
@{char@:Segno@:116@:3.535@:3.535@:5.3025@:5.3025@:3.535@:0@:segno@} [116]
@{char@:close@:78@:5@:0@:2.5@:2.5@:0@:0@:close.01@} [78]
@{char@:downprall@:136@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:downprall@
} [136]
@{char@:close@:79@:0@:5@:2.5@:2.5@:5@:0@:close.0M1@} [79]
@{char@:Varied Segno@:117@:4.41876@:4.41876@:14.14001@:14.14001@:4.41876@:0@:va
rsegno@} [117]
@{char@:close@:80@:2.5@:2.5@:5@:0@:2.5@:0@:close.11@} [80]
@{char@:downmordent@:137@:3.9375@:3.9375@:2.1@:2.1@:3.9375@:0@:downmordent@}
[137]
@{char@:3/4 Flat@:70@:0.5776@:6.45973@:2.67303@:8.46448@:6.45973@:0@:flatflat.s
lash@} [70]
@{char@:Coda@:118@:3.59395@:3.59395@:4.77228@:4.77228@:3.59395@:0@:coda@} [118]

@{char@:close@:81@:2.5@:2.5@:0@:5@:2.5@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
)
@{char@:prallup@:138@:3.9375@:3.9375@:1.57501@:1.57501@:3.9375@:0@:prallup@}
[138] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf@{char@:Reverse turn@:108@:4.33946@:4.33946@:2.10045@:2.10045@:4.33946@:0@:reve
rseturn@} [108]
@{group@:dots@}
@{char@:duration dot@:82@:0@:2.24998@:1.125@:1.125@:2.24998@:0@:dot@} [82]
@{puorg@:dots@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf@{char@:Varied Coda@:119@:3.6902@:3.6902@:4.86853@:4.86853@:3.6902@:0@:varcoda@
} [119]
@{char@:64th Mensural Flag (up)@:139@:0@:1.68303@:14.02504@:0.28052@:1.68303@:0
@:mensuralu06@} [139]
@{char@:Right Comma@:120@:0@:1.7675@:2.12102@:2.12102@:1.7675@:0@:rcomma@}
[120]
@{char@:Double Sharp@:71@:0@:4.455@:2.22751@:2.22751@:4.455@:0@:doublesharp@}
[71]
@{char@:Turn@:109@:4.33946@:4.33946@:2.10045@:2.10045@:4.33946@:0@:turn@} [109]

@{char@:lineprall@:139@:3.9375@:3.9375@:1.57501@:6.30005@:3.9375@:0@:lineprall@
} [139])
@{group@:scripts@}
@{char@:fermata up@:83@:6.62505@:6.62505@:0.37505@:7.25005@:6.62505@:0@:ufermat
a@} [83]
@{char@:Left Comma@:121@:1.7675@:0@:2.12102@:2.12102@:0@:0@:lcomma@} [121]
@{char@:Curved caesura@:140@:0@:6.30002@:2.52002@:3.78@:6.30002@:0@:caesura.cur
ved@} [140]
@{char@:fermata down@:84@:6.62505@:6.62505@:7.25005@:0.37505@:6.62505@:0@:dferm
ata@} [84]
@{char@:Right Varied Comma@:122@:0.88376@:0.88376@:2.12102@:2.12102@:0.88376@:0
@:rvarcomma@} [122]
@{char@:Left Varied Comma@:123@:0.88376@:0.88376@:2.12102@:2.12102@:0.88376@:0@
:lvarcomma@} [123]@{char@:Trill (`tr')@:110@:3.37239@:3.37239@:0@:8.33171@:3.37239@:0@:trill@}
[110]
@{char@:short fermata up@:85@:5@:5@:0@:10.99998@:5@:0@:ushortfermata@} [85]
@{char@:Straight caesura@:141@:0@:6.30002@:2.52002@:3.78@:6.30002@:0@:caesura.s
traight@} [141]
@{char@:64th Mensural Flag (up)@:140@:0@:1.68303@:12.62254@:0.28052@:1.68303@:0
@:mensuralu16@} [140]
@{char@:left heel@:111@:1.98375@:1.98375@:1.98375@:2.645@:1.98375@:0@:upedalhee
l@} [111]
@{char@:short fermata down@:86@:5@:5@:10.99998@:0@:5@:0@:dshortfermata@} [86]
@{char@:Arpeggio@:124@:0@:2.82802@:0@:3.535@:2.82802@:0@:arpeggio@} [124]
@{char@:Right Parenthesis@:72@:0@:2.70885@:4.455@:4.455@:2.70885@:0@:rightparen
@} [72]
@{char@:right heel@:112@:1.98375@:1.98375@:2.645@:1.98375@:1.98375@:0@:dpedalhe
el@} [112]
@{char@:Tick mark@:142@:1.89003@:3.46498@:0@:5.35501@:3.46498@:0@:tickmark@}
[142]
@{char@:Left Parenthesis@:73@:2.70885@:0@:4.455@:4.455@:0@:0@:leftparen@} [73]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:long fermata up@:87@:6.25@:6.25@:0@:7.5@:6.25@:0@:ulongfermata@} [87]
@{char@:left toe@:113@:1.98375@:1.98375@:0@:5.95125@:1.98375@:0@:upedaltoe@}
[113]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:1.68001@:1.68001@:1.68001@:2.52
@:1.68001@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
)
@{group@:arrowheads@}
@{char@:open@:74@:4.455@:0.38507@:2.22751@:2.22751@:0.38507@:0@:open.01@} [74]
@{char@:right toe@:114@:1.98375@:1.98375@:5.95125@:0@:1.98375@:0@:dpedaltoe@}
[114] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:long fermata down@:88@:6.25@:6.25@:7.5@:0@:6.25@:0@:dlongfermata@}
[88]
@{char@:Trill_element@:125@:0@:3.535@:0@:2.82802@:3.535@:0@:trill_element@}
[125]
@{char@:64th Mensural Flag (up)@:141@:0@:1.68303@:13.32379@:0.28052@:1.68303@:0
@:mensuralu26@} [141]
@{char@:Flageolet@:115@:2.116@:2.116@:2.116@:2.116@:2.116@:0@:flageolet@} [115]

@{char@:Arpeggio arrow down@:126@:0@:2.82802@:0@:3.535@:2.82802@:0@:arpeggio.ar
row.M1@} [126]
@{char@:open@:75@:0.38507@:4.455@:2.22751@:2.22751@:4.455@:0@:open.0M1@} [75]@{char@:Segno@:116@:3.9675@:3.9675@:5.95125@:5.95125@:3.9675@:0@:segno@} [116]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:8.68958@:6.30002@:6.30002@:8.68958@:0@:C@} [144]
@{char@:Arpeggio arrow up@:127@:0@:2.82802@:0@:3.535@:2.82802@:0@:arpeggio.arro
w.1@} [127]
@{char@:open@:76@:2.22751@:2.22751@:4.455@:0.38507@:2.22751@:0@:open.11@} [76]
@{char@:very long fermata up@:89@:7.5@:7.5@:0@:8.00003@:7.5@:0@:uverylongfermat
a@} [89]
@{char@:open@:77@:2.22751@:2.22751@:0.38507@:4.455@:2.22751@:0@:open.1M1@}
[77]
@{char@:Varied Segno@:117@:4.95938@:4.95938@:15.87@:15.87@:4.95938@:0@:varsegno
@} [117]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:close@:78@:4.455@:0@:2.22751@:2.22751@:0@:0@:close.01@} [78]
@{char@:very long fermata down@:90@:7.5@:7.5@:8.00003@:0@:7.5@:0@:dverylongferm
ata@} [90]
@{char@:close@:79@:0@:4.455@:2.22751@:2.22751@:4.455@:0@:close.0M1@} [79]
@{char@:64th Mensural Flag (down)@:142@:1.68303@:0@:0.28052@:14.02504@:0@:0@:me
nsurald06@} [142]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:7.03899@:5.04004@:5.04004@:7.03899@:0@:C_change@} [145]

@{char@:Coda@:118@:4.03365@:4.03365@:5.35614@:5.35614@:4.03365@:0@:coda@} [118]

@{char@:close@:80@:2.22751@:2.22751@:4.455@:0@:2.22751@:0@:close.11@} [80]
@{char@:Thumb@:91@:2@:2@:4.00002@:2.5@:2@:0@:thumb@} [91]
@{char@:close@:81@:2.22751@:2.22751@:0@:4.455@:2.22751@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf@{char@:Varied Coda@:119@:4.1015@:4.1015@:5.424@:5.424@:4.1015@:0@:varcoda@}
[119]
@{char@:> accent@:92@:4.49997@:4.49997@:2.5@:2.5@:4.49997@:0@:sforzato@} [92]@{char@:F clef @:146@:0@:8.45255@:7.87503@:3.15001@:8.45255@:0@:F@} [146]
@{char@:Right Comma@:120@:0@:1.98375@:2.38052@:2.38052@:1.98375@:0@:rcomma@}
[120]
@{char@:64th Mensural Flag (down)@:143@:1.68303@:0@:0.28052@:12.62254@:0@:0@:me
nsurald16@} [143]
@{char@:espr@:93@:9.49997@:9.49997@:2.5@:2.5@:9.49997@:0@:espr@} [93]
@{group@:dots@}
@{char@:duration dot@:82@:0@:1.98683@:0.99342@:0.99342@:1.98683@:0@:dot@} [82]
@{puorg@:dots@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:Left Comma@:121@:1.98375@:0@:2.38052@:2.38052@:0@:0@:lcomma@} [121]
@{char@:F clef (reduced)@:147@:0@:6.76207@:6.30005@:2.52002@:6.76207@:0@:F_chan
ge@} [147]
@{group@:scripts@}
@{char@:fermata up@:83@:5.92976@:5.92976@:0.36101@:6.48665@:5.92976@:0@:ufermat
a@} [83]
@{char@:staccato dot@:94@:0.99998@:0.99998@:0.99998@:0.99998@:0.99998@:0@:stacc
ato@} [94]
@{char@:trilelement@:128@:1.47292@:1.47292@:1.7675@:1.7675@:1.47292@:0@:trilele
ment@} [128]
@{char@:Right Varied Comma@:122@:0.99188@:0.99188@:2.38052@:2.38052@:0.99188@:0
@:rvarcomma@} [122]
@{char@:fermata down@:84@:5.92976@:5.92976@:6.48665@:0.36101@:5.92976@:0@:dferm
ata@} [84]
@{char@:prall@:129@:2.94583@:2.94583@:1.7675@:1.7675@:2.94583@:0@:prall@} [129]

@{char@:Left Varied Comma@:123@:0.99188@:0.99188@:2.38052@:2.38052@:0.99188@:0@
:lvarcomma@} [123]
@{char@:64th Mensural Flag (down)@:144@:1.68303@:0@:0.28052@:13.32379@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:Arpeggio@:124@:0@:3.17401@:0@:3.9675@:3.17401@:0@:arpeggio@} [124]
@{char@:G clef@:148@:0@:8.07983@:8.03253@:15.12006@:8.07983@:0@:G@} [148]
@{char@:short fermata up@:85@:4.455@:4.455@:0@:9.801@:4.455@:0@:ushortfermata@}
[85]
@{char@:Trill_element@:125@:0@:3.9675@:0@:3.17401@:3.9675@:0@:trill_element@}
[125]@{char@:mordent@:130@:2.94583@:2.94583@:2.35666@:2.35666@:2.94583@:0@:mordent@}
[130]
@{char@:short fermata down@:86@:4.455@:4.455@:9.801@:0@:4.455@:0@:dshortfermata
@} [86]
@{char@:G clef@:149@:0@:6.4639@:6.42606@:12.49574@:6.4639@:0@:G_change@} [149]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural44@} [145]
@{char@:Arpeggio arrow down@:126@:0@:3.17401@:0@:3.9675@:3.17401@:0@:arpeggio.a
rrow.M1@} [126]
@{char@:long fermata up@:87@:5.56876@:5.56876@:0@:6.68251@:5.56876@:0@:ulongfer
mata@} [87]
@{char@:percussion clef@:150@:-2.1105@:6.30002@:3.15001@:3.15001@:6.30002@:0@:p
ercussion@} [150]
@{char@:prallprall@:131@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:prallpra
ll@} [131]
@{char@:Mensural 2/2 meter@:146@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural22@} [146]
@{char@:Arpeggio arrow up@:127@:0@:3.17401@:0@:3.9675@:3.17401@:0@:arpeggio.arr
ow.1@} [127]
@{char@:long fermata down@:88@:5.56876@:5.56876@:6.68251@:0@:5.56876@:0@:dlongf
ermata@} [88]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:percussion clef (reduced)@:151@:-1.68842@:5.04004@:2.52002@:2.52002@:5.
04004@:0@:percussion_change@} [151]
@{char@:Mensural 3/2 meter@:147@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural32@} [147]
@{char@:trilelement@:128@:1.65312@:1.65312@:1.98375@:1.98375@:1.65312@:0@:trile
lement@} [128]
@{char@:very long fermata up@:89@:6.68251@:6.68251@:0@:7.12804@:6.68251@:0@:uve
rylongfermata@} [89]
@{char@:Mensural 6/4 meter@:148@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural64@} [148]
@{char@:prallmordent@:132@:4.41875@:4.41875@:2.35666@:2.35666@:4.41875@:0@:pral
lmordent@} [132]
@{char@:prall@:129@:3.30624@:3.30624@:1.98375@:1.98375@:3.30624@:0@:prall@}
[129]
@{char@:Mensural 9/4 meter@:149@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural94@} [149]
@{char@:very long fermata down@:90@:6.68251@:6.68251@:7.12804@:0@:6.68251@:0@:d
verylongfermata@} [90]
@{char@:tab clef@:152@:-0.62999@:8.82004@:9.07208@:9.07208@:8.82004@:0@:tab@}
[152]
@{char@:Thumb@:91@:1.782@:1.782@:3.56403@:2.22751@:1.782@:0@:thumb@} [91]
@{char@:staccatissimo/martellato up@:95@:1.00008@:1.00008@:0.2@:5.00009@:1.0000
8@:0@:ustaccatissimo@} [95]
@{char@:mordent@:130@:3.30624@:3.30624@:2.64499@:2.64499@:3.30624@:0@:mordent@}
[130]
@{char@:> accent@:92@:4.00948@:4.00948@:2.22751@:2.22751@:4.00948@:0@:sforzato@
} [92]
@{char@:Mensural 3/4 meter@:150@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural34@} [150]
@{char@:upprall@:133@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:upprall@}
[133]
@{char@:staccatissimo/martellato down@:96@:1.00008@:1.00008@:5.00009@:0.2@:1.00
008@:0@:dstaccatissimo@} [96]
@{char@:espr@:93@:8.46448@:8.46448@:2.22751@:2.22751@:8.46448@:0@:espr@} [93]
@{char@:portato/single tenuto@:97@:3.00003@:3.00003@:0.40004@:0.40004@:3.00003@
:0@:tenuto@} [97]
@{char@:tab clef (reduced)@:153@:-0.504@:7.05606@:7.25769@:7.25769@:7.05606@:0@
:tab_change@} [153]
@{puorg@:clefs@}
)
@{char@:upmordent@:134@:4.41875@:4.41875@:2.35666@:2.35666@:4.41875@:0@:upmorde
nt@} [134]
@{char@:staccato dot@:94@:0.89099@:0.89099@:0.89099@:0.89099@:0.89099@:0@:stacc
ato@} [94]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:prallprall@:131@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:prallp
rall@} [131]
@{char@:pralldown@:135@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:pralldown
@} [135]
@{char@:portato/tenuto with staccato@:98@:3.00003@:3.00003@:0.35004@:3.30006@:3
.00003@:0@:uportato@} [98]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:5.23347@:3.15001@:3.15001@:5.23347@:0@:C44@} [154]
@{char@:staccatissimo/martellato up@:95@:0.92686@:0.92686@:0.2@:4.49088@:0.9268
6@:0@:ustaccatissimo@} [95]
@{char@:portato/tenuto with staccato@:99@:3.00003@:3.00003@:3.30006@:0.35004@:3
.00003@:0@:dportato@} [99]
@{char@:prallmordent@:132@:4.95937@:4.95937@:2.64499@:2.64499@:4.95937@:0@:pral
lmordent@} [132]
@{char@:2/2 meter@:155@:0@:5.23347@:3.15001@:3.15001@:5.23347@:0@:C22@} [155]
@{puorg@:timesig@}
)
@{char@:marcato up@:100@:2.5@:2.5@:0@:5.50003@:2.5@:0@:umarcato@} [100] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:downprall@:136@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:downprall
@} [136]
@{char@:marcato down@:101@:2.5@:2.5@:5.50003@:0@:2.5@:0@:dmarcato@} [101]
@{char@:staccatissimo/martellato down@:96@:0.92686@:0.92686@:4.49088@:0.2@:0.92
686@:0@:dstaccatissimo@} [96]
@{char@:downmordent@:137@:4.41875@:4.41875@:2.35666@:2.35666@:4.41875@:0@:downm
ordent@} [137]
@{char@:open (unstopped)@:102@:2@:2@:2.5@:2.5@:2@:0@:open@} [102]
@{char@:portato/single tenuto@:97@:2.67303@:2.67303@:0.38507@:0.38507@:2.67303@
:0@:tenuto@} [97]
@{char@:prallup@:138@:4.41875@:4.41875@:1.7675@:1.7675@:4.41875@:0@:prallup@}
[138]
@{char@:upprall@:133@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:upprall@}
[133]
@{char@:halfopen (unstopped)@:103@:2@:2@:2.5@:2.5@:2@:0@:halfopen@} [103]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:4.90001@:0@:4.90001@:4.90001@:0@:*@} [156]
@{char@:Pedal dash@:157@:0@:3.15651@:0@:3.6@:3.15651@:0@:M@} [157]
@{char@:halfopen vertical@:104@:2@:2@:2.5@:2.5@:2@:0@:halfopenvertical@} [104]
@{char@:lineprall@:139@:4.41875@:4.41875@:1.7675@:7.07@:4.41875@:0@:lineprall@}
[139])
@{char@:Pedal dot@:158@:0@:1.05217@:0@:1.05217@:1.05217@:0@:.@} [158]
@{char@:upmordent@:134@:4.95937@:4.95937@:2.64499@:2.64499@:4.95937@:0@:upmorde
nt@} [134]
@{char@:portato/tenuto with staccato@:98@:2.67303@:2.67303@:0.33694@:2.98332@:2
.67303@:0@:uportato@} [98]
@{char@:pralldown@:135@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:pralldo
wn@} [135]
@{char@:Curved caesura@:140@:0@:7.07@:2.82802@:4.24199@:7.07@:0@:caesura.curved
@} [140]
@{char@:plus (stopped)@:105@:2.75002@:2.75002@:2.75002@:2.75002@:2.75002@:0@:st
opped@} [105]
@{char@:Upbow@:106@:3.25002@:3.25002@:0@:10.40007@:3.25002@:0@:upbow@} [106]
@{char@:Straight caesura@:141@:0@:7.07@:2.82802@:4.24199@:7.07@:0@:caesura.stra
ight@} [141]
@{char@:Pedal P@:159@:0@:5.25002@:0@:6.30002@:5.25002@:0@:P@} [159]
@{char@:portato/tenuto with staccato@:99@:2.67303@:2.67303@:2.98332@:0.33694@:2
.67303@:0@:dportato@} [99]
@{char@:Downbow@:107@:3.75@:3.75@:0@:6.66664@:3.75@:0@:downbow@} [107]
@{char@:Tick mark@:142@:2.12102@:3.88847@:0@:6.00949@:3.88847@:0@:tickmark@}
[142]
@{char@:Pedal d@:160@:0@:4.20001@:0@:5.51251@:4.20001@:0@:d@} [160]
@{char@:marcato up@:100@:2.22751@:2.22751@:0@:4.90053@:2.22751@:0@:umarcato@}
[100]
@{char@:Pedal e@:161@:0@:2.52@:0@:3.6@:2.52@:0@:e@} [161]
@{char@:downprall@:136@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:downpra
ll@} [136]
@{char@:Reverse turn@:108@:5.46875@:5.46875@:2.64706@:2.64706@:5.46875@:0@:reve
rseturn@} [108]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:1.88533@:1.88533@:1.88533@:2.82
8@:1.88533@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:downmordent@:137@:4.95937@:4.95937@:2.64499@:2.64499@:4.95937@:0@:downm
ordent@} [137]
@{char@:Turn@:109@:5.46875@:5.46875@:2.64706@:2.64706@:5.46875@:0@:turn@} [109]

@{char@:marcato down@:101@:2.22751@:2.22751@:4.90053@:0@:2.22751@:0@:dmarcato@}
[101]
@{char@:prallup@:138@:4.95937@:4.95937@:1.98375@:1.98375@:4.95937@:0@:prallup@}
[138]
@{char@:open (unstopped)@:102@:1.782@:1.782@:2.22751@:2.22751@:1.782@:0@:open@}
[102]
@{char@:Pedal Ped@:162@:0@:10.05482@:0@:6.30002@:10.05482@:0@:Ped@} [162]
@{puorg@:pedal@}
)
@{char@:Mensural 6/8 meter@:151@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural68@} [151] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf@{char@:Trill (`tr')@:110@:4.25003@:4.25003@:0@:10.49995@:4.25003@:0@:trill@}
[110]
@{char@:lineprall@:139@:4.95937@:4.95937@:1.98375@:7.935@:4.95937@:0@:lineprall
@} [139])
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:5.985@:0.70876@:4.3092@:5.985@:0@:up@} [163]
@{char@:left heel@:111@:2.5@:2.5@:2.5@:3.33333@:2.5@:0@:upedalheel@} [111]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:9.71149@:7.07@:7.07@:9.71149@:0@:C@} [144]
@{char@:halfopen (unstopped)@:103@:1.782@:1.782@:2.22751@:2.22751@:1.782@:0@:ha
lfopen@} [103]
@{char@:Mensural 9/8 meter@:152@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural98@} [152]
@{char@:bracket tip down@:164@:0@:5.985@:4.3092@:0.70876@:5.985@:0@:down@}
[164]
@{puorg@:brackettips@}
)
@{char@:Curved caesura@:140@:0@:7.935@:3.17401@:4.76099@:7.935@:0@:caesura.curv
ed@} [140]
@{char@:right heel@:112@:2.5@:2.5@:3.33333@:2.5@:2.5@:0@:dpedalheel@} [112] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:halfopen vertical@:104@:1.782@:1.782@:2.22751@:2.22751@:1.782@:0@:halfo
penvertical@} [104]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:7.85918@:5.65604@:5.65604@:7.85918@:0@:C_change@} [145]

@{char@:left toe@:113@:2.5@:2.5@:0@:7.5@:2.5@:0@:upedaltoe@} [113]
@{group@:accordion@}
@{char@:accordion register discant@:165@:5.00879@:5.00879@:0.19864@:9.64868@:5.
00879@:0@:discant@} [165]
@{char@:right toe@:114@:2.5@:2.5@:7.5@:0@:2.5@:0@:dpedaltoe@} [114]
@{char@:plus (stopped)@:105@:2.45027@:2.45027@:2.45027@:2.45027@:2.45027@:0@:st
opped@} [105]
@{char@:accordion register dot@:166@:0.7875@:0.7875@:0.7875@:0.7875@:0.7875@:0@
:dot@} [166]
@{char@:Flageolet@:115@:2.66667@:2.66667@:2.66667@:2.66667@:2.66667@:0@:flageol
et@} [115]
@{char@:Mensural 4/8 meter@:153@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural48@} [153]@{char@:F clef @:146@:0@:9.48561@:8.83751@:3.535@:9.48561@:0@:F@} [146]
@{char@:Upbow@:106@:2.89577@:2.89577@:0@:9.26646@:2.89577@:0@:upbow@} [106]
@{char@:accordion register freebass@:167@:3.43378@:3.43378@:0.19864@:6.49866@:3
.43378@:0@:freebass@} [167]
@{char@:Downbow@:107@:3.34126@:3.34126@:0@:5.93999@:3.34126@:0@:downbow@} [107]

@{char@:Straight caesura@:141@:0@:7.935@:3.17401@:4.76099@:7.935@:0@:caesura.st
raight@} [141]
@{char@:Mensural 6/8 meter@:154@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:mens
ural68alt@} [154]
@{char@:accordion register stdbass@:168@:6.58379@:6.58379@:0.19864@:12.79868@:6
.58379@:0@:stdbass@} [168]
@{char@:Segno@:116@:5@:5@:7.5@:7.5@:5@:0@:segno@} [116]@{char@:Reverse turn@:108@:4.87267@:4.87267@:2.35854@:2.35854@:4.87267@:0@:reve
rseturn@} [108]
@{char@:Tick mark@:142@:2.38052@:4.36421@:0@:6.74474@:4.36421@:0@:tickmark@}
[142]
@{char@:F clef (reduced)@:147@:0@:7.58853@:7.07005@:2.82802@:7.58853@:0@:F_chan
ge@} [147]
@{char@:Varied Segno@:117@:6.25@:6.25@:20@:20@:6.25@:0@:varsegno@} [117]
@{char@:Turn@:109@:4.87267@:4.87267@:2.35854@:2.35854@:4.87267@:0@:turn@} [109]

@{char@:accordion register bayanbass@:169@:3.43378@:3.43378@:0.28377@:9.7338@:3
.43378@:0@:bayanbass@} [169]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.116@:2.116@:2.116@:3.174@:2.1
16@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:Coda@:118@:5.08336@:5.08336@:6.75003@:6.75003@:5.08336@:0@:coda@} [118]
@{char@:Trill (`tr')@:110@:3.78677@:3.78677@:0@:9.35545@:3.78677@:0@:trill@}
[110]
@{char@:G clef@:148@:0@:9.06735@:9.01427@:16.96803@:9.06735@:0@:G@} [148]
@{char@:left heel@:111@:2.22751@:2.22751@:2.22751@:2.97@:2.22751@:0@:upedalheel
@} [111]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:10.85947@:7.935@:7.935@:10.85947@:0@:C@} [144]@{char@:Varied Coda@:119@:5.08337@:5.08337@:6.75005@:6.75005@:5.08337@:0@:varco
da@} [119]
@{char@:right heel@:112@:2.22751@:2.22751@:2.97@:2.22751@:2.22751@:0@:dpedalhee
l@} [112]
@{char@:Right Comma@:120@:0@:2.5@:3.00003@:3.00003@:2.5@:0@:rcomma@} [120]
@{char@:G clef@:149@:0@:7.25392@:7.21146@:14.02298@:7.25392@:0@:G_change@}
[149]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:8.78053@:6.34802@:6.34802@:8.78053@:0@:C_change@} [145]

@{char@:left toe@:113@:2.22751@:2.22751@:0@:6.68251@:2.22751@:0@:upedaltoe@}
[113]
@{char@:Left Comma@:121@:2.5@:0@:3.00003@:3.00003@:0@:0@:lcomma@} [121]
@{char@:accordion oldEE@:170@:3.43378@:3.43378@:0@:6.69728@:3.43378@:0@:oldEE@}
[170]
@{char@:right toe@:114@:2.22751@:2.22751@:6.68251@:0@:2.22751@:0@:dpedaltoe@}
[114]
@{char@:Right Varied Comma@:122@:1.25@:1.25@:3.00003@:3.00003@:1.25@:0@:rvarcom
ma@} [122]
@{char@:percussion clef@:150@:-2.36844@:7.07@:3.535@:3.535@:7.07@:0@:percussion
@} [150]
@{char@:accordion push@:171@:3.04382@:0@:0@:7.60968@:0@:0@:push@} [171]
@{char@:Flageolet@:115@:2.376@:2.376@:2.376@:2.376@:2.376@:0@:flageolet@} [115]

@{char@:Left Varied Comma@:123@:1.25@:1.25@:3.00003@:3.00003@:1.25@:0@:lvarcomm
a@} [123]@{char@:F clef @:146@:0@:10.64615@:9.91875@:3.9675@:10.64615@:0@:F@} [146]
@{char@:percussion clef (reduced)@:151@:-1.89476@:5.65604@:2.82802@:2.82802@:5.
65604@:0@:percussion_change@} [151]
@{char@:accordion pull@:172@:2.44975@:0.59407@:0@:7.60968@:0.59407@:0@:pull@}
[172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:Arpeggio@:124@:0@:4.00002@:0@:5@:4.00002@:0@:arpeggio@} [124]@{char@:Segno@:116@:4.455@:4.455@:6.68251@:6.68251@:4.455@:0@:segno@} [116]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:1.99496@:0@:0@:0@:lyric.short@} [173]
@{char@:Trill_element@:125@:0@:5@:0@:4.00002@:5@:0@:trill_element@} [125]
@{char@:Default lyric tie@:174@:0@:0@:2.06496@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:12.6@}
@{parameter@:stafflinethickness@:0.43655@}
@{parameter@:staff_space@:3.15001@}
@{parameter@:linethickness@:0.43655@}
@{parameter@:black_notehead_width@:4.12764@}
@{parameter@:ledgerlinethickness@:0.87311@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Arpeggio arrow down@:126@:0@:4.00002@:0@:5@:4.00002@:0@:arpeggio.arrow.
M1@} [126]
@{char@:tab clef@:152@:-0.70699@:9.89803@:10.18088@:10.18088@:9.89803@:0@:tab@}
[152]
@{char@:F clef (reduced)@:147@:0@:8.51694@:7.93503@:3.17401@:8.51694@:0@:F_chan
ge@} [147]
@{char@:Varied Segno@:117@:5.56876@:5.56876@:17.82@:17.82@:5.56876@:0@:varsegno
@} [117]
(some charht values had to be adjusted by as much as 0.28354pt)
(some chardp values had to be adjusted by as much as 0.21828pt)
Font metrics written on feta13.tfm.
142 output files written: feta13.33 .. feta13.174
Transcript written on feta13.log.

@{char@:Arpeggio arrow up@:127@:0@:4.00002@:0@:5@:4.00002@:0@:arpeggio.arrow.1@
} [127] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf

@{char@:Coda@:118@:4.52928@:4.52928@:6.01428@:6.01428@:4.52928@:0@:coda@} [118]
@{char@:trilelement@:128@:2.08334@:2.08334@:2.5@:2.5@:2.08334@:0@:trilelement@}
[128]
@{char@:G clef@:148@:0@:10.17671@:10.11713@:19.044@:10.17671@:0@:G@} [148]
@{char@:tab clef (reduced)@:153@:-0.5656@:7.91846@:8.14473@:8.14473@:7.91846@:0
@:tab_change@} [153]
@{puorg@:clefs@}
)@{char@:Varied Coda@:119@:4.5651@:4.5651@:6.0501@:6.0501@:4.5651@:0@:varcoda@}
[119]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:prall@:129@:4.16667@:4.16667@:2.5@:2.5@:4.16667@:0@:prall@} [129]
@{char@:Right Comma@:120@:0@:2.22751@:2.67303@:2.67303@:2.22751@:0@:rcomma@}
[120]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:5.91325@:3.535@:3.535@:5.91325@:0@:C44@} [154]
@{char@:Left Comma@:121@:2.22751@:0@:2.67303@:2.67303@:0@:0@:lcomma@} [121]
@{char@:Mensural 2/4 meter@:155@:0@:5.05695@:3.79271@:3.79271@:5.05695@:0@:mens
ural24@} [155]
@{char@:Right Varied Comma@:122@:1.11375@:1.11375@:2.67303@:2.67303@:1.11375@:0
@:rvarcomma@} [122]
@{char@:2/2 meter@:155@:0@:5.91325@:3.535@:3.535@:5.91325@:0@:C22@} [155]
@{puorg@:timesig@}
)
@{char@:G clef@:149@:0@:8.14139@:8.09373@:15.73862@:8.14139@:0@:G_change@}
[149]
@{char@:mordent@:130@:4.16667@:4.16667@:3.33333@:3.33333@:4.16667@:0@:mordent@}
[130] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:Mensural 4/4 meter@:156@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural44@} [156]
@{char@:Left Varied Comma@:123@:1.11375@:1.11375@:2.67303@:2.67303@:1.11375@:0@
:lvarcomma@} [123]
@{char@:Arpeggio@:124@:0@:3.56401@:0@:4.455@:3.56401@:0@:arpeggio@} [124]
@{char@:Mensural 2/2 meter@:157@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural22@} [157]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:5.4989@:0@:5.4989@:5.4989@:0@:*@} [156]
@{char@:prallprall@:131@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:prallprall@}
[131]
@{char@:Trill_element@:125@:0@:4.455@:0@:3.56401@:4.455@:0@:trill_element@}
[125]
@{char@:Mensural 3/2 meter@:158@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural32@} [158]
@{char@:Pedal dash@:157@:0@:3.37372@:0@:4.04001@:3.37372@:0@:M@} [157]
@{char@:Arpeggio arrow down@:126@:0@:3.56401@:0@:4.455@:3.56401@:0@:arpeggio.ar
row.M1@} [126]
@{char@:percussion clef@:150@:-2.65822@:7.935@:3.9675@:3.9675@:7.935@:0@:percus
sion@} [150]
@{char@:Pedal dot@:158@:0@:1.12457@:0@:1.12457@:1.12457@:0@:.@} [158]
@{char@:prallmordent@:132@:6.25002@:6.25002@:3.33333@:3.33333@:6.25002@:0@:pral
lmordent@} [132]
@{char@:percussion clef (reduced)@:151@:-2.12659@:6.34802@:3.17401@:3.17401@:6.
34802@:0@:percussion_change@} [151]
@{char@:Arpeggio arrow up@:127@:0@:3.56401@:0@:4.455@:3.56401@:0@:arpeggio.arro
w.1@} [127]
@{char@:Mensural 6/4 meter@:159@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural64@} [159]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:Pedal P@:159@:0@:5.89168@:0@:7.07@:5.89168@:0@:P@} [159]
@{char@:Mensural 9/4 meter@:160@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural94@} [160]
@{char@:Pedal d@:160@:0@:4.71333@:0@:6.18626@:4.71333@:0@:d@} [160]
@{char@:trilelement@:128@:1.85625@:1.85625@:2.22751@:2.22751@:1.85625@:0@:trile
lement@} [128]
@{char@:tab clef@:152@:-0.79349@:11.10901@:11.42645@:11.42645@:11.10901@:0@:tab
@} [152]
@{char@:Pedal e@:161@:0@:2.828@:0@:4.04001@:2.828@:0@:e@} [161]
@{char@:Mensural 3/4 meter@:161@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural34@} [161]
@{char@:prall@:129@:3.7125@:3.7125@:2.22751@:2.22751@:3.7125@:0@:prall@} [129]
@{char@:Mensural 6/8 meter@:162@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural68@} [162]
@{char@:tab clef (reduced)@:153@:-0.6348@:8.88724@:9.14119@:9.14119@:8.88724@:0
@:tab_change@} [153]
@{puorg@:clefs@}
)
@{char@:Pedal Ped@:162@:0@:11.28372@:0@:7.07@:11.28372@:0@:Ped@} [162]
@{puorg@:pedal@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:mordent@:130@:3.7125@:3.7125@:2.97@:2.97@:3.7125@:0@:mordent@} [130]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:6.71649@:0.79538@:4.83588@:6.71649@:0@:up@}
[163]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:6.6769@:3.9675@:3.9675@:6.6769@:0@:C44@} [154]
@{char@:upprall@:133@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:upprall@} [133]
@{char@:bracket tip down@:164@:0@:6.71649@:4.83588@:0.79538@:6.71649@:0@:down@}
[164]
@{puorg@:brackettips@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:Mensural 9/8 meter@:163@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural98@} [163]
@{char@:upmordent@:134@:6.25002@:6.25002@:3.33333@:3.33333@:6.25002@:0@:upmorde
nt@} [134]
@{char@:prallprall@:131@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:prallp
rall@} [131]
@{char@:2/2 meter@:155@:0@:6.6769@:3.9675@:3.9675@:6.6769@:0@:C22@} [155]
@{puorg@:timesig@}
)
@{char@:pralldown@:135@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:pralldown@}
[135] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{group@:accordion@}
@{char@:accordion register discant@:165@:5.59486@:5.59486@:0.20465@:10.80966@:5
.59486@:0@:discant@} [165]
@{char@:accordion register dot@:166@:0.88376@:0.88376@:0.88376@:0.88376@:0.8837
6@:0@:dot@} [166]
@{char@:accordion register freebass@:167@:3.82736@:3.82736@:0.20465@:7.27466@:3
.82736@:0@:freebass@} [167]
@{char@:downprall@:136@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:downprall@}
[136]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:6.17166@:0@:6.17166@:6.17166@:0@:*@} [156]
@{char@:Pedal dash@:157@:0@:3.6177@:0@:4.53429@:3.6177@:0@:M@} [157]
@{char@:downmordent@:137@:6.25002@:6.25002@:3.33333@:3.33333@:6.25002@:0@:downm
ordent@} [137]
@{char@:Mensural 4/8 meter@:164@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural48@} [164]
@{char@:accordion register stdbass@:168@:7.36237@:7.36237@:0.20465@:14.34467@:7
.36237@:0@:stdbass@} [168]
@{char@:prallmordent@:132@:5.56874@:5.56874@:2.97@:2.97@:5.56874@:0@:prallmorde
nt@} [132]
@{char@:prallup@:138@:6.25002@:6.25002@:2.5@:2.5@:6.25002@:0@:prallup@} [138]
@{char@:Mensural 6/8 meter@:165@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural68alt@} [165]
@{char@:upprall@:133@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:upprall@}
[133]
@{char@:lineprall@:139@:6.25002@:6.25002@:2.5@:10@:6.25002@:0@:lineprall@}
[139])
@{char@:accordion register bayanbass@:169@:3.82736@:3.82736@:0.29236@:10.89737@
:3.82736@:0@:bayanbass@} [169]
@{char@:upmordent@:134@:5.56874@:5.56874@:2.97@:2.97@:5.56874@:0@:upmordent@}
[134]
@{char@:Curved caesura@:140@:0@:10@:4.00002@:5.99998@:10@:0@:caesura.curved@}
[140]
@{char@:Mensural 2/4 meter@:166@:0@:5.05695@:2.52847@:2.52847@:5.05695@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
)
@{char@:pralldown@:135@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:pralldo
wn@} [135] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:Straight caesura@:141@:0@:10@:4.00002@:5.99998@:10@:0@:caesura.straight
@} [141]
@{group@:scripts@}
@{char@:ictus@:167@:0.21236@:0.21236@:0.49089@:0.49089@:0.21236@:0@:ictus@}
[167]
@{char@:accentus up@:168@:0.35063@:0.35063@:0.49089@:0.49089@:0.35063@:0@:uacce
ntus@} [168]
@{char@:downprall@:136@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:downpra
ll@} [136]
@{char@:Tick mark@:142@:3.00003@:5.49995@:0@:8.49998@:5.49995@:0@:tickmark@}
[142]
@{char@:accentus down@:169@:0.35063@:0.35063@:0.49089@:0.49089@:0.35063@:0@:dac
centus@} [169]
@{char@:accordion oldEE@:170@:3.82736@:3.82736@:0@:7.4793@:3.82736@:0@:oldEE@}
[170]
@{char@:downmordent@:137@:5.56874@:5.56874@:2.97@:2.97@:5.56874@:0@:downmordent
@} [137]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.66667@:2.66667@:2.66667@:4@:2
.66667@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
)
@{char@:half circle@:170@:0.4383@:0.4383@:0@:0.4383@:0.4383@:0@:usemicirculus@}
[170]
@{char@:Pedal dot@:158@:0@:1.2059@:0@:1.2059@:1.2059@:0@:.@} [158] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:prallup@:138@:5.56874@:5.56874@:2.22751@:2.22751@:5.56874@:0@:prallup@}
[138]
@{char@:accordion push@:171@:3.36768@:0@:0@:8.41931@:0@:0@:push@} [171]
@{char@:accordion pull@:172@:2.74115@:0.62653@:0@:8.41931@:0.62653@:0@:pull@}
[172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:13.60002@:10@:10@:13.60002@:0@:C@} [144]
@{char@:Pedal P@:159@:0@:6.6125@:0@:7.935@:6.6125@:0@:P@} [159]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:2.23882@:0@:0@:0@:lyric.short@} [173]
@{char@:Pedal d@:160@:0@:5.29@:0@:6.94313@:5.29@:0@:d@} [160]
@{char@:half circle@:171@:0.4383@:0.4383@:0.4383@:0@:0.4383@:0@:dsemicirculus@}
[171]
@{char@:lineprall@:139@:5.56874@:5.56874@:2.22751@:8.91003@:5.56874@:0@:linepra
ll@} [139])
@{char@:Default lyric tie@:174@:0@:0@:2.31735@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:14.14@}
@{parameter@:stafflinethickness@:0.44977@}
@{parameter@:staff_space@:3.535@}
@{parameter@:linethickness@:0.44977@}
@{parameter@:black_notehead_width@:4.64114@}
@{parameter@:ledgerlinethickness@:0.89954@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:10.98006@:8.00003@:8.00003@:10.98006@:0@:C_change@}
[145]
@{char@:Curved caesura@:140@:0@:8.91@:3.56401@:5.346@:8.91@:0@:caesura.curved@}
[140]
(some charht values had to be adjusted by as much as 0.31819pt)
(some chardp values had to be adjusted by as much as 0.22903pt)
Font metrics written on feta14.tfm.
142 output files written: feta14.33 .. feta14.174
Transcript written on feta14.log.

@{char@:Straight caesura@:141@:0@:8.91@:3.56401@:5.346@:8.91@:0@:caesura.straig
ht@} [141]
@{char@:circle@:172@:0.4383@:0.4383@:0.4383@:0.4383@:0.4383@:0@:circulus@}
[172]
@{char@:F clef @:146@:0@:13.4167@:12.5@:5@:13.4167@:0@:F@} [146]
@{char@:augmentum@:173@:0.35063@:0.35063@:0.35063@:0.35063@:0.35063@:0@:augment
um@} [173]
@{char@:Tick mark@:142@:2.67303@:4.90045@:0@:7.57349@:4.90045@:0@:tickmark@}
[142]
@{char@:F clef (reduced)@:147@:0@:10.7334@:10.00005@:4.00002@:10.7334@:0@:F_cha
nge@} [147]
@{char@:signum congruentiae up@:174@:2.03958@:2.03958@:1.06178@:7.09651@:2.0395
8@:0@:usignumcongruentiae@} [174]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.376@:2.376@:2.376@:3.564@:2.3
76@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:signum congruentiae down@:175@:2.03958@:2.03958@:7.09651@:1.06178@:2.03
958@:0@:dsignumcongruentiae@} [175]
@{char@:G clef@:148@:0@:12.82509@:12.75002@:24.00002@:12.82509@:0@:G@} [148]
@{char@:Kievan end of piece (slash)@:176@:0@:4.48798@:6.01349@:8.01155@:4.48798
@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{char@:G clef@:149@:0@:10.26012@:10.20006@:19.83444@:10.26012@:0@:G_change@}
[149]
@{group@:dots@}
@{char@:duration dot@:177@:0@:0.79343@:0.39671@:0.39671@:0.79343@:0@:dotvatican
a@} [177]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:12.15344@:8.91@:8.91@:12.15344@:0@:C@} [144]
@{char@:Pedal e@:161@:0@:3.174@:0@:4.53429@:3.174@:0@:e@} [161]
@{char@:percussion clef@:150@:-3.34999@:10@:5@:5@:10@:0@:percussion@} [150]
@{char@:Pedal Ped@:162@:0@:12.66425@:0@:7.935@:12.66425@:0@:Ped@} [162]
@{puorg@:pedal@}
)
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:9.81906@:7.12802@:7.12802@:9.81906@:0@:C_change@} [145]
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:percussion clef (reduced)@:151@:-2.68001@:8.00003@:4.00002@:4.00002@:8.
00003@:0@:percussion_change@} [151]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:7.53822@:0.89268@:5.42754@:7.53822@:0@:up@}
[163]@{char@:F clef @:146@:0@:11.95428@:11.13751@:4.455@:11.95428@:0@:F@} [146]
@{char@:bracket tip down@:164@:0@:7.53822@:5.42754@:0.89268@:7.53822@:0@:down@}
[164]
@{puorg@:brackettips@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:F clef (reduced)@:147@:0@:9.56346@:8.91003@:3.56401@:9.56346@:0@:F_chan
ge@} [147]
@{group@:accordion@}
@{char@:accordion register discant@:165@:6.25325@:6.25325@:0.21141@:12.1139@:6.
25325@:0@:discant@} [165]
@{char@:accordion register dot@:166@:0.99188@:0.99188@:0.99188@:0.99188@:0.9918
8@:0@:dot@} [166]
@{char@:tab clef@:152@:-0.99998@:14.00002@:14.40009@:14.40009@:14.00002@:0@:tab
@} [152]
@{char@:accordion register freebass@:167@:4.2695@:4.2695@:0.21141@:8.14641@:4.2
695@:0@:freebass@} [167]
@{char@:G clef@:148@:0@:11.42715@:11.36028@:21.38402@:11.42715@:0@:G@} [148]
@{char@:accordion register stdbass@:168@:8.237@:8.237@:0.21141@:16.0814@:8.237@
:0@:stdbass@} [168]
@{char@:Kievan augmentation dot@:178@:0@:2.3803@:1.19016@:1.19016@:2.3803@:0@:d
otkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:G clef@:149@:0@:9.14175@:9.08824@:17.67249@:9.14175@:0@:G_change@}
[149]
@{char@:accordion register bayanbass@:169@:4.2695@:4.2695@:0.302@:12.2045@:4.26
95@:0@:bayanbass@} [169]
(some charht values had to be adjusted by as much as 0.35063pt)
(some chardp values had to be adjusted by as much as 0.35063pt)
Font metrics written on parmesan11.tfm.
146 output files written: parmesan11.33 .. parmesan11.178
Transcript written on parmesan11.log.

@{char@:tab clef (reduced)@:153@:-0.79999@:11.20006@:11.52011@:11.52011@:11.200
06@:0@:tab_change@} [153]
@{puorg@:clefs@}
)
@{char@:percussion clef@:150@:-2.98485@:8.91@:4.455@:4.455@:8.91@:0@:percussion
@} [150]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:percussion clef (reduced)@:151@:-2.38788@:7.12802@:3.56401@:3.56401@:7.
12802@:0@:percussion_change@} [151]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:8.49997@:5@:5@:8.49997@:0@:C44@} [154]
@{char@:2/2 meter@:155@:0@:8.49997@:5@:5@:8.49997@:0@:C22@} [155]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:tab clef@:152@:-0.89099@:12.47401@:12.83047@:12.83047@:12.47401@:0@:tab
@} [152]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:7.77777@:0@:7.77777@:7.77777@:0@:*@} [156]
@{char@:Pedal dash@:157@:0@:4.20021@:0@:5.71428@:4.20021@:0@:M@} [157]
@{char@:accordion oldEE@:170@:4.2695@:4.2695@:0@:8.3578@:4.2695@:0@:oldEE@}
[170]
@{char@:accordion push@:171@:3.73148@:0@:0@:9.32884@:0@:0@:push@} [171]
@{char@:Pedal dot@:158@:0@:1.40007@:0@:1.40007@:1.40007@:0@:.@} [158]
@{char@:accordion pull@:172@:3.06848@:0.663@:0@:9.32884@:0.663@:0@:pull@} [172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:tab clef (reduced)@:153@:-0.71278@:9.97925@:10.26442@:10.26442@:9.97925
@:0@:tab_change@} [153]
@{puorg@:clefs@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:2.51271@:0@:0@:0@:lyric.short@} [173]
@{char@:Pedal P@:159@:0@:8.33333@:0@:10@:8.33333@:0@:P@} [159]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:7.53767@:4.455@:4.455@:7.53767@:0@:C44@} [154]
@{char@:Default lyric tie@:174@:0@:0@:2.60088@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:15.87@}
@{parameter@:stafflinethickness@:0.46461@}
@{parameter@:staff_space@:3.9675@}
@{parameter@:linethickness@:0.46461@}
@{parameter@:black_notehead_width@:5.21574@}
@{parameter@:ledgerlinethickness@:0.92923@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Pedal d@:160@:0@:6.66667@:0@:8.75@:6.66667@:0@:d@} [160]
@{char@:2/2 meter@:155@:0@:7.53767@:4.455@:4.455@:7.53767@:0@:C22@} [155]
@{puorg@:timesig@}
)
@{char@:Pedal e@:161@:0@:4@:0@:5.71428@:4@:0@:e@} [161] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
(some charht values had to be adjusted by as much as 0.35712pt)
(some chardp values had to be adjusted by as much as 0.27213pt)
Font metrics written on feta16.tfm.
142 output files written: feta16.33 .. feta16.174
Transcript written on feta16.log.

@{char@:Pedal Ped@:162@:0@:15.95999@:0@:10@:15.95999@:0@:Ped@} [162]
@{puorg@:pedal@}
)
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:6.93001@:0@:6.93001@:6.93001@:0@:*@} [156] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:Pedal dash@:157@:0@:3.89268@:0@:5.09143@:3.89268@:0@:M@} [157]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:9.49997@:1.125@:6.84@:9.49997@:0@:up@} [163]
@{char@:Pedal dot@:158@:0@:1.29756@:0@:1.29756@:1.29756@:0@:.@} [158]
@{char@:bracket tip down@:164@:0@:9.49997@:6.84@:1.125@:9.49997@:0@:down@}
[164]
@{puorg@:brackettips@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{group@:accordion@}
@{char@:accordion register discant@:165@:7.82503@:7.82503@:0.22752@:15.22752@:7
.82503@:0@:discant@} [165]
@{char@:Pedal P@:159@:0@:7.425@:0@:8.91@:7.425@:0@:P@} [159]
@{char@:accordion register dot@:166@:1.25@:1.25@:1.25@:1.25@:1.25@:0@:dot@}
[166]
@{char@:Pedal d@:160@:0@:5.94@:0@:7.79625@:5.94@:0@:d@} [160]
@{char@:accordion register freebass@:167@:5.32503@:5.32503@:0.22752@:10.22752@:
5.32503@:0@:freebass@} [167]
@{char@:Pedal e@:161@:0@:3.564@:0@:5.09143@:3.564@:0@:e@} [161]
@{char@:accordion register stdbass@:168@:10.32503@:10.32503@:0.22752@:20.22752@
:10.32503@:0@:stdbass@} [168]
@{char@:accordion register bayanbass@:169@:5.32503@:5.32503@:0.32503@:15.32503@
:5.32503@:0@:bayanbass@} [169]
@{char@:Pedal Ped@:162@:0@:14.22035@:0@:8.91@:14.22035@:0@:Ped@} [162]
@{puorg@:pedal@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:8.46448@:1.00237@:6.09444@:8.46448@:0@:up@}
[163]
@{char@:bracket tip down@:164@:0@:8.46448@:6.09444@:1.00237@:8.46448@:0@:down@}
[164]
@{puorg@:brackettips@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{group@:accordion@}
@{char@:accordion register discant@:165@:6.99539@:6.99539@:0.21901@:13.58403@:6
.99539@:0@:discant@} [165]
@{char@:accordion register dot@:166@:1.11375@:1.11375@:1.11375@:1.11375@:1.1137
5@:0@:dot@} [166]
@{char@:accordion oldEE@:170@:5.32503@:5.32503@:0@:10.45503@:5.32503@:0@:oldEE@
} [170]
@{char@:accordion register freebass@:167@:4.76788@:4.76788@:0.21901@:9.12901@:4
.76788@:0@:freebass@} [167]
@{char@:accordion push@:171@:4.59999@:0@:0@:11.50014@:0@:0@:push@} [171]
@{char@:accordion pull@:172@:3.84993@:0.75006@:0@:11.50014@:0.75006@:0@:pull@}
[172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:accordion register stdbass@:168@:9.22289@:9.22289@:0.21901@:18.03902@:9
.22289@:0@:stdbass@} [168]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:3.16663@:0@:0@:0@:lyric.short@} [173]
@{char@:Default lyric tie@:174@:0@:0@:3.27773@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:20@}
@{parameter@:stafflinethickness@:0.50005@}
@{parameter@:staff_space@:5@}
@{parameter@:linethickness@:0.50005@}
@{parameter@:black_notehead_width@:6.58089@}
@{parameter@:ledgerlinethickness@:1.00009@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:accordion register bayanbass@:169@:4.76788@:4.76788@:0.31288@:13.67789@
:4.76788@:0@:bayanbass@} [169]
(some charht values had to be adjusted by as much as 0.45006pt)
(some chardp values had to be adjusted by as much as 0.36115pt)
Font metrics written on feta20.tfm.
142 output files written: feta20.33 .. feta20.174
Transcript written on feta20.log.

@{char@:accordion oldEE@:170@:4.76788@:4.76788@:0@:9.34802@:4.76788@:0@:oldEE@}
[170]
@{char@:accordion push@:171@:4.14154@:0@:0@:10.35402@:0@:0@:push@} [171]
@{char@:accordion pull@:172@:3.43744@:0.7041@:0@:10.35402@:0.7041@:0@:pull@}
[172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:2.82146@:0@:0@:0@:lyric.short@} [173]
@{char@:Default lyric tie@:174@:0@:0@:2.92044@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:17.82@}
@{parameter@:stafflinethickness@:0.48134@}
@{parameter@:staff_space@:4.455@}
@{parameter@:linethickness@:0.48134@}
@{parameter@:black_notehead_width@:5.86116@}
@{parameter@:ledgerlinethickness@:0.96268@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.401pt)
(some chardp values had to be adjusted by as much as 0.3207pt)
Font metrics written on feta18.tfm.
142 output files written: feta18.33 .. feta18.174
Transcript written on feta18.log.

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-noteheads11.pt1 feta-noteheads11.pfb"...

Invoking "fontforge -script feta-noteheads11.pe feta-noteheads11.pfb"...

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan-noteheads11.pt1 parmesan-noteheads11.pfb"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.

*** Successfully generated feta-noteheads11.pfb! ***

Invoking "fontforge -script parmesan-noteheads11.pe parmesan-noteheads11.pfb"...
( echo ./out/feta23.pfb:  > out/feta23.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta23.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta23 --fullname=feta23 --name=feta23 feta23.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta23.mf'"...
Failed to change locale.
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta23.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
*** Successfully generated parmesan-noteheads11.pfb! ***
)
@{font@:GNU@:LilyPond@:feta@:22.45@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{group@:rests@}
@{char@:whole rest@:33@:0@:8.41876@:3.50781@:0@:8.41876@:0@:0@} [33]
@{char@:half rest@:34@:0@:8.41876@:0@:3.50781@:8.41876@:0@:1@} [34]
@{char@:whole rest (outside staff)@:35@:0@:8.41876@:3.50781@:0.52107@:8.41876@:
0@:0o@} [35]( echo ./out/feta26.pfb:  > out/feta26.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta26.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta26 --fullname=feta26 --name=feta26 feta26.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:half rest (outside staff)@:36@:0@:8.41876@:0.52107@:3.50781@:8.41876@:0
@:1o@} [36]
@{char@:maxima rest@:37@:0@:10.10252@:5.6125@:5.6125@:10.10252@:0@:M3@} [37]
@{char@:longa rest@:38@:0@:3.36751@:5.6125@:5.6125@:3.36751@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:3.36751@:0@:5.6125@:3.36751@:0@:M1@} [39]
@{char@:breve rest (outside staff)@:40@:0@:3.36751@:0.52107@:5.6125@:3.36751@:0
@:M1o@} [40]
@{char@:Quarter rest@:41@:0@:5.33186@:7.01563@:8.76955@:5.33186@:0@:2@} [41]
@{char@:Classical quarter rest@:42@:0@:5.6125@:5.87305@:4.60226@:5.6125@:0@:2cl
assical@} [42]
@{char@:8th rest@:43@:0@:5.6125@:5.87305@:4.60226@:5.6125@:0@:3@} [43]
@{char@:16th rest@:44@:0@:6.73499@:11.48555@:4.60226@:6.73499@:0@:4@} [44]
@{char@:32th rest@:45@:0@:7.29626@:11.48555@:10.21477@:7.29626@:0@:5@} [45]
@{char@:64th rest@:46@:0@:7.85747@:17.09805@:10.21477@:7.85747@:0@:6@} [46]
@{char@:128th rest@:47@:0@:8.41876@:17.09805@:15.82727@:8.41876@:0@:7@} [47]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:6.17378@:8.41876@:8.41876@:6.17378@:0@:sharp@} [48]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:6.17378@:8.41876@:15.15375@:6.17378@:0
@:sharp.arrowup@} [49]
@{char@:Arrowed Sharp (arrow down)@:50@:0.78162@:6.17378@:15.15375@:8.41876@:6.
17378@:0@:sharp.arrowdown@} [50]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.78162@:6.17378@:15.15375@:15.
15375@:6.17378@:0@:sharp.arrowboth@} [51]
@{char@:1/2 Sharp@:52@:0@:3.92874@:8.41876@:8.41876@:3.92874@:0@:sharp.slashsla
sh.stem@} [52]
@{char@:Sharp (3 beams)@:53@:0@:6.17378@:8.41876@:8.41876@:6.17378@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:1/2 Sharp (3 beams)@:54@:0@:5.33186@:7.29626@:7.29626@:5.33186@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:3/4 Sharp@:55@:0@:8.98004@:8.41876@:8.41876@:8.98004@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:Natural@:56@:0@:3.74167@:8.41876@:8.41876@:3.74167@:0@:natural@} [56]
@{char@:Arrowed Natural (arrow up)@:57@:1.56322@:3.74167@:8.41876@:15.15375@:3.
74167@:0@:natural.arrowup@} [57]
@{char@:Arrowed Natural (arrow down)@:58@:0@:3.74167@:15.15375@:8.41876@:3.7416
7@:0@:natural.arrowdown@} [58]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.56322@:3.74167@:15.15375@:1
5.15375@:3.74167@:0@:natural.arrowboth@} [59]
@{char@:Flat@:60@:0.62529@:4.49002@:3.36754@:10.66373@:4.49002@:0@:flat@} [60]
@{char@:Arrowed Flat (arrow up)@:61@:1.7977@:4.49002@:3.36754@:15.15375@:4.4900
2@:0@:flat.arrowup@} [61]
@{char@:Arrowed Flat (arrow down)@:62@:1.7977@:4.49002@:12.34758@:10.66373@:4.4
9002@:0@:flat.arrowdown@} [62]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.7977@:4.49002@:12.34758@:15.153
75@:4.49002@:0@:flat.arrowboth@} [63]
@{char@:Flat (slashed)@:64@:2.24496@:4.49002@:3.36754@:10.66373@:4.49002@:0@:fl
at.slash@} [64]
@{char@:Flat (slashed twice)@:65@:2.24496@:4.49002@:3.36754@:10.66373@:4.49002@
:0@:flat.slashslash@} [65]
@{char@:Flatflat (mirrored)@:66@:0@:8.98004@:3.36754@:10.66373@:8.98004@:0@:mir
roredflat.flat@} [66]
@{char@:Semi flat@:67@:0.62529@:4.49002@:3.36754@:10.66373@:4.49002@:0@:mirrore
dflat@} [67]
@{char@:Semi flat@:68@:2.24496@:4.49002@:3.36754@:10.66373@:4.49002@:0@:mirrore
dflat.backslash@} [68]
@{char@:Double Flat@:69@:0.62529@:8.1381@:3.36754@:10.66373@:8.1381@:0@:flatfla
t@} [69]
@{char@:3/4 Flat@:70@:0.62529@:8.1381@:3.36754@:10.66373@:8.1381@:0@:flatflat.s
lash@} [70]
@{char@:Double Sharp@:71@:0@:5.6125@:2.80626@:2.80626@:5.6125@:0@:doublesharp@}
[71]
@{char@:Right Parenthesis@:72@:0@:3.32733@:5.6125@:5.6125@:3.32733@:0@:rightpar
en@} [72]
@{char@:Left Parenthesis@:73@:3.32733@:0@:5.6125@:5.6125@:0@:0@:leftparen@}
[73]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{group@:arrowheads@}
@{char@:open@:74@:5.6125@:0.41687@:2.80626@:2.80626@:0.41687@:0@:open.01@}
[74]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta26.mf'"...

@{char@:open@:75@:0.41687@:5.6125@:2.80626@:2.80626@:5.6125@:0@:open.0M1@}
[75]
@{char@:open@:76@:2.80626@:2.80626@:5.6125@:0.41687@:2.80626@:0@:open.11@}
[76]
@{char@:open@:77@:2.80626@:2.80626@:0.41687@:5.6125@:2.80626@:0@:open.1M1@}
[77]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta11.pt1 feta11.pfb"...

@{char@:close@:78@:5.6125@:0@:2.80626@:2.80626@:0@:0@:close.01@} [78]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp
@{char@:close@:79@:0@:5.6125@:2.80626@:2.80626@:5.6125@:0@:close.0M1@} [79] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:close@:80@:2.80626@:2.80626@:5.6125@:0@:2.80626@:0@:close.11@} [80]
@{char@:close@:81@:2.80626@:2.80626@:0@:5.6125@:2.80626@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{group@:dots@}
@{char@:duration dot@:82@:0@:2.54572@:1.27286@:1.27286@:2.54572@:0@:dot@} [82]
@{puorg@:dots@}
)
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta26.mf
@{group@:scripts@}
@{char@:fermata up@:83@:7.40643@:7.40643@:0.39081@:8.108@:7.40643@:0@:ufermata@
} [83]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:fermata down@:84@:7.40643@:7.40643@:8.108@:0.39081@:7.40643@:0@:dfermat
a@} [84] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:25.2@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{group@:rests@}
@{char@:whole rest@:33@:0@:9.45001@:3.9375@:0@:9.45001@:0@:0@} [33]
Invoking "fontforge -script feta11.pe feta11.pfb"...

@{char@:short fermata up@:85@:5.6125@:5.6125@:0@:12.34749@:5.6125@:0@:ushortfer
mata@} [85]
@{char@:half rest@:34@:0@:9.45001@:0@:3.9375@:9.45001@:0@:1@} [34]
@{char@:short fermata down@:86@:5.6125@:5.6125@:12.34749@:0@:5.6125@:0@:dshortf
ermata@} [86]
@{char@:whole rest (outside staff)@:35@:0@:9.45001@:3.9375@:0.54466@:9.45001@:0
@:0o@} [35]
@{char@:long fermata up@:87@:7.01564@:7.01564@:0@:8.41876@:7.01564@:0@:ulongfer
mata@} [87]
@{char@:half rest (outside staff)@:36@:0@:9.45001@:0.54466@:3.9375@:9.45001@:0@
:1o@} [36]
@{char@:long fermata down@:88@:7.01564@:7.01564@:8.41876@:0@:7.01564@:0@:dlongf
ermata@} [88]
@{char@:maxima rest@:37@:0@:11.34@:6.3@:6.3@:11.34@:0@:M3@} [37]
@{char@:very long fermata up@:89@:8.41876@:8.41876@:0@:8.98004@:8.41876@:0@:uve
rylongfermata@} [89]
@{char@:longa rest@:38@:0@:3.78@:6.3@:6.3@:3.78@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:3.78@:0@:6.3@:3.78@:0@:M1@} [39]
@{char@:breve rest (outside staff)@:40@:0@:3.78@:0.54466@:6.3@:3.78@:0@:M1o@}
[40]
@{char@:very long fermata down@:90@:8.41876@:8.41876@:8.98004@:0@:8.41876@:0@:d
verylongfermata@} [90]
@{char@:Quarter rest@:41@:0@:5.98499@:7.875@:9.84377@:5.98499@:0@:2@} [41]
@{char@:Thumb@:91@:2.24501@:2.24501@:4.49004@:2.80626@:2.24501@:0@:thumb@}
[91]
@{char@:> accent@:92@:5.05122@:5.05122@:2.80626@:2.80626@:5.05122@:0@:sforzato@
} [92]
@{char@:Classical quarter rest@:42@:0@:6.3@:6.57234@:5.16602@:6.3@:0@:2classica
l@} [42]
@{char@:8th rest@:43@:0@:6.3@:6.57234@:5.16602@:6.3@:0@:3@} [43]
@{char@:16th rest@:44@:0@:7.55998@:12.87234@:5.16602@:7.55998@:0@:4@} [44]
@{char@:espr@:93@:10.66373@:10.66373@:2.80626@:2.80626@:10.66373@:0@:espr@}
[93]
@{char@:staccato dot@:94@:1.12248@:1.12248@:1.12248@:1.12248@:1.12248@:0@:stacc
ato@} [94]
@{char@:staccatissimo/martellato up@:95@:1.08235@:1.08235@:0.2@:5.57237@:1.0823
5@:0@:ustaccatissimo@} [95]
@{char@:staccatissimo/martellato down@:96@:1.08235@:1.08235@:5.57237@:0.2@:1.08
235@:0@:dstaccatissimo@} [96]
@{char@:portato/single tenuto@:97@:3.36754@:3.36754@:0.41687@:0.41687@:3.36754@
:0@:tenuto@} [97]
@{char@:32th rest@:45@:0@:8.19002@:12.87234@:11.46602@:8.19002@:0@:5@} [45]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:64th rest@:46@:0@:8.81996@:19.17235@:11.46602@:8.81996@:0@:6@} [46]
@{char@:portato/tenuto with staccato@:98@:3.36754@:3.36754@:0.36475@:3.65605@:3
.36754@:0@:uportato@} [98]Failed to change locale.

@{char@:portato/tenuto with staccato@:99@:3.36754@:3.36754@:3.65605@:0.36475@:3
.36754@:0@:dportato@} [99]
@{char@:128th rest@:47@:0@:9.45001@:19.17235@:17.76602@:9.45001@:0@:7@} [47]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:marcato up@:100@:2.80626@:2.80626@:0@:6.17378@:2.80626@:0@:umarcato@}
[100]
@{char@:marcato down@:101@:2.80626@:2.80626@:6.17378@:0@:2.80626@:0@:dmarcato@}
[101]
@{char@:open (unstopped)@:102@:2.24501@:2.24501@:2.80626@:2.80626@:2.24501@:0@:
open@} [102]
@{group@:accidentals@}
@{char@:Sharp@:48@:0@:6.93004@:9.45001@:9.45001@:6.93004@:0@:sharp@} [48]
@{char@:halfopen (unstopped)@:103@:2.24501@:2.24501@:2.80626@:2.80626@:2.24501@
:0@:halfopen@} [103]
@{char@:halfopen vertical@:104@:2.24501@:2.24501@:2.80626@:2.80626@:2.24501@:0@
:halfopenvertical@} [104]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:6.93004@:9.45001@:17.01@:6.93004@:0@:s
harp.arrowup@} [49]
@{char@:plus (stopped)@:105@:3.0869@:3.0869@:3.0869@:3.0869@:3.0869@:0@:stopped
@} [105]
@{char@:Upbow@:106@:3.64813@:3.64813@:0@:11.67407@:3.64813@:0@:upbow@} [106]
@{char@:Downbow@:107@:4.20938@:4.20938@:0@:7.4833@:4.20938@:0@:downbow@} [107]
@{char@:Arrowed Sharp (arrow down)@:50@:0.817@:6.93004@:17.01@:9.45001@:6.93004
@:0@:sharp.arrowdown@} [50]
@{char@:Reverse turn@:108@:6.13867@:6.13867@:2.97133@:2.97133@:6.13867@:0@:reve
rseturn@} [108]
@{char@:Turn@:109@:6.13867@:6.13867@:2.97133@:2.97133@:6.13867@:0@:turn@} [109]

@{char@:Arrowed Sharp (arrows up and down)@:51@:0.817@:6.93004@:17.01@:17.01@:6
.93004@:0@:sharp.arrowboth@} [51]
@{char@:1/2 Sharp@:52@:0@:4.40999@:9.45001@:9.45001@:4.40999@:0@:sharp.slashsla
sh.stem@} [52]@{char@:Trill (`tr')@:110@:4.77066@:4.77066@:0@:11.7862@:4.77066@:0@:trill@}
[110]
@{char@:left heel@:111@:2.80626@:2.80626@:2.80626@:3.74167@:2.80626@:0@:upedalh
eel@} [111]
@{char@:right heel@:112@:2.80626@:2.80626@:3.74167@:2.80626@:2.80626@:0@:dpedal
heel@} [112]
@{char@:left toe@:113@:2.80626@:2.80626@:0@:8.41876@:2.80626@:0@:upedaltoe@}
[113]
@{char@:Sharp (3 beams)@:53@:0@:6.93004@:9.45001@:9.45001@:6.93004@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:right toe@:114@:2.80626@:2.80626@:8.41876@:0@:2.80626@:0@:dpedaltoe@}
[114]
@{char@:Flageolet@:115@:2.99333@:2.99333@:2.99333@:2.99333@:2.99333@:0@:flageol
et@} [115]
@{char@:1/2 Sharp (3 beams)@:54@:0@:5.98499@:8.19002@:8.19002@:5.98499@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:Segno@:116@:5.6125@:5.6125@:8.41876@:8.41876@:5.6125@:0@:segno@} [116]
@{char@:Varied Segno@:117@:7.01564@:7.01564@:22.45001@:22.45001@:7.01564@:0@:va
rsegno@} [117]
@{char@:3/4 Sharp@:55@:0@:10.08005@:9.45001@:9.45001@:10.08005@:0@:sharp.slashs
lash.stemstemstem@} [55]Internal Error (overlap) in scripts.reverseturn: Fixup error 2 in MergeIntersections.
Internal Error (overlap) in scripts.reverseturn: Could not find finalm
@{char@:Coda@:118@:5.70609@:5.70609@:7.57692@:7.57692@:5.70609@:0@:coda@} [118]

@{char@:Natural@:56@:0@:4.2@:9.45001@:9.45001@:4.2@:0@:natural@} [56]Internal Error (overlap) in scripts.turn: Fixup error 2 in MergeIntersections.
Internal Error (overlap) in scripts.turn: Could not find finalm@{char@:Varied Coda@:119@:5.66586@:5.66586@:7.5367@:7.5367@:5.66586@:0@:varcoda
@} [119]
@{char@:Right Comma@:120@:0@:2.80626@:3.36754@:3.36754@:2.80626@:0@:rcomma@}
[120]
@{char@:Arrowed Natural (arrow up)@:57@:1.63399@:4.2@:9.45001@:17.01@:4.2@:0@:n
atural.arrowup@} [57]
@{char@:Left Comma@:121@:2.80626@:0@:3.36754@:3.36754@:0@:0@:lcomma@} [121]
@{char@:Right Varied Comma@:122@:1.40312@:1.40312@:3.36754@:3.36754@:1.40312@:0
@:rvarcomma@} [122]
@{char@:Arrowed Natural (arrow down)@:58@:0@:4.2@:17.01@:9.45001@:4.2@:0@:natur
al.arrowdown@} [58]
@{char@:Left Varied Comma@:123@:1.40312@:1.40312@:3.36754@:3.36754@:1.40312@:0@
:lvarcomma@} [123]
@{char@:Arpeggio@:124@:0@:4.49002@:0@:5.6125@:4.49002@:0@:arpeggio@} [124]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.63399@:4.2@:17.01@:17.01@:4
.2@:0@:natural.arrowboth@} [59]
@{char@:Trill_element@:125@:0@:5.6125@:0@:4.49002@:5.6125@:0@:trill_element@}
[125]
@{char@:Arpeggio arrow down@:126@:0@:4.49002@:0@:5.6125@:4.49002@:0@:arpeggio.a
rrow.M1@} [126]
@{char@:Flat@:60@:0.6536@:5.04002@:3.78004@:11.96997@:5.04002@:0@:flat@} [60]
@{char@:Arpeggio arrow up@:127@:0@:4.49002@:0@:5.6125@:4.49002@:0@:arpeggio.arr
ow.1@} [127]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:Arrowed Flat (arrow up)@:61@:1.87909@:5.04002@:3.78004@:17.01@:5.04002@
:0@:flat.arrowup@} [61]
@{char@:trilelement@:128@:2.33855@:2.33855@:2.80626@:2.80626@:2.33855@:0@:trile
lement@} [128]
@{char@:Arrowed Flat (arrow down)@:62@:1.87909@:5.04002@:13.86009@:11.96997@:5.
04002@:0@:flat.arrowdown@} [62]
@{char@:prall@:129@:4.67708@:4.67708@:2.80626@:2.80626@:4.67708@:0@:prall@}
[129]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.87909@:5.04002@:13.86009@:17.01
@:5.04002@:0@:flat.arrowboth@} [63]
@{char@:mordent@:130@:4.67708@:4.67708@:3.74167@:3.74167@:4.67708@:0@:mordent@}
[130]
@{char@:Flat (slashed)@:64@:2.51996@:5.04002@:3.78004@:11.96997@:5.04002@:0@:fl
at.slash@} [64]
@{char@:prallprall@:131@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:prallp
rall@} [131]
@{char@:Flat (slashed twice)@:65@:2.51996@:5.04002@:3.78004@:11.96997@:5.04002@
:0@:flat.slashslash@} [65]
@{char@:prallmordent@:132@:7.01563@:7.01563@:3.74167@:3.74167@:7.01563@:0@:pral
lmordent@} [132]
@{char@:Flatflat (mirrored)@:66@:0@:10.08005@:3.78004@:11.96997@:10.08005@:0@:m
irroredflat.flat@} [66]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta13.pt1 feta13.pfb"...

@{char@:Semi flat@:67@:0.6536@:5.04002@:3.78004@:11.96997@:5.04002@:0@:mirrored
flat@} [67]
@{char@:upprall@:133@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:upprall@}
[133]
@{char@:upmordent@:134@:7.01563@:7.01563@:3.74167@:3.74167@:7.01563@:0@:upmorde
nt@} [134]
@{char@:Semi flat@:68@:2.51996@:5.04002@:3.78004@:11.96997@:5.04002@:0@:mirrore
dflat.backslash@} [68]
@{char@:pralldown@:135@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:pralldo
wn@} [135]
@{char@:downprall@:136@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:downpra
ll@} [136]
@{char@:Double Flat@:69@:0.6536@:9.13498@:3.78004@:11.96997@:9.13498@:0@:flatfl
at@} [69]
@{char@:downmordent@:137@:7.01563@:7.01563@:3.74167@:3.74167@:7.01563@:0@:downm
ordent@} [137]
@{char@:prallup@:138@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:prallup@}
[138]
Invoking "fontforge -script feta13.pe feta13.pfb"...

@{char@:3/4 Flat@:70@:0.6536@:9.13498@:3.78004@:11.96997@:9.13498@:0@:flatflat.
slash@} [70]
@{char@:lineprall@:139@:7.01563@:7.01563@:2.80626@:11.22504@:7.01563@:0@:linepr
all@} [139])
@{char@:Double Sharp@:71@:0@:6.3@:3.15001@:3.15001@:6.3@:0@:doublesharp@} [71]
@{char@:Curved caesura@:140@:0@:11.225@:4.49002@:6.73499@:11.225@:0@:caesura.cu
rved@} [140]
@{char@:Right Parenthesis@:72@:0@:3.69467@:6.3@:6.3@:3.69467@:0@:rightparen@}
[72]
@{char@:Straight caesura@:141@:0@:11.225@:4.49002@:6.73499@:11.225@:0@:caesura.
straight@} [141]
@{char@:Left Parenthesis@:73@:3.69467@:0@:6.3@:6.3@:0@:0@:leftparen@} [73]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:Tick mark@:142@:3.36754@:6.1737@:0@:9.54124@:6.1737@:0@:tickmark@}
[142]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.99333@:2.99333@:2.99333@:4.49
@:2.99333@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{group@:arrowheads@}
@{char@:open@:74@:6.3@:0.43573@:3.15001@:3.15001@:0.43573@:0@:open.01@} [74]
@{char@:open@:75@:0.43573@:6.3@:3.15001@:3.15001@:6.3@:0@:open.0M1@} [75]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:15.22581@:11.225@:11.225@:15.22581@:0@:C@} [144]
@{char@:open@:76@:3.15001@:3.15001@:6.3@:0.43573@:3.15001@:0@:open.11@} [76]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:12.28493@:8.98004@:8.98004@:12.28493@:0@:C_change@}
[145]
@{char@:open@:77@:3.15001@:3.15001@:0.43573@:6.3@:3.15001@:0@:open.1M1@} [77]
@{char@:F clef @:146@:0@:15.06024@:14.03127@:5.6125@:15.06024@:0@:F@} [146]
@{char@:close@:78@:6.3@:0@:3.15001@:3.15001@:0@:0@:close.01@} [78]
@{char@:F clef (reduced)@:147@:0@:12.04825@:11.22505@:4.49002@:12.04825@:0@:F_c
hange@} [147]
@{char@:close@:79@:0@:6.3@:3.15001@:3.15001@:6.3@:0@:close.0M1@} [79]
@{char@:G clef@:148@:0@:14.39616@:14.3119@:26.94003@:14.39616@:0@:G@} [148]
@{char@:close@:80@:3.15001@:3.15001@:6.3@:0@:3.15001@:0@:close.11@} [80]
@{char@:close@:81@:3.15001@:3.15001@:0@:6.3@:3.15001@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{char@:G clef@:149@:0@:11.51698@:11.44957@:22.26418@:11.51698@:0@:G_change@}
[149]
@{group@:dots@}
@{char@:duration dot@:82@:0@:2.87767@:1.43884@:1.43884@:2.87767@:0@:dot@} [82]
@{puorg@:dots@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:percussion clef@:150@:-3.76036@:11.225@:5.6125@:5.6125@:11.225@:0@:perc
ussion@} [150]
@{group@:scripts@}
@{char@:fermata up@:83@:8.28351@:8.28351@:0.40851@:9.071@:8.28351@:0@:ufermata@
} [83]
@{char@:percussion clef (reduced)@:151@:-3.0083@:8.98004@:4.49002@:4.49002@:8.9
8004@:0@:percussion_change@} [151]
@{char@:fermata down@:84@:8.28351@:8.28351@:9.071@:0.40851@:8.28351@:0@:dfermat
a@} [84]
@{char@:short fermata up@:85@:6.3@:6.3@:0@:13.85999@:6.3@:0@:ushortfermata@}
[85]
@{char@:tab clef@:152@:-1.12248@:15.71503@:16.1641@:16.1641@:15.71503@:0@:tab@}
[152]
@{char@:short fermata down@:86@:6.3@:6.3@:13.85999@:0@:6.3@:0@:dshortfermata@}
[86]
@{char@:long fermata up@:87@:7.87502@:7.87502@:0@:9.45001@:7.87502@:0@:ulongfer
mata@} [87]
@{char@:tab clef (reduced)@:153@:-0.898@:12.57207@:12.93132@:12.93132@:12.57207
@:0@:tab_change@} [153]
@{puorg@:clefs@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:long fermata down@:88@:7.87502@:7.87502@:9.45001@:0@:7.87502@:0@:dlongf
ermata@} [88]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:9.58145@:5.6125@:5.6125@:9.58145@:0@:C44@} [154]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:very long fermata up@:89@:9.45001@:9.45001@:0@:10.08005@:9.45001@:0@:uv
erylongfermata@} [89]
@{char@:2/2 meter@:155@:0@:9.58145@:5.6125@:5.6125@:9.58145@:0@:C22@} [155]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:very long fermata down@:90@:9.45001@:9.45001@:10.08005@:0@:9.45001@:0@:
dverylongfermata@} [90]
@{char@:Thumb@:91@:2.52@:2.52@:5.04004@:3.15001@:2.52@:0@:thumb@} [91]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:8.73056@:0@:8.73056@:8.73056@:0@:*@} [156]
@{char@:> accent@:92@:5.66997@:5.66997@:3.15001@:3.15001@:5.66997@:0@:sforzato@
} [92]Failed to change locale.

@{char@:Pedal dash@:157@:0@:4.54573@:0@:6.41429@:4.54573@:0@:M@} [157]
@{char@:espr@:93@:11.96997@:11.96997@:3.15001@:3.15001@:11.96997@:0@:espr@}
[93]
@{char@:Pedal dot@:158@:0@:1.51524@:0@:1.51524@:1.51524@:0@:.@} [158]
@{char@:staccato dot@:94@:1.25998@:1.25998@:1.25998@:1.25998@:1.25998@:0@:stacc
ato@} [94]
@{char@:staccatissimo/martellato up@:95@:1.1747@:1.1747@:0.2@:6.21472@:1.1747@:
0@:ustaccatissimo@} [95]
@{char@:Pedal P@:159@:0@:9.35417@:0@:11.225@:9.35417@:0@:P@} [159]
@{char@:staccatissimo/martellato down@:96@:1.1747@:1.1747@:6.21472@:0.2@:1.1747
@:0@:dstaccatissimo@} [96]
@{char@:Pedal d@:160@:0@:7.48334@:0@:9.82188@:7.48334@:0@:d@} [160]
@{char@:portato/single tenuto@:97@:3.78004@:3.78004@:0.43573@:0.43573@:3.78004@
:0@:tenuto@} [97]
@{char@:Pedal e@:161@:0@:4.49@:0@:6.41429@:4.49@:0@:e@} [161]
@{char@:portato/tenuto with staccato@:98@:3.78004@:3.78004@:0.38127@:4.05562@:3
.78004@:0@:uportato@} [98]
@{char@:Pedal Ped@:162@:0@:17.91512@:0@:11.225@:17.91512@:0@:Ped@} [162]
@{puorg@:pedal@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:portato/tenuto with staccato@:99@:3.78004@:3.78004@:4.05562@:0.38127@:3
.78004@:0@:dportato@} [99]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:10.66373@:1.2628@:7.6779@:10.66373@:0@:up@}
[163]
@{char@:marcato up@:100@:3.15001@:3.15001@:0@:6.93004@:3.15001@:0@:umarcato@}
[100]
@{char@:bracket tip down@:164@:0@:10.66373@:7.6779@:1.2628@:10.66373@:0@:down@}
[164]
@{puorg@:brackettips@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:marcato down@:101@:3.15001@:3.15001@:6.93004@:0@:3.15001@:0@:dmarcato@}
[101]
@{group@:accordion@}
@{char@:accordion register discant@:165@:8.75746@:8.75746@:0.23709@:17.07462@:8
.75746@:0@:discant@} [165]
@{char@:open (unstopped)@:102@:2.52@:2.52@:3.15001@:3.15001@:2.52@:0@:open@}
[102]
@{char@:accordion register dot@:166@:1.40314@:1.40314@:1.40314@:1.40314@:1.4031
4@:0@:dot@} [166]
@{char@:halfopen (unstopped)@:103@:2.52@:2.52@:3.15001@:3.15001@:2.52@:0@:halfo
pen@} [103]
@{char@:accordion register freebass@:167@:5.9512@:5.9512@:0.23709@:11.4621@:5.9
512@:0@:freebass@} [167]
@{char@:halfopen vertical@:104@:2.52@:2.52@:3.15001@:3.15001@:2.52@:0@:halfopen
vertical@} [104]
@{char@:accordion register stdbass@:168@:11.5637@:11.5637@:0.23709@:22.6871@:11
.5637@:0@:stdbass@} [168]
@{char@:plus (stopped)@:105@:3.46503@:3.46503@:3.46503@:3.46503@:3.46503@:0@:st
opped@} [105]
@{char@:accordion register bayanbass@:169@:5.9512@:5.9512@:0.3387@:17.17621@:5.
9512@:0@:bayanbass@} [169]
@{char@:Upbow@:106@:4.09502@:4.09502@:0@:13.10408@:4.09502@:0@:upbow@} [106]
@{char@:Downbow@:107@:4.725@:4.725@:0@:8.39998@:4.725@:0@:downbow@} [107]
@{char@:Reverse turn@:108@:6.89063@:6.89063@:3.3353@:3.3353@:6.89063@:0@:revers
eturn@} [108]
@{char@:accordion oldEE@:170@:5.9512@:5.9512@:0@:11.69919@:5.9512@:0@:oldEE@}
[170]
@{char@:Turn@:109@:6.89063@:6.89063@:3.3353@:3.3353@:6.89063@:0@:turn@} [109]
@{char@:accordion push@:171@:5.1152@:0@:0@:12.78822@:0@:0@:push@} [171]
@{char@:accordion pull@:172@:4.31349@:0.80171@:0@:12.78822@:0.80171@:0@:pull@}
[172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:Trill (`tr')@:110@:5.35504@:5.35504@:0@:13.22993@:5.35504@:0@:trill@}
[110]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:3.55453@:0@:0@:0@:lyric.short@} [173]
@{char@:left heel@:111@:3.15001@:3.15001@:3.15001@:4.2@:3.15001@:0@:upedalheel@
} [111]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta20.pt1 feta20.pfb"...

@{char@:Default lyric tie@:174@:0@:0@:3.67924@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:22.45@}
@{parameter@:stafflinethickness@:0.52107@}
@{parameter@:staff_space@:5.6125@}
@{parameter@:linethickness@:0.52107@}
@{parameter@:black_notehead_width@:7.3881@}
@{parameter@:ledgerlinethickness@:1.04214@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:right heel@:112@:3.15001@:3.15001@:4.2@:3.15001@:3.15001@:0@:dpedalheel
@} [112]
(some charht values had to be adjusted by as much as 0.50517pt)
(some chardp values had to be adjusted by as much as 0.41699pt)
Font metrics written on feta23.tfm.
142 output files written: feta23.33 .. feta23.174
Transcript written on feta23.log.

@{char@:left toe@:113@:3.15001@:3.15001@:0@:9.45001@:3.15001@:0@:upedaltoe@}
[113]
@{char@:right toe@:114@:3.15001@:3.15001@:9.45001@:0@:3.15001@:0@:dpedaltoe@}
[114]
Invoking "fontforge -script feta20.pe feta20.pfb"...

@{char@:Flageolet@:115@:3.36@:3.36@:3.36@:3.36@:3.36@:0@:flageolet@} [115]Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (0.0635015,-58.6347)->(-182.282,-375.001). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-162.033,275.793)->(-0.0640036,58.6348). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-19.7205,163.566)->(-82.5272,231.383). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-103.009,375.001)->(39.585,227.545). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: Winding number did not return to 0 when x=-39.5852
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (0.0635015,-58.6347)->(-182.282,-375.001). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-162.033,275.793)->(-0.0640036,58.6348). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-19.7205,163.566)->(-82.5272,231.383). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-103.009,375.001)->(39.585,227.545). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: Winding number did not return to 0 when x=-39.5852
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (0.0635015,-58.6347)->(-182.282,-375.001). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-162.033,275.793)->(-0.0640036,58.6348). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-19.7205,163.566)->(-82.5272,231.383). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-103.009,375.001)->(39.585,227.545). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: Winding number did not return to 0 when x=-39.5852
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (0.0635015,-58.6347)->(-182.282,-375.001). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-162.033,275.793)->(-0.0640036,58.6348). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-19.7205,163.566)->(-82.5272,231.383). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-103.009,375.001)->(39.585,227.545). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: Winding number did not return to 0 when x=-39.5852
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (0.0635015,-58.6347)->(-182.282,-375.001). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-162.033,275.793)->(-0.0640036,58.6348). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-19.7205,163.566)->(-82.5272,231.383). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: monotonic is both needed and unneeded (-103.009,375.001)->(39.585,227.545). x=-39.5852 (prev=-32.4157)
Internal Error (overlap) in scripts.segno: Winding number did not return to 0 when x=-39.5852

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta18.pt1 feta18.pfb"...

@{char@:Segno@:116@:6.3@:6.3@:9.45001@:9.45001@:6.3@:0@:segno@} [116]
@{char@:Varied Segno@:117@:7.87502@:7.87502@:25.20001@:25.20001@:7.87502@:0@:va
rsegno@} [117]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta23
    font_weight:               Medium
    font_identifier:           feta22.45
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -45
    font_underline_thickness:  22
    font_name:                 feta23
    font_unique_id:            4735547
    font_size:                 22.3661270236613 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=44.7104677060134; bpppix 0.02; nonstopmode; input feta23.mf'"...

@{char@:Coda@:118@:6.40503@:6.40503@:8.50504@:8.50504@:6.40503@:0@:coda@} [118]

Invoking "fontforge -script feta18.pe feta18.pfb"...
@{char@:Varied Coda@:119@:6.31966@:6.31966@:8.41966@:8.41966@:6.31966@:0@:varco
da@} [119]
@{char@:Right Comma@:120@:0@:3.15001@:3.78004@:3.78004@:3.15001@:0@:rcomma@}
[120]
@{char@:Left Comma@:121@:3.15001@:0@:3.78004@:3.78004@:0@:0@:lcomma@} [121]
@{char@:Right Varied Comma@:122@:1.575@:1.575@:3.78004@:3.78004@:1.575@:0@:rvar
comma@} [122]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta14.pt1 feta14.pfb"...

@{char@:Left Varied Comma@:123@:1.575@:1.575@:3.78004@:3.78004@:1.575@:0@:lvarc
omma@} [123]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Arpeggio@:124@:0@:5.04002@:0@:6.3@:5.04002@:0@:arpeggio@} [124]
@{char@:Trill_element@:125@:0@:6.3@:0@:5.04002@:6.3@:0@:trill_element@} [125]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Arpeggio arrow down@:126@:0@:5.04002@:0@:6.3@:5.04002@:0@:arpeggio.arro
w.M1@} [126]
@{char@:Arpeggio arrow up@:127@:0@:5.04002@:0@:6.3@:5.04002@:0@:arpeggio.arrow.
1@} [127]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta23.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:trilelement@:128@:2.625@:2.625@:3.15001@:3.15001@:2.625@:0@:trilelement
@} [128] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
Invoking "fontforge -script feta14.pe feta14.pfb"...
)
@{char@:prall@:129@:5.25@:5.25@:3.15001@:3.15001@:5.25@:0@:prall@} [129]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:22.45@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{char@:mordent@:130@:5.25@:5.25@:4.2@:4.2@:5.25@:0@:mordent@} [130]
@{group@:rests@}
@{char@:whole rest@:33@:0@:8.41876@:3.50781@:0@:8.41876@:0@:0@} [33]
@{char@:half rest@:34@:0@:8.41876@:0@:3.50781@:8.41876@:0@:1@} [34]
@{char@:prallprall@:131@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:prallprall@}
[131]
@{char@:whole rest (outside staff)@:35@:0@:8.41876@:3.50781@:0.52107@:8.41876@:
0@:0o@} [35]
@{char@:half rest (outside staff)@:36@:0@:8.41876@:0.52107@:3.50781@:8.41876@:0
@:1o@} [36]
@{char@:maxima rest@:37@:0@:10.10252@:5.6125@:5.6125@:10.10252@:0@:M3@} [37]
@{char@:prallmordent@:132@:7.875@:7.875@:4.2@:4.2@:7.875@:0@:prallmordent@}
[132]
@{char@:longa rest@:38@:0@:3.36751@:5.6125@:5.6125@:3.36751@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:3.36751@:0@:5.6125@:3.36751@:0@:M1@} [39]
@{char@:upprall@:133@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:upprall@} [133]

@{char@:breve rest (outside staff)@:40@:0@:3.36751@:0.52107@:5.6125@:3.36751@:0
@:M1o@} [40]@{char@:upmordent@:134@:7.875@:7.875@:4.2@:4.2@:7.875@:0@:upmordent@} [134]
@{char@:Quarter rest@:41@:0@:5.33186@:7.01563@:8.76955@:5.33186@:0@:2@} [41]
@{char@:pralldown@:135@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:pralldown@}
[135]
@{char@:Classical quarter rest@:42@:0@:5.6125@:5.87305@:4.60226@:5.6125@:0@:2cl
assical@} [42]
@{char@:8th rest@:43@:0@:5.6125@:5.87305@:4.60226@:5.6125@:0@:3@} [43]
@{char@:downprall@:136@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:downprall@}
[136]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:16th rest@:44@:0@:6.73499@:11.48555@:4.60226@:6.73499@:0@:4@} [44]
@{char@:downmordent@:137@:7.875@:7.875@:4.2@:4.2@:7.875@:0@:downmordent@} [137]
@{char@:prallup@:138@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:prallup@} [138]

@{char@:32th rest@:45@:0@:7.29626@:11.48555@:10.21477@:7.29626@:0@:5@} [45]
@{char@:64th rest@:46@:0@:7.85747@:17.09805@:10.21477@:7.85747@:0@:6@} [46]@{char@:lineprall@:139@:7.875@:7.875@:3.15001@:12.60004@:7.875@:0@:lineprall@}
[139])Failed to change locale.

@{char@:128th rest@:47@:0@:8.41876@:17.09805@:15.82727@:8.41876@:0@:7@} [47]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:Curved caesura@:140@:0@:12.6@:5.04002@:7.55998@:12.6@:0@:caesura.curved
@} [140]Internal Error (overlap) in timesig.C44: Winding number did not return to 0 when x=415.356
Internal Error (overlap) in timesig.C44: Winding number did not return to 0 when x=415.356
Internal Error (overlap) in timesig.C44: Winding number did not return to 0 when x=415.356
Internal Error (overlap) in timesig.C44: monotonic is both needed and unneeded (415.355,112.499)->(415.355,112.499). x=415.356 (prev=359.183)
Internal Error (overlap) in timesig.C44: Winding number did not return to 0 when x=415.356

@{group@:accidentals@}
@{char@:Sharp@:48@:0@:6.17378@:8.41876@:8.41876@:6.17378@:0@:sharp@} [48]
@{char@:Straight caesura@:141@:0@:12.6@:5.04002@:7.55998@:12.6@:0@:caesura.stra
ight@} [141]Internal Error (overlap) in timesig.C22: Winding number did not return to 0 when x=415.356
Internal Error (overlap) in timesig.C22: Winding number did not return to 0 when x=415.356
Internal Error (overlap) in timesig.C22: Winding number did not return to 0 when x=415.356
Internal Error (overlap) in timesig.C22: monotonic is both needed and unneeded (415.355,112.499)->(415.355,112.499). x=415.356 (prev=359.183)
Internal Error (overlap) in timesig.C22: Winding number did not return to 0 when x=415.356

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta16.pt1 feta16.pfb"...

@{char@:Tick mark@:142@:3.78004@:6.92995@:0@:10.70999@:6.92995@:0@:tickmark@}
[142]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:6.17378@:8.41876@:15.15375@:6.17378@:0
@:sharp.arrowup@} [49]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:3.36@:3.36@:3.36@:5.04001@:3.36
@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:Arrowed Sharp (arrow down)@:50@:0.78162@:6.17378@:15.15375@:8.41876@:6.
17378@:0@:sharp.arrowdown@} [50]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:17.05064@:12.6@:12.6@:17.05064@:0@:C@} [144]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:13.74951@:10.08005@:10.08005@:13.74951@:0@:C_change@}
[145]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.78162@:6.17378@:15.15375@:15.
15375@:6.17378@:0@:sharp.arrowboth@} [51]
Invoking "fontforge -script feta16.pe feta16.pfb"...

@{char@:1/2 Sharp@:52@:0@:3.92874@:8.41876@:8.41876@:3.92874@:0@:sharp.slashsla
sh.stem@} [52]
@{char@:F clef @:146@:0@:16.90504@:15.75002@:6.3@:16.90504@:0@:F@} [146]
@{char@:F clef (reduced)@:147@:0@:13.5241@:12.60007@:5.04002@:13.5241@:0@:F_cha
nge@} [147]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Sharp (3 beams)@:53@:0@:6.17378@:8.41876@:8.41876@:6.17378@:0@:sharp.sl
ashslashslash.stemstem@} [53]
@{char@:G clef@:148@:0@:16.15962@:16.06503@:30.24004@:16.15962@:0@:G@} [148]
@{char@:1/2 Sharp (3 beams)@:54@:0@:5.33186@:7.29626@:7.29626@:5.33186@:0@:shar
p.slashslashslash.stem@} [54]
@{char@:G clef@:149@:0@:12.92775@:12.85208@:24.99141@:12.92775@:0@:G_change@}
[149]Failed to change locale.

@{char@:3/4 Sharp@:55@:0@:8.98004@:8.41876@:8.41876@:8.98004@:0@:sharp.slashsla
sh.stemstemstem@} [55]
@{char@:percussion clef@:150@:-4.221@:12.6@:6.3@:6.3@:12.6@:0@:percussion@}
[150]
@{char@:percussion clef (reduced)@:151@:-3.3768@:10.08005@:5.04002@:5.04002@:10
.08005@:0@:percussion_change@} [151]
@{char@:Natural@:56@:0@:3.74167@:8.41876@:8.41876@:3.74167@:0@:natural@} [56]
@{char@:Arrowed Natural (arrow up)@:57@:1.56322@:3.74167@:8.41876@:15.15375@:3.
74167@:0@:natural.arrowup@} [57]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:tab clef@:152@:-1.25998@:17.64003@:18.14412@:18.14412@:17.64003@:0@:tab
@} [152]
@{char@:Arrowed Natural (arrow down)@:58@:0@:3.74167@:15.15375@:8.41876@:3.7416
7@:0@:natural.arrowdown@} [58]
@{char@:tab clef (reduced)@:153@:-1.008@:14.11208@:14.51534@:14.51534@:14.11208
@:0@:tab_change@} [153]
@{puorg@:clefs@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:Arrowed Natural (arrows up and down)@:59@:1.56322@:3.74167@:15.15375@:1
5.15375@:3.74167@:0@:natural.arrowboth@} [59]Internal Error (overlap) in scripts.reverseturn: Fixup error 2 in MergeIntersections.
Internal Error (overlap) in scripts.reverseturn: Could not find finalmInternal Error (overlap) in scripts.turn: Fixup error 2 in MergeIntersections.
Internal Error (overlap) in scripts.turn: Could not find finalm
@{char@:Flat@:60@:0.62529@:4.49002@:3.36754@:10.66373@:4.49002@:0@:flat@} [60]Failed to change locale.
@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:10.79536@:6.3@:6.3@:10.79536@:0@:C44@} [154]Internal Error (overlap) in arrowheads.open.01: Winding number did not return to 0 when y=21.6069
Internal Error (overlap) in arrowheads.open.01: couldn't find a needed exit from an intersection
Internal Error (overlap) in arrowheads.open.01: Humph. This monotonic leads nowhere (-0,-21.6113)->(-212.154,-117.651).
Internal Error (overlap) in arrowheads.open.01: couldn't find a needed exit from an intersection
Internal Error (overlap) in arrowheads.open.0M1: monotonic is both needed and unneeded (116.632,-0.00146484)->(0.000976563,21.6064). y=21.6069 (prev=58.3167)
Internal Error (overlap) in arrowheads.open.0M1: monotonic is both needed and unneeded (116.632,-0.00146484)->(244.629,89.1318). y=21.6069 (prev=58.3167)
Internal Error (overlap) in arrowheads.open.0M1: Winding number did not return to 0 when y=21.6069
Internal Error (overlap) in arrowheads.open.0M1: Humph. This monotonic leads nowhere (-21.6077,-0.000488281)->(-21.6077,-0.00143464).
Internal Error (overlap) in arrowheads.open.0M1: couldn't find a needed exit from an intersection
Internal Error (overlap) in arrowheads.open.11: Winding number did not return to 0 when x=-21.6069
Internal Error (overlap) in arrowheads.open.11: couldn't find a needed exit from an intersection
Internal Error (overlap) in arrowheads.open.11: Humph. This monotonic leads nowhere (21.6113,-0.000976562)->(117.651,-212.155).
Internal Error (overlap) in arrowheads.open.11: couldn't find a needed exit from an intersection

@{char@:Arrowed Flat (arrow up)@:61@:1.7977@:4.49002@:3.36754@:15.15375@:4.4900
2@:0@:flat.arrowup@} [61]Internal Error (overlap) in arrowheads.open.1M1: monotonic is both needed and unneeded (0.00146484,116.632)->(-21.6064,0.000976563). x=-21.6069 (prev=58.3167)
Internal Error (overlap) in arrowheads.open.1M1: monotonic is both needed and unneeded (0.00146484,116.632)->(-89.1318,244.629). x=-21.6069 (prev=58.3167)
Internal Error (overlap) in arrowheads.open.1M1: Winding number did not return to 0 when x=-21.6069
Internal Error (overlap) in arrowheads.open.1M1: Humph. This monotonic leads nowhere (0.000488281,-21.6077)->(0.00143464,-21.6077).
Internal Error (overlap) in arrowheads.open.1M1: couldn't find a needed exit from an intersection

@{char@:2/2 meter@:155@:0@:10.79536@:6.3@:6.3@:10.79536@:0@:C22@} [155]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:Arrowed Flat (arrow down)@:62@:1.7977@:4.49002@:12.34758@:10.66373@:4.4
9002@:0@:flat.arrowdown@} [62]Failed to change locale.

@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:9.8@:0@:9.8@:9.8@:0@:*@} [156]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.7977@:4.49002@:12.34758@:15.153
75@:4.49002@:0@:flat.arrowboth@} [63]
@{char@:Pedal dash@:157@:0@:4.93355@:0@:7.2@:4.93355@:0@:M@} [157]
@{char@:Pedal dot@:158@:0@:1.64452@:0@:1.64452@:1.64452@:0@:.@} [158]
@{char@:Flat (slashed)@:64@:2.24496@:4.49002@:3.36754@:10.66373@:4.49002@:0@:fl
at.slash@} [64]
@{char@:Pedal P@:159@:0@:10.5@:0@:12.6@:10.5@:0@:P@} [159]
@{char@:Pedal d@:160@:0@:8.40001@:0@:11.02501@:8.40001@:0@:d@} [160]
@{char@:Flat (slashed twice)@:65@:2.24496@:4.49002@:3.36754@:10.66373@:4.49002@
:0@:flat.slashslash@} [65]
@{char@:Pedal e@:161@:0@:5.04001@:0@:7.2@:5.04001@:0@:e@} [161]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Flatflat (mirrored)@:66@:0@:8.98004@:3.36754@:10.66373@:8.98004@:0@:mir
roredflat.flat@} [66]
@{char@:Pedal Ped@:162@:0@:20.1096@:0@:12.6@:20.1096@:0@:Ped@} [162]
@{puorg@:pedal@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:Semi flat@:67@:0.62529@:4.49002@:3.36754@:10.66373@:4.49002@:0@:mirrore
dflat@} [67]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:11.96997@:1.4175@:8.6184@:11.96997@:0@:up@}
[163]
@{char@:bracket tip down@:164@:0@:11.96997@:8.6184@:1.4175@:11.96997@:0@:down@}
[164]
@{puorg@:brackettips@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
*** Successfully generated feta11.pfb! ***

@{char@:Semi flat@:68@:2.24496@:4.49002@:3.36754@:10.66373@:4.49002@:0@:mirrore
dflat.backslash@} [68]Failed to change locale.

@{group@:accordion@}
@{char@:accordion register discant@:165@:9.80405@:9.80405@:0.24783@:19.14786@:9
.80405@:0@:discant@} [165]
@{char@:accordion register dot@:166@:1.57501@:1.57501@:1.57501@:1.57501@:1.5750
1@:0@:dot@} [166]
@{char@:Double Flat@:69@:0.62529@:8.1381@:3.36754@:10.66373@:8.1381@:0@:flatfla
t@} [69]
@{char@:3/4 Flat@:70@:0.62529@:8.1381@:3.36754@:10.66373@:8.1381@:0@:flatflat.s
lash@} [70]
@{char@:accordion register freebass@:167@:6.65404@:6.65404@:0.24783@:12.84784@:
6.65404@:0@:freebass@} [167]
@{char@:Double Sharp@:71@:0@:5.6125@:2.80626@:2.80626@:5.6125@:0@:doublesharp@}
[71]
@{char@:accordion register stdbass@:168@:12.95404@:12.95404@:0.24783@:25.44785@
:12.95404@:0@:stdbass@} [168]
@{char@:Right Parenthesis@:72@:0@:3.32733@:5.6125@:5.6125@:3.32733@:0@:rightpar
en@} [72]
@{char@:Left Parenthesis@:73@:3.32733@:0@:5.6125@:5.6125@:0@:0@:leftparen@}
[73]( echo ./out/feta-braces-a.pfb:  > out/feta-braces-a.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-braces-a.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \

@{puorg@:accidentals@}
)	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-braces-a --fullname=feta-braces-a --name=feta-braces-a feta-braces-a.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:accordion register bayanbass@:169@:6.65404@:6.65404@:0.35403@:19.25404@
:6.65404@:0@:bayanbass@} [169]
@{group@:arrowheads@}
@{char@:open@:74@:5.6125@:0.41687@:2.80626@:2.80626@:0.41687@:0@:open.01@}
[74]
@{char@:open@:75@:0.41687@:5.6125@:2.80626@:2.80626@:5.6125@:0@:open.0M1@}
[75]
@{char@:open@:76@:2.80626@:2.80626@:5.6125@:0.41687@:2.80626@:0@:open.11@}
[76]
@{char@:open@:77@:2.80626@:2.80626@:0.41687@:5.6125@:2.80626@:0@:open.1M1@}
[77]
@{char@:close@:78@:5.6125@:0@:2.80626@:2.80626@:0@:0@:close.01@} [78]
@{char@:close@:79@:0@:5.6125@:2.80626@:2.80626@:5.6125@:0@:close.0M1@} [79]
@{char@:accordion oldEE@:170@:6.65404@:6.65404@:0@:13.09566@:6.65404@:0@:oldEE@
} [170]
@{char@:close@:80@:2.80626@:2.80626@:5.6125@:0@:2.80626@:0@:close.11@} [80]
@{char@:accordion push@:171@:5.69351@:0@:0@:14.234@:0@:0@:push@} [171]
@{char@:close@:81@:2.80626@:2.80626@:0@:5.6125@:2.80626@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf
@{char@:accordion pull@:172@:4.83383@:0.85968@:0@:14.234@:0.85968@:0@:pull@}
[172]
@{puorg@:accordion@}
)
@{group@:dots@}
@{char@:duration dot@:82@:0@:2.54572@:1.27286@:1.27286@:2.54572@:0@:dot@} [82]
@{puorg@:dots@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{group@:scripts@}
@{char@:fermata up@:83@:7.40643@:7.40643@:0.39081@:8.108@:7.40643@:0@:ufermata@
} [83] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:fermata down@:84@:7.40643@:7.40643@:8.108@:0.39081@:7.40643@:0@:dfermat
a@} [84]
@{char@:short fermata up@:85@:5.6125@:5.6125@:0@:12.34749@:5.6125@:0@:ushortfer
mata@} [85]
@{char@:short fermata down@:86@:5.6125@:5.6125@:12.34749@:0@:5.6125@:0@:dshortf
ermata@} [86]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:3.98994@:0@:0@:0@:lyric.short@} [173]
@{char@:Default lyric tie@:174@:0@:0@:4.12993@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:25.2@}
@{parameter@:stafflinethickness@:0.54466@}
@{parameter@:staff_space@:6.3@}
@{parameter@:linethickness@:0.54466@}
@{parameter@:black_notehead_width@:8.29259@}
@{parameter@:ledgerlinethickness@:1.08932@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.55496pt)
(some chardp values had to be adjusted by as much as 0.45506pt)
Font metrics written on feta26.tfm.
142 output files written: feta26.33 .. feta26.174
Transcript written on feta26.log.

@{char@:long fermata up@:87@:7.01564@:7.01564@:0@:8.41876@:7.01564@:0@:ulongfer
mata@} [87]
@{char@:long fermata down@:88@:7.01564@:7.01564@:8.41876@:0@:7.01564@:0@:dlongf
ermata@} [88]
@{char@:very long fermata up@:89@:8.41876@:8.41876@:0@:8.98004@:8.41876@:0@:uve
rylongfermata@} [89]
@{char@:very long fermata down@:90@:8.41876@:8.41876@:8.98004@:0@:8.41876@:0@:d
verylongfermata@} [90]
@{char@:Thumb@:91@:2.24501@:2.24501@:4.49004@:2.80626@:2.24501@:0@:thumb@}
[91]
@{char@:> accent@:92@:5.05122@:5.05122@:2.80626@:2.80626@:5.05122@:0@:sforzato@
} [92]
@{char@:espr@:93@:10.66373@:10.66373@:2.80626@:2.80626@:10.66373@:0@:espr@}
[93]
@{char@:staccato dot@:94@:1.12248@:1.12248@:1.12248@:1.12248@:1.12248@:0@:stacc
ato@} [94]
@{char@:staccatissimo/martellato up@:95@:1.08235@:1.08235@:0.2@:5.57237@:1.0823
5@:0@:ustaccatissimo@} [95]
@{char@:staccatissimo/martellato down@:96@:1.08235@:1.08235@:5.57237@:0.2@:1.08
235@:0@:dstaccatissimo@} [96]
@{char@:portato/single tenuto@:97@:3.36754@:3.36754@:0.41687@:0.41687@:3.36754@
:0@:tenuto@} [97]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta26
    font_weight:               Medium
    font_identifier:           feta25.2
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -40
    font_underline_thickness:  20
    font_name:                 feta26
    font_unique_id:            4752700
    font_size:                 25.1058530510585 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=39.8313492063492; bpppix 0.02; nonstopmode; input feta26.mf'"...

@{char@:portato/tenuto with staccato@:98@:3.36754@:3.36754@:0.36475@:3.65605@:3
.36754@:0@:uportato@} [98]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
Internal Error (overlap) in timesig.C44: Winding number did not return to 0 when x=418.191
Internal Error (overlap) in timesig.C44: Winding number did not return to 0 when x=418.191
Internal Error (overlap) in timesig.C44: Winding number did not return to 0 when x=418.191
Internal Error (overlap) in timesig.C44: monotonic is both needed and unneeded (418.19,112.499)->(418.19,112.499). x=418.191 (prev=362.319)
Internal Error (overlap) in timesig.C44: Winding number did not return to 0 when x=418.191
Internal Error (overlap) in timesig.C22: Winding number did not return to 0 when x=418.191
Internal Error (overlap) in timesig.C22: Winding number did not return to 0 when x=418.191
Internal Error (overlap) in timesig.C22: Winding number did not return to 0 when x=418.191
Internal Error (overlap) in timesig.C22: monotonic is both needed and unneeded (418.19,112.499)->(418.19,112.499). x=418.191 (prev=362.319)
Internal Error (overlap) in timesig.C22: Winding number did not return to 0 when x=418.191

@{char@:portato/tenuto with staccato@:99@:3.36754@:3.36754@:3.65605@:0.36475@:3
.36754@:0@:dportato@} [99](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:marcato up@:100@:2.80626@:2.80626@:0@:6.17378@:2.80626@:0@:umarcato@}
[100]
@{char@:marcato down@:101@:2.80626@:2.80626@:6.17378@:0@:2.80626@:0@:dmarcato@}
[101]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)Internal Error (overlap) in clefs.G: monotonic is both needed and unneeded (350.004,1194.21)->(363.013,1189.42). y=1190.08 (prev=370.968)

@{char@:open (unstopped)@:102@:2.24501@:2.24501@:2.80626@:2.80626@:2.24501@:0@:
open@} [102]Internal Error (overlap) in clefs.G: Winding number did not return to 0 when y=1190.08
Internal Error (overlap) in clefs.G: monotonic is both needed and unneeded (350.004,1194.21)->(363.013,1189.42). y=1190.08 (prev=370.968)
Internal Error (overlap) in clefs.G: Winding number did not return to 0 when y=1190.08
Internal Error (overlap) in clefs.G: monotonic is both needed and unneeded (350.004,1194.21)->(363.013,1189.42). y=1190.08 (prev=370.968)
Internal Error (overlap) in clefs.G: Winding number did not return to 0 when y=1190.08
)
@{char@:halfopen (unstopped)@:103@:2.24501@:2.24501@:2.80626@:2.80626@:2.24501@
:0@:halfopen@} [103]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta26.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-generic.mf
@{char@:halfopen vertical@:104@:2.24501@:2.24501@:2.80626@:2.80626@:2.24501@:0@
:halfopenvertical@} [104]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:plus (stopped)@:105@:3.0869@:3.0869@:3.0869@:3.0869@:3.0869@:0@:stopped
@} [105])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Upbow@:106@:3.64813@:3.64813@:0@:11.67407@:3.64813@:0@:upbow@} [106]
@{char@:Downbow@:107@:4.20938@:4.20938@:0@:7.4833@:4.20938@:0@:downbow@} [107])
@{font@:GNU@:LilyPond@:feta@:25.2@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-rests.mf
@{char@:Reverse turn@:108@:6.13867@:6.13867@:2.97133@:2.97133@:6.13867@:0@:reve
rseturn@} [108]
@{group@:rests@}
@{char@:whole rest@:33@:0@:9.45001@:3.9375@:0@:9.45001@:0@:0@} [33]
@{char@:half rest@:34@:0@:9.45001@:0@:3.9375@:9.45001@:0@:1@} [34]
@{char@:Turn@:109@:6.13867@:6.13867@:2.97133@:2.97133@:6.13867@:0@:turn@} [109]

@{char@:whole rest (outside staff)@:35@:0@:9.45001@:3.9375@:0.54466@:9.45001@:0
@:0o@} [35]
@{char@:half rest (outside staff)@:36@:0@:9.45001@:0.54466@:3.9375@:9.45001@:0@
:1o@} [36]@{char@:Trill (`tr')@:110@:4.77066@:4.77066@:0@:11.7862@:4.77066@:0@:trill@}
[110]
@{char@:maxima rest@:37@:0@:11.34@:6.3@:6.3@:11.34@:0@:M3@} [37]
@{char@:left heel@:111@:2.80626@:2.80626@:2.80626@:3.74167@:2.80626@:0@:upedalh
eel@} [111]
@{char@:right heel@:112@:2.80626@:2.80626@:3.74167@:2.80626@:2.80626@:0@:dpedal
heel@} [112]
@{char@:longa rest@:38@:0@:3.78@:6.3@:6.3@:3.78@:0@:M2@} [38]
@{char@:breve rest@:39@:0@:3.78@:0@:6.3@:3.78@:0@:M1@} [39]
@{char@:left toe@:113@:2.80626@:2.80626@:0@:8.41876@:2.80626@:0@:upedaltoe@}
[113]
@{char@:right toe@:114@:2.80626@:2.80626@:8.41876@:0@:2.80626@:0@:dpedaltoe@}
[114]
@{char@:breve rest (outside staff)@:40@:0@:3.78@:0.54466@:6.3@:3.78@:0@:M1o@}
[40]
@{char@:Flageolet@:115@:2.99333@:2.99333@:2.99333@:2.99333@:2.99333@:0@:flageol
et@} [115]
@{char@:Quarter rest@:41@:0@:5.98499@:7.875@:9.84377@:5.98499@:0@:2@} [41]
@{char@:Segno@:116@:5.6125@:5.6125@:8.41876@:8.41876@:5.6125@:0@:segno@} [116]
@{char@:Classical quarter rest@:42@:0@:6.3@:6.57234@:5.16602@:6.3@:0@:2classica
l@} [42]
@{char@:8th rest@:43@:0@:6.3@:6.57234@:5.16602@:6.3@:0@:3@} [43]
@{char@:Varied Segno@:117@:7.01564@:7.01564@:22.45001@:22.45001@:7.01564@:0@:va
rsegno@} [117]
@{char@:16th rest@:44@:0@:7.55998@:12.87234@:5.16602@:7.55998@:0@:4@} [44]
@{char@:Coda@:118@:5.70609@:5.70609@:7.57692@:7.57692@:5.70609@:0@:coda@} [118]

@{char@:32th rest@:45@:0@:8.19002@:12.87234@:11.46602@:8.19002@:0@:5@} [45]
@{char@:64th rest@:46@:0@:8.81996@:19.17235@:11.46602@:8.81996@:0@:6@} [46]
@{char@:128th rest@:47@:0@:9.45001@:19.17235@:17.76602@:9.45001@:0@:7@} [47]
@{puorg@:rests@}
)@{char@:Varied Coda@:119@:5.66586@:5.66586@:7.5367@:7.5367@:5.66586@:0@:varcoda
@} [119] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accidentals.mf
@{char@:Right Comma@:120@:0@:2.80626@:3.36754@:3.36754@:2.80626@:0@:rcomma@}
[120]
@{char@:Left Comma@:121@:2.80626@:0@:3.36754@:3.36754@:0@:0@:lcomma@} [121]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-braces-a.mf'"...

@{group@:accidentals@}
@{char@:Sharp@:48@:0@:6.93004@:9.45001@:9.45001@:6.93004@:0@:sharp@} [48]
@{char@:Right Varied Comma@:122@:1.40312@:1.40312@:3.36754@:3.36754@:1.40312@:0
@:rvarcomma@} [122]
@{char@:Left Varied Comma@:123@:1.40312@:1.40312@:3.36754@:3.36754@:1.40312@:0@
:lvarcomma@} [123]
@{char@:Arpeggio@:124@:0@:4.49002@:0@:5.6125@:4.49002@:0@:arpeggio@} [124]
@{char@:Arrowed Sharp (arrow up)@:49@:0@:6.93004@:9.45001@:17.01@:6.93004@:0@:s
harp.arrowup@} [49]
@{char@:Trill_element@:125@:0@:5.6125@:0@:4.49002@:5.6125@:0@:trill_element@}
[125]
@{char@:Arpeggio arrow down@:126@:0@:4.49002@:0@:5.6125@:4.49002@:0@:arpeggio.a
rrow.M1@} [126]
@{char@:Arrowed Sharp (arrow down)@:50@:0.817@:6.93004@:17.01@:9.45001@:6.93004
@:0@:sharp.arrowdown@} [50]
@{char@:Arpeggio arrow up@:127@:0@:4.49002@:0@:5.6125@:4.49002@:0@:arpeggio.arr
ow.1@} [127]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:trilelement@:128@:2.33855@:2.33855@:2.80626@:2.80626@:2.33855@:0@:trile
lement@} [128]
@{char@:Arrowed Sharp (arrows up and down)@:51@:0.817@:6.93004@:17.01@:17.01@:6
.93004@:0@:sharp.arrowboth@} [51]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:prall@:129@:4.67708@:4.67708@:2.80626@:2.80626@:4.67708@:0@:prall@}
[129](./mf2pt1.mp
@{char@:1/2 Sharp@:52@:0@:4.40999@:9.45001@:9.45001@:4.40999@:0@:sharp.slashsla
sh.stem@} [52] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:mordent@:130@:4.67708@:4.67708@:3.74167@:3.74167@:4.67708@:0@:mordent@}
[130]
@{char@:Sharp (3 beams)@:53@:0@:6.93004@:9.45001@:9.45001@:6.93004@:0@:sharp.sl
ashslashslash.stemstem@} [53]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:prallprall@:131@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:prallp
rall@} [131]
@{char@:1/2 Sharp (3 beams)@:54@:0@:5.98499@:8.19002@:8.19002@:5.98499@:0@:shar
p.slashslashslash.stem@} [54])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-a.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:3/4 Sharp@:55@:0@:10.08005@:9.45001@:9.45001@:10.08005@:0@:sharp.slashs
lash.stemstemstem@} [55]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:prallmordent@:132@:7.01563@:7.01563@:3.74167@:3.74167@:7.01563@:0@:pral
lmordent@} [132]
@{char@:Natural@:56@:0@:4.2@:9.45001@:9.45001@:4.2@:0@:natural@} [56])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Arrowed Natural (arrow up)@:57@:1.63399@:4.2@:9.45001@:17.01@:4.2@:0@:n
atural.arrowup@} [57])
@{char@:upprall@:133@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:upprall@}
[133]
@{char@:upmordent@:134@:7.01563@:7.01563@:3.74167@:3.74167@:7.01563@:0@:upmorde
nt@} [134]
@{char@:Arrowed Natural (arrow down)@:58@:0@:4.2@:17.01@:9.45001@:4.2@:0@:natur
al.arrowdown@} [58]
@{font@:GNU@:LilyPond@:feta-braces-a@:20@:fetaBraces@}
@{char@:brace number 0@:65@:2.32877@:0@:5.25@:5.25@:0@:0@:brace0@} [65]
@{char@:pralldown@:135@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:pralldo
wn@} [135]
@{char@:brace number 1@:66@:2.3359@:0@:5.36644@:5.36644@:0@:0@:brace1@} [66]
@{char@:Arrowed Natural (arrows up and down)@:59@:1.63399@:4.2@:17.01@:17.01@:4
.2@:0@:natural.arrowboth@} [59]
@{char@:brace number 2@:67@:2.34332@:0@:5.48325@:5.48325@:0@:0@:brace2@} [67]
@{char@:brace number 3@:68@:2.35074@:0@:5.6004@:5.6004@:0@:0@:brace3@} [68]
@{char@:downprall@:136@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:downpra
ll@} [136]
@{char@:Flat@:60@:0.6536@:5.04002@:3.78004@:11.96997@:5.04002@:0@:flat@} [60]
@{char@:downmordent@:137@:7.01563@:7.01563@:3.74167@:3.74167@:7.01563@:0@:downm
ordent@} [137]
@{char@:prallup@:138@:7.01563@:7.01563@:2.80626@:2.80626@:7.01563@:0@:prallup@}
[138]
@{char@:Arrowed Flat (arrow up)@:61@:1.87909@:5.04002@:3.78004@:17.01@:5.04002@
:0@:flat.arrowup@} [61]
@{char@:lineprall@:139@:7.01563@:7.01563@:2.80626@:11.22504@:7.01563@:0@:linepr
all@} [139])
@{char@:Arrowed Flat (arrow down)@:62@:1.87909@:5.04002@:13.86009@:11.96997@:5.
04002@:0@:flat.arrowdown@} [62]
@{char@:brace number 4@:69@:2.35788@:0@:5.71794@:5.71794@:0@:0@:brace4@} [69]
@{char@:Curved caesura@:140@:0@:11.225@:4.49002@:6.73499@:11.225@:0@:caesura.cu
rved@} [140]
@{char@:brace number 5@:70@:2.3653@:0@:5.83585@:5.83585@:0@:0@:brace5@} [70]
@{char@:Straight caesura@:141@:0@:11.225@:4.49002@:6.73499@:11.225@:0@:caesura.
straight@} [141]
@{char@:Arrowed Flat (arrow up and down)@:63@:1.87909@:5.04002@:13.86009@:17.01
@:5.04002@:0@:flat.arrowboth@} [63]
@{char@:brace number 6@:71@:2.37271@:0@:5.9541@:5.9541@:0@:0@:brace6@} [71]
@{char@:Tick mark@:142@:3.36754@:6.1737@:0@:9.54124@:6.1737@:0@:tickmark@}
[142]
@{char@:brace number 7@:72@:2.38013@:0@:6.07274@:6.07274@:0@:0@:brace7@} [72]
@{char@:snap pizzicato (Bartok pizzicato)@:143@:2.99333@:2.99333@:2.99333@:4.49
@:2.99333@:0@:snappizzicato@} [143]
@{puorg@:scripts@}
)
@{char@:Flat (slashed)@:64@:2.51996@:5.04002@:3.78004@:11.96997@:5.04002@:0@:fl
at.slash@} [64] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf
@{char@:brace number 8@:73@:2.38754@:0@:6.19174@:6.19174@:0@:0@:brace8@} [73]
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:15.22581@:11.225@:11.225@:15.22581@:0@:C@} [144]
@{char@:Flat (slashed twice)@:65@:2.51996@:5.04002@:3.78004@:11.96997@:5.04002@
:0@:flat.slashslash@} [65]
@{char@:brace number 9@:74@:2.39523@:0@:6.31113@:6.31113@:0@:0@:brace9@} [74]
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:12.28493@:8.98004@:8.98004@:12.28493@:0@:C_change@}
[145]
@{char@:brace number 10@:75@:2.40265@:0@:6.43088@:6.43088@:0@:0@:brace10@}
[75]
@{char@:Flatflat (mirrored)@:66@:0@:10.08005@:3.78004@:11.96997@:10.08005@:0@:m
irroredflat.flat@} [66]
@{char@:Semi flat@:67@:0.6536@:5.04002@:3.78004@:11.96997@:5.04002@:0@:mirrored
flat@} [67]
@{char@:F clef @:146@:0@:15.06024@:14.03127@:5.6125@:15.06024@:0@:F@} [146]
@{char@:Semi flat@:68@:2.51996@:5.04002@:3.78004@:11.96997@:5.04002@:0@:mirrore
dflat.backslash@} [68]
@{char@:brace number 11@:76@:2.41006@:0@:6.55101@:6.55101@:0@:0@:brace11@}
[76]
@{char@:F clef (reduced)@:147@:0@:12.04825@:11.22505@:4.49002@:12.04825@:0@:F_c
hange@} [147]
@{char@:brace number 12@:77@:2.41776@:0@:6.67152@:6.67152@:0@:0@:brace12@}
[77]
@{char@:Double Flat@:69@:0.6536@:9.13498@:3.78004@:11.96997@:9.13498@:0@:flatfl
at@} [69]
@{char@:brace number 13@:78@:2.42517@:0@:6.7924@:6.7924@:0@:0@:brace13@} [78]
@{char@:G clef@:148@:0@:14.39616@:14.3119@:26.94003@:14.39616@:0@:G@} [148]
@{char@:brace number 14@:79@:2.43286@:0@:6.91367@:6.91367@:0@:0@:brace14@}
[79]
@{char@:3/4 Flat@:70@:0.6536@:9.13498@:3.78004@:11.96997@:9.13498@:0@:flatflat.
slash@} [70]
@{char@:G clef@:149@:0@:11.51698@:11.44957@:22.26418@:11.51698@:0@:G_change@}
[149]
@{char@:brace number 15@:80@:2.44055@:0@:7.03531@:7.03531@:0@:0@:brace15@}
[80]
@{char@:Double Sharp@:71@:0@:6.3@:3.15001@:3.15001@:6.3@:0@:doublesharp@} [71]
@{char@:percussion clef@:150@:-3.76036@:11.225@:5.6125@:5.6125@:11.225@:0@:perc
ussion@} [150]
@{char@:Right Parenthesis@:72@:0@:3.69467@:6.3@:6.3@:3.69467@:0@:rightparen@}
[72]
@{char@:Left Parenthesis@:73@:3.69467@:0@:6.3@:6.3@:0@:0@:leftparen@} [73]
@{puorg@:accidentals@}
)
@{char@:percussion clef (reduced)@:151@:-3.0083@:8.98004@:4.49002@:4.49002@:8.9
8004@:0@:percussion_change@} [151] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-arrowheads.mf
@{char@:brace number 16@:81@:2.44824@:0@:7.15733@:7.15733@:0@:0@:brace16@}
[81]
@{group@:arrowheads@}
@{char@:open@:74@:6.3@:0.43573@:3.15001@:3.15001@:0.43573@:0@:open.01@} [74]
@{char@:open@:75@:0.43573@:6.3@:3.15001@:3.15001@:6.3@:0@:open.0M1@} [75]
@{char@:brace number 17@:82@:2.45566@:0@:7.27975@:7.27975@:0@:0@:brace17@}
[82]
@{char@:open@:76@:3.15001@:3.15001@:6.3@:0.43573@:3.15001@:0@:open.11@} [76]
@{char@:tab clef@:152@:-1.12248@:15.71503@:16.1641@:16.1641@:15.71503@:0@:tab@}
[152]
@{char@:open@:77@:3.15001@:3.15001@:0.43573@:6.3@:3.15001@:0@:open.1M1@} [77]
@{char@:brace number 18@:83@:2.46335@:0@:7.40253@:7.40253@:0@:0@:brace18@}
[83]
@{char@:close@:78@:6.3@:0@:3.15001@:3.15001@:0@:0@:close.01@} [78]
@{char@:brace number 19@:84@:2.47104@:0@:7.5257@:7.5257@:0@:0@:brace19@} [84]
@{char@:close@:79@:0@:6.3@:3.15001@:3.15001@:6.3@:0@:close.0M1@} [79]
@{char@:close@:80@:3.15001@:3.15001@:6.3@:0@:3.15001@:0@:close.11@} [80]
@{char@:tab clef (reduced)@:153@:-0.898@:12.57207@:12.93132@:12.93132@:12.57207
@:0@:tab_change@} [153]
@{char@:brace number 20@:85@:2.479@:0@:7.64925@:7.64925@:0@:0@:brace20@} [85]
@{puorg@:clefs@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:close@:81@:3.15001@:3.15001@:0@:6.3@:3.15001@:0@:close.1M1@} [81]
@{puorg@:arrowheads@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dots.mf@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:9.58145@:5.6125@:5.6125@:9.58145@:0@:C44@} [154]
@{group@:dots@}
@{char@:duration dot@:82@:0@:2.87767@:1.43884@:1.43884@:2.87767@:0@:dot@} [82]
@{puorg@:dots@}
)
@{char@:brace number 21@:86@:2.4867@:0@:7.7732@:7.7732@:0@:0@:brace21@} [86] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-scripts.mf
@{char@:2/2 meter@:155@:0@:9.58145@:5.6125@:5.6125@:9.58145@:0@:C22@} [155]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:brace number 22@:87@:2.49438@:0@:7.89754@:7.89754@:0@:0@:brace22@}
[87]
@{group@:scripts@}
@{char@:fermata up@:83@:8.28351@:8.28351@:0.40851@:9.071@:8.28351@:0@:ufermata@
} [83]
@{char@:fermata down@:84@:8.28351@:8.28351@:9.071@:0.40851@:8.28351@:0@:dfermat
a@} [84]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:8.73056@:0@:8.73056@:8.73056@:0@:*@} [156]
@{char@:short fermata up@:85@:6.3@:6.3@:0@:13.85999@:6.3@:0@:ushortfermata@}
[85]
@{char@:Pedal dash@:157@:0@:4.54573@:0@:6.41429@:4.54573@:0@:M@} [157]
@{char@:brace number 23@:88@:2.50235@:0@:8.02225@:8.02225@:0@:0@:brace23@}
[88]
@{char@:Pedal dot@:158@:0@:1.51524@:0@:1.51524@:1.51524@:0@:.@} [158]
@{char@:short fermata down@:86@:6.3@:6.3@:13.85999@:0@:6.3@:0@:dshortfermata@}
[86]
@{char@:brace number 24@:89@:2.51004@:0@:8.14737@:8.14737@:0@:0@:brace24@}
[89]
@{char@:long fermata up@:87@:7.87502@:7.87502@:0@:9.45001@:7.87502@:0@:ulongfer
mata@} [87]
@{char@:Pedal P@:159@:0@:9.35417@:0@:11.225@:9.35417@:0@:P@} [159]
@{char@:Pedal d@:160@:0@:7.48334@:0@:9.82188@:7.48334@:0@:d@} [160]
@{char@:long fermata down@:88@:7.87502@:7.87502@:9.45001@:0@:7.87502@:0@:dlongf
ermata@} [88]
@{char@:Pedal e@:161@:0@:4.49@:0@:6.41429@:4.49@:0@:e@} [161]
@{char@:brace number 25@:90@:2.518@:0@:8.27287@:8.27287@:0@:0@:brace25@} [90]
@{char@:very long fermata up@:89@:9.45001@:9.45001@:0@:10.08005@:9.45001@:0@:uv
erylongfermata@} [89]
@{char@:brace number 26@:91@:2.52597@:0@:8.39877@:8.39877@:0@:0@:brace26@}
[91]
@{char@:very long fermata down@:90@:9.45001@:9.45001@:10.08005@:0@:9.45001@:0@:
dverylongfermata@} [90]
@{char@:Pedal Ped@:162@:0@:17.91512@:0@:11.225@:17.91512@:0@:Ped@} [162]
@{puorg@:pedal@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:brace number 27@:92@:2.53366@:0@:8.52507@:8.52507@:0@:0@:brace27@}
[92]
@{char@:Thumb@:91@:2.52@:2.52@:5.04004@:3.15001@:2.52@:0@:thumb@} [91]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:10.66373@:1.2628@:7.6779@:10.66373@:0@:up@}
[163]
@{char@:bracket tip down@:164@:0@:10.66373@:7.6779@:1.2628@:10.66373@:0@:down@}
[164]
@{puorg@:brackettips@}
)
@{char@:> accent@:92@:5.66997@:5.66997@:3.15001@:3.15001@:5.66997@:0@:sforzato@
} [92] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:brace number 28@:93@:2.54163@:0@:8.65175@:8.65175@:0@:0@:brace28@}
[93]
@{char@:espr@:93@:11.96997@:11.96997@:3.15001@:3.15001@:11.96997@:0@:espr@}
[93]
@{char@:brace number 29@:94@:2.54959@:0@:8.77884@:8.77884@:0@:0@:brace29@}
[94]
@{group@:accordion@}
@{char@:accordion register discant@:165@:8.75746@:8.75746@:0.23709@:17.07462@:8
.75746@:0@:discant@} [165]
@{char@:staccato dot@:94@:1.25998@:1.25998@:1.25998@:1.25998@:1.25998@:0@:stacc
ato@} [94]
@{char@:accordion register dot@:166@:1.40314@:1.40314@:1.40314@:1.40314@:1.4031
4@:0@:dot@} [166]
@{char@:staccatissimo/martellato up@:95@:1.1747@:1.1747@:0.2@:6.21472@:1.1747@:
0@:ustaccatissimo@} [95]
@{char@:accordion register freebass@:167@:5.9512@:5.9512@:0.23709@:11.4621@:5.9
512@:0@:freebass@} [167]
@{char@:staccatissimo/martellato down@:96@:1.1747@:1.1747@:6.21472@:0.2@:1.1747
@:0@:dstaccatissimo@} [96]
@{char@:brace number 30@:95@:2.55756@:0@:8.90631@:8.90631@:0@:0@:brace30@}
[95]
@{char@:accordion register stdbass@:168@:11.5637@:11.5637@:0.23709@:22.6871@:11
.5637@:0@:stdbass@} [168]
@{char@:portato/single tenuto@:97@:3.78004@:3.78004@:0.43573@:0.43573@:3.78004@
:0@:tenuto@} [97]
@{char@:brace number 31@:96@:2.56552@:0@:9.0342@:9.0342@:0@:0@:brace31@} [96]
@{char@:accordion register bayanbass@:169@:5.9512@:5.9512@:0.3387@:17.17621@:5.
9512@:0@:bayanbass@} [169]
@{char@:portato/tenuto with staccato@:98@:3.78004@:3.78004@:0.38127@:4.05562@:3
.78004@:0@:uportato@} [98]
@{char@:portato/tenuto with staccato@:99@:3.78004@:3.78004@:4.05562@:0.38127@:3
.78004@:0@:dportato@} [99]
@{char@:brace number 32@:97@:2.57376@:0@:9.16246@:9.16246@:0@:0@:brace32@}
[97]
@{char@:marcato up@:100@:3.15001@:3.15001@:0@:6.93004@:3.15001@:0@:umarcato@}
[100]
@{char@:brace number 33@:98@:2.58173@:0@:9.29115@:9.29115@:0@:0@:brace33@}
[98]
@{char@:marcato down@:101@:3.15001@:3.15001@:6.93004@:0@:3.15001@:0@:dmarcato@}
[101]
@{char@:open (unstopped)@:102@:2.52@:2.52@:3.15001@:3.15001@:2.52@:0@:open@}
[102]
@{char@:brace number 34@:99@:2.58969@:0@:9.42024@:9.42024@:0@:0@:brace34@}
[99]
@{char@:accordion oldEE@:170@:5.9512@:5.9512@:0@:11.69919@:5.9512@:0@:oldEE@}
[170]
@{char@:halfopen (unstopped)@:103@:2.52@:2.52@:3.15001@:3.15001@:2.52@:0@:halfo
pen@} [103]
@{char@:accordion push@:171@:5.1152@:0@:0@:12.78822@:0@:0@:push@} [171]
@{char@:brace number 35@:100@:2.59793@:0@:9.54973@:9.54973@:0@:0@:brace35@}
[100]
@{char@:accordion pull@:172@:4.31349@:0.80171@:0@:12.78822@:0.80171@:0@:pull@}
[172]
@{puorg@:accordion@}
)
@{char@:halfopen vertical@:104@:2.52@:2.52@:3.15001@:3.15001@:2.52@:0@:halfopen
vertical@} [104] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:brace number 36@:101@:2.6059@:0@:9.67963@:9.67963@:0@:0@:brace36@}
[101]
@{char@:plus (stopped)@:105@:3.46503@:3.46503@:3.46503@:3.46503@:3.46503@:0@:st
opped@} [105]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:3.55453@:0@:0@:0@:lyric.short@} [173]
@{char@:Upbow@:106@:4.09502@:4.09502@:0@:13.10408@:4.09502@:0@:upbow@} [106]
@{char@:Default lyric tie@:174@:0@:0@:3.67924@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{char@:brace number 37@:102@:2.61414@:0@:9.80992@:9.80992@:0@:0@:brace37@}
[102]
@{parameter@:staffsize@:22.45@}
@{parameter@:stafflinethickness@:0.52107@}
@{parameter@:staff_space@:5.6125@}
@{parameter@:linethickness@:0.52107@}
@{parameter@:black_notehead_width@:7.3881@}
@{parameter@:ledgerlinethickness@:1.04214@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Downbow@:107@:4.725@:4.725@:0@:8.39998@:4.725@:0@:downbow@} [107]
(some charht values had to be adjusted by as much as 0.50517pt)
(some chardp values had to be adjusted by as much as 0.41699pt)
Font metrics written on feta23.tfm.
142 output files written: feta23.33 .. feta23.174
Transcript written on feta23.log.

@{char@:brace number 38@:103@:2.62238@:0@:9.94063@:9.94063@:0@:0@:brace38@}
[103]
@{char@:Reverse turn@:108@:6.89063@:6.89063@:3.3353@:3.3353@:6.89063@:0@:revers
eturn@} [108]
@{char@:brace number 39@:104@:2.63062@:0@:10.07175@:10.07175@:0@:0@:brace39@}
[104]
@{char@:Turn@:109@:6.89063@:6.89063@:3.3353@:3.3353@:6.89063@:0@:turn@} [109]
@{char@:brace number 40@:105@:2.63885@:0@:10.20328@:10.20328@:0@:0@:brace40@}
[105]
@{char@:Trill (`tr')@:110@:5.35504@:5.35504@:0@:13.22993@:5.35504@:0@:trill@}
[110]
@{char@:left heel@:111@:3.15001@:3.15001@:3.15001@:4.2@:3.15001@:0@:upedalheel@
} [111]
@{char@:right heel@:112@:3.15001@:3.15001@:4.2@:3.15001@:3.15001@:0@:dpedalheel
@} [112]
@{char@:brace number 41@:106@:2.6471@:0@:10.33522@:10.33522@:0@:0@:brace41@}
[106]
@{char@:left toe@:113@:3.15001@:3.15001@:0@:9.45001@:3.15001@:0@:upedaltoe@}
[113]
@{char@:right toe@:114@:3.15001@:3.15001@:9.45001@:0@:3.15001@:0@:dpedaltoe@}
[114]
@{char@:brace number 42@:107@:2.65533@:0@:10.46758@:10.46758@:0@:0@:brace42@}
[107]
@{char@:Flageolet@:115@:3.36@:3.36@:3.36@:3.36@:3.36@:0@:flageolet@} [115]Failed to change locale.

@{char@:brace number 43@:108@:2.66357@:0@:10.60034@:10.60034@:0@:0@:brace43@}
[108]
@{char@:Segno@:116@:6.3@:6.3@:9.45001@:9.45001@:6.3@:0@:segno@} [116]
@{char@:brace number 44@:109@:2.67209@:0@:10.73352@:10.73352@:0@:0@:brace44@}
[109]
@{char@:Varied Segno@:117@:7.87502@:7.87502@:25.20001@:25.20001@:7.87502@:0@:va
rsegno@} [117]
@{char@:brace number 45@:110@:2.68033@:0@:10.86713@:10.86713@:0@:0@:brace45@}
[110]
@{char@:Coda@:118@:6.40503@:6.40503@:8.50504@:8.50504@:6.40503@:0@:coda@} [118]

@{char@:brace number 46@:111@:2.68884@:0@:11.00114@:11.00114@:0@:0@:brace46@}
[111]@{char@:Varied Coda@:119@:6.31966@:6.31966@:8.41966@:8.41966@:6.31966@:0@:varco
da@} [119]
@{char@:Right Comma@:120@:0@:3.15001@:3.78004@:3.78004@:3.15001@:0@:rcomma@}
[120]
@{char@:brace number 47@:112@:2.69708@:0@:11.13559@:11.13559@:0@:0@:brace47@}
[112]
@{char@:Left Comma@:121@:3.15001@:0@:3.78004@:3.78004@:0@:0@:lcomma@} [121]
@{char@:Right Varied Comma@:122@:1.575@:1.575@:3.78004@:3.78004@:1.575@:0@:rvar
comma@} [122]
@{char@:brace number 48@:113@:2.7056@:0@:11.27045@:11.27045@:0@:0@:brace48@}
[113]
@{char@:Left Varied Comma@:123@:1.575@:1.575@:3.78004@:3.78004@:1.575@:0@:lvarc
omma@} [123]
@{char@:Arpeggio@:124@:0@:5.04002@:0@:6.3@:5.04002@:0@:arpeggio@} [124]
@{char@:brace number 49@:114@:2.71411@:0@:11.40572@:11.40572@:0@:0@:brace49@}
[114]
@{char@:Trill_element@:125@:0@:6.3@:0@:5.04002@:6.3@:0@:trill_element@} [125]
@{char@:brace number 50@:115@:2.72263@:0@:11.54143@:11.54143@:0@:0@:brace50@}
[115]
*** Successfully generated feta20.pfb! ***

@{char@:Arpeggio arrow down@:126@:0@:5.04002@:0@:6.3@:5.04002@:0@:arpeggio.arro
w.M1@} [126]
@{char@:brace number 51@:116@:2.73114@:0@:11.67755@:11.67755@:0@:0@:brace51@}
[116]
@{char@:Arpeggio arrow up@:127@:0@:5.04002@:0@:6.3@:5.04002@:0@:arpeggio.arrow.
1@} [127]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-trills.mf
@{char@:brace number 52@:117@:2.73965@:0@:11.81412@:11.81412@:0@:0@:brace52@}
[117]
@{char@:trilelement@:128@:2.625@:2.625@:3.15001@:3.15001@:2.625@:0@:trilelement
@} [128]
@{char@:brace number 53@:118@:2.74817@:0@:11.9511@:11.9511@:0@:0@:brace53@}
[118]
@{char@:prall@:129@:5.25@:5.25@:3.15001@:3.15001@:5.25@:0@:prall@} [129]
@{char@:brace number 54@:119@:2.75696@:0@:12.0885@:12.0885@:0@:0@:brace54@}
[119]( echo ./out/feta-braces-b.pfb:  > out/feta-braces-b.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-braces-b.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-braces-b --fullname=feta-braces-b --name=feta-braces-b feta-braces-b.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:mordent@:130@:5.25@:5.25@:4.2@:4.2@:5.25@:0@:mordent@} [130]
@{char@:brace number 55@:120@:2.76547@:0@:12.22635@:12.22635@:0@:0@:brace55@}
[120]
@{char@:brace number 56@:121@:2.77426@:0@:12.36462@:12.36462@:0@:0@:brace56@}
[121]
@{char@:prallprall@:131@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:prallprall@}
[131]
@{char@:brace number 57@:122@:2.78278@:0@:12.50334@:12.50334@:0@:0@:brace57@}
[122]
@{char@:brace number 58@:123@:2.79156@:0@:12.64247@:12.64247@:0@:0@:brace58@}
[123]
@{char@:prallmordent@:132@:7.875@:7.875@:4.2@:4.2@:7.875@:0@:prallmordent@}
[132]
@{char@:brace number 59@:124@:2.80035@:0@:12.78206@:12.78206@:0@:0@:brace59@}
[124]
@{char@:upprall@:133@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:upprall@} [133]
@{char@:upmordent@:134@:7.875@:7.875@:4.2@:4.2@:7.875@:0@:upmordent@} [134]
@{char@:brace number 60@:125@:2.80914@:0@:12.92207@:12.92207@:0@:0@:brace60@}
[125]
@{char@:pralldown@:135@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:pralldown@}
[135]
@{char@:brace number 61@:126@:2.81793@:0@:13.06253@:13.06253@:0@:0@:brace61@}
[126]
@{char@:brace number 62@:127@:2.82672@:0@:13.20343@:13.20343@:0@:0@:brace62@}
[127]
@{char@:downprall@:136@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:downprall@}
[136]Failed to change locale.

@{char@:brace number 63@:128@:2.83551@:0@:13.34476@:13.34476@:0@:0@:brace63@}
[128]
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.2452pt)
(some chardp values had to be adjusted by as much as 0.2452pt)
Font metrics written on feta-braces-a.tfm.
64 output files written: feta-braces-a.65 .. feta-braces-a.128
Transcript written on feta-braces-a.log.

mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-braces-a
    font_weight:               Medium
    font_identifier:           feta-braces-a20
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -50
    font_underline_thickness:  25
    font_name:                 feta-braces-a
    font_unique_id:            4597381
    font_size:                 19.9252801992528 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=50.1875; bpppix 0.02; nonstopmode; input feta-braces-a.mf'"...
Failed to change locale.
Failed to change locale.

@{char@:downmordent@:137@:7.875@:7.875@:4.2@:4.2@:7.875@:0@:downmordent@} [137]
@{char@:prallup@:138@:7.875@:7.875@:3.15001@:3.15001@:7.875@:0@:prallup@} [138]

*** Successfully generated feta18.pfb! ***
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp@{char@:lineprall@:139@:7.875@:7.875@:3.15001@:12.60004@:7.875@:0@:lineprall@}
[139]) (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Curved caesura@:140@:0@:12.6@:5.04002@:7.55998@:12.6@:0@:caesura.curved
@} [140]Failed to change locale.

*** Successfully generated feta13.pfb! ***

@{char@:Straight caesura@:141@:0@:12.6@:5.04002@:7.55998@:12.6@:0@:caesura.stra
ight@} [141]( echo ./out/feta-braces-c.pfb:  > out/feta-braces-c.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-braces-c.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-braces-c --fullname=feta-braces-c --name=feta-braces-c feta-braces-c.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
)
*** Successfully generated feta14.pfb! ***

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-a.mf
@{char@:Tick mark@:142@:3.78004@:6.92995@:0@:10.70999@:6.92995@:0@:tickmark@}
[142]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:snap pizzicato (Bartok pizzicato)@:143@:3.36@:3.36@:3.36@:5.04001@:3.36
@:0@:snappizzicato@} [143] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-clefs.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{group@:clefs@}
! Warning: Replacing filldraw with fill.
@{char@:C clef@:144@:0@:17.05064@:12.6@:12.6@:17.05064@:0@:C@} [144])
! Warning: Replacing filldraw with fill.
@{char@:C clef@:145@:0@:13.74951@:10.08005@:10.08005@:13.74951@:0@:C_change@}
[145]( echo ./out/feta-braces-d.pfb:  > out/feta-braces-d.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-braces-d.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-braces-d --fullname=feta-braces-d --name=feta-braces-d feta-braces-d.mf ) \

@{font@:GNU@:LilyPond@:feta-braces-a@:20@:fetaBraces@}
@{char@:brace number 0@:65@:2.32877@:0@:5.25@:5.25@:0@:0@:brace0@} [65]&& mv $TMP/*pfb ./out; \
rm -rf $TMP

*** Successfully generated feta16.pfb! ***

@{char@:brace number 1@:66@:2.3359@:0@:5.36644@:5.36644@:0@:0@:brace1@} [66]
@{char@:F clef @:146@:0@:16.90504@:15.75002@:6.3@:16.90504@:0@:F@} [146]
@{char@:F clef (reduced)@:147@:0@:13.5241@:12.60007@:5.04002@:13.5241@:0@:F_cha
nge@} [147]
@{char@:brace number 2@:67@:2.34332@:0@:5.48325@:5.48325@:0@:0@:brace2@} [67]
@{char@:brace number 3@:68@:2.35074@:0@:5.6004@:5.6004@:0@:0@:brace3@} [68]
@{char@:brace number 4@:69@:2.35788@:0@:5.71794@:5.71794@:0@:0@:brace4@} [69]
@{char@:G clef@:148@:0@:16.15962@:16.06503@:30.24004@:16.15962@:0@:G@} [148]
@{char@:brace number 5@:70@:2.3653@:0@:5.83585@:5.83585@:0@:0@:brace5@} [70]( echo ./out/feta-braces-e.pfb:  > out/feta-braces-e.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-braces-e.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-braces-e --fullname=feta-braces-e --name=feta-braces-e feta-braces-e.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:brace number 6@:71@:2.37271@:0@:5.9541@:5.9541@:0@:0@:brace6@} [71]
@{char@:G clef@:149@:0@:12.92775@:12.85208@:24.99141@:12.92775@:0@:G_change@}
[149]
@{char@:percussion clef@:150@:-4.221@:12.6@:6.3@:6.3@:12.6@:0@:percussion@}
[150]
@{char@:percussion clef (reduced)@:151@:-3.3768@:10.08005@:5.04002@:5.04002@:10
.08005@:0@:percussion_change@} [151]
@{char@:brace number 7@:72@:2.38013@:0@:6.07274@:6.07274@:0@:0@:brace7@} [72]
@{char@:tab clef@:152@:-1.25998@:17.64003@:18.14412@:18.14412@:17.64003@:0@:tab
@} [152]
@{char@:tab clef (reduced)@:153@:-1.008@:14.11208@:14.51534@:14.51534@:14.11208
@:0@:tab_change@} [153]
@{puorg@:clefs@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-timesignatures.mf

@{char@:brace number 8@:73@:2.38754@:0@:6.19174@:6.19174@:0@:0@:brace8@} [73]( echo ./out/feta-braces-f.pfb:  > out/feta-braces-f.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-braces-f.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-braces-f --fullname=feta-braces-f --name=feta-braces-f feta-braces-f.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:brace number 9@:74@:2.39523@:0@:6.31113@:6.31113@:0@:0@:brace9@} [74]@{group@:timesig@}
@{char@:4/4 meter@:154@:0@:10.79536@:6.3@:6.3@:10.79536@:0@:C44@} [154]
@{char@:2/2 meter@:155@:0@:10.79536@:6.3@:6.3@:10.79536@:0@:C22@} [155]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-pedals.mf
@{char@:brace number 10@:75@:2.40265@:0@:6.43088@:6.43088@:0@:0@:brace10@}
[75]
@{group@:pedal@}
@{char@:Pedal asterisk@:156@:0@:9.8@:0@:9.8@:9.8@:0@:*@} [156]
@{char@:brace number 11@:76@:2.41006@:0@:6.55101@:6.55101@:0@:0@:brace11@}
[76]
@{char@:Pedal dash@:157@:0@:4.93355@:0@:7.2@:4.93355@:0@:M@} [157]
@{char@:Pedal dot@:158@:0@:1.64452@:0@:1.64452@:1.64452@:0@:.@} [158]
@{char@:brace number 12@:77@:2.41776@:0@:6.67152@:6.67152@:0@:0@:brace12@}
[77]
@{char@:brace number 13@:78@:2.42517@:0@:6.7924@:6.7924@:0@:0@:brace13@} [78]
@{char@:Pedal P@:159@:0@:10.5@:0@:12.6@:10.5@:0@:P@} [159]
@{char@:brace number 14@:79@:2.43286@:0@:6.91367@:6.91367@:0@:0@:brace14@}
[79]
@{char@:brace number 15@:80@:2.44055@:0@:7.03531@:7.03531@:0@:0@:brace15@}
[80]
@{char@:Pedal d@:160@:0@:8.40001@:0@:11.02501@:8.40001@:0@:d@} [160]
@{char@:brace number 16@:81@:2.44824@:0@:7.15733@:7.15733@:0@:0@:brace16@}
[81]
@{char@:Pedal e@:161@:0@:5.04001@:0@:7.2@:5.04001@:0@:e@} [161]
@{char@:brace number 17@:82@:2.45566@:0@:7.27975@:7.27975@:0@:0@:brace17@}
[82]
@{char@:brace number 18@:83@:2.46335@:0@:7.40253@:7.40253@:0@:0@:brace18@}
[83]
@{char@:Pedal Ped@:162@:0@:20.1096@:0@:12.6@:20.1096@:0@:Ped@} [162]
@{puorg@:pedal@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-brackettips.mf
@{char@:brace number 19@:84@:2.47104@:0@:7.5257@:7.5257@:0@:0@:brace19@} [84]
@{group@:brackettips@}
@{char@:bracket tip up@:163@:0@:11.96997@:1.4175@:8.6184@:11.96997@:0@:up@}
[163]
@{char@:brace number 20@:85@:2.479@:0@:7.64925@:7.64925@:0@:0@:brace20@} [85]
@{char@:bracket tip down@:164@:0@:11.96997@:8.6184@:1.4175@:11.96997@:0@:down@}
[164]
@{puorg@:brackettips@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-accordion.mf
@{char@:brace number 21@:86@:2.4867@:0@:7.7732@:7.7732@:0@:0@:brace21@} [86]
@{group@:accordion@}
@{char@:accordion register discant@:165@:9.80405@:9.80405@:0.24783@:19.14786@:9
.80405@:0@:discant@} [165]
@{char@:accordion register dot@:166@:1.57501@:1.57501@:1.57501@:1.57501@:1.5750
1@:0@:dot@} [166]
@{char@:accordion register freebass@:167@:6.65404@:6.65404@:0.24783@:12.84784@:
6.65404@:0@:freebass@} [167]
@{char@:brace number 22@:87@:2.49438@:0@:7.89754@:7.89754@:0@:0@:brace22@}
[87]
@{char@:accordion register stdbass@:168@:12.95404@:12.95404@:0.24783@:25.44785@
:12.95404@:0@:stdbass@} [168]
@{char@:brace number 23@:88@:2.50235@:0@:8.02225@:8.02225@:0@:0@:brace23@}
[88]
@{char@:accordion register bayanbass@:169@:6.65404@:6.65404@:0.35403@:19.25404@
:6.65404@:0@:bayanbass@} [169]
@{char@:brace number 24@:89@:2.51004@:0@:8.14737@:8.14737@:0@:0@:brace24@}
[89]
@{char@:brace number 25@:90@:2.518@:0@:8.27287@:8.27287@:0@:0@:brace25@} [90]
@{char@:brace number 26@:91@:2.52597@:0@:8.39877@:8.39877@:0@:0@:brace26@}
[91]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-braces-b.mf'"...

@{char@:brace number 27@:92@:2.53366@:0@:8.52507@:8.52507@:0@:0@:brace27@}
[92]
@{char@:accordion oldEE@:170@:6.65404@:6.65404@:0@:13.09566@:6.65404@:0@:oldEE@
} [170]
@{char@:accordion push@:171@:5.69351@:0@:0@:14.234@:0@:0@:push@} [171]
@{char@:brace number 28@:93@:2.54163@:0@:8.65175@:8.65175@:0@:0@:brace28@}
[93]
@{char@:accordion pull@:172@:4.83383@:0.85968@:0@:14.234@:0.85968@:0@:pull@}
[172]
@{puorg@:accordion@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-ties.mf
@{char@:brace number 29@:94@:2.54959@:0@:8.77884@:8.77884@:0@:0@:brace29@}
[94]
@{group@:ties@}
@{char@:Short lyric tie@:173@:0@:0@:3.98994@:0@:0@:0@:lyric.short@} [173]
@{char@:Default lyric tie@:174@:0@:0@:4.12993@:0@:0@:0@:lyric.default@} [174]
@{puorg@:ties@}
)
@{parameter@:staffsize@:25.2@}
@{parameter@:stafflinethickness@:0.54466@}
@{parameter@:staff_space@:6.3@}
@{parameter@:linethickness@:0.54466@}
@{parameter@:black_notehead_width@:8.29259@}
@{parameter@:ledgerlinethickness@:1.08932@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:brace number 30@:95@:2.55756@:0@:8.90631@:8.90631@:0@:0@:brace30@}
[95]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

(some charht values had to be adjusted by as much as 0.55496pt)
(some chardp values had to be adjusted by as much as 0.45506pt)
Font metrics written on feta26.tfm.
142 output files written: feta26.33 .. feta26.174
Transcript written on feta26.log.
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 31@:96@:2.56552@:0@:9.0342@:9.0342@:0@:0@:brace31@} [96]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 32@:97@:2.57376@:0@:9.16246@:9.16246@:0@:0@:brace32@}
[97])
@{char@:brace number 33@:98@:2.58173@:0@:9.29115@:9.29115@:0@:0@:brace33@}
[98]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-b.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:brace number 34@:99@:2.58969@:0@:9.42024@:9.42024@:0@:0@:brace34@}
[99]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 35@:100@:2.59793@:0@:9.54973@:9.54973@:0@:0@:brace35@}
[100])
@{char@:brace number 36@:101@:2.6059@:0@:9.67963@:9.67963@:0@:0@:brace36@}
[101]
@{char@:brace number 37@:102@:2.61414@:0@:9.80992@:9.80992@:0@:0@:brace37@}
[102]
@{font@:GNU@:LilyPond@:feta-braces-b@:40@:fetaBraces@}
@{char@:brace number 64@:65@:2.8443@:0@:13.48654@:13.48654@:0@:0@:brace64@}
[65]
@{char@:brace number 65@:66@:2.85336@:0@:13.62875@:13.62875@:0@:0@:brace65@}
[66]
@{char@:brace number 38@:103@:2.62238@:0@:9.94063@:9.94063@:0@:0@:brace38@}
[103]
@{char@:brace number 66@:67@:2.86215@:0@:13.77142@:13.77142@:0@:0@:brace66@}
[67]
@{char@:brace number 67@:68@:2.87122@:0@:13.91452@:13.91452@:0@:0@:brace67@}
[68]
@{char@:brace number 39@:104@:2.63062@:0@:10.07175@:10.07175@:0@:0@:brace39@}
[104]
@{char@:brace number 40@:105@:2.63885@:0@:10.20328@:10.20328@:0@:0@:brace40@}
[105]
@{char@:brace number 68@:69@:2.88028@:0@:14.05809@:14.05809@:0@:0@:brace68@}
[69]
@{char@:brace number 41@:106@:2.6471@:0@:10.33522@:10.33522@:0@:0@:brace41@}
[106]
@{char@:brace number 69@:70@:2.88907@:0@:14.2021@:14.2021@:0@:0@:brace69@}
[70]
@{char@:brace number 42@:107@:2.65533@:0@:10.46758@:10.46758@:0@:0@:brace42@}
[107]
@{char@:brace number 70@:71@:2.89813@:0@:14.34656@:14.34656@:0@:0@:brace70@}
[71]
@{char@:brace number 43@:108@:2.66357@:0@:10.60034@:10.60034@:0@:0@:brace43@}
[108]
@{char@:brace number 71@:72@:2.9072@:0@:14.49146@:14.49146@:0@:0@:brace71@}
[72]
@{char@:brace number 72@:73@:2.91626@:0@:14.63683@:14.63683@:0@:0@:brace72@}
[73]
@{char@:brace number 44@:109@:2.67209@:0@:10.73352@:10.73352@:0@:0@:brace44@}
[109]
@{char@:brace number 45@:110@:2.68033@:0@:10.86713@:10.86713@:0@:0@:brace45@}
[110]
@{char@:brace number 46@:111@:2.68884@:0@:11.00114@:11.00114@:0@:0@:brace46@}
[111]
@{char@:brace number 73@:74@:2.9256@:0@:14.78264@:14.78264@:0@:0@:brace73@}
[74]
@{char@:brace number 47@:112@:2.69708@:0@:11.13559@:11.13559@:0@:0@:brace47@}
[112]
@{char@:brace number 74@:75@:2.93466@:0@:14.92891@:14.92891@:0@:0@:brace74@}
[75]
@{char@:brace number 48@:113@:2.7056@:0@:11.27045@:11.27045@:0@:0@:brace48@}
[113]
@{char@:brace number 75@:76@:2.944@:0@:15.07565@:15.07565@:0@:0@:brace75@}
[76]
@{char@:brace number 76@:77@:2.95306@:0@:15.22285@:15.22285@:0@:0@:brace76@}
[77]
@{char@:brace number 77@:78@:2.9624@:0@:15.3705@:15.3705@:0@:0@:brace77@} [78]
@{char@:brace number 78@:79@:2.97147@:0@:15.51862@:15.51862@:0@:0@:brace78@}
[79]
@{char@:brace number 79@:80@:2.9808@:0@:15.66719@:15.66719@:0@:0@:brace79@}
[80]
@{char@:brace number 80@:81@:2.99014@:0@:15.81624@:15.81624@:0@:0@:brace80@}
[81]
@{char@:brace number 81@:82@:2.99948@:0@:15.96574@:15.96574@:0@:0@:brace81@}
[82]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-braces-d.mf'"...

@{char@:brace number 82@:83@:3.0091@:0@:16.1157@:16.1157@:0@:0@:brace82@} [83]
@{char@:brace number 83@:84@:3.01843@:0@:16.26616@:16.26616@:0@:0@:brace83@}
[84]
@{char@:brace number 84@:85@:3.02777@:0@:16.41708@:16.41708@:0@:0@:brace84@}
[85]
@{char@:brace number 85@:86@:3.03738@:0@:16.56848@:16.56848@:0@:0@:brace85@}
[86]
@{char@:brace number 86@:87@:3.04672@:0@:16.72035@:16.72035@:0@:0@:brace86@}
[87]
@{char@:brace number 49@:114@:2.71411@:0@:11.40572@:11.40572@:0@:0@:brace49@}
[114]
@{char@:brace number 87@:88@:3.05634@:0@:16.87268@:16.87268@:0@:0@:brace87@}
[88]
@{char@:brace number 50@:115@:2.72263@:0@:11.54143@:11.54143@:0@:0@:brace50@}
[115]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 51@:116@:2.73114@:0@:11.67755@:11.67755@:0@:0@:brace51@}
[116]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-d.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:brace number 52@:117@:2.73965@:0@:11.81412@:11.81412@:0@:0@:brace52@}
[117]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-braces-c.mf'"...
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mfInvoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-braces-e.mf'"...

@{char@:brace number 53@:118@:2.74817@:0@:11.9511@:11.9511@:0@:0@:brace53@}
[118])Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-braces-f.mf'"...

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 54@:119@:2.75696@:0@:12.0885@:12.0885@:0@:0@:brace54@}
[119])
@{char@:brace number 88@:89@:3.06595@:0@:17.0255@:17.0255@:0@:0@:brace88@}
[89]
@{char@:brace number 89@:90@:3.07556@:0@:17.1788@:17.1788@:0@:0@:brace89@}
[90]
@{font@:GNU@:LilyPond@:feta-braces-d@:80@:fetaBraces@}
@{char@:brace number 192@:65@:4.24368@:0@:35.83533@:35.83533@:0@:0@:brace192@}
[65]
@{char@:brace number 90@:91@:3.08517@:0@:17.33258@:17.33258@:0@:0@:brace90@}
[91]
@{char@:brace number 193@:66@:4.25687@:0@:36.04752@:36.04752@:0@:0@:brace193@}
[66]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 55@:120@:2.76547@:0@:12.22635@:12.22635@:0@:0@:brace55@}
[120](./mf2pt1.mpThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 91@:92@:3.09479@:0@:17.48683@:17.48683@:0@:0@:brace91@}
[92] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 194@:67@:4.27032@:0@:36.26036@:36.26036@:0@:0@:brace194@}
[67]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 92@:93@:3.1044@:0@:17.64157@:17.64157@:0@:0@:brace92@}
[93]
@{char@:brace number 195@:68@:4.28351@:0@:36.47388@:36.47388@:0@:0@:brace195@}
[68](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 196@:69@:4.29697@:0@:36.68805@:36.68805@:0@:0@:brace196@}
[69]
@{char@:brace number 93@:94@:3.11429@:0@:17.7968@:17.7968@:0@:0@:brace93@}
[94]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-e.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
@{char@:brace number 197@:70@:4.31042@:0@:36.9029@:36.9029@:0@:0@:brace197@}
[70]
@{char@:brace number 94@:95@:3.1239@:0@:17.95251@:17.95251@:0@:0@:brace94@}
[95]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-c.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
@{char@:brace number 198@:71@:4.32388@:0@:37.11842@:37.11842@:0@:0@:brace198@}
[71]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf)
@{char@:brace number 95@:96@:3.13379@:0@:18.1087@:18.1087@:0@:0@:brace95@}
[96]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-f.mf
@{char@:brace number 199@:72@:4.33734@:0@:37.33461@:37.33461@:0@:0@:brace199@}
[72] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:brace number 96@:97@:3.14368@:0@:18.2654@:18.2654@:0@:0@:brace96@}
[97]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:brace number 200@:73@:4.35107@:0@:37.55148@:37.55148@:0@:0@:brace200@}
[73]) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 201@:74@:4.36453@:0@:37.76903@:37.76903@:0@:0@:brace201@}
[74]
@{char@:brace number 97@:98@:3.15329@:0@:18.42258@:18.42258@:0@:0@:brace97@}
[98])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{char@:brace number 202@:75@:4.37827@:0@:37.98726@:37.98726@:0@:0@:brace202@}
[75]
@{char@:brace number 98@:99@:3.16318@:0@:18.58025@:18.58025@:0@:0@:brace98@}
[99])
@{char@:brace number 203@:76@:4.392@:0@:38.20616@:38.20616@:0@:0@:brace203@}
[76])
@{font@:GNU@:LilyPond@:feta-braces-c@:60@:fetaBraces@}
@{char@:brace number 128@:65@:3.47437@:0@:23.54698@:23.54698@:0@:0@:brace128@}
[65]
@{char@:brace number 204@:77@:4.40573@:0@:38.42577@:38.42577@:0@:0@:brace204@}
[77]
@{font@:GNU@:LilyPond@:feta-braces-e@:100@:fetaBraces@}
@{char@:brace number 256@:65@:5.18329@:0@:50.84483@:50.84483@:0@:0@:brace256@}
[65]
@{char@:brace number 205@:78@:4.41946@:0@:38.64604@:38.64604@:0@:0@:brace205@}
[78]
@{char@:brace number 129@:66@:3.48508@:0@:23.7207@:23.7207@:0@:0@:brace129@}
[66]
@{char@:brace number 99@:100@:3.17307@:0@:18.7384@:18.7384@:0@:0@:brace99@}
[100]
@{char@:brace number 257@:66@:5.1995@:0@:51.10399@:51.10399@:0@:0@:brace257@}
[66]
@{char@:brace number 56@:121@:2.77426@:0@:12.36462@:12.36462@:0@:0@:brace56@}
[121]
@{char@:brace number 206@:79@:4.43347@:0@:38.86702@:38.86702@:0@:0@:brace206@}
[79]
@{font@:GNU@:LilyPond@:feta-braces-f@:120@:fetaBraces@}
@{char@:brace number 320@:65@:6.33109@:0@:69.17809@:69.17809@:0@:0@:brace320@}
[65]
@{char@:brace number 130@:67@:3.49606@:0@:23.89496@:23.89496@:0@:0@:brace130@}
[67]
@{char@:brace number 100@:101@:3.18323@:0@:18.89705@:18.89705@:0@:0@:brace100@}
[101]
@{char@:brace number 321@:66@:6.35086@:0@:69.49463@:69.49463@:0@:0@:brace321@}
[66]
@{char@:brace number 207@:80@:4.4472@:0@:39.08868@:39.08868@:0@:0@:brace207@}
[80]
@{char@:brace number 131@:68@:3.50705@:0@:24.06976@:24.06976@:0@:0@:brace131@}
[68]
@{char@:brace number 57@:122@:2.78278@:0@:12.50334@:12.50334@:0@:0@:brace57@}
[122]
@{char@:brace number 322@:67@:6.37091@:0@:69.81218@:69.81218@:0@:0@:brace322@}
[67]
@{char@:brace number 208@:81@:4.46121@:0@:39.31105@:39.31105@:0@:0@:brace208@}
[81]
@{char@:brace number 58@:123@:2.79156@:0@:12.64247@:12.64247@:0@:0@:brace58@}
[123]
@{char@:brace number 101@:102@:3.19312@:0@:19.05621@:19.05621@:0@:0@:brace101@}
[102]
@{char@:brace number 323@:68@:6.39069@:0@:70.13072@:70.13072@:0@:0@:brace323@}
[68]
@{char@:brace number 132@:69@:3.51804@:0@:24.24512@:24.24512@:0@:0@:brace132@}
[69]
@{char@:brace number 209@:82@:4.47522@:0@:39.5341@:39.5341@:0@:0@:brace209@}
[82]
@{char@:brace number 59@:124@:2.80035@:0@:12.78206@:12.78206@:0@:0@:brace59@}
[124]
@{char@:brace number 102@:103@:3.203@:0@:19.21587@:19.21587@:0@:0@:brace102@}
[103]
@{char@:brace number 133@:70@:3.52902@:0@:24.42102@:24.42102@:0@:0@:brace133@}
[70]
@{char@:brace number 324@:69@:6.41074@:0@:70.45026@:70.45026@:0@:0@:brace324@}
[69]
@{char@:brace number 210@:83@:4.48923@:0@:39.75787@:39.75787@:0@:0@:brace210@}
[83]
@{char@:brace number 60@:125@:2.80914@:0@:12.92207@:12.92207@:0@:0@:brace60@}
[125]
@{char@:brace number 325@:70@:6.43079@:0@:70.77078@:70.77078@:0@:0@:brace325@}
[70]
@{char@:brace number 134@:71@:3.54001@:0@:24.59747@:24.59747@:0@:0@:brace134@}
[71]
@{char@:brace number 103@:104@:3.21317@:0@:19.37602@:19.37602@:0@:0@:brace103@}
[104]
@{char@:brace number 61@:126@:2.81793@:0@:13.06253@:13.06253@:0@:0@:brace61@}
[126]
@{char@:brace number 211@:84@:4.50323@:0@:39.98233@:39.98233@:0@:0@:brace211@}
[84]
@{char@:brace number 326@:71@:6.45111@:0@:71.09233@:71.09233@:0@:0@:brace326@}
[71]
@{char@:brace number 258@:67@:5.2157@:0@:51.36397@:51.36397@:0@:0@:brace258@}
[67]
@{char@:brace number 135@:72@:3.551@:0@:24.77448@:24.77448@:0@:0@:brace135@}
[72]
@{char@:brace number 104@:105@:3.22305@:0@:19.53668@:19.53668@:0@:0@:brace104@}
[105]
@{char@:brace number 259@:68@:5.23218@:0@:51.62476@:51.62476@:0@:0@:brace259@}
[68]
@{char@:brace number 327@:72@:6.47116@:0@:71.41489@:71.41489@:0@:0@:brace327@}
[72]
@{char@:brace number 136@:73@:3.56226@:0@:24.95203@:24.95203@:0@:0@:brace136@}
[73]
@{char@:brace number 105@:106@:3.23322@:0@:19.69783@:19.69783@:0@:0@:brace105@}
[106]
@{char@:brace number 62@:127@:2.82672@:0@:13.20343@:13.20343@:0@:0@:brace62@}
[127]
@{char@:brace number 260@:69@:5.24866@:0@:51.88637@:51.88637@:0@:0@:brace260@}
[69]
@{char@:brace number 212@:85@:4.51724@:0@:40.20749@:40.20749@:0@:0@:brace212@}
[85]
@{char@:brace number 63@:128@:2.83551@:0@:13.34476@:13.34476@:0@:0@:brace63@}
[128]
@{tnof@}) )
@{char@:brace number 137@:74@:3.57324@:0@:25.13014@:25.13014@:0@:0@:brace137@}
[74]
@{char@:brace number 106@:107@:3.24338@:0@:19.8595@:19.8595@:0@:0@:brace106@}
[107]
@{char@:brace number 328@:73@:6.49149@:0@:71.73843@:71.73843@:0@:0@:brace328@}
[73]
@{char@:brace number 261@:70@:5.26486@:0@:52.1488@:52.1488@:0@:0@:brace261@}
[70]
(some charht values had to be adjusted by as much as 0.2452pt)
(some chardp values had to be adjusted by as much as 0.2452pt)
Font metrics written on feta-braces-a.tfm.
64 output files written: feta-braces-a.65 .. feta-braces-a.128
Transcript written on feta-braces-a.log.

@{char@:brace number 329@:74@:6.51181@:0@:72.06302@:72.06302@:0@:0@:brace329@}
[74]
@{char@:brace number 138@:75@:3.5845@:0@:25.3088@:25.3088@:0@:0@:brace138@}
[75]
@{char@:brace number 262@:71@:5.28134@:0@:52.41205@:52.41205@:0@:0@:brace262@}
[71]
@{char@:brace number 213@:86@:4.53152@:0@:40.43335@:40.43335@:0@:0@:brace213@}
[86]
@{char@:brace number 107@:108@:3.25354@:0@:20.02167@:20.02167@:0@:0@:brace107@}
[108]
@{char@:brace number 139@:76@:3.59576@:0@:25.48802@:25.48802@:0@:0@:brace139@}
[76]
@{char@:brace number 214@:87@:4.54553@:0@:40.65993@:40.65993@:0@:0@:brace214@}
[87]
@{char@:brace number 263@:72@:5.2981@:0@:52.67612@:52.67612@:0@:0@:brace263@}
[72]
@{char@:brace number 108@:109@:3.2637@:0@:20.18434@:20.18434@:0@:0@:brace108@}
[109]
@{char@:brace number 140@:77@:3.60703@:0@:25.66782@:25.66782@:0@:0@:brace140@}
[77]
@{char@:brace number 215@:88@:4.55981@:0@:40.8872@:40.8872@:0@:0@:brace215@}
[88]
@{char@:brace number 264@:73@:5.31458@:0@:52.94102@:52.94102@:0@:0@:brace264@}
[73]
@{char@:brace number 141@:78@:3.61829@:0@:25.84816@:25.84816@:0@:0@:brace141@}
[78]
@{char@:brace number 216@:89@:4.5741@:0@:41.1152@:41.1152@:0@:0@:brace216@}
[89]
@{char@:brace number 265@:74@:5.33133@:0@:53.20676@:53.20676@:0@:0@:brace265@}
[74]
@{char@:brace number 109@:110@:3.27386@:0@:20.34752@:20.34752@:0@:0@:brace109@}
[110]
@{char@:brace number 330@:75@:6.53214@:0@:72.38861@:72.38861@:0@:0@:brace330@}
[75]
@{char@:brace number 142@:79@:3.62955@:0@:26.02908@:26.02908@:0@:0@:brace142@}
[79]
@{char@:brace number 217@:90@:4.58838@:0@:41.3439@:41.3439@:0@:0@:brace217@}
[90]
@{char@:brace number 266@:75@:5.34781@:0@:53.47331@:53.47331@:0@:0@:brace266@}
[75]
@{char@:brace number 331@:76@:6.55273@:0@:72.71521@:72.71521@:0@:0@:brace331@}
[76]
@{char@:brace number 218@:91@:4.60294@:0@:41.57332@:41.57332@:0@:0@:brace218@}
[91]
@{char@:brace number 143@:80@:3.64108@:0@:26.21056@:26.21056@:0@:0@:brace143@}
[80]
@{char@:brace number 267@:76@:5.36456@:0@:53.7407@:53.7407@:0@:0@:brace267@}
[76]
@{char@:brace number 332@:77@:6.57306@:0@:73.04285@:73.04285@:0@:0@:brace332@}
[77]
@{char@:brace number 219@:92@:4.61722@:0@:41.80347@:41.80347@:0@:0@:brace219@}
[92]
@{char@:brace number 144@:81@:3.65234@:0@:26.39261@:26.39261@:0@:0@:brace144@}
[81]
@{char@:brace number 268@:77@:5.38132@:0@:54.00893@:54.00893@:0@:0@:brace268@}
[77]
@{char@:brace number 333@:78@:6.59366@:0@:73.3715@:73.3715@:0@:0@:brace333@}
[78]
@{char@:brace number 145@:82@:3.66388@:0@:26.57523@:26.57523@:0@:0@:brace145@}
[82]
@{char@:brace number 220@:93@:4.63177@:0@:42.03433@:42.03433@:0@:0@:brace220@}
[93]
@{char@:brace number 269@:78@:5.39835@:0@:54.278@:54.278@:0@:0@:brace269@}
[78]
@{char@:brace number 334@:79@:6.61426@:0@:73.70119@:73.70119@:0@:0@:brace334@}
[79]
@{char@:brace number 110@:111@:3.2843@:0@:20.51122@:20.51122@:0@:0@:brace110@}
[111]
@{char@:brace number 146@:83@:3.67542@:0@:26.75842@:26.75842@:0@:0@:brace146@}
[83]
@{char@:brace number 221@:94@:4.64633@:0@:42.26591@:42.26591@:0@:0@:brace221@}
[94]
@{char@:brace number 270@:79@:5.4151@:0@:54.54791@:54.54791@:0@:0@:brace270@}
[79]
@{char@:brace number 111@:112@:3.29446@:0@:20.67543@:20.67543@:0@:0@:brace111@}
[112]
@{char@:brace number 147@:84@:3.68695@:0@:26.9422@:26.9422@:0@:0@:brace147@}
[84]
@{char@:brace number 222@:95@:4.66089@:0@:42.49823@:42.49823@:0@:0@:brace222@}
[95]
@{char@:brace number 271@:80@:5.43213@:0@:54.81866@:54.81866@:0@:0@:brace271@}
[80]
@{char@:brace number 112@:113@:3.3049@:0@:20.84016@:20.84016@:0@:0@:brace112@}
[113]
@{char@:brace number 148@:85@:3.69849@:0@:27.12654@:27.12654@:0@:0@:brace148@}
[85]
@{char@:brace number 272@:81@:5.44916@:0@:55.09027@:55.09027@:0@:0@:brace272@}
[81]
@{char@:brace number 223@:96@:4.67545@:0@:42.73128@:42.73128@:0@:0@:brace223@}
[96]
@{char@:brace number 113@:114@:3.31506@:0@:21.0054@:21.0054@:0@:0@:brace113@}
[114]
@{char@:brace number 335@:80@:6.63513@:0@:74.03189@:74.03189@:0@:0@:brace335@}
[80]
@{char@:brace number 273@:82@:5.46619@:0@:55.36273@:55.36273@:0@:0@:brace273@}
[82]
@{char@:brace number 149@:86@:3.71002@:0@:27.31146@:27.31146@:0@:0@:brace149@}
[86]
@{char@:brace number 224@:97@:4.69@:0@:42.96506@:42.96506@:0@:0@:brace224@}
[97]
@{char@:brace number 114@:115@:3.3255@:0@:21.17116@:21.17116@:0@:0@:brace114@}
[115]
@{char@:brace number 274@:83@:5.48322@:0@:55.63605@:55.63605@:0@:0@:brace274@}
[83]
@{char@:brace number 336@:81@:6.65573@:0@:74.36365@:74.36365@:0@:0@:brace336@}
[81]
@{char@:brace number 225@:98@:4.70456@:0@:43.19955@:43.19955@:0@:0@:brace225@}
[98]
@{char@:brace number 337@:82@:6.6766@:0@:74.69644@:74.69644@:0@:0@:brace337@}
[82]
@{char@:brace number 150@:87@:3.72156@:0@:27.49696@:27.49696@:0@:0@:brace150@}
[87]
@{char@:brace number 275@:84@:5.50052@:0@:55.9102@:55.9102@:0@:0@:brace275@}
[84]
@{char@:brace number 226@:99@:4.71939@:0@:43.43478@:43.43478@:0@:0@:brace226@}
[99]
@{char@:brace number 276@:85@:5.51755@:0@:56.18523@:56.18523@:0@:0@:brace276@}
[85]
@{char@:brace number 115@:116@:3.33594@:0@:21.33743@:21.33743@:0@:0@:brace115@}
[116]
@{char@:brace number 338@:83@:6.69748@:0@:75.03027@:75.03027@:0@:0@:brace338@}
[83]
@{char@:brace number 151@:88@:3.7331@:0@:27.68304@:27.68304@:0@:0@:brace151@}
[88]
@{char@:brace number 227@:100@:4.73422@:0@:43.67075@:43.67075@:0@:0@:brace227@}
[100]
@{char@:brace number 116@:117@:3.34637@:0@:21.50423@:21.50423@:0@:0@:brace116@}
[117]
@{char@:brace number 152@:89@:3.7449@:0@:27.8697@:27.8697@:0@:0@:brace152@}
[89]
@{char@:brace number 228@:101@:4.74905@:0@:43.90746@:43.90746@:0@:0@:brace228@}
[101]
@{char@:brace number 277@:86@:5.53485@:0@:56.4611@:56.4611@:0@:0@:brace277@}
[86]
@{char@:brace number 278@:87@:5.55215@:0@:56.73785@:56.73785@:0@:0@:brace278@}
[87]
@{char@:brace number 229@:102@:4.76389@:0@:44.14491@:44.14491@:0@:0@:brace229@}
[102]
@{char@:brace number 117@:118@:3.35681@:0@:21.67155@:21.67155@:0@:0@:brace117@}
[118]
@{char@:brace number 279@:88@:5.56973@:0@:57.01546@:57.01546@:0@:0@:brace279@}
[88]
@{char@:brace number 230@:103@:4.77872@:0@:44.3831@:44.3831@:0@:0@:brace230@}
[103]
@{char@:brace number 153@:90@:3.75671@:0@:28.05695@:28.05695@:0@:0@:brace153@}
[90]
@{char@:brace number 339@:84@:6.71863@:0@:75.36514@:75.36514@:0@:0@:brace339@}
[84]
@{char@:brace number 280@:89@:5.58704@:0@:57.29395@:57.29395@:0@:0@:brace280@}
[89]
@{char@:brace number 154@:91@:3.76825@:0@:28.24478@:28.24478@:0@:0@:brace154@}
[91]
@{char@:brace number 118@:119@:3.36725@:0@:21.83939@:21.83939@:0@:0@:brace118@}
[119]
@{char@:brace number 340@:85@:6.7395@:0@:75.70108@:75.70108@:0@:0@:brace340@}
[85]
@{char@:brace number 231@:104@:4.79382@:0@:44.62204@:44.62204@:0@:0@:brace231@}
[104]
@{char@:brace number 155@:92@:3.78006@:0@:28.4332@:28.4332@:0@:0@:brace155@}
[92]
@{char@:brace number 281@:90@:5.60461@:0@:57.5733@:57.5733@:0@:0@:brace281@}
[90]
@{char@:brace number 156@:93@:3.79187@:0@:28.62221@:28.62221@:0@:0@:brace156@}
[93]
@{char@:brace number 232@:105@:4.80865@:0@:44.86174@:44.86174@:0@:0@:brace232@}
[105]
@{char@:brace number 119@:120@:3.37796@:0@:22.00775@:22.00775@:0@:0@:brace119@}
[120]
@{char@:brace number 282@:91@:5.6222@:0@:57.85353@:57.85353@:0@:0@:brace282@}
[91]
@{char@:brace number 157@:94@:3.80396@:0@:28.8118@:28.8118@:0@:0@:brace157@}
[94]
@{char@:brace number 233@:106@:4.82376@:0@:45.10217@:45.10217@:0@:0@:brace233@}
[106]
@{char@:brace number 283@:92@:5.63977@:0@:58.13464@:58.13464@:0@:0@:brace283@}
[92]
@{char@:brace number 341@:86@:6.76065@:0@:76.03806@:76.03806@:0@:0@:brace341@}
[86]
@{char@:brace number 158@:95@:3.81577@:0@:29.002@:29.002@:0@:0@:brace158@}
[95]
@{char@:brace number 120@:121@:3.3884@:0@:22.17665@:22.17665@:0@:0@:brace120@}
[121]
@{char@:brace number 234@:107@:4.83887@:0@:45.34335@:45.34335@:0@:0@:brace234@}
[107]
@{char@:brace number 342@:87@:6.7818@:0@:76.37608@:76.37608@:0@:0@:brace342@}
[87]
@{char@:brace number 159@:96@:3.82785@:0@:29.19278@:29.19278@:0@:0@:brace159@}
[96]
@{char@:brace number 284@:93@:5.65735@:0@:58.41663@:58.41663@:0@:0@:brace284@}
[93]
@{char@:brace number 121@:122@:3.39911@:0@:22.34607@:22.34607@:0@:0@:brace121@}
[122]
@{char@:brace number 343@:88@:6.80295@:0@:76.71518@:76.71518@:0@:0@:brace343@}
[88]
@{char@:brace number 235@:108@:4.85397@:0@:45.5853@:45.5853@:0@:0@:brace235@}
[108]
@{char@:brace number 160@:97@:3.83966@:0@:29.38417@:29.38417@:0@:0@:brace160@}
[97]
@{char@:brace number 285@:94@:5.6752@:0@:58.6995@:58.6995@:0@:0@:brace285@}
[94]
@{char@:brace number 344@:89@:6.82437@:0@:77.05533@:77.05533@:0@:0@:brace344@}
[89]
@{char@:brace number 122@:123@:3.40982@:0@:22.51602@:22.51602@:0@:0@:brace122@}
[123]
@{char@:brace number 236@:109@:4.86935@:0@:45.828@:45.828@:0@:0@:brace236@}
[109]
@{char@:brace number 161@:98@:3.85175@:0@:29.57616@:29.57616@:0@:0@:brace161@}
[98]
@{char@:brace number 286@:95@:5.69278@:0@:58.98326@:58.98326@:0@:0@:brace286@}
[95]
@{char@:brace number 123@:124@:3.42026@:0@:22.68652@:22.68652@:0@:0@:brace123@}
[124]
@{char@:brace number 345@:90@:6.8458@:0@:77.39655@:77.39655@:0@:0@:brace345@}
[90]
@{char@:brace number 237@:110@:4.88446@:0@:46.07147@:46.07147@:0@:0@:brace237@}
[110]
@{char@:brace number 287@:96@:5.71063@:0@:59.2679@:59.2679@:0@:0@:brace287@}
[96]
@{char@:brace number 162@:99@:3.86383@:0@:29.76875@:29.76875@:0@:0@:brace162@}
[99]
@{char@:brace number 288@:97@:5.72849@:0@:59.55342@:59.55342@:0@:0@:brace288@}
[97]
@{char@:brace number 124@:125@:3.43097@:0@:22.85753@:22.85753@:0@:0@:brace124@}
[125]
@{char@:brace number 238@:111@:4.89984@:0@:46.31569@:46.31569@:0@:0@:brace238@}
[111]
@{char@:brace number 346@:91@:6.86722@:0@:77.73883@:77.73883@:0@:0@:brace346@}
[91]
@{char@:brace number 163@:100@:3.87592@:0@:29.96194@:29.96194@:0@:0@:brace163@}
[100]
@{char@:brace number 289@:98@:5.74661@:0@:59.83984@:59.83984@:0@:0@:brace289@}
[98]
@{char@:brace number 239@:112@:4.91522@:0@:46.56068@:46.56068@:0@:0@:brace239@}
[112]
@{char@:brace number 125@:126@:3.44196@:0@:23.02908@:23.02908@:0@:0@:brace125@}
[126]
@{char@:brace number 164@:101@:3.888@:0@:30.15573@:30.15573@:0@:0@:brace164@}
[101]
@{char@:brace number 347@:92@:6.88864@:0@:78.0822@:78.0822@:0@:0@:brace347@}
[92]
@{char@:brace number 290@:99@:5.76447@:0@:60.12718@:60.12718@:0@:0@:brace290@}
[99]
@{char@:brace number 240@:113@:4.9306@:0@:46.80644@:46.80644@:0@:0@:brace240@}
[113]
@{char@:brace number 165@:102@:3.90009@:0@:30.35013@:30.35013@:0@:0@:brace165@}
[102]
@{char@:brace number 348@:93@:6.91006@:0@:78.42662@:78.42662@:0@:0@:brace348@}
[93]
@{char@:brace number 126@:127@:3.45267@:0@:23.20117@:23.20117@:0@:0@:brace126@}
[127]
@{char@:brace number 241@:114@:4.94598@:0@:47.05298@:47.05298@:0@:0@:brace241@}
[114]
@{char@:brace number 291@:100@:5.7826@:0@:60.4154@:60.4154@:0@:0@:brace291@}
[100]
@{char@:brace number 349@:94@:6.93176@:0@:78.77213@:78.77213@:0@:0@:brace349@}
[94]
@{char@:brace number 292@:101@:5.80072@:0@:60.70453@:60.70453@:0@:0@:brace292@}
[101]
@{char@:brace number 166@:103@:3.91245@:0@:30.54514@:30.54514@:0@:0@:brace166@}
[103]
@{char@:brace number 242@:115@:4.96136@:0@:47.30028@:47.30028@:0@:0@:brace242@}
[115]
@{char@:brace number 127@:128@:3.46338@:0@:23.37381@:23.37381@:0@:0@:brace127@}
[128]
@{tnof@}) )
@{char@:brace number 350@:95@:6.95346@:0@:79.11871@:79.11871@:0@:0@:brace350@}
[95]
@{char@:brace number 293@:102@:5.81885@:0@:60.99457@:60.99457@:0@:0@:brace293@}
[102]
@{char@:brace number 167@:104@:3.92453@:0@:30.74077@:30.74077@:0@:0@:brace167@}
[104]
@{char@:brace number 243@:116@:4.97702@:0@:47.54834@:47.54834@:0@:0@:brace243@}
[116]
@{char@:brace number 294@:103@:5.83698@:0@:61.2855@:61.2855@:0@:0@:brace294@}
[103]
(some charht values had to be adjusted by as much as 0.29948pt)
(some chardp values had to be adjusted by as much as 0.29948pt)
Font metrics written on feta-braces-b.tfm.
64 output files written: feta-braces-b.65 .. feta-braces-b.128
Transcript written on feta-braces-b.log.

@{char@:brace number 351@:96@:6.97516@:0@:79.46638@:79.46638@:0@:0@:brace351@}
[96]
@{char@:brace number 295@:104@:5.85538@:0@:61.57736@:61.57736@:0@:0@:brace295@}
[104]
@{char@:brace number 168@:105@:3.93689@:0@:30.937@:30.937@:0@:0@:brace168@}
[105]
@{char@:brace number 244@:117@:4.9924@:0@:47.7972@:47.7972@:0@:0@:brace244@}
[117]
@{char@:brace number 352@:97@:6.99713@:0@:79.81514@:79.81514@:0@:0@:brace352@}
[97]
@{char@:brace number 296@:105@:5.8735@:0@:61.87013@:61.87013@:0@:0@:brace296@}
[105]
@{char@:brace number 245@:118@:5.00806@:0@:48.04681@:48.04681@:0@:0@:brace245@}
[118]
@{char@:brace number 353@:98@:7.0191@:0@:80.165@:80.165@:0@:0@:brace353@} [98]
@{char@:brace number 169@:106@:3.94925@:0@:31.13383@:31.13383@:0@:0@:brace169@}
[106]
@{char@:brace number 297@:106@:5.8919@:0@:62.1638@:62.1638@:0@:0@:brace297@}
[106]
@{char@:brace number 246@:119@:5.02371@:0@:48.29721@:48.29721@:0@:0@:brace246@}
[119]
@{char@:brace number 354@:99@:7.04108@:0@:80.51595@:80.51595@:0@:0@:brace354@}
[99]
@{char@:brace number 298@:107@:5.91031@:0@:62.4584@:62.4584@:0@:0@:brace298@}
[107]
@{char@:brace number 247@:120@:5.03964@:0@:48.5484@:48.5484@:0@:0@:brace247@}
[120]
@{char@:brace number 170@:107@:3.96161@:0@:31.3313@:31.3313@:0@:0@:brace170@}
[107]
@{char@:brace number 355@:100@:7.06305@:0@:80.868@:80.868@:0@:0@:brace355@}
[100]
@{char@:brace number 299@:108@:5.92899@:0@:62.75392@:62.75392@:0@:0@:brace299@}
[108]
@{char@:brace number 356@:101@:7.08502@:0@:81.22115@:81.22115@:0@:0@:brace356@}
[101]
@{char@:brace number 171@:108@:3.97397@:0@:31.52939@:31.52939@:0@:0@:brace171@}
[108]
@{char@:brace number 248@:121@:5.0553@:0@:48.80038@:48.80038@:0@:0@:brace248@}
[121]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-braces-b
    font_weight:               Medium
    font_identifier:           feta-braces-b40
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -25
    font_underline_thickness:  13
    font_name:                 feta-braces-b
    font_unique_id:            4424658
    font_size:                 39.8505603985056 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=25.09375; bpppix 0.02; nonstopmode; input feta-braces-b.mf'"...

@{char@:brace number 357@:102@:7.10727@:0@:81.5754@:81.5754@:0@:0@:brace357@}
[102]
@{char@:brace number 300@:109@:5.94739@:0@:63.05037@:63.05037@:0@:0@:brace300@}
[109]
@{char@:brace number 172@:109@:3.98633@:0@:31.72809@:31.72809@:0@:0@:brace172@}
[109]
@{char@:brace number 249@:122@:5.07123@:0@:49.05315@:49.05315@:0@:0@:brace249@}
[122]
@{char@:brace number 358@:103@:7.12952@:0@:81.93076@:81.93076@:0@:0@:brace358@}
[103]
@{char@:brace number 301@:110@:5.96606@:0@:63.34773@:63.34773@:0@:0@:brace301@}
[110]
@{char@:brace number 173@:110@:3.99896@:0@:31.9274@:31.9274@:0@:0@:brace173@}
[110]
@{char@:brace number 359@:104@:7.15176@:0@:82.28723@:82.28723@:0@:0@:brace359@}
[104]
@{char@:brace number 250@:123@:5.08716@:0@:49.3067@:49.3067@:0@:0@:brace250@}
[123]
@{char@:brace number 302@:111@:5.98474@:0@:63.64604@:63.64604@:0@:0@:brace302@}
[111]
@{char@:brace number 360@:105@:7.17429@:0@:82.64482@:82.64482@:0@:0@:brace360@}
[105]
@{char@:brace number 174@:111@:4.01132@:0@:32.12735@:32.12735@:0@:0@:brace174@}
[111]
@{char@:brace number 251@:124@:5.10309@:0@:49.56107@:49.56107@:0@:0@:brace251@}
[124]
@{char@:brace number 303@:112@:6.00342@:0@:63.94528@:63.94528@:0@:0@:brace303@}
[112]
@{char@:brace number 361@:106@:7.19681@:0@:83.00354@:83.00354@:0@:0@:brace361@}
[106]
@{char@:brace number 175@:112@:4.02396@:0@:32.32793@:32.32793@:0@:0@:brace175@}
[112]
@{char@:brace number 304@:113@:6.02237@:0@:64.24545@:64.24545@:0@:0@:brace304@}
[113]
@{char@:brace number 362@:107@:7.21933@:0@:83.36337@:83.36337@:0@:0@:brace362@}
[107]
@{char@:brace number 252@:125@:5.11902@:0@:49.81622@:49.81622@:0@:0@:brace252@}
[125]
@{char@:brace number 176@:113@:4.03659@:0@:32.52911@:32.52911@:0@:0@:brace176@}
[113]
@{char@:brace number 363@:108@:7.24185@:0@:83.72435@:83.72435@:0@:0@:brace363@}
[108]
@{char@:brace number 305@:114@:6.04105@:0@:64.54657@:64.54657@:0@:0@:brace305@}
[114]
@{char@:brace number 253@:126@:5.13495@:0@:50.07217@:50.07217@:0@:0@:brace253@}
[126]
@{char@:brace number 364@:109@:7.26465@:0@:84.08644@:84.08644@:0@:0@:brace364@}
[109]
@{char@:brace number 177@:114@:4.04922@:0@:32.73094@:32.73094@:0@:0@:brace177@}
[114]
@{char@:brace number 306@:115@:6.06@:0@:64.84862@:64.84862@:0@:0@:brace306@}
[115]
@{char@:brace number 254@:127@:5.15115@:0@:50.32892@:50.32892@:0@:0@:brace254@}
[127]
@{char@:brace number 365@:110@:7.28717@:0@:84.44968@:84.44968@:0@:0@:brace365@}
[110]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 178@:115@:4.06186@:0@:32.93341@:32.93341@:0@:0@:brace178@}
[115]
@{char@:brace number 366@:111@:7.30997@:0@:84.81403@:84.81403@:0@:0@:brace366@}
[111]
@{char@:brace number 307@:116@:6.07895@:0@:65.15163@:65.15163@:0@:0@:brace307@}
[116]
@{char@:brace number 255@:128@:5.16708@:0@:50.58647@:50.58647@:0@:0@:brace255@}
[128]
@{tnof@}) )(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 179@:116@:4.07477@:0@:33.1365@:33.1365@:0@:0@:brace179@}
[116]
@{char@:brace number 367@:112@:7.33304@:0@:85.17953@:85.17953@:0@:0@:brace367@}
[112]
@{char@:brace number 308@:117@:6.09818@:0@:65.45557@:65.45557@:0@:0@:brace308@}
[117]
(some charht values had to be adjusted by as much as 0.44682pt)
(some chardp values had to be adjusted by as much as 0.44682pt)
Font metrics written on feta-braces-d.tfm.
64 output files written: feta-braces-d.65 .. feta-braces-d.128
Transcript written on feta-braces-d.log.

@{char@:brace number 180@:117@:4.0874@:0@:33.34024@:33.34024@:0@:0@:brace180@}
[117]
@{char@:brace number 368@:113@:7.35583@:0@:85.54619@:85.54619@:0@:0@:brace368@}
[113]
@{char@:brace number 309@:118@:6.11713@:0@:65.76048@:65.76048@:0@:0@:brace309@}
[118]
@{char@:brace number 369@:114@:7.3789@:0@:85.91397@:85.91397@:0@:0@:brace369@}
[114]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 181@:118@:4.10031@:0@:33.5446@:33.5446@:0@:0@:brace181@}
[118]
@{char@:brace number 310@:119@:6.13635@:0@:66.06633@:66.06633@:0@:0@:brace310@}
[119]
@{char@:brace number 370@:115@:7.40198@:0@:86.28291@:86.28291@:0@:0@:brace370@}
[115]
@{char@:brace number 182@:119@:4.11295@:0@:33.74962@:33.74962@:0@:0@:brace182@}
[119])
@{char@:brace number 311@:120@:6.15558@:0@:66.37315@:66.37315@:0@:0@:brace311@}
[120]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-b.mf
@{char@:brace number 183@:120@:4.12585@:0@:33.95528@:33.95528@:0@:0@:brace183@}
[120]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
@{char@:brace number 371@:116@:7.42532@:0@:86.65302@:86.65302@:0@:0@:brace371@}
[116]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:brace number 312@:121@:6.1748@:0@:66.68092@:66.68092@:0@:0@:brace312@}
[121]
@{char@:brace number 184@:121@:4.13876@:0@:34.16156@:34.16156@:0@:0@:brace184@}
[121]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:brace number 372@:117@:7.4484@:0@:87.02429@:87.02429@:0@:0@:brace372@}
[117]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-braces-d
    font_weight:               Medium
    font_identifier:           feta-braces-d80
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -13
    font_underline_thickness:  6
    font_name:                 feta-braces-d
    font_unique_id:            4880438
    font_size:                 79.7011207970112 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=12.546875; bpppix 0.02; nonstopmode; input feta-braces-d.mf'"...
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:brace number 313@:122@:6.19403@:0@:66.98967@:66.98967@:0@:0@:brace313@}
[122]
@{char@:brace number 185@:122@:4.15167@:0@:34.3685@:34.3685@:0@:0@:brace185@}
[122]
@{char@:brace number 373@:118@:7.47174@:0@:87.39671@:87.39671@:0@:0@:brace373@}
[118])
@{char@:brace number 314@:123@:6.21353@:0@:67.29936@:67.29936@:0@:0@:brace314@}
[123]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 186@:123@:4.16486@:0@:34.57608@:34.57608@:0@:0@:brace186@}
[123]
@{char@:brace number 374@:119@:7.49509@:0@:87.7703@:87.7703@:0@:0@:brace374@}
[119]
@{char@:brace number 187@:124@:4.17776@:0@:34.78433@:34.78433@:0@:0@:brace187@}
[124]
@{char@:brace number 315@:124@:6.23303@:0@:67.61005@:67.61005@:0@:0@:brace315@}
[124]
@{char@:brace number 375@:120@:7.5187@:0@:88.14505@:88.14505@:0@:0@:brace375@}
[120]
@{char@:brace number 188@:125@:4.19095@:0@:34.99321@:34.99321@:0@:0@:brace188@}
[125])
@{char@:brace number 376@:121@:7.54205@:0@:88.521@:88.521@:0@:0@:brace376@}
[121]
@{char@:brace number 316@:125@:6.25253@:0@:67.92169@:67.92169@:0@:0@:brace316@}
[125]
@{char@:brace number 189@:126@:4.20413@:0@:35.20276@:35.20276@:0@:0@:brace189@}
[126]
@{char@:brace number 377@:122@:7.56567@:0@:88.8981@:88.8981@:0@:0@:brace377@}
[122]
@{font@:GNU@:LilyPond@:feta-braces-b@:40@:fetaBraces@}
@{char@:brace number 64@:65@:2.8443@:0@:13.48654@:13.48654@:0@:0@:brace64@}
[65]
@{char@:brace number 317@:126@:6.27203@:0@:68.23433@:68.23433@:0@:0@:brace317@}
[126]
@{char@:brace number 190@:127@:4.21704@:0@:35.41296@:35.41296@:0@:0@:brace190@}
[127]
@{char@:brace number 378@:123@:7.58957@:0@:89.27638@:89.27638@:0@:0@:brace378@}
[123]
@{char@:brace number 191@:128@:4.23022@:0@:35.62383@:35.62383@:0@:0@:brace191@}
[128]
@{tnof@}) )
@{char@:brace number 318@:127@:6.29181@:0@:68.54793@:68.54793@:0@:0@:brace318@}
[127]
@{char@:brace number 65@:66@:2.85336@:0@:13.62875@:13.62875@:0@:0@:brace65@}
[66]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 379@:124@:7.61319@:0@:89.65585@:89.65585@:0@:0@:brace379@}
[124](./mf2pt1.mp
(some charht values had to be adjusted by as much as 0.36583pt)
(some chardp values had to be adjusted by as much as 0.36583pt)
Font metrics written on feta-braces-c.tfm.
64 output files written: feta-braces-c.65 .. feta-braces-c.128
Transcript written on feta-braces-c.log.

@{char@:brace number 319@:128@:6.31131@:0@:68.86252@:68.86252@:0@:0@:brace319@}
[128]
@{tnof@}) ) (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 380@:125@:7.63708@:0@:90.03651@:90.03651@:0@:0@:brace380@}
[125]
(some charht values had to be adjusted by as much as 0.54578pt)
(some chardp values had to be adjusted by as much as 0.54578pt)
Font metrics written on feta-braces-e.tfm.
64 output files written: feta-braces-e.65 .. feta-braces-e.128
Transcript written on feta-braces-e.log.

@{char@:brace number 381@:126@:7.66098@:0@:90.41837@:90.41837@:0@:0@:brace381@}
[126]
@{char@:brace number 66@:67@:2.86215@:0@:13.77142@:13.77142@:0@:0@:brace66@}
[67]
@{char@:brace number 382@:127@:7.68488@:0@:90.80142@:90.80142@:0@:0@:brace382@}
[127]
@{char@:brace number 67@:68@:2.87122@:0@:13.91452@:13.91452@:0@:0@:brace67@}
[68]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 383@:128@:7.70905@:0@:91.18567@:91.18567@:0@:0@:brace383@}
[128]
@{tnof@}) )
@{char@:brace number 68@:69@:2.88028@:0@:14.05809@:14.05809@:0@:0@:brace68@}
[69])
(some charht values had to be adjusted by as much as 0.66663pt)
(some chardp values had to be adjusted by as much as 0.66663pt)
Font metrics written on feta-braces-f.tfm.
64 output files written: feta-braces-f.65 .. feta-braces-f.128
Transcript written on feta-braces-f.log.

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-d.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
@{char@:brace number 69@:70@:2.88907@:0@:14.2021@:14.2021@:0@:0@:brace69@}
[70]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan11.pt1 parmesan11.pfb"...

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:brace number 70@:71@:2.89813@:0@:14.34656@:14.34656@:0@:0@:brace70@}
[71] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:brace number 71@:72@:2.9072@:0@:14.49146@:14.49146@:0@:0@:brace71@}
[72])
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-braces-e
    font_weight:               Medium
    font_identifier:           feta-braces-e100
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -10
    font_underline_thickness:  5
    font_name:                 feta-braces-e
    font_unique_id:            4100341
    font_size:                 99.626400996264 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=10.0375; bpppix 0.02; nonstopmode; input feta-braces-e.mf'"...

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 72@:73@:2.91626@:0@:14.63683@:14.63683@:0@:0@:brace72@}
[73]
@{char@:brace number 73@:74@:2.9256@:0@:14.78264@:14.78264@:0@:0@:brace73@}
[74])
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-braces-c
    font_weight:               Medium
    font_identifier:           feta-braces-c60
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -17
    font_underline_thickness:  8
    font_name:                 feta-braces-c
    font_unique_id:            4487262
    font_size:                 59.7758405977584 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=16.7291666666667; bpppix 0.02; nonstopmode; input feta-braces-c.mf'"...

@{char@:brace number 74@:75@:2.93466@:0@:14.92891@:14.92891@:0@:0@:brace74@}
[75]
@{font@:GNU@:LilyPond@:feta-braces-d@:80@:fetaBraces@}
@{char@:brace number 192@:65@:4.24368@:0@:35.83533@:35.83533@:0@:0@:brace192@}
[65]
@{char@:brace number 193@:66@:4.25687@:0@:36.04752@:36.04752@:0@:0@:brace193@}
[66]
@{char@:brace number 75@:76@:2.944@:0@:15.07565@:15.07565@:0@:0@:brace75@}
[76]
@{char@:brace number 194@:67@:4.27032@:0@:36.26036@:36.26036@:0@:0@:brace194@}
[67]
Invoking "fontforge -script parmesan11.pe parmesan11.pfb"...

@{char@:brace number 195@:68@:4.28351@:0@:36.47388@:36.47388@:0@:0@:brace195@}
[68]
@{char@:brace number 76@:77@:2.95306@:0@:15.22285@:15.22285@:0@:0@:brace76@}
[77]
@{char@:brace number 196@:69@:4.29697@:0@:36.68805@:36.68805@:0@:0@:brace196@}
[69]
@{char@:brace number 77@:78@:2.9624@:0@:15.3705@:15.3705@:0@:0@:brace77@} [78]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 197@:70@:4.31042@:0@:36.9029@:36.9029@:0@:0@:brace197@}
[70](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 78@:79@:2.97147@:0@:15.51862@:15.51862@:0@:0@:brace78@}
[79]
@{char@:brace number 198@:71@:4.32388@:0@:37.11842@:37.11842@:0@:0@:brace198@}
[71]
@{char@:brace number 79@:80@:2.9808@:0@:15.66719@:15.66719@:0@:0@:brace79@}
[80]
@{char@:brace number 199@:72@:4.33734@:0@:37.33461@:37.33461@:0@:0@:brace199@}
[72]
@{char@:brace number 80@:81@:2.99014@:0@:15.81624@:15.81624@:0@:0@:brace80@}
[81]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 200@:73@:4.35107@:0@:37.55148@:37.55148@:0@:0@:brace200@}
[73](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 201@:74@:4.36453@:0@:37.76903@:37.76903@:0@:0@:brace201@}
[74]
@{char@:brace number 81@:82@:2.99948@:0@:15.96574@:15.96574@:0@:0@:brace81@}
[82])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-e.mf
@{char@:brace number 202@:75@:4.37827@:0@:37.98726@:37.98726@:0@:0@:brace202@}
[75]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
@{char@:brace number 82@:83@:3.0091@:0@:16.1157@:16.1157@:0@:0@:brace82@} [83]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:brace number 203@:76@:4.392@:0@:38.20616@:38.20616@:0@:0@:brace203@}
[76]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:brace number 83@:84@:3.01843@:0@:16.26616@:16.26616@:0@:0@:brace83@}
[84]
@{char@:brace number 204@:77@:4.40573@:0@:38.42577@:38.42577@:0@:0@:brace204@}
[77]))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 205@:78@:4.41946@:0@:38.64604@:38.64604@:0@:0@:brace205@}
[78]
@{char@:brace number 84@:85@:3.02777@:0@:16.41708@:16.41708@:0@:0@:brace84@}
[85]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-c.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
@{char@:brace number 206@:79@:4.43347@:0@:38.86702@:38.86702@:0@:0@:brace206@}
[79]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf)
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:brace number 85@:86@:3.03738@:0@:16.56848@:16.56848@:0@:0@:brace85@}
[86] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:brace number 207@:80@:4.4472@:0@:39.08868@:39.08868@:0@:0@:brace207@}
[80]
@{char@:brace number 208@:81@:4.46121@:0@:39.31105@:39.31105@:0@:0@:brace208@}
[81])
@{char@:brace number 86@:87@:3.04672@:0@:16.72035@:16.72035@:0@:0@:brace86@}
[87]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{font@:GNU@:LilyPond@:feta-braces-e@:100@:fetaBraces@}
@{char@:brace number 256@:65@:5.18329@:0@:50.84483@:50.84483@:0@:0@:brace256@}
[65]
@{char@:brace number 209@:82@:4.47522@:0@:39.5341@:39.5341@:0@:0@:brace209@}
[82]
@{char@:brace number 87@:88@:3.05634@:0@:16.87268@:16.87268@:0@:0@:brace87@}
[88])
@{char@:brace number 257@:66@:5.1995@:0@:51.10399@:51.10399@:0@:0@:brace257@}
[66]
@{char@:brace number 210@:83@:4.48923@:0@:39.75787@:39.75787@:0@:0@:brace210@}
[83]
@{char@:brace number 88@:89@:3.06595@:0@:17.0255@:17.0255@:0@:0@:brace88@}
[89]
@{char@:brace number 211@:84@:4.50323@:0@:39.98233@:39.98233@:0@:0@:brace211@}
[84]
@{char@:brace number 258@:67@:5.2157@:0@:51.36397@:51.36397@:0@:0@:brace258@}
[67]
@{char@:brace number 89@:90@:3.07556@:0@:17.1788@:17.1788@:0@:0@:brace89@}
[90]
@{char@:brace number 212@:85@:4.51724@:0@:40.20749@:40.20749@:0@:0@:brace212@}
[85]
@{font@:GNU@:LilyPond@:feta-braces-c@:60@:fetaBraces@}
@{char@:brace number 128@:65@:3.47437@:0@:23.54698@:23.54698@:0@:0@:brace128@}
[65]
@{char@:brace number 259@:68@:5.23218@:0@:51.62476@:51.62476@:0@:0@:brace259@}
[68]
@{char@:brace number 90@:91@:3.08517@:0@:17.33258@:17.33258@:0@:0@:brace90@}
[91]
@{char@:brace number 213@:86@:4.53152@:0@:40.43335@:40.43335@:0@:0@:brace213@}
[86]
@{char@:brace number 260@:69@:5.24866@:0@:51.88637@:51.88637@:0@:0@:brace260@}
[69]
@{char@:brace number 129@:66@:3.48508@:0@:23.7207@:23.7207@:0@:0@:brace129@}
[66]
@{char@:brace number 91@:92@:3.09479@:0@:17.48683@:17.48683@:0@:0@:brace91@}
[92]
@{char@:brace number 214@:87@:4.54553@:0@:40.65993@:40.65993@:0@:0@:brace214@}
[87]
@{char@:brace number 261@:70@:5.26486@:0@:52.1488@:52.1488@:0@:0@:brace261@}
[70]
@{char@:brace number 130@:67@:3.49606@:0@:23.89496@:23.89496@:0@:0@:brace130@}
[67]
@{char@:brace number 92@:93@:3.1044@:0@:17.64157@:17.64157@:0@:0@:brace92@}
[93]
@{char@:brace number 215@:88@:4.55981@:0@:40.8872@:40.8872@:0@:0@:brace215@}
[88]
@{char@:brace number 131@:68@:3.50705@:0@:24.06976@:24.06976@:0@:0@:brace131@}
[68]
@{char@:brace number 262@:71@:5.28134@:0@:52.41205@:52.41205@:0@:0@:brace262@}
[71]
@{char@:brace number 216@:89@:4.5741@:0@:41.1152@:41.1152@:0@:0@:brace216@}
[89]
@{char@:brace number 93@:94@:3.11429@:0@:17.7968@:17.7968@:0@:0@:brace93@}
[94]
@{char@:brace number 132@:69@:3.51804@:0@:24.24512@:24.24512@:0@:0@:brace132@}
[69]
@{char@:brace number 263@:72@:5.2981@:0@:52.67612@:52.67612@:0@:0@:brace263@}
[72]
@{char@:brace number 217@:90@:4.58838@:0@:41.3439@:41.3439@:0@:0@:brace217@}
[90]
@{char@:brace number 94@:95@:3.1239@:0@:17.95251@:17.95251@:0@:0@:brace94@}
[95]
@{char@:brace number 133@:70@:3.52902@:0@:24.42102@:24.42102@:0@:0@:brace133@}
[70]
@{char@:brace number 218@:91@:4.60294@:0@:41.57332@:41.57332@:0@:0@:brace218@}
[91]
@{char@:brace number 264@:73@:5.31458@:0@:52.94102@:52.94102@:0@:0@:brace264@}
[73]
@{char@:brace number 134@:71@:3.54001@:0@:24.59747@:24.59747@:0@:0@:brace134@}
[71]
@{char@:brace number 95@:96@:3.13379@:0@:18.1087@:18.1087@:0@:0@:brace95@}
[96]
@{char@:brace number 219@:92@:4.61722@:0@:41.80347@:41.80347@:0@:0@:brace219@}
[92]
@{char@:brace number 265@:74@:5.33133@:0@:53.20676@:53.20676@:0@:0@:brace265@}
[74]
@{char@:brace number 220@:93@:4.63177@:0@:42.03433@:42.03433@:0@:0@:brace220@}
[93]
@{char@:brace number 96@:97@:3.14368@:0@:18.2654@:18.2654@:0@:0@:brace96@}
[97]
@{char@:brace number 135@:72@:3.551@:0@:24.77448@:24.77448@:0@:0@:brace135@}
[72]
@{char@:brace number 266@:75@:5.34781@:0@:53.47331@:53.47331@:0@:0@:brace266@}
[75]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-braces-f
    font_weight:               Medium
    font_identifier:           feta-braces-f120
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -8
    font_underline_thickness:  4
    font_name:                 feta-braces-f
    font_unique_id:            4762324
    font_size:                 119.551681195517 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=8.36458333333333; bpppix 0.02; nonstopmode; input feta-braces-f.mf'"...

@{char@:brace number 221@:94@:4.64633@:0@:42.26591@:42.26591@:0@:0@:brace221@}
[94]
@{char@:brace number 97@:98@:3.15329@:0@:18.42258@:18.42258@:0@:0@:brace97@}
[98]
@{char@:brace number 267@:76@:5.36456@:0@:53.7407@:53.7407@:0@:0@:brace267@}
[76]
@{char@:brace number 136@:73@:3.56226@:0@:24.95203@:24.95203@:0@:0@:brace136@}
[73]
@{char@:brace number 222@:95@:4.66089@:0@:42.49823@:42.49823@:0@:0@:brace222@}
[95]
@{char@:brace number 98@:99@:3.16318@:0@:18.58025@:18.58025@:0@:0@:brace98@}
[99]
@{char@:brace number 268@:77@:5.38132@:0@:54.00893@:54.00893@:0@:0@:brace268@}
[77]
@{char@:brace number 137@:74@:3.57324@:0@:25.13014@:25.13014@:0@:0@:brace137@}
[74]
@{char@:brace number 223@:96@:4.67545@:0@:42.73128@:42.73128@:0@:0@:brace223@}
[96]
@{char@:brace number 99@:100@:3.17307@:0@:18.7384@:18.7384@:0@:0@:brace99@}
[100]
@{char@:brace number 269@:78@:5.39835@:0@:54.278@:54.278@:0@:0@:brace269@}
[78]
@{char@:brace number 224@:97@:4.69@:0@:42.96506@:42.96506@:0@:0@:brace224@}
[97]
@{char@:brace number 138@:75@:3.5845@:0@:25.3088@:25.3088@:0@:0@:brace138@}
[75]
@{char@:brace number 100@:101@:3.18323@:0@:18.89705@:18.89705@:0@:0@:brace100@}
[101]
@{char@:brace number 270@:79@:5.4151@:0@:54.54791@:54.54791@:0@:0@:brace270@}
[79]
@{char@:brace number 225@:98@:4.70456@:0@:43.19955@:43.19955@:0@:0@:brace225@}
[98]
@{char@:brace number 139@:76@:3.59576@:0@:25.48802@:25.48802@:0@:0@:brace139@}
[76]
@{char@:brace number 101@:102@:3.19312@:0@:19.05621@:19.05621@:0@:0@:brace101@}
[102]
@{char@:brace number 271@:80@:5.43213@:0@:54.81866@:54.81866@:0@:0@:brace271@}
[80]
@{char@:brace number 226@:99@:4.71939@:0@:43.43478@:43.43478@:0@:0@:brace226@}
[99]
@{char@:brace number 140@:77@:3.60703@:0@:25.66782@:25.66782@:0@:0@:brace140@}
[77]
@{char@:brace number 227@:100@:4.73422@:0@:43.67075@:43.67075@:0@:0@:brace227@}
[100]
@{char@:brace number 102@:103@:3.203@:0@:19.21587@:19.21587@:0@:0@:brace102@}
[103]
@{char@:brace number 272@:81@:5.44916@:0@:55.09027@:55.09027@:0@:0@:brace272@}
[81]
@{char@:brace number 141@:78@:3.61829@:0@:25.84816@:25.84816@:0@:0@:brace141@}
[78]
@{char@:brace number 228@:101@:4.74905@:0@:43.90746@:43.90746@:0@:0@:brace228@}
[101]
@{char@:brace number 103@:104@:3.21317@:0@:19.37602@:19.37602@:0@:0@:brace103@}
[104]
@{char@:brace number 273@:82@:5.46619@:0@:55.36273@:55.36273@:0@:0@:brace273@}
[82]
@{char@:brace number 229@:102@:4.76389@:0@:44.14491@:44.14491@:0@:0@:brace229@}
[102]
@{char@:brace number 142@:79@:3.62955@:0@:26.02908@:26.02908@:0@:0@:brace142@}
[79]
@{char@:brace number 230@:103@:4.77872@:0@:44.3831@:44.3831@:0@:0@:brace230@}
[103]
@{char@:brace number 143@:80@:3.64108@:0@:26.21056@:26.21056@:0@:0@:brace143@}
[80]
@{char@:brace number 104@:105@:3.22305@:0@:19.53668@:19.53668@:0@:0@:brace104@}
[105]
@{char@:brace number 274@:83@:5.48322@:0@:55.63605@:55.63605@:0@:0@:brace274@}
[83]
@{char@:brace number 231@:104@:4.79382@:0@:44.62204@:44.62204@:0@:0@:brace231@}
[104]
@{char@:brace number 144@:81@:3.65234@:0@:26.39261@:26.39261@:0@:0@:brace144@}
[81]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:brace number 275@:84@:5.50052@:0@:55.9102@:55.9102@:0@:0@:brace275@}
[84]
@{char@:brace number 232@:105@:4.80865@:0@:44.86174@:44.86174@:0@:0@:brace232@}
[105]
@{char@:brace number 145@:82@:3.66388@:0@:26.57523@:26.57523@:0@:0@:brace145@}
[82]
@{char@:brace number 276@:85@:5.51755@:0@:56.18523@:56.18523@:0@:0@:brace276@}
[85]
@{char@:brace number 105@:106@:3.23322@:0@:19.69783@:19.69783@:0@:0@:brace105@}
[106]
@{char@:brace number 233@:106@:4.82376@:0@:45.10217@:45.10217@:0@:0@:brace233@}
[106]
@{char@:brace number 146@:83@:3.67542@:0@:26.75842@:26.75842@:0@:0@:brace146@}
[83]
@{char@:brace number 277@:86@:5.53485@:0@:56.4611@:56.4611@:0@:0@:brace277@}
[86]
@{char@:brace number 234@:107@:4.83887@:0@:45.34335@:45.34335@:0@:0@:brace234@}
[107]
@{char@:brace number 106@:107@:3.24338@:0@:19.8595@:19.8595@:0@:0@:brace106@}
[107]
@{char@:brace number 147@:84@:3.68695@:0@:26.9422@:26.9422@:0@:0@:brace147@}
[84]
@{char@:brace number 278@:87@:5.55215@:0@:56.73785@:56.73785@:0@:0@:brace278@}
[87]
@{char@:brace number 235@:108@:4.85397@:0@:45.5853@:45.5853@:0@:0@:brace235@}
[108]
@{char@:brace number 107@:108@:3.25354@:0@:20.02167@:20.02167@:0@:0@:brace107@}
[108]
@{char@:brace number 148@:85@:3.69849@:0@:27.12654@:27.12654@:0@:0@:brace148@}
[85]
@{char@:brace number 279@:88@:5.56973@:0@:57.01546@:57.01546@:0@:0@:brace279@}
[88]Failed to change locale.

@{char@:brace number 236@:109@:4.86935@:0@:45.828@:45.828@:0@:0@:brace236@}
[109]
@{char@:brace number 280@:89@:5.58704@:0@:57.29395@:57.29395@:0@:0@:brace280@}
[89]
@{char@:brace number 108@:109@:3.2637@:0@:20.18434@:20.18434@:0@:0@:brace108@}
[109]
@{char@:brace number 149@:86@:3.71002@:0@:27.31146@:27.31146@:0@:0@:brace149@}
[86]
@{char@:brace number 237@:110@:4.88446@:0@:46.07147@:46.07147@:0@:0@:brace237@}
[110]
@{char@:brace number 281@:90@:5.60461@:0@:57.5733@:57.5733@:0@:0@:brace281@}
[90]
@{char@:brace number 109@:110@:3.27386@:0@:20.34752@:20.34752@:0@:0@:brace109@}
[110]
@{char@:brace number 238@:111@:4.89984@:0@:46.31569@:46.31569@:0@:0@:brace238@}
[111]
@{char@:brace number 150@:87@:3.72156@:0@:27.49696@:27.49696@:0@:0@:brace150@}
[87]
@{char@:brace number 282@:91@:5.6222@:0@:57.85353@:57.85353@:0@:0@:brace282@}
[91]
@{char@:brace number 110@:111@:3.2843@:0@:20.51122@:20.51122@:0@:0@:brace110@}
[111]
@{char@:brace number 239@:112@:4.91522@:0@:46.56068@:46.56068@:0@:0@:brace239@}
[112]
@{char@:brace number 283@:92@:5.63977@:0@:58.13464@:58.13464@:0@:0@:brace283@}
[92]
@{char@:brace number 151@:88@:3.7331@:0@:27.68304@:27.68304@:0@:0@:brace151@}
[88]
@{char@:brace number 240@:113@:4.9306@:0@:46.80644@:46.80644@:0@:0@:brace240@}
[113]
@{char@:brace number 284@:93@:5.65735@:0@:58.41663@:58.41663@:0@:0@:brace284@}
[93]
@{char@:brace number 111@:112@:3.29446@:0@:20.67543@:20.67543@:0@:0@:brace111@}
[112]
@{char@:brace number 241@:114@:4.94598@:0@:47.05298@:47.05298@:0@:0@:brace241@}
[114]
@{char@:brace number 152@:89@:3.7449@:0@:27.8697@:27.8697@:0@:0@:brace152@}
[89]
@{char@:brace number 285@:94@:5.6752@:0@:58.6995@:58.6995@:0@:0@:brace285@}
[94]
@{char@:brace number 242@:115@:4.96136@:0@:47.30028@:47.30028@:0@:0@:brace242@}
[115]
@{char@:brace number 286@:95@:5.69278@:0@:58.98326@:58.98326@:0@:0@:brace286@}
[95]
@{char@:brace number 153@:90@:3.75671@:0@:28.05695@:28.05695@:0@:0@:brace153@}
[90]
@{char@:brace number 112@:113@:3.3049@:0@:20.84016@:20.84016@:0@:0@:brace112@}
[113]Internal Error (overlap) in rests.2neomensural: monotonic is both needed and unneeded (30.5908,124.999)->(-0.00097655,162.148). x=-0.000976553 (prev=60.4092)
Internal Error (overlap) in rests.2neomensural: Winding number did not return to 0 when x=-0.000976553
Internal Error (overlap) in rests.2neomensural: monotonic is both needed and unneeded (30.5908,124.999)->(-0.00097655,162.148). x=-0.000976553 (prev=60.4092)
Internal Error (overlap) in rests.2neomensural: Winding number did not return to 0 when x=-0.000976553
Internal Error (overlap) in rests.2neomensural: monotonic is both needed and unneeded (-0.000976562,162.148)->(75.7051,162.148). x=-0.000976559 (prev=60.4092)
Internal Error (overlap) in rests.2neomensural: monotonic is both needed and unneeded (-0.00097655,162.148)->(-0.000976562,162.149). x=-0.000976559 (prev=162.149)
Internal Error (overlap) in rests.2neomensural: monotonic is both needed and unneeded (-0.000976562,162.149)->(37.772,200.014). x=-0.000976559 (prev=162.149)
Internal Error (overlap) in rests.2neomensural: Winding number did not return to 0 when x=-0.000976559
Internal Error (overlap) in rests.2neomensural: monotonic is both needed and unneeded (30.5908,124.999)->(-0.00097655,162.148). x=-0.000976553 (prev=60.4092)
Internal Error (overlap) in rests.2neomensural: monotonic is both needed and unneeded (0,37.8535)->(-0.000976562,162.148). x=-0.000976553 (prev=68.9242)
Internal Error (overlap) in rests.2neomensural: monotonic is both needed and unneeded (-0.00097655,162.148)->(-0.000976562,162.149). x=-0.000976553 (prev=162.149)

@{char@:brace number 243@:116@:4.97702@:0@:47.54834@:47.54834@:0@:0@:brace243@}
[116]Internal Error (overlap) in rests.2neomensural: monotonic is both needed and unneeded (-0.000976562,162.149)->(37.772,200.014). x=-0.000976553 (prev=162.149)
Internal Error (overlap) in rests.2neomensural: Winding number did not return to 0 when x=-0.000976553
Internal Error (overlap) in rests.2neomensural: couldn't find a needed exit from an intersection
Internal Error (overlap) in rests.2neomensural: Humph. This monotonic leads nowhere (37.772,200.014)->(45.1133,199.299).
Internal Error (overlap) in rests.2neomensural: couldn't find a needed exit from an intersection

@{char@:brace number 287@:96@:5.71063@:0@:59.2679@:59.2679@:0@:0@:brace287@}
[96]
@{char@:brace number 154@:91@:3.76825@:0@:28.24478@:28.24478@:0@:0@:brace154@}
[91]
@{char@:brace number 113@:114@:3.31506@:0@:21.0054@:21.0054@:0@:0@:brace113@}
[114]
@{char@:brace number 244@:117@:4.9924@:0@:47.7972@:47.7972@:0@:0@:brace244@}
[117]
@{char@:brace number 288@:97@:5.72849@:0@:59.55342@:59.55342@:0@:0@:brace288@}
[97]
@{char@:brace number 155@:92@:3.78006@:0@:28.4332@:28.4332@:0@:0@:brace155@}
[92]
@{char@:brace number 114@:115@:3.3255@:0@:21.17116@:21.17116@:0@:0@:brace114@}
[115]Internal Error (overlap) in clefs.neomensural.c_change: Winding number did not return to 0 when x=448.453
Internal Error (overlap) in clefs.neomensural.c_change: monotonic is both needed and unneeded (469.651,181.764)->(490.849,160.567). x=477.146 (prev=448.453)
Internal Error (overlap) in clefs.neomensural.c_change: monotonic is both needed and unneeded (469.651,400.002)->(484.641,394.781). x=477.146 (prev=448.453)
Internal Error (overlap) in clefs.neomensural.c_change: monotonic is both needed and unneeded (448.453,160.567)->(448.453,382.178). y=281.971 (prev=448.453)
Internal Error (overlap) in clefs.neomensural.c_change: monotonic is both needed and unneeded (490.85,382.178)->(490.849,160.567). y=281.971 (prev=448.453)
Internal Error (overlap) in clefs.neomensural.c_change: Winding number did not return to 0 when x=448.453
Internal Error (overlap) in clefs.neomensural.c_change: Winding number did not return to 0 when x=448.453
Internal Error (overlap) in clefs.neomensural.c_change: Winding number did not return to 0 when x=448.453
Internal Error (overlap) in clefs.neomensural.c_change: Winding number did not return to 0 when x=448.453
Internal Error (overlap) in clefs.neomensural.c_change: Humph. This monotonic leads nowhere (448.453,160.567)->(448.453,160.567).
Internal Error (overlap) in clefs.neomensural.c_change: couldn't find a needed exit from an intersection

@{char@:brace number 245@:118@:5.00806@:0@:48.04681@:48.04681@:0@:0@:brace245@}
[118]
@{char@:brace number 156@:93@:3.79187@:0@:28.62221@:28.62221@:0@:0@:brace156@}
[93]
@{char@:brace number 289@:98@:5.74661@:0@:59.83984@:59.83984@:0@:0@:brace289@}
[98]
@{char@:brace number 115@:116@:3.33594@:0@:21.33743@:21.33743@:0@:0@:brace115@}
[116]
@{char@:brace number 246@:119@:5.02371@:0@:48.29721@:48.29721@:0@:0@:brace246@}
[119]
@{char@:brace number 290@:99@:5.76447@:0@:60.12718@:60.12718@:0@:0@:brace290@}
[99]
@{char@:brace number 157@:94@:3.80396@:0@:28.8118@:28.8118@:0@:0@:brace157@}
[94]
@{char@:brace number 116@:117@:3.34637@:0@:21.50423@:21.50423@:0@:0@:brace116@}
[117]
@{char@:brace number 291@:100@:5.7826@:0@:60.4154@:60.4154@:0@:0@:brace291@}
[100]
@{char@:brace number 117@:118@:3.35681@:0@:21.67155@:21.67155@:0@:0@:brace117@}
[118]
@{char@:brace number 158@:95@:3.81577@:0@:29.002@:29.002@:0@:0@:brace158@}
[95]
@{char@:brace number 247@:120@:5.03964@:0@:48.5484@:48.5484@:0@:0@:brace247@}
[120]
@{char@:brace number 292@:101@:5.80072@:0@:60.70453@:60.70453@:0@:0@:brace292@}
[101]
@{char@:brace number 118@:119@:3.36725@:0@:21.83939@:21.83939@:0@:0@:brace118@}
[119]
@{char@:brace number 248@:121@:5.0553@:0@:48.80038@:48.80038@:0@:0@:brace248@}
[121]
@{char@:brace number 159@:96@:3.82785@:0@:29.19278@:29.19278@:0@:0@:brace159@}
[96]
@{char@:brace number 293@:102@:5.81885@:0@:60.99457@:60.99457@:0@:0@:brace293@}
[102]
@{char@:brace number 249@:122@:5.07123@:0@:49.05315@:49.05315@:0@:0@:brace249@}
[122]
@{char@:brace number 160@:97@:3.83966@:0@:29.38417@:29.38417@:0@:0@:brace160@}
[97]
@{char@:brace number 119@:120@:3.37796@:0@:22.00775@:22.00775@:0@:0@:brace119@}
[120]
@{char@:brace number 294@:103@:5.83698@:0@:61.2855@:61.2855@:0@:0@:brace294@}
[103]
@{char@:brace number 250@:123@:5.08716@:0@:49.3067@:49.3067@:0@:0@:brace250@}
[123]
@{char@:brace number 161@:98@:3.85175@:0@:29.57616@:29.57616@:0@:0@:brace161@}
[98]
@{char@:brace number 295@:104@:5.85538@:0@:61.57736@:61.57736@:0@:0@:brace295@}
[104]
@{char@:brace number 120@:121@:3.3884@:0@:22.17665@:22.17665@:0@:0@:brace120@}
[121]
@{char@:brace number 251@:124@:5.10309@:0@:49.56107@:49.56107@:0@:0@:brace251@}
[124]
@{char@:brace number 296@:105@:5.8735@:0@:61.87013@:61.87013@:0@:0@:brace296@}
[105]
@{char@:brace number 121@:122@:3.39911@:0@:22.34607@:22.34607@:0@:0@:brace121@}
[122]
@{char@:brace number 252@:125@:5.11902@:0@:49.81622@:49.81622@:0@:0@:brace252@}
[125]
@{char@:brace number 162@:99@:3.86383@:0@:29.76875@:29.76875@:0@:0@:brace162@}
[99]
@{char@:brace number 297@:106@:5.8919@:0@:62.1638@:62.1638@:0@:0@:brace297@}
[106]
@{char@:brace number 253@:126@:5.13495@:0@:50.07217@:50.07217@:0@:0@:brace253@}
[126]
@{char@:brace number 122@:123@:3.40982@:0@:22.51602@:22.51602@:0@:0@:brace122@}
[123]
@{char@:brace number 163@:100@:3.87592@:0@:29.96194@:29.96194@:0@:0@:brace163@}
[100]
@{char@:brace number 298@:107@:5.91031@:0@:62.4584@:62.4584@:0@:0@:brace298@}
[107]
@{char@:brace number 123@:124@:3.42026@:0@:22.68652@:22.68652@:0@:0@:brace123@}
[124]
@{char@:brace number 254@:127@:5.15115@:0@:50.32892@:50.32892@:0@:0@:brace254@}
[127]
@{char@:brace number 299@:108@:5.92899@:0@:62.75392@:62.75392@:0@:0@:brace299@}
[108]
@{char@:brace number 164@:101@:3.888@:0@:30.15573@:30.15573@:0@:0@:brace164@}
[101]
@{char@:brace number 124@:125@:3.43097@:0@:22.85753@:22.85753@:0@:0@:brace124@}
[125]
@{char@:brace number 300@:109@:5.94739@:0@:63.05037@:63.05037@:0@:0@:brace300@}
[109]
@{char@:brace number 165@:102@:3.90009@:0@:30.35013@:30.35013@:0@:0@:brace165@}
[102]
@{char@:brace number 255@:128@:5.16708@:0@:50.58647@:50.58647@:0@:0@:brace255@}
[128]
@{tnof@}) )
@{char@:brace number 125@:126@:3.44196@:0@:23.02908@:23.02908@:0@:0@:brace125@}
[126]
@{char@:brace number 301@:110@:5.96606@:0@:63.34773@:63.34773@:0@:0@:brace301@}
[110]
(some charht values had to be adjusted by as much as 0.44682pt)
(some chardp values had to be adjusted by as much as 0.44682pt)
Font metrics written on feta-braces-d.tfm.
64 output files written: feta-braces-d.65 .. feta-braces-d.128
Transcript written on feta-braces-d.log.

@{char@:brace number 126@:127@:3.45267@:0@:23.20117@:23.20117@:0@:0@:brace126@}
[127]
@{char@:brace number 302@:111@:5.98474@:0@:63.64604@:63.64604@:0@:0@:brace302@}
[111]
@{char@:brace number 166@:103@:3.91245@:0@:30.54514@:30.54514@:0@:0@:brace166@}
[103]
@{char@:brace number 303@:112@:6.00342@:0@:63.94528@:63.94528@:0@:0@:brace303@}
[112]
@{char@:brace number 127@:128@:3.46338@:0@:23.37381@:23.37381@:0@:0@:brace127@}
[128]
@{tnof@}) )
@{char@:brace number 167@:104@:3.92453@:0@:30.74077@:30.74077@:0@:0@:brace167@}
[104]
(some charht values had to be adjusted by as much as 0.29948pt)
(some chardp values had to be adjusted by as much as 0.29948pt)
Font metrics written on feta-braces-b.tfm.
64 output files written: feta-braces-b.65 .. feta-braces-b.128
Transcript written on feta-braces-b.log.

@{char@:brace number 304@:113@:6.02237@:0@:64.24545@:64.24545@:0@:0@:brace304@}
[113]
@{char@:brace number 168@:105@:3.93689@:0@:30.937@:30.937@:0@:0@:brace168@}
[105]
@{char@:brace number 305@:114@:6.04105@:0@:64.54657@:64.54657@:0@:0@:brace305@}
[114]
@{char@:brace number 169@:106@:3.94925@:0@:31.13383@:31.13383@:0@:0@:brace169@}
[106]
@{char@:brace number 306@:115@:6.06@:0@:64.84862@:64.84862@:0@:0@:brace306@}
[115]
@{char@:brace number 170@:107@:3.96161@:0@:31.3313@:31.3313@:0@:0@:brace170@}
[107]
@{char@:brace number 307@:116@:6.07895@:0@:65.15163@:65.15163@:0@:0@:brace307@}
[116]
@{char@:brace number 171@:108@:3.97397@:0@:31.52939@:31.52939@:0@:0@:brace171@}
[108]
@{char@:brace number 308@:117@:6.09818@:0@:65.45557@:65.45557@:0@:0@:brace308@}
[117]
@{char@:brace number 172@:109@:3.98633@:0@:31.72809@:31.72809@:0@:0@:brace172@}
[109]
@{char@:brace number 309@:118@:6.11713@:0@:65.76048@:65.76048@:0@:0@:brace309@}
[118]
@{char@:brace number 173@:110@:3.99896@:0@:31.9274@:31.9274@:0@:0@:brace173@}
[110]
@{char@:brace number 310@:119@:6.13635@:0@:66.06633@:66.06633@:0@:0@:brace310@}
[119]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 174@:111@:4.01132@:0@:32.12735@:32.12735@:0@:0@:brace174@}
[111](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 311@:120@:6.15558@:0@:66.37315@:66.37315@:0@:0@:brace311@}
[120]
@{char@:brace number 175@:112@:4.02396@:0@:32.32793@:32.32793@:0@:0@:brace175@}
[112]
@{char@:brace number 176@:113@:4.03659@:0@:32.52911@:32.52911@:0@:0@:brace176@}
[113]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 177@:114@:4.04922@:0@:32.73094@:32.73094@:0@:0@:brace177@}
[114])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-f.mf
@{char@:brace number 312@:121@:6.1748@:0@:66.68092@:66.68092@:0@:0@:brace312@}
[121]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:brace number 178@:115@:4.06186@:0@:32.93341@:32.93341@:0@:0@:brace178@}
[115]
@{char@:brace number 313@:122@:6.19403@:0@:66.98967@:66.98967@:0@:0@:brace313@}
[122]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:brace number 314@:123@:6.21353@:0@:67.29936@:67.29936@:0@:0@:brace314@}
[123]
@{char@:brace number 315@:124@:6.23303@:0@:67.61005@:67.61005@:0@:0@:brace315@}
[124])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 316@:125@:6.25253@:0@:67.92169@:67.92169@:0@:0@:brace316@}
[125]
@{char@:brace number 317@:126@:6.27203@:0@:68.23433@:68.23433@:0@:0@:brace317@}
[126])
@{char@:brace number 318@:127@:6.29181@:0@:68.54793@:68.54793@:0@:0@:brace318@}
[127]
@{char@:brace number 319@:128@:6.31131@:0@:68.86252@:68.86252@:0@:0@:brace319@}
[128]
@{tnof@}) )
@{font@:GNU@:LilyPond@:feta-braces-f@:120@:fetaBraces@}
@{char@:brace number 320@:65@:6.33109@:0@:69.17809@:69.17809@:0@:0@:brace320@}
[65]
(some charht values had to be adjusted by as much as 0.54578pt)
(some chardp values had to be adjusted by as much as 0.54578pt)
Font metrics written on feta-braces-e.tfm.
64 output files written: feta-braces-e.65 .. feta-braces-e.128
Transcript written on feta-braces-e.log.

@{char@:brace number 321@:66@:6.35086@:0@:69.49463@:69.49463@:0@:0@:brace321@}
[66]
@{char@:brace number 179@:116@:4.07477@:0@:33.1365@:33.1365@:0@:0@:brace179@}
[116]
@{char@:brace number 180@:117@:4.0874@:0@:33.34024@:33.34024@:0@:0@:brace180@}
[117]
@{char@:brace number 181@:118@:4.10031@:0@:33.5446@:33.5446@:0@:0@:brace181@}
[118]
@{char@:brace number 322@:67@:6.37091@:0@:69.81218@:69.81218@:0@:0@:brace322@}
[67]
@{char@:brace number 182@:119@:4.11295@:0@:33.74962@:33.74962@:0@:0@:brace182@}
[119]
@{char@:brace number 323@:68@:6.39069@:0@:70.13072@:70.13072@:0@:0@:brace323@}
[68]
@{char@:brace number 324@:69@:6.41074@:0@:70.45026@:70.45026@:0@:0@:brace324@}
[69]
@{char@:brace number 325@:70@:6.43079@:0@:70.77078@:70.77078@:0@:0@:brace325@}
[70]
@{char@:brace number 183@:120@:4.12585@:0@:33.95528@:33.95528@:0@:0@:brace183@}
[120]
@{char@:brace number 184@:121@:4.13876@:0@:34.16156@:34.16156@:0@:0@:brace184@}
[121]
@{char@:brace number 185@:122@:4.15167@:0@:34.3685@:34.3685@:0@:0@:brace185@}
[122]
@{char@:brace number 186@:123@:4.16486@:0@:34.57608@:34.57608@:0@:0@:brace186@}
[123]
@{char@:brace number 187@:124@:4.17776@:0@:34.78433@:34.78433@:0@:0@:brace187@}
[124]
@{char@:brace number 188@:125@:4.19095@:0@:34.99321@:34.99321@:0@:0@:brace188@}
[125]
@{char@:brace number 326@:71@:6.45111@:0@:71.09233@:71.09233@:0@:0@:brace326@}
[71]
@{char@:brace number 189@:126@:4.20413@:0@:35.20276@:35.20276@:0@:0@:brace189@}
[126]
@{char@:brace number 327@:72@:6.47116@:0@:71.41489@:71.41489@:0@:0@:brace327@}
[72]
@{char@:brace number 328@:73@:6.49149@:0@:71.73843@:71.73843@:0@:0@:brace328@}
[73]
@{char@:brace number 329@:74@:6.51181@:0@:72.06302@:72.06302@:0@:0@:brace329@}
[74]
@{char@:brace number 330@:75@:6.53214@:0@:72.38861@:72.38861@:0@:0@:brace330@}
[75]
@{char@:brace number 331@:76@:6.55273@:0@:72.71521@:72.71521@:0@:0@:brace331@}
[76]
@{char@:brace number 190@:127@:4.21704@:0@:35.41296@:35.41296@:0@:0@:brace190@}
[127]
@{char@:brace number 332@:77@:6.57306@:0@:73.04285@:73.04285@:0@:0@:brace332@}
[77]
@{char@:brace number 191@:128@:4.23022@:0@:35.62383@:35.62383@:0@:0@:brace191@}
[128]
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.36583pt)
(some chardp values had to be adjusted by as much as 0.36583pt)
Font metrics written on feta-braces-c.tfm.
64 output files written: feta-braces-c.65 .. feta-braces-c.128
Transcript written on feta-braces-c.log.

@{char@:brace number 333@:78@:6.59366@:0@:73.3715@:73.3715@:0@:0@:brace333@}
[78]
@{char@:brace number 334@:79@:6.61426@:0@:73.70119@:73.70119@:0@:0@:brace334@}
[79]
@{char@:brace number 335@:80@:6.63513@:0@:74.03189@:74.03189@:0@:0@:brace335@}
[80]
@{char@:brace number 336@:81@:6.65573@:0@:74.36365@:74.36365@:0@:0@:brace336@}
[81]
@{char@:brace number 337@:82@:6.6766@:0@:74.69644@:74.69644@:0@:0@:brace337@}
[82]
@{char@:brace number 338@:83@:6.69748@:0@:75.03027@:75.03027@:0@:0@:brace338@}
[83]
@{char@:brace number 339@:84@:6.71863@:0@:75.36514@:75.36514@:0@:0@:brace339@}
[84]
@{char@:brace number 340@:85@:6.7395@:0@:75.70108@:75.70108@:0@:0@:brace340@}
[85]
@{char@:brace number 341@:86@:6.76065@:0@:76.03806@:76.03806@:0@:0@:brace341@}
[86]
@{char@:brace number 342@:87@:6.7818@:0@:76.37608@:76.37608@:0@:0@:brace342@}
[87]
@{char@:brace number 343@:88@:6.80295@:0@:76.71518@:76.71518@:0@:0@:brace343@}
[88]
@{char@:brace number 344@:89@:6.82437@:0@:77.05533@:77.05533@:0@:0@:brace344@}
[89]
@{char@:brace number 345@:90@:6.8458@:0@:77.39655@:77.39655@:0@:0@:brace345@}
[90]
@{char@:brace number 346@:91@:6.86722@:0@:77.73883@:77.73883@:0@:0@:brace346@}
[91]
@{char@:brace number 347@:92@:6.88864@:0@:78.0822@:78.0822@:0@:0@:brace347@}
[92]
@{char@:brace number 348@:93@:6.91006@:0@:78.42662@:78.42662@:0@:0@:brace348@}
[93]
@{char@:brace number 349@:94@:6.93176@:0@:78.77213@:78.77213@:0@:0@:brace349@}
[94]
@{char@:brace number 350@:95@:6.95346@:0@:79.11871@:79.11871@:0@:0@:brace350@}
[95]
@{char@:brace number 351@:96@:6.97516@:0@:79.46638@:79.46638@:0@:0@:brace351@}
[96]
@{char@:brace number 352@:97@:6.99713@:0@:79.81514@:79.81514@:0@:0@:brace352@}
[97]Failed to change locale.

@{char@:brace number 353@:98@:7.0191@:0@:80.165@:80.165@:0@:0@:brace353@} [98]
@{char@:brace number 354@:99@:7.04108@:0@:80.51595@:80.51595@:0@:0@:brace354@}
[99]
@{char@:brace number 355@:100@:7.06305@:0@:80.868@:80.868@:0@:0@:brace355@}
[100]
@{char@:brace number 356@:101@:7.08502@:0@:81.22115@:81.22115@:0@:0@:brace356@}
[101]
@{char@:brace number 357@:102@:7.10727@:0@:81.5754@:81.5754@:0@:0@:brace357@}
[102]
@{char@:brace number 358@:103@:7.12952@:0@:81.93076@:81.93076@:0@:0@:brace358@}
[103]
@{char@:brace number 359@:104@:7.15176@:0@:82.28723@:82.28723@:0@:0@:brace359@}
[104]
@{char@:brace number 360@:105@:7.17429@:0@:82.64482@:82.64482@:0@:0@:brace360@}
[105]
*** Successfully generated parmesan11.pfb! ***

@{char@:brace number 361@:106@:7.19681@:0@:83.00354@:83.00354@:0@:0@:brace361@}
[106]
@{char@:brace number 362@:107@:7.21933@:0@:83.36337@:83.36337@:0@:0@:brace362@}
[107]( echo ./out/feta-braces-g.pfb:  > out/feta-braces-g.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-braces-g.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-braces-g --fullname=feta-braces-g --name=feta-braces-g feta-braces-g.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:brace number 363@:108@:7.24185@:0@:83.72435@:83.72435@:0@:0@:brace363@}
[108]
@{char@:brace number 364@:109@:7.26465@:0@:84.08644@:84.08644@:0@:0@:brace364@}
[109]
@{char@:brace number 365@:110@:7.28717@:0@:84.44968@:84.44968@:0@:0@:brace365@}
[110]
@{char@:brace number 366@:111@:7.30997@:0@:84.81403@:84.81403@:0@:0@:brace366@}
[111]
@{char@:brace number 367@:112@:7.33304@:0@:85.17953@:85.17953@:0@:0@:brace367@}
[112]
@{char@:brace number 368@:113@:7.35583@:0@:85.54619@:85.54619@:0@:0@:brace368@}
[113]
@{char@:brace number 369@:114@:7.3789@:0@:85.91397@:85.91397@:0@:0@:brace369@}
[114]
@{char@:brace number 370@:115@:7.40198@:0@:86.28291@:86.28291@:0@:0@:brace370@}
[115]
@{char@:brace number 371@:116@:7.42532@:0@:86.65302@:86.65302@:0@:0@:brace371@}
[116]
@{char@:brace number 372@:117@:7.4484@:0@:87.02429@:87.02429@:0@:0@:brace372@}
[117]
@{char@:brace number 373@:118@:7.47174@:0@:87.39671@:87.39671@:0@:0@:brace373@}
[118]
@{char@:brace number 374@:119@:7.49509@:0@:87.7703@:87.7703@:0@:0@:brace374@}
[119]
@{char@:brace number 375@:120@:7.5187@:0@:88.14505@:88.14505@:0@:0@:brace375@}
[120]
@{char@:brace number 376@:121@:7.54205@:0@:88.521@:88.521@:0@:0@:brace376@}
[121]
@{char@:brace number 377@:122@:7.56567@:0@:88.8981@:88.8981@:0@:0@:brace377@}
[122]
@{char@:brace number 378@:123@:7.58957@:0@:89.27638@:89.27638@:0@:0@:brace378@}
[123]
@{char@:brace number 379@:124@:7.61319@:0@:89.65585@:89.65585@:0@:0@:brace379@}
[124]
@{char@:brace number 380@:125@:7.63708@:0@:90.03651@:90.03651@:0@:0@:brace380@}
[125]
@{char@:brace number 381@:126@:7.66098@:0@:90.41837@:90.41837@:0@:0@:brace381@}
[126]
@{char@:brace number 382@:127@:7.68488@:0@:90.80142@:90.80142@:0@:0@:brace382@}
[127]
@{char@:brace number 383@:128@:7.70905@:0@:91.18567@:91.18567@:0@:0@:brace383@}
[128]
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.66663pt)
(some chardp values had to be adjusted by as much as 0.66663pt)
Font metrics written on feta-braces-f.tfm.
64 output files written: feta-braces-f.65 .. feta-braces-f.128
Transcript written on feta-braces-f.log.

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-braces-a.pt1 feta-braces-a.pfb"...

Invoking "fontforge -script feta-braces-a.pe feta-braces-a.pfb"...
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-braces-g.mf'"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Internal Error (overlap) in brace4: Winding number did not return to 0 when x=-125.255
Internal Error (overlap) in brace4: Winding number did not return to 0 when x=-125.255
Internal Error (overlap) in brace4: Winding number did not return to 0 when x=-125.255
Internal Error (overlap) in brace4: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace4: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace5: Winding number did not return to 0 when x=-125.642
Internal Error (overlap) in brace5: Winding number did not return to 0 when x=-125.642
Internal Error (overlap) in brace5: Winding number did not return to 0 when x=-125.642
Internal Error (overlap) in brace5: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace5: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace20: Winding number did not return to 0 when x=-131.546
Internal Error (overlap) in brace20: Winding number did not return to 0 when x=-131.546
Internal Error (overlap) in brace20: Winding number did not return to 0 when x=-131.546
Internal Error (overlap) in brace20: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace20: couldn't find a needed exit from an intersection
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mpInternal Error (overlap) in brace28: Winding number did not return to 0 when x=-134.801
Internal Error (overlap) in brace28: Winding number did not return to 0 when x=-134.801
Internal Error (overlap) in brace28: Winding number did not return to 0 when x=-134.801
Internal Error (overlap) in brace28: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace28: couldn't find a needed exit from an intersection

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-braces-d.pt1 feta-braces-d.pfb"...

Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-g.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
Invoking "fontforge -script feta-braces-d.pe feta-braces-d.pfb"...
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)Internal Error (overlap) in brace41: Winding number did not return to 0 when x=-140.277
Internal Error (overlap) in brace41: Winding number did not return to 0 when x=-140.277
Internal Error (overlap) in brace41: Winding number did not return to 0 when x=-140.277
Internal Error (overlap) in brace41: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace41: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace48: Winding number did not return to 0 when x=-143.317
Internal Error (overlap) in brace48: Winding number did not return to 0 when x=-143.317
Internal Error (overlap) in brace48: Winding number did not return to 0 when x=-143.317
Internal Error (overlap) in brace48: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace48: couldn't find a needed exit from an intersection

@{font@:GNU@:LilyPond@:feta-braces-g@:140@:fetaBraces@}
@{char@:brace number 384@:65@:7.73322@:0@:91.57112@:91.57112@:0@:0@:brace384@}
[65]Internal Error (overlap) in brace49: Winding number did not return to 0 when x=-143.76
Internal Error (overlap) in brace49: Winding number did not return to 0 when x=-143.76
Internal Error (overlap) in brace49: Winding number did not return to 0 when x=-143.76
Internal Error (overlap) in brace49: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace49: couldn't find a needed exit from an intersection

@{char@:brace number 385@:66@:7.75739@:0@:91.95778@:91.95778@:0@:0@:brace385@}
[66]
@{char@:brace number 386@:67@:7.78156@:0@:92.34564@:92.34564@:0@:0@:brace386@}
[67]
@{char@:brace number 387@:68@:7.806@:0@:92.73473@:92.73473@:0@:0@:brace387@}
[68]
@{char@:brace number 388@:69@:7.83044@:0@:93.12502@:93.12502@:0@:0@:brace388@}
[69]
@{char@:brace number 389@:70@:7.85489@:0@:93.51654@:93.51654@:0@:0@:brace389@}
[70]Internal Error (overlap) in brace56: Winding number did not return to 0 when x=-146.886
Internal Error (overlap) in brace56: Winding number did not return to 0 when x=-146.886
Internal Error (overlap) in brace56: Winding number did not return to 0 when x=-146.886
Internal Error (overlap) in brace56: couldn't find a needed exit from an intersection
Internal Error (overlap) in brace56: couldn't find a needed exit from an intersection

@{char@:brace number 390@:71@:7.87961@:0@:93.90929@:93.90929@:0@:0@:brace390@}
[71]
@{char@:brace number 391@:72@:7.90433@:0@:94.30327@:94.30327@:0@:0@:brace391@}
[72]
@{char@:brace number 392@:73@:7.92905@:0@:94.69849@:94.69849@:0@:0@:brace392@}
[73]
@{char@:brace number 393@:74@:7.95377@:0@:95.09494@:95.09494@:0@:0@:brace393@}
[74]
@{char@:brace number 394@:75@:7.97876@:0@:95.49263@:95.49263@:0@:0@:brace394@}
[75]
@{char@:brace number 395@:76@:8.00375@:0@:95.89157@:95.89157@:0@:0@:brace395@}
[76]
@{char@:brace number 396@:77@:8.02875@:0@:96.29176@:96.29176@:0@:0@:brace396@}
[77]
@{char@:brace number 397@:78@:8.05374@:0@:96.69319@:96.69319@:0@:0@:brace397@}
[78]
@{char@:brace number 398@:79@:8.07901@:0@:97.09589@:97.09589@:0@:0@:brace398@}
[79]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-braces-b.pt1 feta-braces-b.pfb"...

@{char@:brace number 399@:80@:8.10428@:0@:97.49983@:97.49983@:0@:0@:brace399@}
[80]
@{char@:brace number 400@:81@:8.12982@:0@:97.90504@:97.90504@:0@:0@:brace400@}
[81]
@{char@:brace number 401@:82@:8.15509@:0@:98.31154@:98.31154@:0@:0@:brace401@}
[82]
@{char@:brace number 402@:83@:8.18063@:0@:98.7193@:98.7193@:0@:0@:brace402@}
[83]
Invoking "fontforge -script feta-braces-b.pe feta-braces-b.pfb"...

@{char@:brace number 403@:84@:8.20618@:0@:99.12833@:99.12833@:0@:0@:brace403@}
[84]
@{char@:brace number 404@:85@:8.232@:0@:99.53864@:99.53864@:0@:0@:brace404@}
[85]
@{char@:brace number 405@:86@:8.25781@:0@:99.95024@:99.95024@:0@:0@:brace405@}
[86]
@{char@:brace number 406@:87@:8.28363@:0@:100.36313@:100.36313@:0@:0@:brace406@
} [87]
@{char@:brace number 407@:88@:8.30945@:0@:100.77731@:100.77731@:0@:0@:brace407@
} [88]
@{char@:brace number 408@:89@:8.33554@:0@:101.19278@:101.19278@:0@:0@:brace408@
} [89]
@{char@:brace number 409@:90@:8.36163@:0@:101.60956@:101.60956@:0@:0@:brace409@
} [90]
@{char@:brace number 410@:91@:8.38773@:0@:102.02765@:102.02765@:0@:0@:brace410@
} [91]
@{char@:brace number 411@:92@:8.4141@:0@:102.44704@:102.44704@:0@:0@:brace411@}
[92]
@{char@:brace number 412@:93@:8.44046@:0@:102.86774@:102.86774@:0@:0@:brace412@
} [93]
@{char@:brace number 413@:94@:8.46683@:0@:103.28976@:103.28976@:0@:0@:brace413@
} [94]
@{char@:brace number 414@:95@:8.49347@:0@:103.7131@:103.7131@:0@:0@:brace414@}
[95]
@{char@:brace number 415@:96@:8.51984@:0@:104.13777@:104.13777@:0@:0@:brace415@
} [96]
@{char@:brace number 416@:97@:8.54648@:0@:104.56377@:104.56377@:0@:0@:brace416@
} [97]
@{char@:brace number 417@:98@:8.5734@:0@:104.99109@:104.99109@:0@:0@:brace417@}
[98]
@{char@:brace number 418@:99@:8.60031@:0@:105.41977@:105.41977@:0@:0@:brace418@
} [99]
@{char@:brace number 419@:100@:8.62723@:0@:105.84978@:105.84978@:0@:0@:brace419
@} [100]
@{char@:brace number 420@:101@:8.65414@:0@:106.28114@:106.28114@:0@:0@:brace420
@} [101]
@{char@:brace number 421@:102@:8.68134@:0@:106.71385@:106.71385@:0@:0@:brace421
@} [102]
@{char@:brace number 422@:103@:8.70853@:0@:107.14792@:107.14792@:0@:0@:brace422
@} [103]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-braces-e.pt1 feta-braces-e.pfb"...

@{char@:brace number 423@:104@:8.73572@:0@:107.58334@:107.58334@:0@:0@:brace423
@} [104]
@{char@:brace number 424@:105@:8.76291@:0@:108.02013@:108.02013@:0@:0@:brace424
@} [105]
@{char@:brace number 425@:106@:8.79037@:0@:108.45827@:108.45827@:0@:0@:brace425
@} [106]
@{char@:brace number 426@:107@:8.81784@:0@:108.8978@:108.8978@:0@:0@:brace426@}
[107]
@{char@:brace number 427@:108@:8.84558@:0@:109.33868@:109.33868@:0@:0@:brace427
@} [108]Failed to change locale.

@{char@:brace number 428@:109@:8.87332@:0@:109.78096@:109.78096@:0@:0@:brace428
@} [109]
@{char@:brace number 429@:110@:8.90106@:0@:110.22462@:110.22462@:0@:0@:brace429
@} [110]
Invoking "fontforge -script feta-braces-e.pe feta-braces-e.pfb"...

@{char@:brace number 430@:111@:8.9288@:0@:110.66968@:110.66968@:0@:0@:brace430@
} [111]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:brace number 431@:112@:8.95682@:0@:111.11612@:111.11612@:0@:0@:brace431
@} [112]
@{char@:brace number 432@:113@:8.98483@:0@:111.56396@:111.56396@:0@:0@:brace432
@} [113]
@{char@:brace number 433@:114@:9.01312@:0@:112.0132@:112.0132@:0@:0@:brace433@}
[114]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:brace number 434@:115@:9.04114@:0@:112.46385@:112.46385@:0@:0@:brace434
@} [115]
*** Successfully generated feta-braces-a.pfb! ***

@{char@:brace number 435@:116@:9.06943@:0@:112.91591@:112.91591@:0@:0@:brace435
@} [116]
@{char@:brace number 436@:117@:9.09799@:0@:113.36938@:113.36938@:0@:0@:brace436
@} [117]
@{char@:brace number 437@:118@:9.12628@:0@:113.82428@:113.82428@:0@:0@:brace437
@} [118]
@{char@:brace number 438@:119@:9.15485@:0@:114.2806@:114.2806@:0@:0@:brace438@}
[119]Failed to change locale.
Failed to change locale.

@{char@:brace number 439@:120@:9.18369@:0@:114.73834@:114.73834@:0@:0@:brace439
@} [120]
@{char@:brace number 440@:121@:9.21225@:0@:115.19753@:115.19753@:0@:0@:brace440
@} [121]( echo ./out/feta-braces-h.pfb:  > out/feta-braces-h.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-braces-h.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-braces-h --fullname=feta-braces-h --name=feta-braces-h feta-braces-h.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-braces-c.pt1 feta-braces-c.pfb"...

@{char@:brace number 441@:122@:9.24109@:0@:115.65813@:115.65813@:0@:0@:brace441
@} [122]
@{char@:brace number 442@:123@:9.2702@:0@:116.12018@:116.12018@:0@:0@:brace442@
} [123]
@{char@:brace number 443@:124@:9.29904@:0@:116.5837@:116.5837@:0@:0@:brace443@}
[124]
@{char@:brace number 444@:125@:9.32816@:0@:117.04865@:117.04865@:0@:0@:brace444
@} [125]
Invoking "fontforge -script feta-braces-c.pe feta-braces-c.pfb"...

@{char@:brace number 445@:126@:9.35754@:0@:117.51505@:117.51505@:0@:0@:brace445
@} [126]
@{char@:brace number 446@:127@:9.38666@:0@:117.98293@:117.98293@:0@:0@:brace446
@} [127]
@{char@:brace number 447@:128@:9.41605@:0@:118.45226@:118.45226@:0@:0@:brace447
@} [128]
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.81425pt)
(some chardp values had to be adjusted by as much as 0.81425pt)
Font metrics written on feta-braces-g.tfm.
64 output files written: feta-braces-g.65 .. feta-braces-g.128
Transcript written on feta-braces-g.log.

mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-braces-g
    font_weight:               Medium
    font_identifier:           feta-braces-g140
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -7
    font_underline_thickness:  4
    font_name:                 feta-braces-g
    font_unique_id:            4980967
    font_size:                 139.47696139477 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=7.16964285714286; bpppix 0.02; nonstopmode; input feta-braces-g.mf'"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-g.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta-braces-g@:140@:fetaBraces@}
@{char@:brace number 384@:65@:7.73322@:0@:91.57112@:91.57112@:0@:0@:brace384@}
[65]
@{char@:brace number 385@:66@:7.75739@:0@:91.95778@:91.95778@:0@:0@:brace385@}
[66]
@{char@:brace number 386@:67@:7.78156@:0@:92.34564@:92.34564@:0@:0@:brace386@}
[67]
@{char@:brace number 387@:68@:7.806@:0@:92.73473@:92.73473@:0@:0@:brace387@}
[68]
@{char@:brace number 388@:69@:7.83044@:0@:93.12502@:93.12502@:0@:0@:brace388@}
[69]
@{char@:brace number 389@:70@:7.85489@:0@:93.51654@:93.51654@:0@:0@:brace389@}
[70]
@{char@:brace number 390@:71@:7.87961@:0@:93.90929@:93.90929@:0@:0@:brace390@}
[71]
@{char@:brace number 391@:72@:7.90433@:0@:94.30327@:94.30327@:0@:0@:brace391@}
[72]
@{char@:brace number 392@:73@:7.92905@:0@:94.69849@:94.69849@:0@:0@:brace392@}
[73]
@{char@:brace number 393@:74@:7.95377@:0@:95.09494@:95.09494@:0@:0@:brace393@}
[74]
@{char@:brace number 394@:75@:7.97876@:0@:95.49263@:95.49263@:0@:0@:brace394@}
[75]
@{char@:brace number 395@:76@:8.00375@:0@:95.89157@:95.89157@:0@:0@:brace395@}
[76]
@{char@:brace number 396@:77@:8.02875@:0@:96.29176@:96.29176@:0@:0@:brace396@}
[77]
@{char@:brace number 397@:78@:8.05374@:0@:96.69319@:96.69319@:0@:0@:brace397@}
[78]
@{char@:brace number 398@:79@:8.07901@:0@:97.09589@:97.09589@:0@:0@:brace398@}
[79]
@{char@:brace number 399@:80@:8.10428@:0@:97.49983@:97.49983@:0@:0@:brace399@}
[80]
@{char@:brace number 400@:81@:8.12982@:0@:97.90504@:97.90504@:0@:0@:brace400@}
[81]
@{char@:brace number 401@:82@:8.15509@:0@:98.31154@:98.31154@:0@:0@:brace401@}
[82]
@{char@:brace number 402@:83@:8.18063@:0@:98.7193@:98.7193@:0@:0@:brace402@}
[83]
@{char@:brace number 403@:84@:8.20618@:0@:99.12833@:99.12833@:0@:0@:brace403@}
[84]
@{char@:brace number 404@:85@:8.232@:0@:99.53864@:99.53864@:0@:0@:brace404@}
[85]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-braces-h.mf'"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 405@:86@:8.25781@:0@:99.95024@:99.95024@:0@:0@:brace405@}
[86]Failed to change locale.
Failed to change locale.
(./mf2pt1.mp
@{char@:brace number 406@:87@:8.28363@:0@:100.36313@:100.36313@:0@:0@:brace406@
} [87] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 407@:88@:8.30945@:0@:100.77731@:100.77731@:0@:0@:brace407@
} [88]
@{char@:brace number 408@:89@:8.33554@:0@:101.19278@:101.19278@:0@:0@:brace408@
} [89]Failed to change locale.

Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 409@:90@:8.36163@:0@:101.60956@:101.60956@:0@:0@:brace409@
} [90]
@{char@:brace number 410@:91@:8.38773@:0@:102.02765@:102.02765@:0@:0@:brace410@
} [91])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-h.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
@{char@:brace number 411@:92@:8.4141@:0@:102.44704@:102.44704@:0@:0@:brace411@}
[92]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:brace number 412@:93@:8.44046@:0@:102.86774@:102.86774@:0@:0@:brace412@
} [93])
@{char@:brace number 413@:94@:8.46683@:0@:103.28976@:103.28976@:0@:0@:brace413@
} [94]
*** Successfully generated feta-braces-d.pfb! ***

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
*** Successfully generated feta-braces-b.pfb! ***

@{char@:brace number 414@:95@:8.49347@:0@:103.7131@:103.7131@:0@:0@:brace414@}
[95]
@{char@:brace number 415@:96@:8.51984@:0@:104.13777@:104.13777@:0@:0@:brace415@
} [96])
@{char@:brace number 416@:97@:8.54648@:0@:104.56377@:104.56377@:0@:0@:brace416@
} [97]Failed to change locale.

@{font@:GNU@:LilyPond@:feta-braces-h@:160@:fetaBraces@}
@{char@:brace number 448@:65@:9.44571@:0@:118.92307@:118.92307@:0@:0@:brace448@
} [65]( echo ./out/feta-braces-i.pfb:  > out/feta-braces-i.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-braces-i.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-braces-i --fullname=feta-braces-i --name=feta-braces-i feta-braces-i.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:brace number 449@:66@:9.4751@:0@:119.39534@:119.39534@:0@:0@:brace449@}
[66]
@{char@:brace number 450@:67@:9.50476@:0@:119.8691@:119.8691@:0@:0@:brace450@}
[67]
@{char@:brace number 417@:98@:8.5734@:0@:104.99109@:104.99109@:0@:0@:brace417@}
[98]
@{char@:brace number 451@:68@:9.5347@:0@:120.34433@:120.34433@:0@:0@:brace451@}
[68]
@{char@:brace number 418@:99@:8.60031@:0@:105.41977@:105.41977@:0@:0@:brace418@
} [99]
@{char@:brace number 452@:69@:9.56436@:0@:120.82108@:120.82108@:0@:0@:brace452@
} [69]
@{char@:brace number 419@:100@:8.62723@:0@:105.84978@:105.84978@:0@:0@:brace419
@} [100]
@{char@:brace number 453@:70@:9.5943@:0@:121.29929@:121.29929@:0@:0@:brace453@}
[70]
@{char@:brace number 420@:101@:8.65414@:0@:106.28114@:106.28114@:0@:0@:brace420
@} [101]
@{char@:brace number 454@:71@:9.62451@:0@:121.779@:121.779@:0@:0@:brace454@}
[71]( echo ./out/feta-alphabet13.pfb:  > out/feta-alphabet13.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-alphabet13.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-alphabet13 --fullname=feta-alphabet13 --name=feta-alphabet13 feta-alphabet13.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:brace number 421@:102@:8.68134@:0@:106.71385@:106.71385@:0@:0@:brace421
@} [102]
@{char@:brace number 455@:72@:9.65445@:0@:122.26022@:122.26022@:0@:0@:brace455@
} [72]
*** Successfully generated feta-braces-e.pfb! ***

@{char@:brace number 456@:73@:9.68466@:0@:122.74295@:122.74295@:0@:0@:brace456@
} [73]
@{char@:brace number 422@:103@:8.70853@:0@:107.14792@:107.14792@:0@:0@:brace422
@} [103]
@{char@:brace number 457@:74@:9.71515@:0@:123.22717@:123.22717@:0@:0@:brace457@
} [74]
@{char@:brace number 423@:104@:8.73572@:0@:107.58334@:107.58334@:0@:0@:brace423
@} [104]
@{char@:brace number 424@:105@:8.76291@:0@:108.02013@:108.02013@:0@:0@:brace424
@} [105]
@{char@:brace number 425@:106@:8.79037@:0@:108.45827@:108.45827@:0@:0@:brace425
@} [106]
@{char@:brace number 426@:107@:8.81784@:0@:108.8978@:108.8978@:0@:0@:brace426@}
[107]
@{char@:brace number 458@:75@:9.74564@:0@:123.71294@:123.71294@:0@:0@:brace458@
} [75]
@{char@:brace number 427@:108@:8.84558@:0@:109.33868@:109.33868@:0@:0@:brace427
@} [108]
@{char@:brace number 459@:76@:9.77612@:0@:124.20021@:124.20021@:0@:0@:brace459@
} [76]
@{char@:brace number 428@:109@:8.87332@:0@:109.78096@:109.78096@:0@:0@:brace428
@} [109]( echo ./out/feta-alphabet14.pfb:  > out/feta-alphabet14.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-alphabet14.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-alphabet14 --fullname=feta-alphabet14 --name=feta-alphabet14 feta-alphabet14.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-braces-i.mf'"...

@{char@:brace number 429@:110@:8.90106@:0@:110.22462@:110.22462@:0@:0@:brace429
@} [110]
@{char@:brace number 460@:77@:9.80661@:0@:124.68903@:124.68903@:0@:0@:brace460@
} [77]
@{char@:brace number 430@:111@:8.9288@:0@:110.66968@:110.66968@:0@:0@:brace430@
} [111]
@{char@:brace number 431@:112@:8.95682@:0@:111.11612@:111.11612@:0@:0@:brace431
@} [112]
@{char@:brace number 461@:78@:9.83737@:0@:125.17935@:125.17935@:0@:0@:brace461@
} [78]
@{char@:brace number 432@:113@:8.98483@:0@:111.56396@:111.56396@:0@:0@:brace432
@} [113]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 462@:79@:9.86813@:0@:125.67122@:125.67122@:0@:0@:brace462@
} [79](./mf2pt1.mp
@{char@:brace number 433@:114@:9.01312@:0@:112.0132@:112.0132@:0@:0@:brace433@}
[114] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mpInvoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-alphabet13.mf'"...

@{char@:brace number 463@:80@:9.8989@:0@:126.16463@:126.16463@:0@:0@:brace463@}
[80]
@{char@:brace number 434@:115@:9.04114@:0@:112.46385@:112.46385@:0@:0@:brace434
@} [115]
@{char@:brace number 464@:81@:9.92993@:0@:126.65958@:126.65958@:0@:0@:brace464@
} [81]
@{char@:brace number 435@:116@:9.06943@:0@:112.91591@:112.91591@:0@:0@:brace435
@} [116]
@{char@:brace number 465@:82@:9.96097@:0@:127.15607@:127.15607@:0@:0@:brace465@
} [82]
@{char@:brace number 436@:117@:9.09799@:0@:113.36938@:113.36938@:0@:0@:brace436
@} [117]Failed to change locale.

@{char@:brace number 437@:118@:9.12628@:0@:113.82428@:113.82428@:0@:0@:brace437
@} [118]
@{char@:brace number 466@:83@:9.99228@:0@:127.65411@:127.65411@:0@:0@:brace466@
} [83]
@{char@:brace number 438@:119@:9.15485@:0@:114.2806@:114.2806@:0@:0@:brace438@}
[119]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 467@:84@:10.02359@:0@:128.15373@:128.15373@:0@:0@:brace467
@} [84]
@{char@:brace number 439@:120@:9.18369@:0@:114.73834@:114.73834@:0@:0@:brace439
@} [120]
@{char@:brace number 440@:121@:9.21225@:0@:115.19753@:115.19753@:0@:0@:brace440
@} [121]
@{char@:brace number 468@:85@:10.0549@:0@:128.6549@:128.6549@:0@:0@:brace468@}
[85]
@{char@:brace number 441@:122@:9.24109@:0@:115.65813@:115.65813@:0@:0@:brace441
@} [122]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 469@:86@:10.08649@:0@:129.15765@:129.15765@:0@:0@:brace469
@} [86](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 442@:123@:9.2702@:0@:116.12018@:116.12018@:0@:0@:brace442@
} [123])
@{char@:brace number 470@:87@:10.11807@:0@:129.66199@:129.66199@:0@:0@:brace470
@} [87]
@{char@:brace number 443@:124@:9.29904@:0@:116.5837@:116.5837@:0@:0@:brace443@}
[124]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-i.mf
@{char@:brace number 471@:88@:10.14966@:0@:130.1679@:130.1679@:0@:0@:brace471@}
[88]
@{char@:brace number 444@:125@:9.32816@:0@:117.04865@:117.04865@:0@:0@:brace444
@} [125]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 445@:126@:9.35754@:0@:117.51505@:117.51505@:0@:0@:brace445
@} [126]
@{char@:brace number 472@:89@:10.18152@:0@:130.67537@:130.67537@:0@:0@:brace472
@} [89]
@{char@:brace number 446@:127@:9.38666@:0@:117.98293@:117.98293@:0@:0@:brace446
@} [127]
@{char@:brace number 473@:90@:10.21338@:0@:131.18445@:131.18445@:0@:0@:brace473
@} [90])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet13.mf
@{char@:brace number 447@:128@:9.41605@:0@:118.45226@:118.45226@:0@:0@:brace447
@} [128]
@{tnof@}) )
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
*** Successfully generated feta-braces-c.pfb! ***
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:brace number 474@:91@:10.24524@:0@:131.69511@:131.69511@:0@:0@:brace474
@} [91]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(some charht values had to be adjusted by as much as 0.81425pt)
(some chardp values had to be adjusted by as much as 0.81425pt)
Font metrics written on feta-braces-g.tfm.
64 output files written: feta-braces-g.65 .. feta-braces-g.128
Transcript written on feta-braces-g.log.
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 475@:92@:10.27737@:0@:132.20738@:132.20738@:0@:0@:brace475
@} [92])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf))
@{char@:brace number 476@:93@:10.30951@:0@:132.72125@:132.72125@:0@:0@:brace476
@} [93]
@{font@:GNU@:LilyPond@:feta-alphabet@:12.6@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
@{char@:brace number 477@:94@:10.34164@:0@:133.23672@:133.23672@:0@:0@:brace477
@} [94]
@{char@:Plus@:43@:0@:3.15001@:-1.575@:4.725@:3.15001@:0@:plus@} [43]
@{char@:brace number 478@:95@:10.37405@:0@:133.7538@:133.7538@:0@:0@:brace478@}
[95]
@{font@:GNU@:LilyPond@:feta-braces-i@:180@:fetaBraces@}
@{char@:brace number 512@:65@:11.53723@:0@:152.33199@:152.33199@:0@:0@:brace512
@} [65]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:1.33806@:2.0071@:1.33806@:1.33806@:0@:comma@}
[44]( echo ./out/feta-alphabet16.pfb:  > out/feta-alphabet16.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-alphabet16.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-alphabet16 --fullname=feta-alphabet16 --name=feta-alphabet16 feta-alphabet16.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:brace number 513@:66@:11.57349@:0@:152.90884@:152.90884@:0@:0@:brace513
@} [66]
@{char@:Numeral dash@:45@:0@:2.1@:0@:6.3@:2.1@:0@:hyphen@} [45]
@{char@:brace number 479@:96@:10.40674@:0@:134.2725@:134.2725@:0@:0@:brace479@}
[96]
@{char@:brace number 514@:67@:11.60974@:0@:153.48752@:153.48752@:0@:0@:brace514
@} [67]
@{char@:Numeral dot@:46@:0@:1.33806@:0@:1.33806@:1.33806@:0@:period@} [46]
@{char@:brace number 480@:97@:10.43915@:0@:134.79285@:134.79285@:0@:0@:brace480
@} [97]
@{char@:brace number 515@:68@:11.646@:0@:154.06801@:154.06801@:0@:0@:brace515@}
[68]
w:237.17867
h:313.75555
@{char@:Numeral 0@:48@:0@:4.76239@:0@:6.3@:4.76239@:0@:zero@} [48]
@{char@:brace number 516@:69@:11.68253@:0@:154.65031@:154.65031@:0@:0@:brace516
@} [69]
@{char@:brace number 481@:98@:10.47183@:0@:135.3148@:135.3148@:0@:0@:brace481@}
[98]
w:218.68666
h:313.75555
@{char@:Numeral 1@:49@:0@:4.39108@:0@:6.3@:4.39108@:0@:one@} [49]
@{char@:brace number 482@:99@:10.50479@:0@:135.8384@:135.8384@:0@:0@:brace482@}
[99]
@{char@:brace number 517@:70@:11.71906@:0@:155.23444@:155.23444@:0@:0@:brace517
@} [70]
w:237.17867
h:313.75555
@{char@:Numeral 2@:50@:0@:4.76239@:0@:6.3@:4.76239@:0@:two@} [50]
@{char@:brace number 518@:71@:11.75558@:0@:155.82039@:155.82039@:0@:0@:brace518
@} [71]
@{char@:brace number 483@:100@:10.53748@:0@:136.36363@:136.36363@:0@:0@:brace48
3@} [100]
w:215.61732
h:313.75555
@{char@:Numeral 3@:51@:0@:4.32945@:0@:6.3@:4.32945@:0@:three@} [51]
@{char@:brace number 519@:72@:11.79239@:0@:156.40817@:156.40817@:0@:0@:brace519
@} [72]
@{char@:brace number 484@:101@:10.57043@:0@:136.8905@:136.8905@:0@:0@:brace484@
} [101]
@{char@:brace number 520@:73@:11.82947@:0@:156.99779@:156.99779@:0@:0@:brace520
@} [73]
w:258.74155
h:313.75555
@{char@:Numeral 4@:52@:0@:5.19536@:0@:6.3@:5.19536@:0@:four@} [52]
@{char@:brace number 485@:102@:10.60367@:0@:137.41902@:137.41902@:0@:0@:brace48
5@} [102]
@{char@:brace number 486@:103@:10.6369@:0@:137.9492@:137.9492@:0@:0@:brace486@}
[103]
w:218.31277
h:313.75555
@{char@:Numeral 5@:53@:0@:4.38358@:0@:6.3@:4.38358@:0@:five@} [53]
@{char@:brace number 521@:74@:11.86655@:0@:157.58926@:157.58926@:0@:0@:brace521
@} [74]
@{char@:brace number 487@:104@:10.67014@:0@:138.48105@:138.48105@:0@:0@:brace48
7@} [104]
w:219.92761
h:313.75555
@{char@:Numeral 6@:54@:0@:4.416@:0@:6.3@:4.416@:0@:six@} [54]
@{char@:brace number 522@:75@:11.90363@:0@:158.1826@:158.1826@:0@:0@:brace522@}
[75]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-braces-f.pt1 feta-braces-f.pfb"...

@{char@:brace number 488@:105@:10.70364@:0@:139.01456@:139.01456@:0@:0@:brace48
8@} [105]
@{char@:brace number 523@:76@:11.94098@:0@:158.77779@:158.77779@:0@:0@:brace523
@} [76]
@{char@:brace number 489@:106@:10.73715@:0@:139.54973@:139.54973@:0@:0@:brace48
9@} [106]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta23.pt1 feta23.pfb"...

@{char@:brace number 524@:77@:11.97833@:0@:159.37483@:159.37483@:0@:0@:brace524
@} [77]
w:215.33463
h:313.75555
@{char@:Numeral 7@:55@:0@:4.32378@:0@:6.3@:4.32378@:0@:seven@} [55]
@{char@:brace number 490@:107@:10.77066@:0@:140.0866@:140.0866@:0@:0@:brace490@
} [107]
@{char@:brace number 525@:78@:12.01569@:0@:159.97374@:159.97374@:0@:0@:brace525
@} [78]
Invoking "fontforge -script feta-braces-f.pe feta-braces-f.pfb"...

@{char@:brace number 491@:108@:10.80444@:0@:140.62512@:140.62512@:0@:0@:brace49
1@} [108]
w:237.17867
h:313.75555
@{char@:Numeral 8@:56@:0@:4.76239@:0@:6.3@:4.76239@:0@:eight@} [56]
@{char@:brace number 526@:79@:12.05331@:0@:160.57452@:160.57452@:0@:0@:brace526
@} [79]
@{char@:brace number 492@:109@:10.83823@:0@:141.16534@:141.16534@:0@:0@:brace49
2@} [109]
w:219.92761
h:313.75555
@{char@:Numeral 9@:57@:0@:4.416@:0@:6.3@:4.416@:0@:nine@} [57])
@{char@:brace number 527@:80@:12.09122@:0@:161.1772@:161.1772@:0@:0@:brace527@}
[80]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:brace number 493@:110@:10.87201@:0@:141.70726@:141.70726@:0@:0@:brace49
3@} [110]
@{char@:Space@:33@:0@:2.42552@:0@:3.67502@:2.42552@:0@:space@} [33]
@{char@:brace number 528@:81@:12.12885@:0@:161.78175@:161.78175@:0@:0@:brace528
@} [81]
@{char@:brace number 494@:111@:10.90607@:0@:142.25085@:142.25085@:0@:0@:brace49
4@} [111]
@{char@:brace number 529@:82@:12.16702@:0@:162.3882@:162.3882@:0@:0@:brace529@}
[82]
@{char@:brace number 495@:112@:10.9404@:0@:142.79616@:142.79616@:0@:0@:brace495
@} [112]
@{char@:brace number 530@:83@:12.20493@:0@:162.99655@:162.99655@:0@:0@:brace530
@} [83]
@{char@:brace number 496@:113@:10.97446@:0@:143.34319@:143.34319@:0@:0@:brace49
6@} [113]
Invoking "fontforge -script feta23.pe feta23.pfb"...

@{char@:dynamic z@:122@:0@:3.6015@:0@:3.3075@:3.6015@:0@:z@} [122]
@{char@:brace number 531@:84@:12.2431@:0@:163.6068@:163.6068@:0@:0@:brace531@}
[84]
@{char@:brace number 497@:114@:11.00879@:0@:143.8919@:143.8919@:0@:0@:brace497@
} [114]
@{char@:brace number 532@:85@:12.28156@:0@:164.21895@:164.21895@:0@:0@:brace532
@} [85]
@{char@:brace number 498@:115@:11.0434@:0@:144.44234@:144.44234@:0@:0@:brace498
@} [115]
@{char@:dynamic f@:102@:0@:4.04254@:1.83751@:6.32103@:4.04254@:0@:f@} [102]
@{char@:brace number 499@:116@:11.078@:0@:144.9945@:144.9945@:0@:0@:brace499@}
[116]
@{char@:brace number 533@:86@:12.32@:0@:164.83302@:164.83302@:0@:0@:brace533@}
[86]
@{char@:brace number 500@:117@:11.11261@:0@:145.54842@:145.54842@:0@:0@:brace50
0@} [117]
@{char@:brace number 534@:87@:12.35846@:0@:165.44902@:165.44902@:0@:0@:brace534
@} [87]
@{char@:dynamic s@:115@:0@:2.60313@:0@:3.67502@:2.60313@:0@:s@} [115]
@{char@:brace number 501@:118@:11.14749@:0@:146.10405@:146.10405@:0@:0@:brace50
1@} [118]
@{char@:brace number 535@:88@:12.39719@:0@:166.06694@:166.06694@:0@:0@:brace535
@} [88]
@{char@:brace number 502@:119@:11.18237@:0@:146.66142@:146.66142@:0@:0@:brace50
2@} [119]
@{char@:brace number 536@:89@:12.43591@:0@:166.6868@:166.6868@:0@:0@:brace536@}
[89]
@{char@:brace number 503@:120@:11.21725@:0@:147.22054@:147.22054@:0@:0@:brace50
3@} [120]
@{char@:brace number 537@:90@:12.47491@:0@:167.3086@:167.3086@:0@:0@:brace537@}
[90]
@{char@:dynamic p@:112@:0@:4.59378@:1.83751@:3.67502@:4.59378@:0@:p@} [112]
@{char@:brace number 504@:121@:11.25241@:0@:147.7814@:147.7814@:0@:0@:brace504@
} [121]
@{char@:brace number 538@:91@:12.51392@:0@:167.93234@:167.93234@:0@:0@:brace538
@} [91]
@{char@:brace number 505@:122@:11.28757@:0@:148.34402@:148.34402@:0@:0@:brace50
5@} [122]
@{char@:brace number 539@:92@:12.55319@:0@:168.55804@:168.55804@:0@:0@:brace539
@} [92]
@{char@:brace number 506@:123@:11.323@:0@:148.9084@:148.9084@:0@:0@:brace506@}
[123]
@{char@:brace number 540@:93@:12.59247@:0@:169.1857@:169.1857@:0@:0@:brace540@}
[93]
@{char@:dynamic m@:109@:0@:5.51253@:0@:3.67502@:5.51253@:0@:m@} [109]
@{char@:brace number 507@:124@:11.35843@:0@:149.47455@:149.47455@:0@:0@:brace50
7@} [124]
@{char@:brace number 541@:94@:12.63202@:0@:169.81532@:169.81532@:0@:0@:brace541
@} [94]
@{char@:dynamic r@:114@:0@:2.75627@:0@:3.67502@:2.75627@:0@:r@} [114])
@{tnof@}) )
@{char@:brace number 508@:125@:11.39386@:0@:150.04247@:150.04247@:0@:0@:brace50
8@} [125]
@{char@:brace number 542@:95@:12.67157@:0@:170.44693@:170.44693@:0@:0@:brace542
@} [95]
@{char@:brace number 509@:126@:11.42957@:0@:150.61217@:150.61217@:0@:0@:brace50
9@} [126]
Font metrics written on feta-alphabet13.tfm.
21 output files written: feta-alphabet13.33 .. feta-alphabet13.122
Transcript written on feta-alphabet13.log.

@{char@:brace number 543@:96@:12.71112@:0@:171.0805@:171.0805@:0@:0@:brace543@}
[96]
@{char@:brace number 510@:127@:11.46555@:0@:151.18364@:151.18364@:0@:0@:brace51
0@} [127]
@{char@:brace number 544@:97@:12.75095@:0@:171.71606@:171.71606@:0@:0@:brace544
@} [97]
@{char@:brace number 511@:128@:11.50125@:0@:151.75693@:151.75693@:0@:0@:brace51
1@} [128]
@{tnof@}) )
@{char@:brace number 545@:98@:12.79077@:0@:172.3536@:172.3536@:0@:0@:brace545@}
[98]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-alphabet13
    font_weight:               Medium
    font_identifier:           feta-alphabet12.6
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -80
    font_underline_thickness:  40
    font_name:                 feta-alphabet13
    font_unique_id:            4180476
    font_size:                 12.5529265255293 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=79.6626984126984; bpppix 0.02; nonstopmode; input feta-alphabet13.mf'"...

(some charht values had to be adjusted by as much as 0.99455pt)
(some chardp values had to be adjusted by as much as 0.99455pt)
Font metrics written on feta-braces-h.tfm.
64 output files written: feta-braces-h.65 .. feta-braces-h.128
Transcript written on feta-braces-h.log.

@{char@:brace number 546@:99@:12.83087@:0@:172.99315@:172.99315@:0@:0@:brace546
@} [99]
@{char@:brace number 547@:100@:12.87097@:0@:173.63469@:173.63469@:0@:0@:brace54
7@} [100]
@{char@:brace number 548@:101@:12.91135@:0@:174.27824@:174.27824@:0@:0@:brace54
8@} [101]
@{char@:brace number 549@:102@:12.95172@:0@:174.92381@:174.92381@:0@:0@:brace54
9@} [102]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-braces-h
    font_weight:               Medium
    font_identifier:           feta-braces-h160
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -6
    font_underline_thickness:  3
    font_name:                 feta-braces-h
    font_unique_id:            4282625
    font_size:                 159.402241594022 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=6.2734375; bpppix 0.02; nonstopmode; input feta-braces-h.mf'"...

@{char@:brace number 550@:103@:12.99237@:0@:175.5714@:175.5714@:0@:0@:brace550@
} [103]
@{char@:brace number 551@:104@:13.03302@:0@:176.22101@:176.22101@:0@:0@:brace55
1@} [104]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 552@:105@:13.07367@:0@:176.87267@:176.87267@:0@:0@:brace55
2@} [105]
@{char@:brace number 553@:106@:13.1146@:0@:177.52635@:177.52635@:0@:0@:brace553
@} [106]
@{char@:brace number 554@:107@:13.15579@:0@:178.18208@:178.18208@:0@:0@:brace55
4@} [107]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 555@:108@:13.19699@:0@:178.83987@:178.83987@:0@:0@:brace55
5@} [108])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet13.mf
@{char@:brace number 556@:109@:13.23819@:0@:179.49973@:179.49973@:0@:0@:brace55
6@} [109]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:brace number 557@:110@:13.27966@:0@:180.16164@:180.16164@:0@:0@:brace55
7@} [110] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta26.pt1 feta26.pfb"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp
@{char@:brace number 558@:111@:13.32114@:0@:180.82562@:180.82562@:0@:0@:brace55
8@} [111] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mfCopyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-alphabet14.mf'"...

@{char@:brace number 559@:112@:13.36288@:0@:181.49167@:181.49167@:0@:0@:brace55
9@} [112])
@{char@:brace number 560@:113@:13.4049@:0@:182.15982@:182.15982@:0@:0@:brace560
@} [113]
@{font@:GNU@:LilyPond@:feta-alphabet@:12.6@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
@{char@:brace number 561@:114@:13.44666@:0@:182.83006@:182.83006@:0@:0@:brace56
1@} [114]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 562@:115@:13.48895@:0@:183.5024@:183.5024@:0@:0@:brace562@
} [115]
@{char@:Plus@:43@:0@:3.15001@:-1.575@:4.725@:3.15001@:0@:plus@} [43]
@{char@:brace number 563@:116@:13.53098@:0@:184.17683@:184.17683@:0@:0@:brace56
3@} [116])
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:1.33806@:2.0071@:1.33806@:1.33806@:0@:comma@}
[44]
@{char@:brace number 564@:117@:13.57355@:0@:184.8534@:184.8534@:0@:0@:brace564@
} [117]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-h.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mfFailed to change locale.

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Numeral dash@:45@:0@:2.1@:0@:6.3@:2.1@:0@:hyphen@} [45]
@{char@:brace number 565@:118@:13.61584@:0@:185.53207@:185.53207@:0@:0@:brace56
5@} [118]
@{char@:Numeral dot@:46@:0@:1.33806@:0@:1.33806@:1.33806@:0@:period@} [46]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:brace number 566@:119@:13.65842@:0@:186.21286@:186.21286@:0@:0@:brace56
6@} [119] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
w:237.17867
h:313.75555
@{char@:Numeral 0@:48@:0@:4.76239@:0@:6.3@:4.76239@:0@:zero@} [48]
@{char@:brace number 567@:120@:13.70126@:0@:186.89578@:186.89578@:0@:0@:brace56
7@} [120]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mfThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp
w:218.68666
h:313.75555
@{char@:Numeral 1@:49@:0@:4.39108@:0@:6.3@:4.39108@:0@:one@} [49] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp)
w:237.17867
h:313.75555
@{char@:Numeral 2@:50@:0@:4.76239@:0@:6.3@:4.76239@:0@:two@} [50]
w:215.61732
h:313.75555
@{char@:Numeral 3@:51@:0@:4.32945@:0@:6.3@:4.32945@:0@:three@} [51]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
Invoking "fontforge -script feta26.pe feta26.pfb"...
Failed to change locale.

@{char@:brace number 568@:121@:13.74411@:0@:187.58086@:187.58086@:0@:0@:brace56
8@} [121]
w:258.74155
h:313.75555
@{char@:Numeral 4@:52@:0@:5.19536@:0@:6.3@:5.19536@:0@:four@} [52])
@{font@:GNU@:LilyPond@:feta-braces-h@:160@:fetaBraces@}
@{char@:brace number 448@:65@:9.44571@:0@:118.92307@:118.92307@:0@:0@:brace448@
} [65]
@{char@:brace number 569@:122@:13.78723@:0@:188.26805@:188.26805@:0@:0@:brace56
9@} [122]
w:218.31277
h:313.75555
@{char@:Numeral 5@:53@:0@:4.38358@:0@:6.3@:4.38358@:0@:five@} [53]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet14.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:brace number 449@:66@:9.4751@:0@:119.39534@:119.39534@:0@:0@:brace449@}
[66]
@{char@:brace number 570@:123@:13.83035@:0@:188.95741@:188.95741@:0@:0@:brace57
0@} [123]
w:219.92761
h:313.75555
@{char@:Numeral 6@:54@:0@:4.416@:0@:6.3@:4.416@:0@:six@} [54]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:brace number 450@:67@:9.50476@:0@:119.8691@:119.8691@:0@:0@:brace450@}
[67]
@{char@:brace number 571@:124@:13.87375@:0@:189.64894@:189.64894@:0@:0@:brace57
1@} [124]
w:215.33463
h:313.75555
@{char@:Numeral 7@:55@:0@:4.32378@:0@:6.3@:4.32378@:0@:seven@} [55]
@{char@:brace number 451@:68@:9.5347@:0@:120.34433@:120.34433@:0@:0@:brace451@}
[68]
@{char@:brace number 572@:125@:13.91714@:0@:190.34262@:190.34262@:0@:0@:brace57
2@} [125])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 452@:69@:9.56436@:0@:120.82108@:120.82108@:0@:0@:brace452@
} [69]
w:237.17867
h:313.75555
@{char@:Numeral 8@:56@:0@:4.76239@:0@:6.3@:4.76239@:0@:eight@} [56]
@{char@:brace number 573@:126@:13.96054@:0@:191.03848@:191.03848@:0@:0@:brace57
3@} [126]
@{char@:brace number 453@:70@:9.5943@:0@:121.29929@:121.29929@:0@:0@:brace453@}
[70]
w:219.92761
h:313.75555
@{char@:Numeral 9@:57@:0@:4.416@:0@:6.3@:4.416@:0@:nine@} [57]))
@{char@:brace number 574@:127@:14.00449@:0@:191.73651@:191.73651@:0@:0@:brace57
4@} [127]
@{font@:GNU@:LilyPond@:feta-alphabet@:14.14@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:brace number 454@:71@:9.62451@:0@:121.779@:121.779@:0@:0@:brace454@}
[71]
@{char@:Space@:33@:0@:2.42552@:0@:3.67502@:2.42552@:0@:space@} [33]
@{char@:brace number 575@:128@:14.04816@:0@:192.43674@:192.43674@:0@:0@:brace57
5@} [128]
@{tnof@}) )
@{char@:brace number 455@:72@:9.65445@:0@:122.26022@:122.26022@:0@:0@:brace455@
} [72]
(some charht values had to be adjusted by as much as 1.2148pt)
(some chardp values had to be adjusted by as much as 1.2148pt)
Font metrics written on feta-braces-i.tfm.
64 output files written: feta-braces-i.65 .. feta-braces-i.128
Transcript written on feta-braces-i.log.

@{char@:brace number 456@:73@:9.68466@:0@:122.74295@:122.74295@:0@:0@:brace456@
} [73]
@{char@:Plus@:43@:0@:3.535@:-1.7675@:5.3025@:3.535@:0@:plus@} [43]
@{char@:brace number 457@:74@:9.71515@:0@:123.22717@:123.22717@:0@:0@:brace457@
} [74]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:1.55054@:2.3258@:1.55054@:1.55054@:0@:comma@}
[44]
@{char@:brace number 458@:75@:9.74564@:0@:123.71294@:123.71294@:0@:0@:brace458@
} [75]
@{char@:dynamic z@:122@:0@:3.6015@:0@:3.3075@:3.6015@:0@:z@} [122]
@{char@:Numeral dash@:45@:0@:2.35667@:0@:7.07@:2.35667@:0@:hyphen@} [45]
@{char@:brace number 459@:76@:9.77612@:0@:124.20021@:124.20021@:0@:0@:brace459@
} [76]
@{char@:Numeral dot@:46@:0@:1.55054@:0@:1.55054@:1.55054@:0@:period@} [46]
@{char@:brace number 460@:77@:9.80661@:0@:124.68903@:124.68903@:0@:0@:brace460@
} [77]
w:264.51317
h:352.10365
@{char@:Numeral 0@:48@:0@:5.31125@:0@:7.07@:5.31125@:0@:zero@} [48]
@{char@:dynamic f@:102@:0@:4.04254@:1.83751@:6.32103@:4.04254@:0@:f@} [102]
@{char@:brace number 461@:78@:9.83737@:0@:125.17935@:125.17935@:0@:0@:brace461@
} [78]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-braces-i
    font_weight:               Medium
    font_identifier:           feta-braces-i180
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -6
    font_underline_thickness:  3
    font_name:                 feta-braces-i
    font_unique_id:            4565508
    font_size:                 179.327521793275 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=5.57638888888889; bpppix 0.02; nonstopmode; input feta-braces-i.mf'"...

@{char@:dynamic s@:115@:0@:2.60313@:0@:3.67502@:2.60313@:0@:s@} [115]
@{char@:brace number 462@:79@:9.86813@:0@:125.67122@:125.67122@:0@:0@:brace462@
} [79]
w:240.92055
h:352.10365
@{char@:Numeral 1@:49@:0@:4.83752@:0@:7.07@:4.83752@:0@:one@} [49]
@{char@:brace number 463@:80@:9.8989@:0@:126.16463@:126.16463@:0@:0@:brace463@}
[80]
@{char@:brace number 464@:81@:9.92993@:0@:126.65958@:126.65958@:0@:0@:brace464@
} [81]
w:264.51317
h:352.10365
@{char@:Numeral 2@:50@:0@:5.31125@:0@:7.07@:5.31125@:0@:two@} [50]
@{char@:dynamic p@:112@:0@:4.59378@:1.83751@:3.67502@:4.59378@:0@:p@} [112]
@{char@:brace number 465@:82@:9.96097@:0@:127.15607@:127.15607@:0@:0@:brace465@
} [82]
w:240.46611
h:352.10365
@{char@:Numeral 3@:51@:0@:4.8284@:0@:7.07@:4.8284@:0@:three@} [51]
@{char@:brace number 466@:83@:9.99228@:0@:127.65411@:127.65411@:0@:0@:brace466@
} [83]
@{char@:dynamic m@:109@:0@:5.51253@:0@:3.67502@:5.51253@:0@:m@} [109]
w:288.56024
h:352.10365
@{char@:Numeral 4@:52@:0@:5.7941@:0@:7.07@:5.7941@:0@:four@} [52]
@{char@:brace number 467@:84@:10.02359@:0@:128.15373@:128.15373@:0@:0@:brace467
@} [84]
@{char@:dynamic r@:114@:0@:2.75627@:0@:3.67502@:2.75627@:0@:r@} [114])
@{tnof@}) )
@{char@:brace number 468@:85@:10.0549@:0@:128.6549@:128.6549@:0@:0@:brace468@}
[85]
w:243.47313
h:352.10365
@{char@:Numeral 5@:53@:0@:4.88878@:0@:7.07@:4.88878@:0@:five@} [53]
Font metrics written on feta-alphabet13.tfm.
21 output files written: feta-alphabet13.33 .. feta-alphabet13.122
Transcript written on feta-alphabet13.log.

@{char@:brace number 469@:86@:10.08649@:0@:129.15765@:129.15765@:0@:0@:brace469
@} [86]
w:245.27339
h:352.10365
@{char@:Numeral 6@:54@:0@:4.92493@:0@:7.07@:4.92493@:0@:six@} [54]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 470@:87@:10.11807@:0@:129.66199@:129.66199@:0@:0@:brace470
@} [87]
@{char@:brace number 471@:88@:10.14966@:0@:130.1679@:130.1679@:0@:0@:brace471@}
[88]
w:240.8552
h:352.10365
@{char@:Numeral 7@:55@:0@:4.83621@:0@:7.07@:4.83621@:0@:seven@} [55]
@{char@:brace number 472@:89@:10.18152@:0@:130.67537@:130.67537@:0@:0@:brace472
@} [89]
w:264.51317
h:352.10365
@{char@:Numeral 8@:56@:0@:5.31125@:0@:7.07@:5.31125@:0@:eight@} [56]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 473@:90@:10.21338@:0@:131.18445@:131.18445@:0@:0@:brace473
@} [90]
w:245.27339
h:352.10365
@{char@:Numeral 9@:57@:0@:4.92493@:0@:7.07@:4.92493@:0@:nine@} [57])
@{char@:brace number 474@:91@:10.24524@:0@:131.69511@:131.69511@:0@:0@:brace474
@} [91]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces-i.mf
@{char@:Space@:33@:0@:2.72197@:0@:4.12418@:2.72197@:0@:space@} [33]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-braces.mf
@{char@:brace number 475@:92@:10.27737@:0@:132.20738@:132.20738@:0@:0@:brace475
@} [92]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mfInvoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-alphabet16.mf'"...

******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:brace number 476@:93@:10.30951@:0@:132.72125@:132.72125@:0@:0@:brace476
@} [93]
@{font@:GNU@:LilyPond@:feta-braces-i@:180@:fetaBraces@}
@{char@:brace number 512@:65@:11.53723@:0@:152.33199@:152.33199@:0@:0@:brace512
@} [65]
@{char@:brace number 477@:94@:10.34164@:0@:133.23672@:133.23672@:0@:0@:brace477
@} [94]Failed to change locale.
(./mf2pt1.mpFailed to change locale.
 (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:dynamic z@:122@:0@:4.04167@:0@:3.71173@:4.04167@:0@:z@} [122]
@{char@:brace number 513@:66@:11.57349@:0@:152.90884@:152.90884@:0@:0@:brace513
@} [66]
@{char@:brace number 514@:67@:11.60974@:0@:153.48752@:153.48752@:0@:0@:brace514
@} [67]
@{char@:brace number 515@:68@:11.646@:0@:154.06801@:154.06801@:0@:0@:brace515@}
[68]
@{char@:brace number 516@:69@:11.68253@:0@:154.65031@:154.65031@:0@:0@:brace516
@} [69]
@{char@:dynamic f@:102@:0@:4.53662@:2.06209@:7.09358@:4.53662@:0@:f@} [102]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 517@:70@:11.71906@:0@:155.23444@:155.23444@:0@:0@:brace517
@} [70]
@{char@:brace number 518@:71@:11.75558@:0@:155.82039@:155.82039@:0@:0@:brace518
@} [71])
@{char@:dynamic s@:115@:0@:2.9213@:0@:4.12418@:2.9213@:0@:s@} [115]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet16.mf
@{char@:brace number 519@:72@:11.79239@:0@:156.40817@:156.40817@:0@:0@:brace519
@} [72]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:brace number 520@:73@:11.82947@:0@:156.99779@:156.99779@:0@:0@:brace520
@} [73]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:brace number 521@:74@:11.86655@:0@:157.58926@:157.58926@:0@:0@:brace521
@} [74]
*** Successfully generated feta-braces-f.pfb! ***
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 522@:75@:11.90363@:0@:158.1826@:158.1826@:0@:0@:brace522@}
[75]
@{char@:dynamic p@:112@:0@:5.15523@:2.06209@:4.12418@:5.15523@:0@:p@} [112]
@{char@:brace number 478@:95@:10.37405@:0@:133.7538@:133.7538@:0@:0@:brace478@}
[95]
@{char@:brace number 479@:96@:10.40674@:0@:134.2725@:134.2725@:0@:0@:brace479@}
[96])
@{font@:GNU@:LilyPond@:feta-alphabet@:15.87@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
@{char@:brace number 480@:97@:10.43915@:0@:134.79285@:134.79285@:0@:0@:brace480
@} [97]
@{char@:brace number 481@:98@:10.47183@:0@:135.3148@:135.3148@:0@:0@:brace481@}
[98]
@{char@:brace number 523@:76@:11.94098@:0@:158.77779@:158.77779@:0@:0@:brace523
@} [76]
@{char@:dynamic m@:109@:0@:6.18626@:0@:4.12418@:6.18626@:0@:m@} [109]
@{char@:Plus@:43@:0@:3.9675@:-1.98375@:5.95125@:3.9675@:0@:plus@} [43]
@{char@:brace number 482@:99@:10.50479@:0@:135.8384@:135.8384@:0@:0@:brace482@}
[99]
@{char@:brace number 483@:100@:10.53748@:0@:136.36363@:136.36363@:0@:0@:brace48
3@} [100]
@{char@:dynamic r@:114@:0@:3.09314@:0@:4.12418@:3.09314@:0@:r@} [114])
@{tnof@}) )( echo ./out/feta-alphabet18.pfb:  > out/feta-alphabet18.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-alphabet18.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-alphabet18 --fullname=feta-alphabet18 --name=feta-alphabet18 feta-alphabet18.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:brace number 524@:77@:11.97833@:0@:159.37483@:159.37483@:0@:0@:brace524
@} [77]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:1.78111@:2.67168@:1.78111@:1.78111@:0@:comma@}
[44]
@{char@:brace number 484@:101@:10.57043@:0@:136.8905@:136.8905@:0@:0@:brace484@
} [101]
Font metrics written on feta-alphabet14.tfm.
21 output files written: feta-alphabet14.33 .. feta-alphabet14.122
Transcript written on feta-alphabet14.log.

@{char@:brace number 525@:78@:12.01569@:0@:159.97374@:159.97374@:0@:0@:brace525
@} [78]
@{char@:brace number 485@:102@:10.60367@:0@:137.41902@:137.41902@:0@:0@:brace48
5@} [102]
@{char@:Numeral dash@:45@:0@:2.645@:0@:7.935@:2.645@:0@:hyphen@} [45]
@{char@:brace number 486@:103@:10.6369@:0@:137.9492@:137.9492@:0@:0@:brace486@}
[103]
@{char@:Numeral dot@:46@:0@:1.78111@:0@:1.78111@:1.78111@:0@:period@} [46]
@{char@:brace number 526@:79@:12.05331@:0@:160.57452@:160.57452@:0@:0@:brace526
@} [79]
@{char@:brace number 487@:104@:10.67014@:0@:138.48105@:138.48105@:0@:0@:brace48
7@} [104]
w:294.78403
h:395.18228
@{char@:Numeral 0@:48@:0@:5.91907@:0@:7.935@:5.91907@:0@:zero@} [48]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-alphabet14
    font_weight:               Medium
    font_identifier:           feta-alphabet14.14
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -71
    font_underline_thickness:  35
    font_name:                 feta-alphabet14
    font_unique_id:            4030397
    font_size:                 14.0871731008717 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=70.9865629420085; bpppix 0.02; nonstopmode; input feta-alphabet14.mf'"...

@{char@:brace number 527@:80@:12.09122@:0@:161.1772@:161.1772@:0@:0@:brace527@}
[80]
@{char@:brace number 488@:105@:10.70364@:0@:139.01456@:139.01456@:0@:0@:brace48
8@} [105]
@{char@:brace number 528@:81@:12.12885@:0@:161.78175@:161.78175@:0@:0@:brace528
@} [81]
@{char@:brace number 489@:106@:10.73715@:0@:139.54973@:139.54973@:0@:0@:brace48
9@} [106]
@{char@:brace number 490@:107@:10.77066@:0@:140.0866@:140.0866@:0@:0@:brace490@
} [107]
@{char@:brace number 529@:82@:12.16702@:0@:162.3882@:162.3882@:0@:0@:brace529@}
[82]
w:264.73888
h:395.18228
@{char@:Numeral 1@:49@:0@:5.31578@:0@:7.935@:5.31578@:0@:one@} [49]
@{char@:brace number 491@:108@:10.80444@:0@:140.62512@:140.62512@:0@:0@:brace49
1@} [108]
@{char@:brace number 492@:109@:10.83823@:0@:141.16534@:141.16534@:0@:0@:brace49
2@} [109]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 493@:110@:10.87201@:0@:141.70726@:141.70726@:0@:0@:brace49
3@} [110](./mf2pt1.mp
w:294.78403
h:395.18228
@{char@:Numeral 2@:50@:0@:5.91907@:0@:7.935@:5.91907@:0@:two@} [50] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mpInternal Error (overlap) in scripts.reverseturn: Fixup error 2 in MergeIntersections.
Internal Error (overlap) in scripts.reverseturn: Could not find finalm
w:267.98528
h:395.18228
@{char@:Numeral 3@:51@:0@:5.38097@:0@:7.935@:5.38097@:0@:three@} [51]Internal Error (overlap) in scripts.turn: Fixup error 2 in MergeIntersections.

Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 530@:83@:12.20493@:0@:162.99655@:162.99655@:0@:0@:brace530
@} [83]Internal Error (overlap) in scripts.turn: Could not find finalm
w:321.58202
h:395.18228
@{char@:Numeral 4@:52@:0@:6.45715@:0@:7.935@:6.45715@:0@:four@} [52])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet14.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
w:271.33502
h:395.18228
@{char@:Numeral 5@:53@:0@:5.44823@:0@:7.935@:5.44823@:0@:five@} [53]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:brace number 494@:111@:10.90607@:0@:142.25085@:142.25085@:0@:0@:brace49
4@} [111]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
w:273.34198
h:395.18228
@{char@:Numeral 6@:54@:0@:5.48853@:0@:7.935@:5.48853@:0@:six@} [54]
@{char@:brace number 495@:112@:10.9404@:0@:142.79616@:142.79616@:0@:0@:brace495
@} [112])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 496@:113@:10.97446@:0@:143.34319@:143.34319@:0@:0@:brace49
6@} [113]
w:269.29082
h:395.18228
@{char@:Numeral 7@:55@:0@:5.40718@:0@:7.935@:5.40718@:0@:seven@} [55]
@{char@:brace number 497@:114@:11.00879@:0@:143.8919@:143.8919@:0@:0@:brace497@
} [114])
@{char@:brace number 531@:84@:12.2431@:0@:163.6068@:163.6068@:0@:0@:brace531@}
[84]
@{font@:GNU@:LilyPond@:feta-alphabet@:14.14@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
w:294.78403
h:395.18228
@{char@:Numeral 8@:56@:0@:5.91907@:0@:7.935@:5.91907@:0@:eight@} [56]
@{char@:brace number 498@:115@:11.0434@:0@:144.44234@:144.44234@:0@:0@:brace498
@} [115]
@{char@:brace number 499@:116@:11.078@:0@:144.9945@:144.9945@:0@:0@:brace499@}
[116]
@{char@:brace number 532@:85@:12.28156@:0@:164.21895@:164.21895@:0@:0@:brace532
@} [85]
w:273.34198
h:395.18228
@{char@:Numeral 9@:57@:0@:5.48853@:0@:7.935@:5.48853@:0@:nine@} [57]
@{char@:brace number 500@:117@:11.11261@:0@:145.54842@:145.54842@:0@:0@:brace50
0@} [117])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:brace number 533@:86@:12.32@:0@:164.83302@:164.83302@:0@:0@:brace533@}
[86]
@{char@:Plus@:43@:0@:3.535@:-1.7675@:5.3025@:3.535@:0@:plus@} [43]
@{char@:brace number 501@:118@:11.14749@:0@:146.10405@:146.10405@:0@:0@:brace50
1@} [118]
@{char@:Space@:33@:0@:3.055@:0@:4.62875@:3.055@:0@:space@} [33]
@{char@:brace number 534@:87@:12.35846@:0@:165.44902@:165.44902@:0@:0@:brace534
@} [87]
@{char@:brace number 502@:119@:11.18237@:0@:146.66142@:146.66142@:0@:0@:brace50
2@} [119]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:1.55054@:2.3258@:1.55054@:1.55054@:0@:comma@}
[44]
@{char@:brace number 535@:88@:12.39719@:0@:166.06694@:166.06694@:0@:0@:brace535
@} [88]
@{char@:dynamic z@:122@:0@:4.53616@:0@:4.16585@:4.53616@:0@:z@} [122]
@{char@:brace number 503@:120@:11.21725@:0@:147.22054@:147.22054@:0@:0@:brace50
3@} [120]
@{char@:Numeral dash@:45@:0@:2.35667@:0@:7.07@:2.35667@:0@:hyphen@} [45]
@{char@:brace number 536@:89@:12.43591@:0@:166.6868@:166.6868@:0@:0@:brace536@}
[89]
@{char@:brace number 504@:121@:11.25241@:0@:147.7814@:147.7814@:0@:0@:brace504@
} [121]
@{char@:Numeral dot@:46@:0@:1.55054@:0@:1.55054@:1.55054@:0@:period@} [46]
@{char@:brace number 537@:90@:12.47491@:0@:167.3086@:167.3086@:0@:0@:brace537@}
[90]
@{char@:dynamic f@:102@:0@:5.09166@:2.31438@:7.96146@:5.09166@:0@:f@} [102]
@{char@:brace number 505@:122@:11.28757@:0@:148.34402@:148.34402@:0@:0@:brace50
5@} [122]
w:264.51317
h:352.10365
@{char@:Numeral 0@:48@:0@:5.31125@:0@:7.07@:5.31125@:0@:zero@} [48]
@{char@:brace number 538@:91@:12.51392@:0@:167.93234@:167.93234@:0@:0@:brace538
@} [91]
@{char@:dynamic s@:115@:0@:3.2787@:0@:4.62875@:3.2787@:0@:s@} [115]
@{char@:brace number 506@:123@:11.323@:0@:148.9084@:148.9084@:0@:0@:brace506@}
[123]
@{char@:brace number 539@:92@:12.55319@:0@:168.55804@:168.55804@:0@:0@:brace539
@} [92]
@{char@:brace number 507@:124@:11.35843@:0@:149.47455@:149.47455@:0@:0@:brace50
7@} [124]
@{char@:brace number 540@:93@:12.59247@:0@:169.1857@:169.1857@:0@:0@:brace540@}
[93]
w:240.92055
h:352.10365
@{char@:Numeral 1@:49@:0@:4.83752@:0@:7.07@:4.83752@:0@:one@} [49]
@{char@:brace number 508@:125@:11.39386@:0@:150.04247@:150.04247@:0@:0@:brace50
8@} [125]
@{char@:brace number 541@:94@:12.63202@:0@:169.81532@:169.81532@:0@:0@:brace541
@} [94]
@{char@:dynamic p@:112@:0@:5.78595@:2.31438@:4.62875@:5.78595@:0@:p@} [112]
@{char@:brace number 509@:126@:11.42957@:0@:150.61217@:150.61217@:0@:0@:brace50
9@} [126]
@{char@:brace number 542@:95@:12.67157@:0@:170.44693@:170.44693@:0@:0@:brace542
@} [95]
w:264.51317
h:352.10365
@{char@:Numeral 2@:50@:0@:5.31125@:0@:7.07@:5.31125@:0@:two@} [50]
@{char@:brace number 510@:127@:11.46555@:0@:151.18364@:151.18364@:0@:0@:brace51
0@} [127]
@{char@:brace number 543@:96@:12.71112@:0@:171.0805@:171.0805@:0@:0@:brace543@}
[96]
@{char@:brace number 511@:128@:11.50125@:0@:151.75693@:151.75693@:0@:0@:brace51
1@} [128]
@{tnof@}) )
w:240.46611
h:352.10365
@{char@:Numeral 3@:51@:0@:4.8284@:0@:7.07@:4.8284@:0@:three@} [51]
@{char@:brace number 544@:97@:12.75095@:0@:171.71606@:171.71606@:0@:0@:brace544
@} [97]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-alphabet13.pt1 feta-alphabet13.pfb"...

@{char@:brace number 545@:98@:12.79077@:0@:172.3536@:172.3536@:0@:0@:brace545@}
[98]
(some charht values had to be adjusted by as much as 0.99455pt)
(some chardp values had to be adjusted by as much as 0.99455pt)
Font metrics written on feta-braces-h.tfm.
64 output files written: feta-braces-h.65 .. feta-braces-h.128
Transcript written on feta-braces-h.log.

@{char@:brace number 546@:99@:12.83087@:0@:172.99315@:172.99315@:0@:0@:brace546
@} [99]
w:288.56024
h:352.10365
@{char@:Numeral 4@:52@:0@:5.7941@:0@:7.07@:5.7941@:0@:four@} [52]
@{char@:dynamic m@:109@:0@:6.94313@:0@:4.62875@:6.94313@:0@:m@} [109]
@{char@:brace number 547@:100@:12.87097@:0@:173.63469@:173.63469@:0@:0@:brace54
7@} [100]
w:243.47313
h:352.10365
@{char@:Numeral 5@:53@:0@:4.88878@:0@:7.07@:4.88878@:0@:five@} [53]
@{char@:dynamic r@:114@:0@:3.47157@:0@:4.62875@:3.47157@:0@:r@} [114])
@{tnof@}) )
@{char@:brace number 548@:101@:12.91135@:0@:174.27824@:174.27824@:0@:0@:brace54
8@} [101]
Font metrics written on feta-alphabet16.tfm.
21 output files written: feta-alphabet16.33 .. feta-alphabet16.122
Transcript written on feta-alphabet16.log.

@{char@:brace number 549@:102@:12.95172@:0@:174.92381@:174.92381@:0@:0@:brace54
9@} [102]
@{char@:brace number 550@:103@:12.99237@:0@:175.5714@:175.5714@:0@:0@:brace550@
} [103]
w:245.27339
h:352.10365
@{char@:Numeral 6@:54@:0@:4.92493@:0@:7.07@:4.92493@:0@:six@} [54]
Invoking "fontforge -script feta-alphabet13.pe feta-alphabet13.pfb"...

@{char@:brace number 551@:104@:13.03302@:0@:176.22101@:176.22101@:0@:0@:brace55
1@} [104]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-alphabet16
    font_weight:               Medium
    font_identifier:           feta-alphabet15.87
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -63
    font_underline_thickness:  32
    font_name:                 feta-alphabet16
    font_unique_id:            4665098
    font_size:                 15.8107098381071 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=63.2482671707624; bpppix 0.02; nonstopmode; input feta-alphabet16.mf'"...

w:240.8552
h:352.10365
@{char@:Numeral 7@:55@:0@:4.83621@:0@:7.07@:4.83621@:0@:seven@} [55]
@{char@:brace number 552@:105@:13.07367@:0@:176.87267@:176.87267@:0@:0@:brace55
2@} [105]
@{char@:brace number 553@:106@:13.1146@:0@:177.52635@:177.52635@:0@:0@:brace553
@} [106]
w:264.51317
h:352.10365
@{char@:Numeral 8@:56@:0@:5.31125@:0@:7.07@:5.31125@:0@:eight@} [56]
@{char@:brace number 554@:107@:13.15579@:0@:178.18208@:178.18208@:0@:0@:brace55
4@} [107]
w:245.27339
h:352.10365
@{char@:Numeral 9@:57@:0@:4.92493@:0@:7.07@:4.92493@:0@:nine@} [57])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:brace number 555@:108@:13.19699@:0@:178.83987@:178.83987@:0@:0@:brace55
5@} [108]
@{char@:Space@:33@:0@:2.72197@:0@:4.12418@:2.72197@:0@:space@} [33]
@{char@:brace number 556@:109@:13.23819@:0@:179.49973@:179.49973@:0@:0@:brace55
6@} [109]
@{char@:brace number 557@:110@:13.27966@:0@:180.16164@:180.16164@:0@:0@:brace55
7@} [110]
@{char@:brace number 558@:111@:13.32114@:0@:180.82562@:180.82562@:0@:0@:brace55
8@} [111]
@{char@:dynamic z@:122@:0@:4.04167@:0@:3.71173@:4.04167@:0@:z@} [122]
@{char@:brace number 559@:112@:13.36288@:0@:181.49167@:181.49167@:0@:0@:brace55
9@} [112]
@{char@:dynamic f@:102@:0@:4.53662@:2.06209@:7.09358@:4.53662@:0@:f@} [102]
@{char@:brace number 560@:113@:13.4049@:0@:182.15982@:182.15982@:0@:0@:brace560
@} [113]
@{char@:brace number 561@:114@:13.44666@:0@:182.83006@:182.83006@:0@:0@:brace56
1@} [114]
@{char@:dynamic s@:115@:0@:2.9213@:0@:4.12418@:2.9213@:0@:s@} [115]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:brace number 562@:115@:13.48895@:0@:183.5024@:183.5024@:0@:0@:brace562@
} [115](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:brace number 563@:116@:13.53098@:0@:184.17683@:184.17683@:0@:0@:brace56
3@} [116]
@{char@:brace number 564@:117@:13.57355@:0@:184.8534@:184.8534@:0@:0@:brace564@
} [117]
@{char@:dynamic p@:112@:0@:5.15523@:2.06209@:4.12418@:5.15523@:0@:p@} [112]Internal Error (overlap) in clefs.tab: monotonic is both needed and unneeded (418.433,-452.503)->(486.995,-375.519). y=-452.503 (prev=451.944)

@{char@:brace number 565@:118@:13.61584@:0@:185.53207@:185.53207@:0@:0@:brace56
5@} [118]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:brace number 566@:119@:13.65842@:0@:186.21286@:186.21286@:0@:0@:brace56
6@} [119]
@{char@:brace number 567@:120@:13.70126@:0@:186.89578@:186.89578@:0@:0@:brace56
7@} [120])
@{char@:dynamic m@:109@:0@:6.18626@:0@:4.12418@:6.18626@:0@:m@} [109]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet16.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:brace number 568@:121@:13.74411@:0@:187.58086@:187.58086@:0@:0@:brace56
8@} [121])
@{char@:dynamic r@:114@:0@:3.09314@:0@:4.12418@:3.09314@:0@:r@} [114])
@{tnof@}) )
@{font@:GNU@:LilyPond@:feta-alphabet@:15.87@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
@{char@:brace number 569@:122@:13.78723@:0@:188.26805@:188.26805@:0@:0@:brace56
9@} [122]
Font metrics written on feta-alphabet14.tfm.
21 output files written: feta-alphabet14.33 .. feta-alphabet14.122
Transcript written on feta-alphabet14.log.

@{char@:brace number 570@:123@:13.83035@:0@:188.95741@:188.95741@:0@:0@:brace57
0@} [123]
@{char@:brace number 571@:124@:13.87375@:0@:189.64894@:189.64894@:0@:0@:brace57
1@} [124]
@{char@:Plus@:43@:0@:3.9675@:-1.98375@:5.95125@:3.9675@:0@:plus@} [43]
@{char@:brace number 572@:125@:13.91714@:0@:190.34262@:190.34262@:0@:0@:brace57
2@} [125]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:1.78111@:2.67168@:1.78111@:1.78111@:0@:comma@}
[44]
@{char@:brace number 573@:126@:13.96054@:0@:191.03848@:191.03848@:0@:0@:brace57
3@} [126]
@{char@:Numeral dash@:45@:0@:2.645@:0@:7.935@:2.645@:0@:hyphen@} [45]
@{char@:brace number 574@:127@:14.00449@:0@:191.73651@:191.73651@:0@:0@:brace57
4@} [127]
@{char@:Numeral dot@:46@:0@:1.78111@:0@:1.78111@:1.78111@:0@:period@} [46]
@{char@:brace number 575@:128@:14.04816@:0@:192.43674@:192.43674@:0@:0@:brace57
5@} [128]
@{tnof@}) )
w:294.78403
h:395.18228
@{char@:Numeral 0@:48@:0@:5.91907@:0@:7.935@:5.91907@:0@:zero@} [48]
(some charht values had to be adjusted by as much as 1.2148pt)
(some chardp values had to be adjusted by as much as 1.2148pt)
Font metrics written on feta-braces-i.tfm.
64 output files written: feta-braces-i.65 .. feta-braces-i.128
Transcript written on feta-braces-i.log.

w:264.73888
h:395.18228
@{char@:Numeral 1@:49@:0@:5.31578@:0@:7.935@:5.31578@:0@:one@} [49]
w:294.78403
h:395.18228
@{char@:Numeral 2@:50@:0@:5.91907@:0@:7.935@:5.91907@:0@:two@} [50]
w:267.98528
h:395.18228
@{char@:Numeral 3@:51@:0@:5.38097@:0@:7.935@:5.38097@:0@:three@} [51]
w:321.58202
h:395.18228
@{char@:Numeral 4@:52@:0@:6.45715@:0@:7.935@:6.45715@:0@:four@} [52]
w:271.33502
h:395.18228
@{char@:Numeral 5@:53@:0@:5.44823@:0@:7.935@:5.44823@:0@:five@} [53]
w:273.34198
h:395.18228
@{char@:Numeral 6@:54@:0@:5.48853@:0@:7.935@:5.48853@:0@:six@} [54]
w:269.29082
h:395.18228
@{char@:Numeral 7@:55@:0@:5.40718@:0@:7.935@:5.40718@:0@:seven@} [55]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

w:294.78403
h:395.18228
@{char@:Numeral 8@:56@:0@:5.91907@:0@:7.935@:5.91907@:0@:eight@} [56]
w:273.34198
h:395.18228
@{char@:Numeral 9@:57@:0@:5.48853@:0@:7.935@:5.48853@:0@:nine@} [57])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:Space@:33@:0@:3.055@:0@:4.62875@:3.055@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:4.53616@:0@:4.16585@:4.53616@:0@:z@} [122]
@{char@:dynamic f@:102@:0@:5.09166@:2.31438@:7.96146@:5.09166@:0@:f@} [102]Failed to change locale.

@{char@:dynamic s@:115@:0@:3.2787@:0@:4.62875@:3.2787@:0@:s@} [115]
@{char@:dynamic p@:112@:0@:5.78595@:2.31438@:4.62875@:5.78595@:0@:p@} [112]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-alphabet18.mf'"...

@{char@:dynamic m@:109@:0@:6.94313@:0@:4.62875@:6.94313@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:3.47157@:0@:4.62875@:3.47157@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet16.tfm.
21 output files written: feta-alphabet16.33 .. feta-alphabet16.122
Transcript written on feta-alphabet16.log.
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet18.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:17.82@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
@{char@:Plus@:43@:0@:4.455@:-2.22751@:6.68251@:4.455@:0@:plus@} [43]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:2.0307@:3.04605@:2.0307@:2.0307@:0@:comma@} [44]
@{char@:Numeral dash@:45@:0@:2.97@:0@:8.91@:2.97@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:2.0307@:0@:2.0307@:2.0307@:0@:period@} [46]
w:328.36359
h:443.73996
@{char@:Numeral 0@:48@:0@:6.59332@:0@:8.91@:6.59332@:0@:zero@} [48]
w:290.11429
h:443.73996
@{char@:Numeral 1@:49@:0@:5.8253@:0@:8.91@:5.8253@:0@:one@} [49]
w:328.36359
h:443.73996
@{char@:Numeral 2@:50@:0@:6.59332@:0@:8.91@:6.59332@:0@:two@} [50]Failed to change locale.

w:298.51222
h:443.73996
@{char@:Numeral 3@:51@:0@:5.99393@:0@:8.91@:5.99393@:0@:three@} [51]
w:358.21497
h:443.73996
@{char@:Numeral 4@:52@:0@:7.19272@:0@:8.91@:7.19272@:0@:four@} [52]
w:302.24345
h:443.73996
@{char@:Numeral 5@:53@:0@:6.06885@:0@:8.91@:6.06885@:0@:five@} [53]
w:304.47914
h:443.73996
@{char@:Numeral 6@:54@:0@:6.11374@:0@:8.91@:6.11374@:0@:six@} [54]
*** Successfully generated feta-alphabet13.pfb! ***

w:301.05037
h:443.73996
@{char@:Numeral 7@:55@:0@:6.04489@:0@:8.91@:6.04489@:0@:seven@} [55]
w:328.36359
h:443.73996
@{char@:Numeral 8@:56@:0@:6.59332@:0@:8.91@:6.59332@:0@:eight@} [56]
w:304.47914
h:443.73996
@{char@:Numeral 9@:57@:0@:6.11374@:0@:8.91@:6.11374@:0@:nine@} [57])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:Space@:33@:0@:3.43037@:0@:5.19751@:3.43037@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:5.09354@:0@:4.67773@:5.09354@:0@:z@} [122]( echo ./out/feta-alphabet20.pfb:  > out/feta-alphabet20.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-alphabet20.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-alphabet20 --fullname=feta-alphabet20 --name=feta-alphabet20 feta-alphabet20.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:dynamic f@:102@:0@:5.71729@:2.59875@:8.93973@:5.71729@:0@:f@} [102]
@{char@:dynamic s@:115@:0@:3.68156@:0@:5.19751@:3.68156@:0@:s@} [115]
@{char@:dynamic p@:112@:0@:6.49689@:2.59875@:5.19751@:6.49689@:0@:p@} [112]
@{char@:dynamic m@:109@:0@:7.79626@:0@:5.19751@:7.79626@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:3.89813@:0@:5.19751@:3.89813@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet18.tfm.
21 output files written: feta-alphabet18.33 .. feta-alphabet18.122
Transcript written on feta-alphabet18.log.

mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-alphabet18
    font_weight:               Medium
    font_identifier:           feta-alphabet17.82
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -56
    font_underline_thickness:  28
    font_name:                 feta-alphabet18
    font_unique_id:            4716388
    font_size:                 17.7534246575342 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=56.3271604938272; bpppix 0.02; nonstopmode; input feta-alphabet18.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet18.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-braces-g.pt1 feta-braces-g.pfb"...
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:17.82@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
@{char@:Plus@:43@:0@:4.455@:-2.22751@:6.68251@:4.455@:0@:plus@} [43]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:2.0307@:3.04605@:2.0307@:2.0307@:0@:comma@} [44]
@{char@:Numeral dash@:45@:0@:2.97@:0@:8.91@:2.97@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:2.0307@:0@:2.0307@:2.0307@:0@:period@} [46]
w:328.36359
h:443.73996
@{char@:Numeral 0@:48@:0@:6.59332@:0@:8.91@:6.59332@:0@:zero@} [48]
w:290.11429
h:443.73996
@{char@:Numeral 1@:49@:0@:5.8253@:0@:8.91@:5.8253@:0@:one@} [49]
w:328.36359
h:443.73996
@{char@:Numeral 2@:50@:0@:6.59332@:0@:8.91@:6.59332@:0@:two@} [50]
Invoking "fontforge -script feta-braces-g.pe feta-braces-g.pfb"...

w:298.51222
h:443.73996
@{char@:Numeral 3@:51@:0@:5.99393@:0@:8.91@:5.99393@:0@:three@} [51]
w:358.21497
h:443.73996
@{char@:Numeral 4@:52@:0@:7.19272@:0@:8.91@:7.19272@:0@:four@} [52]
w:302.24345
h:443.73996
@{char@:Numeral 5@:53@:0@:6.06885@:0@:8.91@:6.06885@:0@:five@} [53]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-alphabet14.pt1 feta-alphabet14.pfb"...

w:304.47914
h:443.73996
@{char@:Numeral 6@:54@:0@:6.11374@:0@:8.91@:6.11374@:0@:six@} [54]
w:301.05037
h:443.73996
@{char@:Numeral 7@:55@:0@:6.04489@:0@:8.91@:6.04489@:0@:seven@} [55]Failed to change locale.

w:328.36359
h:443.73996
@{char@:Numeral 8@:56@:0@:6.59332@:0@:8.91@:6.59332@:0@:eight@} [56]
w:304.47914
h:443.73996
@{char@:Numeral 9@:57@:0@:6.11374@:0@:8.91@:6.11374@:0@:nine@} [57])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:Space@:33@:0@:3.43037@:0@:5.19751@:3.43037@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:5.09354@:0@:4.67773@:5.09354@:0@:z@} [122]
@{char@:dynamic f@:102@:0@:5.71729@:2.59875@:8.93973@:5.71729@:0@:f@} [102]
@{char@:dynamic s@:115@:0@:3.68156@:0@:5.19751@:3.68156@:0@:s@} [115]
*** Successfully generated feta23.pfb! ***

@{char@:dynamic p@:112@:0@:6.49689@:2.59875@:5.19751@:6.49689@:0@:p@} [112]
@{char@:dynamic m@:109@:0@:7.79626@:0@:5.19751@:7.79626@:0@:m@} [109]
Invoking "fontforge -script feta-alphabet14.pe feta-alphabet14.pfb"...

@{char@:dynamic r@:114@:0@:3.89813@:0@:5.19751@:3.89813@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet18.tfm.
21 output files written: feta-alphabet18.33 .. feta-alphabet18.122
Transcript written on feta-alphabet18.log.
( echo ./out/feta-alphabet23.pfb:  > out/feta-alphabet23.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-alphabet23.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-alphabet23 --fullname=feta-alphabet23 --name=feta-alphabet23 feta-alphabet23.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-alphabet20.mf'"...
Failed to change locale.

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-alphabet16.pt1 feta-alphabet16.pfb"...

Invoking "fontforge -script feta-alphabet16.pe feta-alphabet16.pfb"...

*** Successfully generated feta26.pfb! ***
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp( echo ./out/feta-alphabet26.pfb:  > out/feta-alphabet26.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-alphabet26.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-alphabet26 --fullname=feta-alphabet26 --name=feta-alphabet26 feta-alphabet26.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet20.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:20@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
@{char@:Plus@:43@:0@:5@:-2.5@:7.5@:5@:0@:plus@} [43]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:2.29677@:3.44516@:2.29677@:2.29677@:0@:comma@}
[44]Failed to change locale.

@{char@:Numeral dash@:45@:0@:3.33333@:0@:10@:3.33333@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:2.29677@:0@:2.29677@:2.29677@:0@:period@} [46]
w:365.21767
h:498.02444
@{char@:Numeral 0@:48@:0@:7.33333@:0@:10@:7.33333@:0@:zero@} [48]Internal Error (overlap) in seven: monotonic is both needed and unneeded (254.845,443.319)->(336.66,492.836). x=336.66 (prev=159.61)
Internal Error (overlap) in seven: Winding number did not return to 0 when x=336.66
Internal Error (overlap) in seven: monotonic is both needed and unneeded (254.845,443.319)->(336.66,492.836). x=336.66 (prev=159.61)
Internal Error (overlap) in seven: Winding number did not return to 0 when x=336.66

w:316.64555
h:498.02444
@{char@:Numeral 1@:49@:0@:6.35803@:0@:10@:6.35803@:0@:one@} [49]
w:365.21767
h:498.02444
@{char@:Numeral 2@:50@:0@:7.33333@:0@:10@:7.33333@:0@:two@} [50]
w:332.01656
h:498.02444
@{char@:Numeral 3@:51@:0@:6.66667@:0@:10@:6.66667@:0@:three@} [51]
w:398.41956
h:498.02444
@{char@:Numeral 4@:52@:0@:8@:0@:10@:8@:0@:four@} [52]
w:336.1665
h:498.02444
@{char@:Numeral 5@:53@:0@:6.75@:0@:10@:6.75@:0@:five@} [53]
w:338.65297
h:498.02444
@{char@:Numeral 6@:54@:0@:6.79993@:0@:10@:6.79993@:0@:six@} [54]
w:336.16878
h:498.02444
@{char@:Numeral 7@:55@:0@:6.75005@:0@:10@:6.75005@:0@:seven@} [55]
w:365.21767
h:498.02444
@{char@:Numeral 8@:56@:0@:7.33333@:0@:10@:7.33333@:0@:eight@} [56]
w:338.65297
h:498.02444
@{char@:Numeral 9@:57@:0@:6.79993@:0@:10@:6.79993@:0@:nine@} [57])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:Space@:33@:0@:3.85002@:0@:5.83334@:3.85002@:0@:space@} [33]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:dynamic z@:122@:0@:5.71664@:0@:5.24997@:5.71664@:0@:z@} [122]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-alphabet23.mf'"...
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-alphabet26.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
Failed to change locale.

@{char@:dynamic f@:102@:0@:6.41672@:2.91667@:10.03336@:6.41672@:0@:f@} [102]Failed to change locale.
(./mf2pt1.mp(./mf2pt1.mpFailed to change locale.

@{char@:dynamic s@:115@:0@:4.13196@:0@:5.83334@:4.13196@:0@:s@} [115] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet26.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet23.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
*** Successfully generated feta-alphabet14.pfb! ***

******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-alphabet18.pt1 feta-alphabet18.pfb"...

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:dynamic p@:112@:0@:7.29169@:2.91667@:5.83334@:7.29169@:0@:p@} [112])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:25.2@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf)
@{font@:GNU@:LilyPond@:feta-alphabet@:22.45@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
Invoking "fontforge -script feta-alphabet18.pe feta-alphabet18.pfb"...
Internal Error (overlap) in two: monotonic is both needed and unneeded (0.0478516,14.0244)->(234.153,354.999). x=25.7548 (prev=25.7548)
Internal Error (overlap) in two: monotonic is both needed and unneeded (80.2393,301.85)->(12.9004,369.188). x=25.7548 (prev=25.7548)
Internal Error (overlap) in two: monotonic is both needed and unneeded (12.9004,369.188)->(167.835,499.994). x=25.7548 (prev=25.7548)
Internal Error (overlap) in two: Winding number did not return to 0 when x=25.7548
Internal Error (overlap) in two: monotonic is both needed and unneeded (0.0478516,14.0244)->(234.153,354.999). x=25.7548 (prev=25.7548)
Internal Error (overlap) in two: monotonic is both needed and unneeded (80.2393,301.85)->(12.9004,369.188). x=25.7548 (prev=25.7548)
Internal Error (overlap) in two: monotonic is both needed and unneeded (12.9004,369.188)->(167.835,499.994). x=25.7548 (prev=25.7548)
Internal Error (overlap) in two: Winding number did not return to 0 when x=25.7548

@{char@:Plus@:43@:0@:6.3@:-3.15001@:9.45001@:6.3@:0@:plus@} [43]
@{char@:dynamic m@:109@:0@:8.75002@:0@:5.83334@:8.75002@:0@:m@} [109]( echo ./out/feta-noteheads13.pfb:  > out/feta-noteheads13.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-noteheads13.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-noteheads13 --fullname=feta-noteheads13 --name=feta-noteheads13 feta-noteheads13.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Plus@:43@:0@:5.6125@:-2.80626@:8.41876@:5.6125@:0@:plus@} [43]
@{char@:dynamic r@:114@:0@:4.37502@:0@:5.83334@:4.37502@:0@:r@} [114])
@{tnof@}) )
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:2.87639@:4.31459@:2.87639@:2.87639@:0@:comma@}
[44]
*** Successfully generated feta-braces-g.pfb! ***

! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:2.57953@:3.8693@:2.57953@:2.57953@:0@:comma@}
[44]
@{char@:Numeral dash@:45@:0@:4.2@:0@:12.6@:4.2@:0@:hyphen@} [45]
Font metrics written on feta-alphabet20.tfm.
21 output files written: feta-alphabet20.33 .. feta-alphabet20.122
Transcript written on feta-alphabet20.log.

@{char@:Numeral dash@:45@:0@:3.74167@:0@:11.225@:3.74167@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:2.87639@:0@:2.87639@:2.87639@:0@:period@} [46]
w:450.20389
h:627.51111
@{char@:Numeral 0@:48@:0@:9.0398@:0@:12.6@:9.0398@:0@:zero@} [48]
@{char@:Numeral dot@:46@:0@:2.57953@:0@:2.57953@:2.57953@:0@:period@} [46]
w:372.66113
h:627.51111
@{char@:Numeral 1@:49@:0@:7.48279@:0@:12.6@:7.48279@:0@:one@} [49]
w:405.77258
h:559.03275
@{char@:Numeral 0@:48@:0@:8.14764@:0@:11.225@:8.14764@:0@:zero@} [48]
w:450.20389
h:627.51111
@{char@:Numeral 2@:50@:0@:9.0398@:0@:12.6@:9.0398@:0@:two@} [50]
w:344.40257
h:559.03275
@{char@:Numeral 1@:49@:0@:6.91537@:0@:11.225@:6.91537@:0@:one@} [49]
w:409.27661
h:627.51111
@{char@:Numeral 3@:51@:0@:8.218@:0@:12.6@:8.218@:0@:three@} [51]
w:405.77258
h:559.03275
@{char@:Numeral 2@:50@:0@:8.14764@:0@:11.225@:8.14764@:0@:two@} [50]
w:491.13116
h:627.51111
@{char@:Numeral 4@:52@:0@:9.86159@:0@:12.6@:9.86159@:0@:four@} [52]
w:368.88431
h:559.03275
@{char@:Numeral 3@:51@:0@:7.40695@:0@:11.225@:7.40695@:0@:three@} [51]( echo ./out/feta-noteheads14.pfb:  > out/feta-noteheads14.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-noteheads14.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-noteheads14 --fullname=feta-noteheads14 --name=feta-noteheads14 feta-noteheads14.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

w:414.39243
h:627.51111
@{char@:Numeral 5@:53@:0@:8.32072@:0@:12.6@:8.32072@:0@:five@} [53]
w:442.66087
h:559.03275
@{char@:Numeral 4@:52@:0@:8.88834@:0@:11.225@:8.88834@:0@:four@} [52]
w:417.45796
h:627.51111
@{char@:Numeral 6@:54@:0@:8.38228@:0@:12.6@:8.38228@:0@:six@} [54]
w:373.49478
h:559.03275
@{char@:Numeral 5@:53@:0@:7.49953@:0@:11.225@:7.49953@:0@:five@} [53]
w:416.91232
h:627.51111
@{char@:Numeral 7@:55@:0@:8.37132@:0@:12.6@:8.37132@:0@:seven@} [55]
w:376.25786
h:559.03275
@{char@:Numeral 6@:54@:0@:7.55501@:0@:11.225@:7.55501@:0@:six@} [54]
w:450.20389
h:627.51111
@{char@:Numeral 8@:56@:0@:9.0398@:0@:12.6@:9.0398@:0@:eight@} [56]
w:417.45796
h:627.51111
@{char@:Numeral 9@:57@:0@:8.38228@:0@:12.6@:8.38228@:0@:nine@} [57])
w:374.5222
h:559.03275
@{char@:Numeral 7@:55@:0@:7.52016@:0@:11.225@:7.52016@:0@:seven@} [55]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:Space@:33@:0@:4.85104@:0@:7.35002@:4.85104@:0@:space@} [33]
w:405.77258
h:559.03275
@{char@:Numeral 8@:56@:0@:8.14764@:0@:11.225@:8.14764@:0@:eight@} [56]
w:376.25786
h:559.03275
@{char@:Numeral 9@:57@:0@:7.55501@:0@:11.225@:7.55501@:0@:nine@} [57])
@{char@:dynamic z@:122@:0@:7.20299@:0@:6.61497@:7.20299@:0@:z@} [122]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-alphabet20
    font_weight:               Medium
    font_identifier:           feta-alphabet20
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -50
    font_underline_thickness:  25
    font_name:                 feta-alphabet20
    font_unique_id:            4193321
    font_size:                 19.9252801992528 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=50.1875; bpppix 0.02; nonstopmode; input feta-alphabet20.mf'"...

@{char@:Space@:33@:0@:4.32166@:0@:6.54793@:4.32166@:0@:space@} [33]
@{char@:dynamic f@:102@:0@:8.08507@:3.67502@:12.64204@:8.08507@:0@:f@} [102]
@{char@:dynamic z@:122@:0@:6.41695@:0@:5.8931@:6.41695@:0@:z@} [122]
@{char@:dynamic s@:115@:0@:5.20627@:0@:7.35002@:5.20627@:0@:s@} [115]
@{char@:dynamic f@:102@:0@:7.20276@:3.27397@:11.26245@:7.20276@:0@:f@} [102]
@{char@:dynamic p@:112@:0@:9.18753@:3.67502@:7.35002@:9.18753@:0@:p@} [112]
@{char@:dynamic s@:115@:0@:4.63812@:0@:6.54793@:4.63812@:0@:s@} [115]
@{char@:dynamic m@:109@:0@:11.02504@:0@:7.35002@:11.02504@:0@:m@} [109]
@{char@:dynamic p@:112@:0@:8.1849@:3.27397@:6.54793@:8.1849@:0@:p@} [112]
@{char@:dynamic r@:114@:0@:5.51251@:0@:7.35002@:5.51251@:0@:r@} [114])
@{tnof@}) )Failed to change locale.

Font metrics written on feta-alphabet26.tfm.
21 output files written: feta-alphabet26.33 .. feta-alphabet26.122
Transcript written on feta-alphabet26.log.

@{char@:dynamic m@:109@:0@:9.8219@:0@:6.54793@:9.8219@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:4.91095@:0@:6.54793@:4.91095@:0@:r@} [114])
@{tnof@}) )
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-alphabet26
    font_weight:               Medium
    font_identifier:           feta-alphabet25.2
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -40
    font_underline_thickness:  20
    font_name:                 feta-alphabet26
    font_unique_id:            4907528
    font_size:                 25.1058530510585 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=39.8313492063492; bpppix 0.02; nonstopmode; input feta-alphabet26.mf'"...

Font metrics written on feta-alphabet23.tfm.
21 output files written: feta-alphabet23.33 .. feta-alphabet23.122
Transcript written on feta-alphabet23.log.

*** Successfully generated feta-alphabet16.pfb! ***
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-alphabet23
    font_weight:               Medium
    font_identifier:           feta-alphabet22.45
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -45
    font_underline_thickness:  22
    font_name:                 feta-alphabet23
    font_unique_id:            4104708
    font_size:                 22.3661270236613 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=44.7104677060134; bpppix 0.02; nonstopmode; input feta-alphabet23.mf'"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp) (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet20.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf( echo ./out/feta-noteheads16.pfb:  > out/feta-noteheads16.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-noteheads16.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-noteheads16 --fullname=feta-noteheads16 --name=feta-noteheads16 feta-noteheads16.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)Failed to change locale.
)
@{font@:GNU@:LilyPond@:feta-alphabet@:20@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf)
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet26.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf)
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-braces-h.pt1 feta-braces-h.pfb"...

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet23.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-alphabet.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
@{char@:Plus@:43@:0@:5@:-2.5@:7.5@:5@:0@:plus@} [43]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:2.29677@:3.44516@:2.29677@:2.29677@:0@:comma@}
[44]))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{font@:GNU@:LilyPond@:feta-alphabet@:25.2@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
@{char@:Numeral dash@:45@:0@:3.33333@:0@:10@:3.33333@:0@:hyphen@} [45]
@{char@:Numeral dot@:46@:0@:2.29677@:0@:2.29677@:2.29677@:0@:period@} [46])
@{char@:Plus@:43@:0@:6.3@:-3.15001@:9.45001@:6.3@:0@:plus@} [43]
@{font@:GNU@:LilyPond@:feta-alphabet@:22.45@:fetaNumber@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-numbers.mf
w:365.21767
h:498.02444
@{char@:Numeral 0@:48@:0@:7.33333@:0@:10@:7.33333@:0@:zero@} [48]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:2.87639@:4.31459@:2.87639@:2.87639@:0@:comma@}
[44]
@{char@:Plus@:43@:0@:5.6125@:-2.80626@:8.41876@:5.6125@:0@:plus@} [43]
@{char@:Numeral dash@:45@:0@:4.2@:0@:12.6@:4.2@:0@:hyphen@} [45]
w:316.64555
h:498.02444
@{char@:Numeral 1@:49@:0@:6.35803@:0@:10@:6.35803@:0@:one@} [49]
@{char@:Numeral dot@:46@:0@:2.87639@:0@:2.87639@:2.87639@:0@:period@} [46]
! Warning: Replacing filldraw with fill.
@{char@:Numeral comma@:44@:0@:2.57953@:3.8693@:2.57953@:2.57953@:0@:comma@}
[44]
w:365.21767
h:498.02444
@{char@:Numeral 2@:50@:0@:7.33333@:0@:10@:7.33333@:0@:two@} [50]
w:450.20389
h:627.51111
@{char@:Numeral 0@:48@:0@:9.0398@:0@:12.6@:9.0398@:0@:zero@} [48]
@{char@:Numeral dash@:45@:0@:3.74167@:0@:11.225@:3.74167@:0@:hyphen@} [45]
w:332.01656
h:498.02444
@{char@:Numeral 3@:51@:0@:6.66667@:0@:10@:6.66667@:0@:three@} [51]
@{char@:Numeral dot@:46@:0@:2.57953@:0@:2.57953@:2.57953@:0@:period@} [46]
w:372.66113
h:627.51111
@{char@:Numeral 1@:49@:0@:7.48279@:0@:12.6@:7.48279@:0@:one@} [49]
w:405.77258
h:559.03275
@{char@:Numeral 0@:48@:0@:8.14764@:0@:11.225@:8.14764@:0@:zero@} [48]
w:450.20389
h:627.51111
@{char@:Numeral 2@:50@:0@:9.0398@:0@:12.6@:9.0398@:0@:two@} [50]
w:398.41956
h:498.02444
@{char@:Numeral 4@:52@:0@:8@:0@:10@:8@:0@:four@} [52]
w:344.40257
h:559.03275
@{char@:Numeral 1@:49@:0@:6.91537@:0@:11.225@:6.91537@:0@:one@} [49]
w:409.27661
h:627.51111
@{char@:Numeral 3@:51@:0@:8.218@:0@:12.6@:8.218@:0@:three@} [51]
w:336.1665
h:498.02444
@{char@:Numeral 5@:53@:0@:6.75@:0@:10@:6.75@:0@:five@} [53]
w:405.77258
h:559.03275
@{char@:Numeral 2@:50@:0@:8.14764@:0@:11.225@:8.14764@:0@:two@} [50]
w:491.13116
h:627.51111
@{char@:Numeral 4@:52@:0@:9.86159@:0@:12.6@:9.86159@:0@:four@} [52]
w:338.65297
h:498.02444
@{char@:Numeral 6@:54@:0@:6.79993@:0@:10@:6.79993@:0@:six@} [54]
w:368.88431
h:559.03275
@{char@:Numeral 3@:51@:0@:7.40695@:0@:11.225@:7.40695@:0@:three@} [51]
Invoking "fontforge -script feta-braces-h.pe feta-braces-h.pfb"...

w:414.39243
h:627.51111
@{char@:Numeral 5@:53@:0@:8.32072@:0@:12.6@:8.32072@:0@:five@} [53]
w:336.16878
h:498.02444
@{char@:Numeral 7@:55@:0@:6.75005@:0@:10@:6.75005@:0@:seven@} [55]
w:442.66087
h:559.03275
@{char@:Numeral 4@:52@:0@:8.88834@:0@:11.225@:8.88834@:0@:four@} [52]
w:417.45796
h:627.51111
@{char@:Numeral 6@:54@:0@:8.38228@:0@:12.6@:8.38228@:0@:six@} [54]
w:365.21767
h:498.02444
@{char@:Numeral 8@:56@:0@:7.33333@:0@:10@:7.33333@:0@:eight@} [56]
w:416.91232
h:627.51111
@{char@:Numeral 7@:55@:0@:8.37132@:0@:12.6@:8.37132@:0@:seven@} [55]
w:373.49478
h:559.03275
@{char@:Numeral 5@:53@:0@:7.49953@:0@:11.225@:7.49953@:0@:five@} [53]
w:338.65297
h:498.02444
@{char@:Numeral 9@:57@:0@:6.79993@:0@:10@:6.79993@:0@:nine@} [57]
w:450.20389
h:627.51111
@{char@:Numeral 8@:56@:0@:9.0398@:0@:12.6@:9.0398@:0@:eight@} [56])
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-braces-i.pt1 feta-braces-i.pfb"...

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
w:376.25786
h:559.03275
@{char@:Numeral 6@:54@:0@:7.55501@:0@:11.225@:7.55501@:0@:six@} [54]
w:417.45796
h:627.51111
@{char@:Numeral 9@:57@:0@:8.38228@:0@:12.6@:8.38228@:0@:nine@} [57]
@{char@:Space@:33@:0@:3.85002@:0@:5.83334@:3.85002@:0@:space@} [33])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
w:374.5222
h:559.03275
@{char@:Numeral 7@:55@:0@:7.52016@:0@:11.225@:7.52016@:0@:seven@} [55]
@{char@:Space@:33@:0@:4.85104@:0@:7.35002@:4.85104@:0@:space@} [33]
@{char@:dynamic z@:122@:0@:5.71664@:0@:5.24997@:5.71664@:0@:z@} [122]
w:405.77258
h:559.03275
@{char@:Numeral 8@:56@:0@:8.14764@:0@:11.225@:8.14764@:0@:eight@} [56]
@{char@:dynamic z@:122@:0@:7.20299@:0@:6.61497@:7.20299@:0@:z@} [122]
w:376.25786
h:559.03275
@{char@:Numeral 9@:57@:0@:7.55501@:0@:11.225@:7.55501@:0@:nine@} [57])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-dynamics.mf
@{char@:dynamic f@:102@:0@:6.41672@:2.91667@:10.03336@:6.41672@:0@:f@} [102]
Invoking "fontforge -script feta-braces-i.pe feta-braces-i.pfb"...

@{char@:Space@:33@:0@:4.32166@:0@:6.54793@:4.32166@:0@:space@} [33]
@{char@:dynamic f@:102@:0@:8.08507@:3.67502@:12.64204@:8.08507@:0@:f@} [102]
@{char@:dynamic s@:115@:0@:4.13196@:0@:5.83334@:4.13196@:0@:s@} [115]
@{char@:dynamic s@:115@:0@:5.20627@:0@:7.35002@:5.20627@:0@:s@} [115]
@{char@:dynamic z@:122@:0@:6.41695@:0@:5.8931@:6.41695@:0@:z@} [122]
@{char@:dynamic p@:112@:0@:9.18753@:3.67502@:7.35002@:9.18753@:0@:p@} [112]
@{char@:dynamic f@:102@:0@:7.20276@:3.27397@:11.26245@:7.20276@:0@:f@} [102]
@{char@:dynamic p@:112@:0@:7.29169@:2.91667@:5.83334@:7.29169@:0@:p@} [112]
@{char@:dynamic s@:115@:0@:4.63812@:0@:6.54793@:4.63812@:0@:s@} [115]
@{char@:dynamic m@:109@:0@:11.02504@:0@:7.35002@:11.02504@:0@:m@} [109]
@{char@:dynamic m@:109@:0@:8.75002@:0@:5.83334@:8.75002@:0@:m@} [109]
@{char@:dynamic r@:114@:0@:5.51251@:0@:7.35002@:5.51251@:0@:r@} [114]Failed to change locale.
)
@{tnof@}) )
@{char@:dynamic p@:112@:0@:8.1849@:3.27397@:6.54793@:8.1849@:0@:p@} [112]
@{char@:dynamic r@:114@:0@:4.37502@:0@:5.83334@:4.37502@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet26.tfm.
21 output files written: feta-alphabet26.33 .. feta-alphabet26.122
Transcript written on feta-alphabet26.log.

Font metrics written on feta-alphabet20.tfm.
21 output files written: feta-alphabet20.33 .. feta-alphabet20.122
Transcript written on feta-alphabet20.log.

@{char@:dynamic m@:109@:0@:9.8219@:0@:6.54793@:9.8219@:0@:m@} [109]
*** Successfully generated feta-alphabet18.pfb! ***

@{char@:dynamic r@:114@:0@:4.91095@:0@:6.54793@:4.91095@:0@:r@} [114])
@{tnof@}) )
Font metrics written on feta-alphabet23.tfm.
21 output files written: feta-alphabet23.33 .. feta-alphabet23.122
Transcript written on feta-alphabet23.log.
( echo ./out/feta-noteheads18.pfb:  > out/feta-noteheads18.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-noteheads18.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-noteheads18 --fullname=feta-noteheads18 --name=feta-noteheads18 feta-noteheads18.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-noteheads13.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads13.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mfCopyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:12.6@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mfFailed to change locale.

@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.87311@:7.32896@:2.67752@:11.25444@:7.32896@:0@:uM
2@} [33]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-noteheads14.mf'"...

@{char@:Longa notehead@:34@:0.87311@:7.32896@:11.25444@:2.67752@:7.32896@:0@:dM
2@} [34]
@{char@:Brevis notehead@:35@:0.87311@:7.32896@:2.67752@:2.67752@:7.32896@:0@:sM
1@} [35]Failed to change locale.

@{char@:Double-lined brevis notehead@:36@:1.99017@:8.44603@:2.67752@:2.67752@:8
.44603@:0@:sM1double@} [36]
@{char@:Whole notehead@:37@:0@:5.99461@:1.79329@:1.79329@:5.99461@:0@:s0@}
[37]
@{char@:Half notehead@:38@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s1@}
[38]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Quarter notehead@:39@:0@:4.12764@:1.79329@:1.79329@:4.12764@:0.47975@:s
2@} [39](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Whole diamondhead@:40@:0@:6.45586@:1.79329@:1.79329@:6.45586@:0@:s0diam
ond@} [40]
@{char@:Half diamondhead@:41@:0@:4.7496@:1.79329@:1.79329@:4.7496@:1.26779@:s1d
iamond@} [41]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads14.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-noteheads16.mf'"...

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:14.14@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.89954@:8.07214@:2.93756@:12.64304@:8.07214@:0@:uM
2@} [33]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Quarter diamondhead@:42@:0@:4.80923@:1.79329@:1.79329@:4.80923@:1.29196
@:s2diamond@} [42]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads16.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Longa notehead@:34@:0.89954@:8.07214@:12.64304@:2.93756@:8.07214@:0@:dM
2@} [34]
@{char@:Whole trianglehead@:43@:0@:7.69453@:2.9035@:2.43637@:7.69455@:0.46713@:
s0triangle@} [43]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:15.87@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:5.57185@:2.62265@:2.20741@:4.70883
@:2.24686@:d1triangle@} [44]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.92923@:8.90707@:3.1826@:14.15587@:8.90707@:0@:uM2
@} [33]
@{char@:Longa notehead@:34@:0.92923@:8.90707@:14.15587@:3.1826@:8.90707@:0@:dM2
@} [34]
@{char@:Brevis notehead@:35@:0.92923@:8.90707@:3.1826@:3.1826@:8.90707@:0@:sM1@
} [35]Internal Error (overlap) in brace491: Winding number did not return to 0 when y=-0.000900241
Internal Error (overlap) in brace491: Winding number did not return to 0 when y=-0.000900241

! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:5.57185@:2.62265@:2.20741@:5.57187@:
0.41522@:u1triangle@} [45]
@{char@:Double-lined brevis notehead@:36@:2.09868@:10.07652@:3.1826@:3.1826@:10
.07652@:0@:sM1double@} [36]
@{char@:Whole notehead@:37@:0@:7.72525@:2.21606@:2.21606@:7.72525@:0@:s0@}
[37]
@{char@:Half notehead@:38@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s1@}
[38]
@{char@:Quarter notehead@:39@:0@:5.21574@:2.21606@:2.21606@:5.21574@:0.68697@:s
2@} [39]
@{char@:Whole diamondhead@:40@:0@:7.97784@:2.21606@:2.21606@:7.97784@:0@:s0diam
ond@} [40]
@{char@:Quarter trianglehead (upstem)@:46@:0@:4.64322@:2.62265@:2.20741@:4.6432
3@:0.41522@:u2triangle@} [46]
@{char@:Half diamondhead@:41@:0@:5.86934@:2.21606@:2.21606@:5.86934@:1.56668@:s
1diamond@} [41]
@{char@:Quarter diamondhead@:42@:0@:5.94305@:2.21606@:2.21606@:5.94305@:1.59656
@:s2diamond@} [42]
@{char@:Whole trianglehead@:43@:0@:9.40749@:3.55432@:2.97707@:9.40749@:0.57724@
:s0triangle@} [43]
@{char@:Brevis notehead@:35@:0.89954@:8.07214@:2.93756@:2.93756@:8.07214@:0@:sM
1@} [35]Internal Error (overlap) in brace507: Winding number did not return to 0 when y=7.58084e-05
Internal Error (overlap) in brace507: Winding number did not return to 0 when y=7.58084e-05

@{char@:Quarter trianglehead (downstem)@:47@:0@:4.64322@:2.62265@:2.20741@:3.92
403@:2.24686@:d2triangle@} [47]
@{char@:Double-lined brevis notehead@:36@:2.04156@:9.21417@:2.93756@:2.93756@:9
.21417@:0@:sM1double@} [36]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:6.8046@:3.20724@:2.69414@:5.73813@
:2.77655@:d1triangle@} [44]
@{char@:Whole slashhead@:48@:0@:9.56975@:3.36829@:3.36829@:9.56975@:3.36829@:s0
slash@} [48]
@{char@:Whole notehead@:37@:0@:6.81094@:1.99239@:1.99239@:6.81094@:0@:s0@}
[37]
@{char@:Half slashhead@:49@:0@:7.45921@:3.36829@:3.36829@:7.45921@:3.36829@:s1s
lash@} [49]
@{char@:Quarter slashhead@:50@:0@:5.47472@:3.36829@:3.36829@:5.47472@:3.36829@:
s2slash@} [50]Internal Error (overlap) in brace571: Winding number did not return to 0 when y=0.00104998
Internal Error (overlap) in brace571: Winding number did not return to 0 when y=0.00104998

@{char@:Whole Crossed notehead@:51@:0@:5.87386@:2.01157@:2.01157@:5.87386@:0.77
155@:s0cross@} [51]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:6.8046@:3.20724@:2.69414@:6.8046@:0.
51309@:u1triangle@} [45]
@{char@:Half Crossed notehead@:52@:0@:5.00075@:1.90242@:1.90242@:5.00075@:0.828
66@:s1cross@} [52]
@{char@:Crossed notehead@:53@:0@:4.12764@:1.79329@:1.79329@:4.12764@:1.24492@:s
2cross@} [53]
@{char@:X-Circled notehead@:54@:0@:4.90863@:2.13258@:2.13258@:4.90863@:0@:s2xci
rcle@} [54]
@{char@:Half notehead@:38@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s1@}
[38]
@{char@:Quarter notehead@:39@:0@:4.64114@:1.99239@:1.99239@:4.64114@:0.57854@:s
2@} [39]
@{char@:Quarter trianglehead (upstem)@:46@:0@:5.67052@:3.20724@:2.69414@:5.6705
2@:0.51309@:u2triangle@} [46]
@{char@:Whole diamondhead@:40@:0@:7.1726@:1.99239@:1.99239@:7.1726@:0@:s0diamon
d@} [40]
@{char@:Half diamondhead@:41@:0@:5.27693@:1.99239@:1.99239@:5.27693@:1.40855@:s
1diamond@} [41]
@{char@:Quarter diamondhead@:42@:0@:5.34319@:1.99239@:1.99239@:5.34319@:1.4354@
:s2diamond@} [42]
@{char@:Quarter trianglehead (downstem)@:47@:0@:5.67052@:3.20724@:2.69414@:4.78
18@:2.77655@:d2triangle@} [47]
@{char@:Whole slashhead@:48@:0@:12.00314@:4.19981@:4.19981@:12.00314@:4.19981@:
s0slash@} [48]
@{char@:Half slashhead@:49@:0@:9.3449@:4.19981@:4.19981@:9.3449@:4.19981@:s1sla
sh@} [49]
@{char@:Quarter slashhead@:50@:0@:6.84538@:4.19981@:4.19981@:6.84538@:4.19981@:
s2slash@} [50]
@{char@:Whole trianglehead@:43@:0@:8.50125@:3.20999@:2.69101@:8.50125@:0.51898@
:s0triangle@} [43]
@{char@:Whole Crossed notehead@:51@:0@:7.0742@:2.44836@:2.44836@:7.0742@:1.1229
9@:s0cross@} [51]
@{char@:Half Crossed notehead@:52@:0@:6.14497@:2.33221@:2.33221@:6.14497@:1.188
48@:s1cross@} [52]
@{char@:Whole dohead@:55@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:s0do
@} [55]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:6.1524@:2.89795@:2.43663@:5.19359@
:2.4963@:d1triangle@} [44]
@{char@:Half dohead@:56@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846@:d1do@}
[56]
@{char@:Crossed notehead@:53@:0@:5.21574@:2.21606@:2.21606@:5.21574@:1.63512@:s
2cross@} [53]
@{char@:X-Circled notehead@:54@:0@:6.2026@:2.63536@:2.63536@:6.2026@:0@:s2xcirc
le@} [54]
@{char@:Half dohead@:57@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:u1do@
} [57]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:6.1524@:2.89795@:2.43663@:6.1524@:0.
4613@:u1triangle@} [45]
@{char@:Quarter dohead@:58@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846@:d2d
o@} [58]
@{char@:Whole dohead@:55@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:s0do
@} [55]
@{char@:Quarter dohead@:59@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:u2
do@} [59]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-noteheads18.mf'"...

@{char@:Whole thin dohead@:60@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@
:s0doThin@} [60]
@{char@:Half dohead@:56@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913@:d1do@}
[56]
@{char@:Quarter trianglehead (upstem)@:46@:0@:5.12701@:2.89795@:2.43663@:5.1270
1@:0.4613@:u2triangle@} [46]
@{char@:Half thin dohead@:61@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846@:d
1doThin@} [61]
@{char@:Half dohead@:57@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:u1do@
} [57]Failed to change locale.
Failed to change locale.

@{char@:Quarter dohead@:58@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913@:d2d
o@} [58]
@{char@:Half thin dohead@:62@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:
u1doThin@} [62]
@{char@:Quarter trianglehead (downstem)@:47@:0@:5.12701@:2.89795@:2.43663@:4.32
8@:2.4963@:d2triangle@} [47]
@{char@:Quarter dohead@:59@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:u2
do@} [59]
@{char@:Quarter thin dohead@:63@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846
@:d2doThin@} [63]
@{char@:Whole slashhead@:48@:0@:10.71574@:3.75989@:3.75989@:10.71574@:3.75989@:
s0slash@} [48]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Whole thin dohead@:60@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@
:s0doThin@} [60](./mf2pt1.mp
@{char@:Quarter thin dohead@:64@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.1384
6@:u2doThin@} [64] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Half slashhead@:49@:0@:8.34726@:3.75989@:3.75989@:8.34726@:3.75989@:s1s
lash@} [49]
@{char@:Half thin dohead@:61@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913@:d
1doThin@} [61]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-alphabet26.pt1 feta-alphabet26.pfb"...

@{char@:Quarter slashhead@:50@:0@:6.12022@:3.75989@:3.75989@:6.12022@:3.75989@:
s2slash@} [50]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-alphabet23.pt1 feta-alphabet23.pfb"...

@{char@:Half thin dohead@:62@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:
u1doThin@} [62]
@{char@:Whole rehead@:65@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:s0re@
} [65]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Whole Crossed notehead@:51@:0@:6.44022@:2.21727@:2.21727@:6.44022@:0.93
69@:s0cross@} [51])
@{char@:Quarter thin dohead@:63@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913
@:d2doThin@} [63]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads18.mf
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-alphabet20.pt1 feta-alphabet20.pfb"...

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Half up rehead@:66@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:u1r
e@} [66]
*** Successfully generated feta-braces-i.pfb! ***

@{char@:Quarter thin dohead@:64@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.5191
3@:u2doThin@} [64]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf
@{char@:Half Crossed notehead@:52@:0@:5.54068@:2.10483@:2.10483@:5.54068@:0.998
12@:s1cross@} [52]
Invoking "fontforge -script feta-alphabet26.pe feta-alphabet26.pfb"...
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Half down rehead@:67@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.54268@:
d1re@} [67]
@{char@:Crossed notehead@:53@:0@:4.64114@:1.99239@:1.99239@:4.64114@:1.42883@:s
2cross@} [53]
@{char@:Quarter up rehead@:68@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:
u2re@} [68])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Quarter down rehead@:69@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.5426
8@:d2re@} [69]
@{char@:Whole rehead@:65@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:s0re@
} [65]
*** Successfully generated feta-braces-h.pfb! ***

@{char@:X-Circled notehead@:54@:0@:5.51929@:2.36937@:2.36937@:5.51929@:0@:s2xci
rcle@} [54])
Invoking "fontforge -script feta-alphabet23.pe feta-alphabet23.pfb"...

@{font@:GNU@:LilyPond@:feta@:17.82@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:Whole thin rehead@:70@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:
s0reThin@} [70]
@{char@:Whole dohead@:55@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:s0do
@} [55]
@{char@:Half up rehead@:66@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:u1r
e@} [66]( echo ./out/feta-noteheads20.pfb:  > out/feta-noteheads20.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-noteheads20.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-noteheads20 --fullname=feta-noteheads20 --name=feta-noteheads20 feta-noteheads20.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.96268@:9.8481@:3.43037@:15.8327@:9.8481@:0@:uM2@}
[33]
@{char@:Half dohead@:56@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773@:d1do@}
[56]
@{char@:Half up thin rehead@:71@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268
@:u1reThin@} [71]
@{char@:Half down rehead@:67@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.70056@:
d1re@} [67]
Invoking "fontforge -script feta-alphabet20.pe feta-alphabet20.pfb"...

@{char@:Quarter up rehead@:68@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:
u2re@} [68]
@{char@:Half dohead@:57@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:u1do@
} [57]
@{char@:Longa notehead@:34@:0.96268@:9.8481@:15.8327@:3.43037@:9.8481@:0@:dM2@}
[34]
@{char@:Quarter down rehead@:69@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.7005
6@:d2re@} [69]
@{char@:Quarter dohead@:58@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773@:d2d
o@} [58]
@{char@:Half down thin rehead@:72@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.54
268@:d1reThin@} [72]
@{char@:Quarter dohead@:59@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:u2
do@} [59]
@{char@:Brevis notehead@:35@:0.96268@:9.8481@:3.43037@:3.43037@:9.8481@:0@:sM1@
} [35]
@{char@:Whole thin rehead@:70@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:
s0reThin@} [70]
@{char@:Quarter thin rehead@:73@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268
@:u2reThin@} [73]
@{char@:Whole thin dohead@:60@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@
:s0doThin@} [60]
@{char@:Quarter thin rehead@:74@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.5426
8@:d2reThin@} [74]
@{char@:Half up thin rehead@:71@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056
@:u1reThin@} [71]
@{char@:Half thin dohead@:61@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773@:d
1doThin@} [61]
@{char@:Double-lined brevis notehead@:36@:2.16219@:11.0476@:3.43037@:3.43037@:1
1.0476@:0@:sM1double@} [36]
@{char@:Half down thin rehead@:72@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.70
056@:d1reThin@} [72]
@{char@:Whole mihead@:75@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s0mi@}
[75]
@{char@:Half thin dohead@:62@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:
u1doThin@} [62]
@{char@:Whole notehead@:37@:0@:8.75316@:2.46817@:2.46817@:8.75316@:0@:s0@}
[37]
@{char@:Quarter thin rehead@:73@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056
@:u2reThin@} [73]
@{char@:Half mihead@:76@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s1mi@} [76]
@{char@:Quarter thin dohead@:63@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773
@:d2doThin@} [63]
@{char@:Half notehead@:38@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s1@}
[38]
@{char@:Quarter notehead@:39@:0@:5.86116@:2.46817@:2.46817@:5.86116@:0.80692@:s
2@} [39]
@{char@:Quarter thin dohead@:64@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.3177
3@:u2doThin@} [64]
@{char@:Quarter mihead@:77@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s2mi@}
[77]
@{char@:Whole diamondhead@:40@:0@:8.88542@:2.46817@:2.46817@:8.88542@:0@:s0diam
ond@} [40]
@{char@:Whole rehead@:65@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:s0re@
} [65]
@{char@:Half diamondhead@:41@:0@:6.53708@:2.46817@:2.46817@:6.53708@:1.74492@:s
1diamond@} [41]
@{char@:Whole mirror mihead@:78@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s0mi
Mirror@} [78]( echo ./out/feta-noteheads23.pfb:  > out/feta-noteheads23.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-noteheads23.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-noteheads23 --fullname=feta-noteheads23 --name=feta-noteheads23 feta-noteheads23.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Quarter diamondhead@:42@:0@:6.61916@:2.46817@:2.46817@:6.61916@:1.77818
@:s2diamond@} [42]
@{char@:Quarter thin rehead@:74@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.7005
6@:d2reThin@} [74]
@{char@:Half up rehead@:66@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:u1r
e@} [66]
@{char@:Half  mirror mihead@:79@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s1mi
Mirror@} [79]
@{char@:Half down rehead@:67@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.61703@:
d1re@} [67]
@{char@:Whole mihead@:75@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s0mi@}
[75]
@{char@:Quarter up rehead@:68@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:
u2re@} [68]
@{char@:Quarter mirror mihead@:80@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s2
miMirror@} [80]
@{char@:Quarter down rehead@:69@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.6170
3@:d2re@} [69]
@{char@:Whole trianglehead@:43@:0@:10.42897@:3.94243@:3.2995@:10.42899@:0.64293
@:s0triangle@} [43]
@{char@:Half mihead@:76@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s1mi@} [76]
@{char@:Whole thin mihead@:81@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s0miTh
in@} [81]
@{char@:Whole thin rehead@:70@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:
s0reThin@} [70]
@{char@:Quarter mihead@:77@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s2mi@}
[77]
@{char@:Half thin mihead@:82@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s1miThi
n@} [82]
@{char@:Half up thin rehead@:71@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703
@:u1reThin@} [71]
@{char@:Quarter thin mihead@:83@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s2mi
Thin@} [83]
@{char@:Whole mirror mihead@:78@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s0mi
Mirror@} [78]
@{char@:Half down thin rehead@:72@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.61
703@:d1reThin@} [72]
@{char@:Half  mirror mihead@:79@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s1mi
Mirror@} [79]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:7.5397@:3.55588@:2.98439@:6.35191@
:3.09244@:d1triangle@} [44]
@{char@:Quarter thin rehead@:73@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703
@:u2reThin@} [73]
@{char@:Whole fa up head@:84@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u0fa@}
[84]
@{char@:Quarter mirror mihead@:80@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s2
miMirror@} [80]
@{char@:Quarter thin rehead@:74@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.6170
3@:d2reThin@} [74]
@{char@:Whole fa down head@:85@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d0fa@
} [85]
@{char@:Whole thin mihead@:81@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s0miTh
in@} [81]
@{char@:half fa up head@:86@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u1fa@}
[86]
@{char@:Half thin mihead@:82@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s1miThi
n@} [82]
@{char@:Half fa down head@:87@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d1fa@}
[87]
@{char@:Whole mihead@:75@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s0mi@}
[75]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:7.5397@:3.55588@:2.98439@:7.53972@:0
.57147@:u1triangle@} [45]
@{char@:Quarter fa up head@:88@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u2fa@
} [88]
@{char@:Quarter thin mihead@:83@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s2mi
Thin@} [83]
@{char@:Half mihead@:76@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s1mi@} [76]
@{char@:Quarter fa down head@:89@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d2f
a@} [89]
@{char@:Whole fa up head@:84@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u0fa@}
[84]
@{char@:Whole thin fa up head@:90@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u0
faThin@} [90]
@{char@:Quarter mihead@:77@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s2mi@}
[77]
@{char@:Quarter trianglehead (upstem)@:46@:0@:6.28311@:3.55588@:2.98439@:6.2831
3@:0.57147@:u2triangle@} [46]
@{char@:Whole thin fa down head@:91@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:
d0faThin@} [91]
@{char@:Whole mirror mihead@:78@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s0mi
Mirror@} [78]
@{char@:Whole fa down head@:85@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d0fa@
} [85]
@{char@:half thin fa up head@:92@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u1f
aThin@} [92]
@{char@:Half  mirror mihead@:79@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s1mi
Mirror@} [79]
@{char@:half fa up head@:86@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u1fa@}
[86]
@{char@:Half thin fa down head@:93@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d
1faThin@} [93]
@{char@:Quarter mirror mihead@:80@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s2
miMirror@} [80]
@{char@:Quarter trianglehead (downstem)@:47@:0@:6.28311@:3.55588@:2.98439@:5.29
329@:3.09244@:d2triangle@} [47]
@{char@:Half fa down head@:87@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d1fa@}
[87]
@{char@:Whole slashhead@:48@:0@:13.45424@:4.69568@:4.69568@:13.45424@:4.69568@:
s0slash@} [48]
@{char@:Quarter fa up head@:88@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u2fa@
} [88]
@{char@:Whole thin mihead@:81@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s0miTh
in@} [81]
@{char@:Quarter thin fa up head@:94@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:
u2faThin@} [94]
@{char@:Quarter fa down head@:89@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d2f
a@} [89]
@{char@:Half slashhead@:49@:0@:10.46936@:4.69568@:4.69568@:10.46936@:4.69568@:s
1slash@} [49]
@{char@:Half thin mihead@:82@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s1miThi
n@} [82]
@{char@:Quarter thin fa down head@:95@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0
@:d2faThin@} [95]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Quarter slashhead@:50@:0@:7.66273@:4.69568@:4.69568@:7.66273@:4.69568@:
s2slash@} [50]
@{char@:Whole thin fa up head@:90@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u0
faThin@} [90]
@{char@:Whole solhead@:96@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s0so
l@} [96]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Quarter thin mihead@:83@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s2mi
Thin@} [83]
@{char@:Whole Crossed notehead@:51@:0@:7.78651@:2.70885@:2.70885@:7.78651@:1.33
298@:s0cross@} [51]
@{char@:Whole thin fa down head@:91@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:
d0faThin@} [91]
@{char@:Half solhead@:97@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s1sol
@} [97]
@{char@:Whole fa up head@:84@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u0fa@}
[84]
@{char@:Quarter solhead@:98@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s2
sol@} [98]
@{char@:Half Crossed notehead@:52@:0@:6.82384@:2.58852@:2.58852@:6.82384@:1.403
09@:s1cross@} [52]
@{char@:half thin fa up head@:92@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u1f
aThin@} [92]
@{char@:Whole fa down head@:85@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d0fa@
} [85]
@{char@:Whole lahead@:99@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s0la@}
[99]
@{char@:Crossed notehead@:53@:0@:5.86116@:2.46817@:2.46817@:5.86116@:1.86737@:s
2cross@} [53]
@{char@:Half thin fa down head@:93@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d
1faThin@} [93]
@{char@:half fa up head@:86@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u1fa@}
[86]Failed to change locale.

@{char@:Half lahead@:100@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s1la@}
[100]
@{char@:Quarter thin fa up head@:94@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:
u2faThin@} [94]Failed to change locale.

@{char@:X-Circled notehead@:54@:0@:6.97014@:2.93518@:2.93518@:6.97014@:0@:s2xci
rcle@} [54]
@{char@:Quarter thin fa down head@:95@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0
@:d2faThin@} [95]
@{char@:Quarter lahead@:101@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s2la@}
[101]
@{char@:Half fa down head@:87@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d1fa@}
[87]
@{char@:Whole thin lahead@:102@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s0laT
hin@} [102]
@{char@:Whole dohead@:55@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:s0do
@} [55]
@{char@:Whole solhead@:96@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s0so
l@} [96]
@{char@:Quarter fa up head@:88@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u2fa@
} [88]
@{char@:Half thin lahead@:103@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s1laTh
in@} [103]
@{char@:Half dohead@:56@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615@:d1do@}
[56]
@{char@:Quarter fa down head@:89@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d2f
a@} [89]
@{char@:Quarter lahead@:104@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s2laThin
@} [104]
@{char@:Half solhead@:97@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s1sol
@} [97]
@{char@:Half dohead@:57@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:u1do@
} [57]
@{char@:Whole thin fa up head@:90@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u0
faThin@} [90]
@{char@:Quarter dohead@:58@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615@:d2d
o@} [58]
@{char@:Whole up tihead@:105@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.37988@:s
0ti@} [105]
@{char@:Quarter solhead@:98@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s2
sol@} [98]
@{char@:Whole thin fa down head@:91@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:
d0faThin@} [91]Internal Error (overlap) in two: monotonic is both needed and unneeded (0.0419922,12.6826)->(235.421,355.004). x=23.2871 (prev=23.287)
Internal Error (overlap) in two: monotonic is both needed and unneeded (80.5674,302.764)->(11.6641,371.666). x=23.2871 (prev=23.287)
Internal Error (overlap) in two: monotonic is both needed and unneeded (11.6641,371.666)->(164.999,500). x=23.2871 (prev=23.287)
Internal Error (overlap) in two: Winding number did not return to 0 when x=23.2871
Internal Error (overlap) in two: monotonic is both needed and unneeded (0.0419922,12.6826)->(235.421,355.004). x=23.2871 (prev=23.287)
Internal Error (overlap) in two: monotonic is both needed and unneeded (80.5674,302.764)->(11.6641,371.666). x=23.2871 (prev=23.287)
Internal Error (overlap) in two: monotonic is both needed and unneeded (11.6641,371.666)->(164.999,500). x=23.2871 (prev=23.287)
Internal Error (overlap) in two: Winding number did not return to 0 when x=23.2871

@{char@:Quarter dohead@:59@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:u2
do@} [59]
@{char@:Whole lahead@:99@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s0la@}
[99]
@{char@:half thin fa up head@:92@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u1f
aThin@} [92]
@{char@:Whole thin dohead@:60@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@
:s0doThin@} [60]
@{char@:Half lahead@:100@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s1la@}
[100]
@{char@:Half up tihead@:106@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.37988@:u1
ti@} [106]
@{char@:Half thin fa down head@:93@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d
1faThin@} [93]
@{char@:Quarter lahead@:101@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s2la@}
[101]
@{char@:Half thin dohead@:61@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615@:d
1doThin@} [61]
@{char@:Quarter thin fa up head@:94@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:
u2faThin@} [94]
@{char@:Half down tihead@:107@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.37988@
:d1ti@} [107]
@{char@:Whole thin lahead@:102@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s0laT
hin@} [102]
@{char@:Half thin dohead@:62@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:
u1doThin@} [62]
@{char@:Half thin lahead@:103@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s1laTh
in@} [103]
@{char@:Quarter thin fa down head@:95@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0
@:d2faThin@} [95]
@{char@:Quarter up tihead@:108@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.37988@
:u2ti@} [108]
@{char@:Quarter thin dohead@:63@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615
@:d2doThin@} [63]
@{char@:Quarter lahead@:104@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s2laThin
@} [104]
@{char@:Quarter down tihead@:109@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.379
88@:d2ti@} [109]
@{char@:Quarter thin dohead@:64@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.7461
5@:u2doThin@} [64]
@{char@:Whole solhead@:96@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s0so
l@} [96]
@{char@:Whole up tihead@:105@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904@:s0
ti@} [105]
@{char@:Whole thin up tihead@:110@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.379
88@:s0tiThin@} [110]
@{char@:Half up tihead@:106@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904@:u1t
i@} [106]
@{char@:Half thin up tihead@:111@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.3798
8@:u1tiThin@} [111]
@{char@:Half solhead@:97@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s1sol
@} [97]
@{char@:Whole rehead@:65@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:s0re@
} [65]
@{char@:Half thin down tihead@:112@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.3
7988@:d1tiThin@} [112]
@{char@:Quarter solhead@:98@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s2
sol@} [98]
@{char@:Half down tihead@:107@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.4904@:
d1ti@} [107]
@{char@:Half up rehead@:66@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:u1r
e@} [66]
@{char@:Quarter thin up tihead@:113@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.3
7988@:u2tiThin@} [113]
@{char@:Whole lahead@:99@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s0la@}
[99]
@{char@:Half down rehead@:67@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.79472@:
d1re@} [67]
@{char@:Half lahead@:100@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s1la@}
[100]
@{char@:Quarter up tihead@:108@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904@:
u2ti@} [108]
@{char@:Quarter up rehead@:68@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:
u2re@} [68]
@{char@:Quarter thin down tihead@:114@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-
0.37988@:d2tiThin@} [114]
@{char@:Quarter lahead@:101@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s2la@}
[101]
@{char@:Quarter down tihead@:109@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.490
4@:d2ti@} [109]
@{char@:Quarter down rehead@:69@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.7947
2@:d2re@} [69]
@{char@:Whole up Funk dohead@:115@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
doFunk@} [115]
@{char@:Whole thin lahead@:102@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s0laT
hin@} [102]
@{char@:Whole thin up tihead@:110@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.490
4@:s0tiThin@} [110]
@{char@:Whole thin rehead@:70@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:
s0reThin@} [70]
@{char@:Whole down Funk dohead@:116@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0doFunk@} [116]
@{char@:Half thin lahead@:103@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s1laTh
in@} [103]
@{char@:Half thin up tihead@:111@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904
@:u1tiThin@} [111]
@{char@:Half up thin rehead@:71@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472
@:u1reThin@} [71]
@{char@:Quarter lahead@:104@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s2laThin
@} [104]
@{char@:Half down thin rehead@:72@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.79
472@:d1reThin@} [72]
@{char@:Half up Funk dohead@:117@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1d
oFunk@} [117]
@{char@:Half thin down tihead@:112@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.4
904@:d1tiThin@} [112]
@{char@:Quarter thin rehead@:73@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472
@:u2reThin@} [73]
@{char@:Half down Funk dohead@:118@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1doFunk@} [118]
@{char@:Whole up tihead@:105@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.43193@:s
0ti@} [105]
@{char@:Quarter thin up tihead@:113@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4
904@:u2tiThin@} [113]
@{char@:Quarter thin rehead@:74@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.7947
2@:d2reThin@} [74]
@{char@:Quarter up Funk dohead@:119@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2doFunk@} [119]
@{char@:Quarter thin down tihead@:114@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-
0.4904@:d2tiThin@} [114]
@{char@:Half up tihead@:106@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.43193@:u1
ti@} [106]
@{char@:Quarter down Funk dohead@:120@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2doFunk@} [120]
@{char@:Whole mihead@:75@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s0mi@}
[75]
@{char@:Whole up Funk dohead@:115@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0do
Funk@} [115]
@{char@:Half down tihead@:107@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.43193@
:d1ti@} [107]
@{char@:Half mihead@:76@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s1mi@} [76]
@{char@:Whole up Funk rehead@:121@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
reFunk@} [121]
@{char@:Whole down Funk dohead@:116@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
doFunk@} [116]
@{char@:Quarter up tihead@:108@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.43193@
:u2ti@} [108]
@{char@:Quarter mihead@:77@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s2mi@}
[77]
@{char@:Half up Funk dohead@:117@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1doF
unk@} [117]
@{char@:Whole down Funk rehead@:122@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0reFunk@} [122]
@{char@:Quarter down tihead@:109@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.431
93@:d2ti@} [109]
@{char@:Half down Funk dohead@:118@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1d
oFunk@} [118]
@{char@:Half up Funk rehead@:123@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1r
eFunk@} [123]
@{char@:Whole mirror mihead@:78@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s0mi
Mirror@} [78]
@{char@:Whole thin up tihead@:110@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.431
93@:s0tiThin@} [110]
@{char@:Quarter up Funk dohead@:119@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
doFunk@} [119]
@{char@:Half down Funk rehead@:124@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1reFunk@} [124]
@{char@:Quarter down Funk dohead@:120@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2doFunk@} [120]
@{char@:Quarter up Funk rehead@:125@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2reFunk@} [125]
@{char@:Half  mirror mihead@:79@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s1mi
Mirror@} [79]
@{char@:Half thin up tihead@:111@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.4319
3@:u1tiThin@} [111]
@{char@:Quarter down Funk rehead@:126@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2reFunk@} [126]
@{char@:Whole up Funk rehead@:121@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0re
Funk@} [121]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.

@{char@:Quarter mirror mihead@:80@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s2
miMirror@} [80]Failed to change locale.

@{char@:Half thin down tihead@:112@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.4
3193@:d1tiThin@} [112]
@{char@:Whole down Funk rehead@:122@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
reFunk@} [122]
@{char@:Whole up Funk mihead@:127@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:u0
miFunk@} [127]
@{char@:Whole thin mihead@:81@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s0miTh
in@} [81]
@{char@:Quarter thin up tihead@:113@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.4
3193@:u2tiThin@} [113]
@{char@:Half up Funk rehead@:123@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1reF
unk@} [123]
@{char@:Quarter thin down tihead@:114@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-
0.43193@:d2tiThin@} [114]
@{char@:Half thin mihead@:82@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s1miThi
n@} [82]
@{char@:Half down Funk rehead@:124@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1r
eFunk@} [124]
@{char@:Whole down Funk mihead@:128@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:
d0miFunk@} [128]
@{char@:Whole up Funk dohead@:115@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
doFunk@} [115]
@{char@:Quarter up Funk rehead@:125@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
reFunk@} [125]
@{char@:Half up Funk mihead@:129@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:u1m
iFunk@} [129]
@{char@:Whole down Funk dohead@:116@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0doFunk@} [116]
@{char@:Quarter down Funk rehead@:126@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2reFunk@} [126]
@{char@:Quarter thin mihead@:83@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s2mi
Thin@} [83]
@{char@:Half down Funk mihead@:130@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:d
1miFunk@} [130]
*** Successfully generated feta-alphabet20.pfb! ***
Failed to change locale.

@{char@:Whole up Funk mihead@:127@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:u0
miFunk@} [127]
@{char@:Half up Funk dohead@:117@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1d
oFunk@} [117]
@{char@:Whole fa up head@:84@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u0fa@}
[84]
@{char@:Quarter Funk mihead@:131@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s2m
iFunk@} [131]
@{char@:Whole down Funk mihead@:128@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:
d0miFunk@} [128]
@{char@:Whole up Funk fahead@:132@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
faFunk@} [132]
*** Successfully generated feta-alphabet23.pfb! ***

@{char@:Whole down Funk fahead@:133@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0faFunk@} [133]
@{char@:Half down Funk dohead@:118@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1doFunk@} [118]
@{char@:Half up Funk mihead@:129@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:u1m
iFunk@} [129]
@{char@:Quarter up Funk dohead@:119@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2doFunk@} [119]
@{char@:Half up Funk fahead@:134@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1f
aFunk@} [134]
@{char@:Half down Funk mihead@:130@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:d
1miFunk@} [130]
@{char@:Quarter down Funk dohead@:120@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2doFunk@} [120]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-noteheads20.mf'"...
( echo ./out/feta-noteheads26.pfb:  > out/feta-noteheads26.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-noteheads26.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-noteheads26 --fullname=feta-noteheads26 --name=feta-noteheads26 feta-noteheads26.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Half down Funk fahead@:135@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1faFunk@} [135]
@{char@:Quarter Funk mihead@:131@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s2m
iFunk@} [131]
@{char@:Whole up Funk rehead@:121@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
reFunk@} [121]
@{char@:Quarter up Funk fahead@:136@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2faFunk@} [136]
@{char@:Whole up Funk fahead@:132@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0fa
Funk@} [132]
@{char@:Whole down Funk rehead@:122@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0reFunk@} [122]
@{char@:Quarter down Funk fahead@:137@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2faFunk@} [137]
@{char@:Half up Funk rehead@:123@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1r
eFunk@} [123]
@{char@:Whole down Funk fahead@:133@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
faFunk@} [133]
@{char@:Whole fa down head@:85@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d0fa@
} [85]
@{char@:Whole Funk solhead@:138@:0@:2.89839@:1.35674@:1.35674@:2.89839@:0.21523
@:s0solFunk@} [138]
@{char@:Half down Funk rehead@:124@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1reFunk@} [124]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-noteheads23.mf'"...

@{char@:Quarter up Funk rehead@:125@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2reFunk@} [125]
@{char@:half fa up head@:86@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u1fa@}
[86]
@{char@:Half Funk solhead@:139@:0@:2.89839@:1.35674@:1.35674@:2.89839@:0.21523@
:s1solFunk@} [139]
@{char@:Quarter down Funk rehead@:126@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2reFunk@} [126]
@{char@:Half fa down head@:87@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d1fa@}
[87]
@{char@:Half up Funk fahead@:134@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1faF
unk@} [134]
@{char@:Quarter Funk solhead@:140@:0@:2.89839@:1.35674@:1.35674@:2.89839@:0.215
23@:s2solFunk@} [140]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp( echo ./out/feta-flags13.pfb:  > out/feta-flags13.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-flags13.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-flags13 --fullname=feta-flags13 --name=feta-flags13 feta-flags13.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
 (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Whole Funk lahead@:141@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0laF
unk@} [141]
@{char@:Half down Funk fahead@:135@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1f
aFunk@} [135]
@{char@:Whole up Funk mihead@:127@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:u0miFu
nk@} [127]
@{char@:Half Funk lahead@:142@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s1laFu
nk@} [142]
@{char@:Quarter up Funk fahead@:136@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
faFunk@} [136]
@{char@:Quarter fa up head@:88@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u2fa@
} [88]
@{char@:Quarter Funk lahead@:143@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s2l
aFunk@} [143]
@{char@:Whole down Funk mihead@:128@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:d0mi
Funk@} [128]
@{char@:Quarter fa down head@:89@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d2f
a@} [89]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Whole up Funk tihead@:144@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
tiFunk@} [144]
@{char@:Half up Funk mihead@:129@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:u1miFun
k@} [129]
@{char@:Whole thin fa up head@:90@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u0
faThin@} [90]
@{char@:Whole down Funk tihead@:145@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0tiFunk@} [145])
@{char@:Half down Funk mihead@:130@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:d1miF
unk@} [130]
@{char@:Whole thin fa down head@:91@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:
d0faThin@} [91]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads20.mf
@{char@:Quarter down Funk fahead@:137@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2faFunk@} [137]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Quarter Funk mihead@:131@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s2miFun
k@} [131]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf
@{char@:Half up Funk tihead@:146@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1t
iFunk@} [146](./mf2pt1.mp (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Whole Funk solhead@:138@:0@:3.74165@:1.75145@:1.75145@:3.74165@:0.27783
@:s0solFunk@} [138]
@{char@:half thin fa up head@:92@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u1f
aThin@} [92]
@{char@:Whole up Funk fahead@:132@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
faFunk@} [132])
@{char@:Half down Funk tihead@:147@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1tiFunk@} [147]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Half thin fa down head@:93@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d
1faThin@} [93])
@{char@:Whole down Funk fahead@:133@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0faFunk@} [133]
@{char@:Quarter up Funk tihead@:148@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2tiFunk@} [148]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{font@:GNU@:LilyPond@:feta@:20@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:Quarter thin fa up head@:94@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:
u2faThin@} [94]
@{char@:Quarter down Funk tihead@:149@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2tiFunk@} [149]
@{char@:Half up Funk fahead@:134@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1f
aFunk@} [134]
@{char@:Quarter thin fa down head@:95@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0
@:d2faThin@} [95])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads23.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Half down Funk fahead@:135@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1faFunk@} [135]
@{char@:Whole Walker dohead@:150@:0@:3.09573@:1.35674@:1.35674@:1.83174@:1.0730
4@:s0doWalker@} [150]
@{char@:Half Funk solhead@:139@:0@:3.74165@:1.75145@:1.75145@:3.74165@:0.27783@
:s1solFunk@} [139]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf
@{group@:noteheads@}
@{char@:Longa notehead@:33@:1.00009@:10.90022@:3.6@:17.59991@:10.90022@:0@:uM2@
} [33]
@{char@:Whole solhead@:96@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s0so
l@} [96] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Half up Walker dohead@:151@:0@:3.09573@:1.35674@:1.35674@:1.83174@:1.07
304@:u1doWalker@} [151]
@{char@:Quarter Funk solhead@:140@:0@:3.74165@:1.75145@:1.75145@:3.74165@:0.277
83@:s2solFunk@} [140]
@{char@:Half down Walker dohead@:152@:0@:3.09573@:1.35674@:1.35674@:1.83174@:1.
07304@:d1doWalker@} [152])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Whole Funk lahead@:141@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0laFun
k@} [141]
@{char@:Longa notehead@:34@:1.00009@:10.90022@:17.59991@:3.6@:10.90022@:0@:dM2@
} [34]
@{char@:Half solhead@:97@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s1sol
@} [97]
@{char@:Quarter up Walker dohead@:153@:0@:3.09573@:1.35674@:1.35674@:1.83174@:1
.07304@:u2doWalker@} [153]
@{char@:Half Funk lahead@:142@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s1laFunk
@} [142]
@{char@:Quarter solhead@:98@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s2
sol@} [98])
@{char@:Quarter Funk lahead@:143@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s2laF
unk@} [143]
@{char@:Quarter down Walker dohead@:154@:0@:3.09573@:1.35674@:1.35674@:1.83174@
:1.07304@:d2doWalker@} [154]
@{font@:GNU@:LilyPond@:feta@:22.45@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:Whole lahead@:99@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s0la@}
[99]
@{char@:Brevis notehead@:35@:1.00009@:10.90022@:3.6@:3.6@:10.90022@:0@:sM1@}
[35]
@{char@:Whole up Funk tihead@:144@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0ti
Funk@} [144]
@{char@:Whole Walker rehead@:155@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0r
eWalker@} [155]
@{char@:Half lahead@:100@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s1la@}
[100]
@{char@:Whole down Funk tihead@:145@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
tiFunk@} [145]
@{char@:Half up Walker rehead@:156@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u
1reWalker@} [156]
@{char@:Quarter lahead@:101@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s2la@}
[101]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:1.04214@:12.0826@:3.92874@:19.7241@:12.0826@:0@:uM2
@} [33]Failed to change locale.

@{char@:Double-lined brevis notehead@:36@:2.23228@:12.13242@:3.6@:3.6@:12.13242
@:0@:sM1double@} [36]
@{char@:Quarter up Funk fahead@:136@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2faFunk@} [136]
@{char@:Half down Walker rehead@:157@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@
:d1reWalker@} [157]
@{char@:Half up Funk tihead@:146@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1tiF
unk@} [146]
@{char@:Whole notehead@:37@:0@:9.90004@:2.75003@:2.75003@:9.90004@:0@:s0@}
[37]
@{char@:Whole thin lahead@:102@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s0laT
hin@} [102]
@{char@:Longa notehead@:34@:1.04214@:12.0826@:19.7241@:3.92874@:12.0826@:0@:dM2
@} [34]
@{char@:Quarter up Walker rehead@:158@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:u2reWalker@} [158]
@{char@:Quarter down Funk fahead@:137@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2faFunk@} [137]
@{char@:Half down Funk tihead@:147@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1t
iFunk@} [147]
@{char@:Half notehead@:38@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s1@}
[38]
@{char@:Brevis notehead@:35@:1.04214@:12.0826@:3.92874@:3.92874@:12.0826@:0@:sM
1@} [35]
@{char@:Quarter down Walker rehead@:159@:0@:3.09573@:1.35674@:1.35674@:3.09573@
:0@:d2reWalker@} [159]
@{char@:Half thin lahead@:103@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s1laTh
in@} [103]
@{char@:Quarter notehead@:39@:0@:6.58089@:2.75003@:2.75003@:6.58089@:0.93907@:s
2@} [39]
@{char@:Whole Funk solhead@:138@:0@:3.29552@:1.54262@:1.54262@:3.29552@:0.2447@
:s0solFunk@} [138]
@{char@:Quarter lahead@:104@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s2laThin
@} [104]
@{char@:Quarter up Funk tihead@:148@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
tiFunk@} [148]
@{char@:Whole diamondhead@:40@:0@:9.90013@:2.75003@:2.75003@:9.90013@:0@:s0diam
ond@} [40]
@{char@:Half Funk solhead@:139@:0@:3.29552@:1.54262@:1.54262@:3.29552@:0.2447@:
s1solFunk@} [139]
@{char@:Whole Walker mihead@:160@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s0m
iWalker@} [160]
@{char@:Quarter down Funk tihead@:149@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2tiFunk@} [149]
@{char@:Double-lined brevis notehead@:36@:2.30983@:13.35028@:3.92874@:3.92874@:
13.35028@:0@:sM1double@} [36]
@{char@:Half diamondhead@:41@:0@:7.28357@:2.75003@:2.75003@:7.28357@:1.94417@:s
1diamond@} [41]
@{char@:Quarter Funk solhead@:140@:0@:3.29552@:1.54262@:1.54262@:3.29552@:0.244
7@:s2solFunk@} [140]
@{char@:Whole up tihead@:105@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563@:s0
ti@} [105]
@{char@:Whole notehead@:37@:0@:11.18692@:3.06679@:3.06679@:11.18692@:0@:s0@}
[37]
@{char@:Quarter diamondhead@:42@:0@:7.37505@:2.75003@:2.75003@:7.37505@:1.98125
@:s2diamond@} [42]
@{char@:Whole Walker dohead@:150@:0@:3.9118@:1.75145@:1.75145@:2.25804@:1.44954
@:s0doWalker@} [150]
@{char@:Half Walker mihead@:161@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s1mi
Walker@} [161]
@{char@:Whole Funk lahead@:141@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0laF
unk@} [141]
*** Successfully generated feta-alphabet26.pfb! ***

@{char@:Half up Walker dohead@:151@:0@:3.9118@:1.75145@:1.75145@:2.25804@:1.449
54@:u1doWalker@} [151]
@{char@:Half up tihead@:106@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563@:u1t
i@} [106]
@{char@:Half Funk lahead@:142@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s1laFu
nk@} [142]
@{char@:Quarter Walker mihead@:162@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s
2miWalker@} [162]
@{char@:Half notehead@:38@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s1@}
[38]
@{char@:Quarter Funk lahead@:143@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s2l
aFunk@} [143]
@{char@:Half down Walker dohead@:152@:0@:3.9118@:1.75145@:1.75145@:2.25804@:1.4
4954@:d1doWalker@} [152]
@{char@:Half down tihead@:107@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.5563@:
d1ti@} [107]
@{char@:Quarter notehead@:39@:0@:7.3881@:3.06679@:3.06679@:7.3881@:1.08601@:s2@
} [39]
@{char@:Whole Walker fahead@:163@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0f
aWalker@} [163]
@{char@:Quarter up Walker dohead@:153@:0@:3.9118@:1.75145@:1.75145@:2.25804@:1.
44954@:u2doWalker@} [153]
@{char@:Quarter up tihead@:108@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563@:
u2ti@} [108]
@{char@:Half up Walker fahead@:164@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u
1faWalker@} [164]
@{char@:Whole diamondhead@:40@:0@:11.04045@:3.06679@:3.06679@:11.04045@:0@:s0di
amond@} [40]
@{char@:Whole trianglehead@:43@:0@:11.57098@:4.37633@:3.65997@:11.571@:0.71634@
:s0triangle@} [43]
@{char@:Quarter down Walker dohead@:154@:0@:3.9118@:1.75145@:1.75145@:2.25804@:
1.44954@:d2doWalker@} [154]
@{char@:Whole up Funk tihead@:144@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
tiFunk@} [144]
@{char@:Quarter down tihead@:109@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.556
3@:d2ti@} [109]
@{char@:Half diamondhead@:41@:0@:8.12254@:3.06679@:3.06679@:8.12254@:2.16812@:s
1diamond@} [41]
@{char@:Half down Walker fahead@:165@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@
:d1faWalker@} [165]
@{char@:Whole down Funk tihead@:145@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0tiFunk@} [145]
@{char@:Whole Walker rehead@:155@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0reW
alker@} [155]
@{char@:Quarter diamondhead@:42@:0@:8.22453@:3.06679@:3.06679@:8.22453@:2.20944
@:s2diamond@} [42]
@{char@:Whole thin up tihead@:110@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.556
3@:s0tiThin@} [110]
@{char@:Quarter up Walker fahead@:166@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:u2faWalker@} [166]
@{char@:Half up Funk tihead@:146@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1t
iFunk@} [146]
@{char@:Half up Walker rehead@:156@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1r
eWalker@} [156]
@{char@:Half thin up tihead@:111@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563
@:u1tiThin@} [111]( echo ./out/feta-flags14.pfb:  > out/feta-flags14.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-flags14.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-flags14 --fullname=feta-flags14 --name=feta-flags14 feta-flags14.mf ) \

@{char@:Quarter down Walker fahead@:167@:0@:3.09573@:1.35674@:1.35674@:3.09573@
:0@:d2faWalker@} [167]&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Half down Walker rehead@:157@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d
1reWalker@} [157]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:8.36156@:3.94562@:3.30887@:7.03813
@:3.44557@:d1triangle@} [44]
@{char@:Whole Walker lahead@:168@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0l
aWalker@} [168]
@{char@:Half thin down tihead@:112@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.5
563@:d1tiThin@} [112]
@{char@:Quarter up Walker rehead@:158@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
u2reWalker@} [158]
@{char@:Half Funk lahead@:169@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s1laWa
lker@} [169]
@{char@:Quarter thin up tihead@:113@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5
563@:u2tiThin@} [113]
@{char@:Whole trianglehead@:43@:0@:12.85443@:4.86397@:4.0651@:12.85445@:0.79886
@:s0triangle@} [43]
@{char@:Quarter down Walker rehead@:159@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0
@:d2reWalker@} [159]
@{char@:Half down Funk tihead@:147@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1tiFunk@} [147]
@{char@:Quarter Funk lahead@:170@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s2l
aWalker@} [170]
@{char@:Quarter thin down tihead@:114@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-
0.5563@:d2tiThin@} [114]
@{char@:Quarter up Funk tihead@:148@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2tiFunk@} [148]
@{char@:Whole Walker tihead@:171@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0t
iWalker@} [171]
@{char@:Whole up Funk dohead@:115@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
doFunk@} [115]
@{char@:Quarter down Funk tihead@:149@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2tiFunk@} [149]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:8.36156@:3.94562@:3.30887@:8.36157@:
0.63673@:u1triangle@} [45]
@{char@:Half up Walker tihead@:172@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u
1tiWalker@} [172]
@{char@:Whole down Funk dohead@:116@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0doFunk@} [116]
@{char@:Half down Walker tihead@:173@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@
:d1tiWalker@} [173]
@{char@:Half up Funk dohead@:117@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1d
oFunk@} [117]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:9.28519@:4.38365@:3.67355@:7.80933
@:3.84247@:d1triangle@} [44]
@{char@:Whole Walker mihead@:160@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s0m
iWalker@} [160]
@{char@:Quarter up Walker tihead@:174@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:u2tiWalker@} [174]
@{char@:Whole Walker dohead@:150@:0@:3.48087@:1.54262@:1.54262@:2.03291@:1.2503
5@:s0doWalker@} [150]
@{char@:Quarter down Walker tihead@:175@:0@:3.09573@:1.35674@:1.35674@:3.09573@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:12.6@}
@{parameter@:stafflinethickness@:0.43655@}
@{parameter@:staff_space@:3.15001@}
@{parameter@:linethickness@:0.43655@}
@{parameter@:black_notehead_width@:4.12764@}
@{parameter@:ledgerlinethickness@:0.87311@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Quarter trianglehead (upstem)@:46@:0@:6.96799@:3.94562@:3.30887@:6.968@
:0.63673@:u2triangle@} [46]
@{char@:Half up Walker dohead@:151@:0@:3.48087@:1.54262@:1.54262@:2.03291@:1.25
035@:u1doWalker@} [151]
@{char@:Half Walker mihead@:161@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s1mi
Walker@} [161]
@{char@:Half down Funk dohead@:118@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1doFunk@} [118]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:9.28519@:4.38365@:3.67355@:9.2852@:0
.71008@:u1triangle@} [45]
@{char@:Half down Walker dohead@:152@:0@:3.48087@:1.54262@:1.54262@:2.03291@:1.
25035@:d1doWalker@} [152]
@{char@:Quarter up Funk dohead@:119@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2doFunk@} [119]
Font metrics written on feta-noteheads13.tfm.
143 output files written: feta-noteheads13.33 .. feta-noteheads13.175
Transcript written on feta-noteheads13.log.

@{char@:Quarter up Walker dohead@:153@:0@:3.48087@:1.54262@:1.54262@:2.03291@:1
.25035@:u2doWalker@} [153]
@{char@:Quarter down Funk dohead@:120@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2doFunk@} [120]
@{char@:Quarter Walker mihead@:162@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s
2miWalker@} [162]
@{char@:Quarter down Walker dohead@:154@:0@:3.48087@:1.54262@:1.54262@:2.03291@
:1.25035@:d2doWalker@} [154]
@{char@:Whole up Funk rehead@:121@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
reFunk@} [121]
@{char@:Whole Walker fahead@:163@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0faW
alker@} [163]
@{char@:Whole Walker rehead@:155@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0r
eWalker@} [155]
@{char@:Half up Walker fahead@:164@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1f
aWalker@} [164]
@{char@:Quarter trianglehead (upstem)@:46@:0@:7.73769@:4.38365@:3.67355@:7.7377
@:0.71008@:u2triangle@} [46]
@{char@:Whole down Funk rehead@:122@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0reFunk@} [122]
@{char@:Half up Walker rehead@:156@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u
1reWalker@} [156]
@{char@:Half up Funk rehead@:123@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1r
eFunk@} [123]
@{char@:Half down Walker fahead@:165@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d
1faWalker@} [165]
@{char@:Half down Walker rehead@:157@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@
:d1reWalker@} [157]
@{char@:Half down Funk rehead@:124@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1reFunk@} [124]
@{char@:Quarter up Walker rehead@:158@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:u2reWalker@} [158]
@{char@:Quarter up Walker fahead@:166@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
u2faWalker@} [166]
@{char@:Quarter up Funk rehead@:125@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2reFunk@} [125]
@{char@:Quarter down Walker rehead@:159@:0@:3.48087@:1.54262@:1.54262@:3.48087@
:0@:d2reWalker@} [159]
@{char@:Quarter down Walker fahead@:167@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0
@:d2faWalker@} [167]
@{char@:Whole Walker mihead@:160@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s0miWal
ker@} [160]
@{char@:Whole Walker lahead@:168@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0laW
alker@} [168]
@{char@:Quarter down Funk rehead@:126@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2reFunk@} [126]
@{char@:Half Funk lahead@:169@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s1laWalk
er@} [169]
@{char@:Half Walker mihead@:161@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s1miWalk
er@} [161]
@{char@:Quarter Funk lahead@:170@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s2laW
alker@} [170]
@{char@:Whole up Funk mihead@:127@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:u0
miFunk@} [127]
@{char@:Quarter trianglehead (downstem)@:47@:0@:6.96799@:3.94562@:3.30887@:5.86
513@:3.44557@:d2triangle@} [47]
@{char@:Whole Walker tihead@:171@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0tiW
alker@} [171]
@{char@:Quarter Walker mihead@:162@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s2miW
alker@} [162]
@{char@:Whole down Funk mihead@:128@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:
d0miFunk@} [128]
@{char@:Half up Walker tihead@:172@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1t
iWalker@} [172]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-noteheads13
    font_weight:               Medium
    font_identifier:           feta12.6
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -80
    font_underline_thickness:  40
    font_name:                 feta-noteheads13
    font_unique_id:            4395239
    font_size:                 12.5529265255293 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=79.6626984126984; bpppix 0.02; nonstopmode; input feta-noteheads13.mf'"...

@{char@:Whole Walker fahead@:163@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0f
aWalker@} [163]
@{char@:Whole slashhead@:48@:0@:15.07648@:5.25003@:5.25003@:15.07648@:5.25003@:
s0slash@} [48]
@{char@:Half up Funk mihead@:129@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:u1m
iFunk@} [129]
@{char@:Half down Walker tihead@:173@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d
1tiWalker@} [173]
@{char@:Half slashhead@:49@:0@:11.72646@:5.25003@:5.25003@:11.72646@:5.25003@:s
1slash@} [49]
@{char@:Half up Walker fahead@:164@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u
1faWalker@} [164]
@{char@:Quarter slashhead@:50@:0@:8.5765@:5.25003@:5.25003@:8.5765@:5.25003@:s2
slash@} [50]
@{char@:Half down Funk mihead@:130@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:d
1miFunk@} [130]
@{char@:Quarter up Walker tihead@:174@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
u2tiWalker@} [174]
@{char@:Half down Walker fahead@:165@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@
:d1faWalker@} [165]
@{char@:Whole Crossed notehead@:51@:0@:8.58107@:3.00005@:3.00005@:8.58107@:1.56
798@:s0cross@} [51]
@{char@:Quarter down Walker tihead@:175@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0
@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{char@:Quarter Funk mihead@:131@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s2m
iFunk@} [131]
@{parameter@:staffsize@:15.87@}
@{parameter@:stafflinethickness@:0.46461@}
@{parameter@:staff_space@:3.9675@}
@{parameter@:linethickness@:0.46461@}
@{parameter@:black_notehead_width@:5.21574@}
@{parameter@:ledgerlinethickness@:0.92923@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Quarter up Walker fahead@:166@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:u2faWalker@} [166]
@{char@:Quarter down Walker fahead@:167@:0@:3.48087@:1.54262@:1.54262@:3.48087@
:0@:d2faWalker@} [167]
@{char@:Whole up Funk fahead@:132@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
faFunk@} [132]
Font metrics written on feta-noteheads16.tfm.
143 output files written: feta-noteheads16.33 .. feta-noteheads16.175
Transcript written on feta-noteheads16.log.

@{char@:Half Crossed notehead@:52@:0@:7.58098@:2.87505@:2.87505@:7.58098@:1.642
9@:s1cross@} [52]
@{char@:Whole Walker lahead@:168@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0l
aWalker@} [168]
@{char@:Whole down Funk fahead@:133@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0faFunk@} [133]
@{char@:Crossed notehead@:53@:0@:6.58089@:2.75003@:2.75003@:6.58089@:2.12679@:s
2cross@} [53]
@{char@:Quarter trianglehead (downstem)@:47@:0@:7.73769@:4.38365@:3.67355@:6.50
78@:3.84247@:d2triangle@} [47]
@{char@:Half Funk lahead@:169@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s1laWa
lker@} [169]
@{char@:Half up Funk fahead@:134@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1f
aFunk@} [134]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp
@{char@:X-Circled notehead@:54@:0@:7.82605@:3.27036@:3.27036@:7.82605@:0@:s2xci
rcle@} [54]
@{char@:Quarter Funk lahead@:170@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s2l
aWalker@} [170] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Half down Funk fahead@:135@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1faFunk@} [135]
@{char@:Quarter up Funk fahead@:136@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2faFunk@} [136]
@{char@:Whole Walker tihead@:171@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0t
iWalker@} [171]
@{char@:Whole dohead@:55@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:s0do
@} [55]
@{char@:Whole slashhead@:48@:0@:16.89977@:5.87305@:5.87305@:16.89977@:5.87305@:
s0slash@} [48]
@{char@:Quarter down Funk fahead@:137@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2faFunk@} [137]
@{char@:Half dohead@:56@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995@:d1do@}
[56]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Half slashhead@:49@:0@:13.13934@:5.87305@:5.87305@:13.13934@:5.87305@:s
1slash@} [49]
@{char@:Whole Funk solhead@:138@:0@:4.2445@:1.98683@:1.98683@:4.2445@:0.31517@:
s0solFunk@} [138]
@{char@:Half dohead@:57@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:u1do@
} [57]
@{char@:Quarter slashhead@:50@:0@:9.6035@:5.87305@:5.87305@:9.6035@:5.87305@:s2
slash@} [50])
@{char@:Quarter dohead@:58@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995@:d2d
o@} [58]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads13.mf
@{char@:Half up Walker tihead@:172@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u
1tiWalker@} [172]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Half Funk solhead@:139@:0@:4.2445@:1.98683@:1.98683@:4.2445@:0.31517@:s
1solFunk@} [139]
@{char@:Whole Crossed notehead@:51@:0@:9.4724@:3.32733@:3.32733@:9.4724@:1.8323
@:s0cross@} [51]
@{char@:Half down Walker tihead@:173@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@
:d1tiWalker@} [173]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Quarter Funk solhead@:140@:0@:4.2445@:1.98683@:1.98683@:4.2445@:0.31517
@:s2solFunk@} [140]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Whole Funk lahead@:141@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0laF
unk@} [141]
@{char@:Half Crossed notehead@:52@:0@:8.43025@:3.19707@:3.19707@:8.43025@:1.912
46@:s1cross@} [52]
@{char@:Quarter up Walker tihead@:174@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:u2tiWalker@} [174]
@{char@:Quarter dohead@:59@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:u2
do@} [59]
@{char@:Half Funk lahead@:142@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s1laFu
nk@} [142])
@{char@:Crossed notehead@:53@:0@:7.3881@:3.06679@:3.06679@:7.3881@:2.41814@:s2c
ross@} [53]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Quarter Funk lahead@:143@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s2l
aFunk@} [143]
@{char@:Whole thin dohead@:60@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@
:s0doThin@} [60]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-noteheads16
    font_weight:               Medium
    font_identifier:           feta15.87
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -63
    font_underline_thickness:  32
    font_name:                 feta-noteheads16
    font_unique_id:            4899063
    font_size:                 15.8107098381071 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=63.2482671707624; bpppix 0.02; nonstopmode; input feta-noteheads16.mf'"...

@{char@:Half thin dohead@:61@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995@:d
1doThin@} [61]
@{char@:Whole up Funk tihead@:144@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
tiFunk@} [144])
@{char@:X-Circled notehead@:54@:0@:8.78601@:3.64705@:3.64705@:8.78601@:0@:s2xci
rcle@} [54]
@{char@:Quarter down Walker tihead@:175@:0@:3.48087@:1.54262@:1.54262@:3.48087@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:14.14@}
@{parameter@:stafflinethickness@:0.44977@}
@{parameter@:staff_space@:3.535@}
@{parameter@:linethickness@:0.44977@}
@{parameter@:black_notehead_width@:4.64114@}
@{parameter@:ledgerlinethickness@:0.89954@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{font@:GNU@:LilyPond@:feta@:12.6@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:Half thin dohead@:62@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:
u1doThin@} [62]
@{char@:Whole dohead@:55@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:s0do@}
[55]
@{char@:Quarter thin dohead@:63@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995
@:d2doThin@} [63]
Font metrics written on feta-noteheads14.tfm.
143 output files written: feta-noteheads14.33 .. feta-noteheads14.175
Transcript written on feta-noteheads14.log.

@{char@:Half dohead@:56@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:d1do@}
[56]
@{char@:Quarter thin dohead@:64@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.9999
5@:u2doThin@} [64]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.87311@:7.32896@:2.67752@:11.25444@:7.32896@:0@:uM
2@} [33]
@{char@:Whole down Funk tihead@:145@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0tiFunk@} [145]
@{char@:Half dohead@:57@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:u1do@}
[57]
@{char@:Quarter dohead@:58@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:d2do@
} [58]
@{char@:Whole rehead@:65@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:s0re@
} [65]
@{char@:Half up Funk tihead@:146@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1t
iFunk@} [146]
@{char@:Longa notehead@:34@:0.87311@:7.32896@:11.25444@:2.67752@:7.32896@:0@:dM
2@} [34]
@{char@:Quarter dohead@:59@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:u2do
@} [59]
@{char@:Half down Funk tihead@:147@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1tiFunk@} [147]
@{char@:Half up rehead@:66@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:u1r
e@} [66]
@{char@:Whole thin dohead@:60@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:s
0doThin@} [60]
@{char@:Quarter up Funk tihead@:148@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2tiFunk@} [148]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Quarter down Funk tihead@:149@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2tiFunk@} [149]
@{char@:Half thin dohead@:61@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:d1d
oThin@} [61]
@{char@:Half down rehead@:67@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.89998@:
d1re@} [67]
@{char@:Brevis notehead@:35@:0.87311@:7.32896@:2.67752@:2.67752@:7.32896@:0@:sM
1@} [35](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Half thin dohead@:62@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:u1
doThin@} [62]
@{char@:Whole Walker dohead@:150@:0@:4.39587@:1.98683@:1.98683@:2.51097@:1.6740
6@:s0doWalker@} [150]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-noteheads26.mf'"...

@{char@:Quarter up rehead@:68@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:
u2re@} [68]
@{char@:Quarter thin dohead@:63@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:
d2doThin@} [63]
@{char@:Quarter down rehead@:69@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.8999
8@:d2re@} [69]
@{char@:Half up Walker dohead@:151@:0@:4.39587@:1.98683@:1.98683@:2.51097@:1.67
406@:u1doWalker@} [151]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Double-lined brevis notehead@:36@:1.99017@:8.44603@:2.67752@:2.67752@:8
.44603@:0@:sM1double@} [36]
@{char@:Quarter thin dohead@:64@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@
:u2doThin@} [64]
@{char@:Whole thin rehead@:70@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:
s0reThin@} [70]
@{char@:Half down Walker dohead@:152@:0@:4.39587@:1.98683@:1.98683@:2.51097@:1.
67406@:d1doWalker@} [152])
@{char@:Quarter up Walker dohead@:153@:0@:4.39587@:1.98683@:1.98683@:2.51097@:1
.67406@:u2doWalker@} [153]
@{char@:Half up thin rehead@:71@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998
@:u1reThin@} [71]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads16.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Whole notehead@:37@:0@:5.99461@:1.79329@:1.79329@:5.99461@:0@:s0@}
[37]
@{char@:Whole rehead@:65@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:s0re@}
[65]
@{char@:Quarter down Walker dohead@:154@:0@:4.39587@:1.98683@:1.98683@:2.51097@
:1.67406@:d2doWalker@} [154]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Half down thin rehead@:72@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.89
998@:d1reThin@} [72]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf
@{char@:Half up rehead@:66@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:u1re@
} [66] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Whole Walker rehead@:155@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0r
eWalker@} [155]
@{char@:Quarter thin rehead@:73@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998
@:u2reThin@} [73]
@{char@:Half notehead@:38@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s1@}
[38]
@{char@:Half down rehead@:67@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.01826@:d1
re@} [67]
@{char@:Half up Walker rehead@:156@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u
1reWalker@} [156]
@{char@:Quarter thin rehead@:74@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.8999
8@:d2reThin@} [74]
@{char@:Quarter notehead@:39@:0@:4.12764@:1.79329@:1.79329@:4.12764@:0.47975@:s
2@} [39])
@{char@:Quarter up rehead@:68@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:u2
re@} [68]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Half down Walker rehead@:157@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@
:d1reWalker@} [157]
@{char@:Quarter down rehead@:69@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.01826@
:d2re@} [69]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Whole diamondhead@:40@:0@:6.45586@:1.79329@:1.79329@:6.45586@:0@:s0diam
ond@} [40]
@{char@:Whole mihead@:75@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s0mi@}
[75]
@{char@:Quarter up Walker rehead@:158@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:u2reWalker@} [158](./mf2pt1.mp) (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Whole thin rehead@:70@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:s0
reThin@} [70]
@{char@:Half mihead@:76@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s1mi@} [76]
@{font@:GNU@:LilyPond@:feta@:15.87@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:Half diamondhead@:41@:0@:4.7496@:1.79329@:1.79329@:4.7496@:1.26779@:s1d
iamond@} [41]
@{char@:Quarter down Walker rehead@:159@:0@:4.39587@:1.98683@:1.98683@:4.39587@
:0@:d2reWalker@} [159]
@{char@:Half up thin rehead@:71@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:
u1reThin@} [71]
@{char@:Quarter mihead@:77@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s2mi@}
[77]
@{char@:Quarter diamondhead@:42@:0@:4.80923@:1.79329@:1.79329@:4.80923@:1.29196
@:s2diamond@} [42]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.92923@:8.90707@:3.1826@:14.15587@:8.90707@:0@:uM2
@} [33]
@{char@:Whole Walker mihead@:160@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s0m
iWalker@} [160]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Half down thin rehead@:72@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.0182
6@:d1reThin@} [72]
@{char@:Whole mirror mihead@:78@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s0mi
Mirror@} [78]
@{char@:Quarter thin rehead@:73@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:
u2reThin@} [73]
@{char@:Half Walker mihead@:161@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s1mi
Walker@} [161])
@{char@:Longa notehead@:34@:0.92923@:8.90707@:14.15587@:3.1826@:8.90707@:0@:dM2
@} [34]
@{char@:Quarter thin rehead@:74@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.01826@
:d2reThin@} [74]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads26.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mfInvoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-flags13.mf'"...

@{char@:Brevis notehead@:35@:0.92923@:8.90707@:3.1826@:3.1826@:8.90707@:0@:sM1@
} [35]
@{char@:Whole mihead@:75@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s0mi@} [75])
@{char@:Whole trianglehead@:43@:0@:7.69453@:2.9035@:2.43637@:7.69455@:0.46713@:
s0triangle@} [43]
@{char@:Quarter Walker mihead@:162@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s
2miWalker@} [162]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Half  mirror mihead@:79@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s1mi
Mirror@} [79]
@{char@:Half mihead@:76@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s1mi@} [76]
@{char@:Whole Walker fahead@:163@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0f
aWalker@} [163]
@{char@:Quarter mirror mihead@:80@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s2
miMirror@} [80])
@{font@:GNU@:LilyPond@:feta@:25.2@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:Half up Walker fahead@:164@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u
1faWalker@} [164]
@{char@:Whole thin mihead@:81@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s0miTh
in@} [81]
@{char@:Double-lined brevis notehead@:36@:2.09868@:10.07652@:3.1826@:3.1826@:10
.07652@:0@:sM1double@} [36]
@{char@:Half down Walker fahead@:165@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@
:d1faWalker@} [165]
@{char@:Quarter mihead@:77@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s2mi@}
[77]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:1.08932@:13.40974@:4.40999@:22.22067@:13.40974@:0@:
uM2@} [33]
@{char@:Whole notehead@:37@:0@:7.72525@:2.21606@:2.21606@:7.72525@:0@:s0@}
[37]
@{char@:Quarter up Walker fahead@:166@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:u2faWalker@} [166]
@{char@:Half thin mihead@:82@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s1miThi
n@} [82]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:5.57185@:2.62265@:2.20741@:4.70883
@:2.24686@:d1triangle@} [44]
@{char@:Half notehead@:38@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s1@}
[38]
@{char@:Quarter down Walker fahead@:167@:0@:4.39587@:1.98683@:1.98683@:4.39587@
:0@:d2faWalker@} [167]
@{char@:Quarter thin mihead@:83@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s2mi
Thin@} [83]
@{char@:Longa notehead@:34@:1.08932@:13.40974@:22.22067@:4.40999@:13.40974@:0@:
dM2@} [34]
@{char@:Quarter notehead@:39@:0@:5.21574@:2.21606@:2.21606@:5.21574@:0.68697@:s
2@} [39]
@{char@:Whole mirror mihead@:78@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s0miMi
rror@} [78]
@{char@:Whole Walker lahead@:168@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0l
aWalker@} [168]
@{char@:Whole fa up head@:84@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u0fa@}
[84]
@{char@:Whole diamondhead@:40@:0@:7.97784@:2.21606@:2.21606@:7.97784@:0@:s0diam
ond@} [40]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Half  mirror mihead@:79@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s1miMi
rror@} [79]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-noteheads14
    font_weight:               Medium
    font_identifier:           feta14.14
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -71
    font_underline_thickness:  35
    font_name:                 feta-noteheads14
    font_unique_id:            4465462
    font_size:                 14.0871731008717 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=70.9865629420085; bpppix 0.02; nonstopmode; input feta-noteheads14.mf'"...

@{char@:Half Funk lahead@:169@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s1laWa
lker@} [169](./mf2pt1.mp
@{char@:Whole fa down head@:85@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d0fa@
} [85] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Quarter mirror mihead@:80@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s2mi
Mirror@} [80]
@{char@:Quarter Funk lahead@:170@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s2l
aWalker@} [170]
@{char@:Half diamondhead@:41@:0@:5.86934@:2.21606@:2.21606@:5.86934@:1.56668@:s
1diamond@} [41]
@{char@:half fa up head@:86@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u1fa@}
[86]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:5.57185@:2.62265@:2.20741@:5.57187@:
0.41522@:u1triangle@} [45]
@{char@:Whole Walker tihead@:171@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0t
iWalker@} [171]
@{char@:Quarter diamondhead@:42@:0@:5.94305@:2.21606@:2.21606@:5.94305@:1.59656
@:s2diamond@} [42]
@{char@:Whole thin mihead@:81@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s0miThin
@} [81]
@{char@:Half fa down head@:87@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d1fa@}
[87]
@{char@:Half up Walker tihead@:172@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u
1tiWalker@} [172]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Quarter fa up head@:88@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u2fa@
} [88]
@{char@:Half thin mihead@:82@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s1miThin@
} [82]
@{char@:Half down Walker tihead@:173@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@
:d1tiWalker@} [173]
@{char@:Quarter fa down head@:89@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d2f
a@} [89]
@{char@:Quarter up Walker tihead@:174@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:u2tiWalker@} [174]
@{char@:Brevis notehead@:35@:1.08932@:13.40974@:4.40999@:4.40999@:13.40974@:0@:
sM1@} [35])
@{char@:Quarter thin mihead@:83@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s2miTh
in@} [83]
@{char@:Whole thin fa up head@:90@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u0
faThin@} [90]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags13.mf
@{char@:Quarter down Walker tihead@:175@:0@:4.39587@:1.98683@:1.98683@:4.39587@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{parameter@:staffsize@:17.82@}
@{parameter@:stafflinethickness@:0.48134@}
@{parameter@:staff_space@:4.455@}
@{parameter@:linethickness@:0.48134@}
@{parameter@:black_notehead_width@:5.86116@}
@{parameter@:ledgerlinethickness@:0.96268@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Whole trianglehead@:43@:0@:9.40749@:3.55432@:2.97707@:9.40749@:0.57724@
:s0triangle@} [43]
@{char@:Whole fa up head@:84@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u0fa@}
[84]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Whole thin fa down head@:91@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:
d0faThin@} [91]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
@{char@:Quarter trianglehead (upstem)@:46@:0@:4.64322@:2.62265@:2.20741@:4.6432
3@:0.41522@:u2triangle@} [46]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
Font metrics written on feta-noteheads18.tfm.
143 output files written: feta-noteheads18.33 .. feta-noteheads18.175
Transcript written on feta-noteheads18.log.

@{char@:half thin fa up head@:92@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u1f
aThin@} [92]
@{char@:Whole fa down head@:85@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d0fa@}
[85])
@{char@:Half thin fa down head@:93@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d
1faThin@} [93]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:6.8046@:3.20724@:2.69414@:5.73813@
:2.77655@:d1triangle@} [44]
@{char@:Quarter thin fa up head@:94@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:
u2faThin@} [94]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:half fa up head@:86@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u1fa@}
[86](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Quarter thin fa down head@:95@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0
@:d2faThin@} [95])
@{font@:GNU@:LilyPond@:feta@:12.6@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{char@:Half fa down head@:87@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d1fa@}
[87]
@{char@:Quarter trianglehead (downstem)@:47@:0@:4.64322@:2.62265@:2.20741@:3.92
403@:2.24686@:d2triangle@} [47]
@{char@:Whole solhead@:96@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s0so
l@} [96]
@{char@:Quarter fa up head@:88@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u2fa@}
[88]
@{char@:Whole slashhead@:48@:0@:9.56975@:3.36829@:3.36829@:9.56975@:3.36829@:s0
slash@} [48]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Quarter fa down head@:89@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d2fa@
} [89]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:6.8046@:3.20724@:2.69414@:6.8046@:0.
51309@:u1triangle@} [45]
@{char@:Half slashhead@:49@:0@:7.45921@:3.36829@:3.36829@:7.45921@:3.36829@:s1s
lash@} [49]
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:2.92352@:9.60767@:0.28377@:2.92352@:0@:u3@} [33]
@{char@:Double-lined brevis notehead@:36@:2.39522@:14.71564@:4.40999@:4.40999@:
14.71564@:0@:sM1double@} [36]
@{char@:Quarter slashhead@:50@:0@:5.47472@:3.36829@:3.36829@:5.47472@:3.36829@:
s2slash@} [50]
@{char@:Half solhead@:97@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s1sol
@} [97])
@{char@:Quarter solhead@:98@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s2
sol@} [98]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads14.mf
@{char@:16th Flag (up)@:34@:0@:2.92352@:11.18268@:0.28377@:2.92352@:0@:u4@}
[34]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Whole thin fa up head@:90@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u0fa
Thin@} [90]
@{char@:Whole notehead@:37@:0@:12.62956@:3.42233@:3.42233@:12.62956@:0@:s0@}
[37]
@{char@:Whole Crossed notehead@:51@:0@:5.87386@:2.01157@:2.01157@:5.87386@:0.77
155@:s0cross@} [51]
@{char@:Whole lahead@:99@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s0la@}
[99]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Half lahead@:100@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s1la@}
[100]
@{char@:Half Crossed notehead@:52@:0@:5.00075@:1.90242@:1.90242@:5.00075@:0.828
66@:s1cross@} [52]
@{char@:Quarter trianglehead (upstem)@:46@:0@:5.67052@:3.20724@:2.69414@:5.6705
2@:0.51309@:u2triangle@} [46]
@{char@:32nd Flag (up)@:35@:0@:2.63976@:13.54518@:0.28377@:2.63976@:0@:u5@}
[35]
@{char@:Whole thin fa down head@:91@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d0
faThin@} [91]
@{char@:Quarter lahead@:101@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s2la@}
[101]
@{char@:Half notehead@:38@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s1@}
[38]
@{char@:Crossed notehead@:53@:0@:4.12764@:1.79329@:1.79329@:4.12764@:1.24492@:s
2cross@} [53])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Whole thin lahead@:102@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s0laT
hin@} [102]
@{char@:64th Flag (up)@:36@:0@:2.63976@:16.69519@:0.28377@:2.63976@:0@:u6@}
[36]
@{char@:Quarter notehead@:39@:0@:8.29259@:3.42233@:3.42233@:8.29259@:1.24934@:s
2@} [39]
@{char@:Half thin lahead@:103@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s1laTh
in@} [103]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-noteheads18
    font_weight:               Medium
    font_identifier:           feta17.82
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -56
    font_underline_thickness:  28
    font_name:                 feta-noteheads18
    font_unique_id:            4511790
    font_size:                 17.7534246575342 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=56.3271604938272; bpppix 0.02; nonstopmode; input feta-noteheads18.mf'"...

@{char@:X-Circled notehead@:54@:0@:4.90863@:2.13258@:2.13258@:4.90863@:0@:s2xci
rcle@} [54]
@{char@:Whole diamondhead@:40@:0@:12.32042@:3.42233@:3.42233@:12.32042@:0@:s0di
amond@} [40]
@{char@:Quarter lahead@:104@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s2laThin
@} [104])
@{char@:128th Flag (up)@:37@:0@:2.63976@:19.8452@:0.28377@:2.63976@:0@:u7@}
[37]
@{font@:GNU@:LilyPond@:feta@:14.14@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:Quarter trianglehead (downstem)@:47@:0@:5.67052@:3.20724@:2.69414@:4.78
18@:2.77655@:d2triangle@} [47]
@{char@:Whole dohead@:55@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:s0do
@} [55]
@{char@:Half diamondhead@:41@:0@:9.06424@:3.42233@:3.42233@:9.06424@:2.41948@:s
1diamond@} [41]
@{char@:half thin fa up head@:92@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u1faT
hin@} [92]
@{char@:Whole up tihead@:105@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.62999@:s
0ti@} [105]
@{char@:Whole slashhead@:48@:0@:12.00314@:4.19981@:4.19981@:12.00314@:4.19981@:
s0slash@} [48]
@{char@:8th Flag (down)@:38@:0@:3.39511@:0.28377@:9.02016@:3.39511@:0@:d3@}
[38]
@{char@:Half dohead@:56@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846@:d1do@}
[56]
@{char@:Half up tihead@:106@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.62999@:u1
ti@} [106]
@{char@:Half thin fa down head@:93@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d1f
aThin@} [93]
@{char@:Half slashhead@:49@:0@:9.3449@:4.19981@:4.19981@:9.3449@:4.19981@:s1sla
sh@} [49]
@{char@:Half dohead@:57@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:u1do@
} [57]
@{char@:Quarter diamondhead@:42@:0@:9.17807@:3.42233@:3.42233@:9.17807@:2.4656@
:s2diamond@} [42]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-flags14.mf'"...

@{char@:Quarter slashhead@:50@:0@:6.84538@:4.19981@:4.19981@:6.84538@:4.19981@:
s2slash@} [50]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.89954@:8.07214@:2.93756@:12.64304@:8.07214@:0@:uM
2@} [33]
@{char@:16th Flag (down) 3@:39@:0@:3.39511@:0.28377@:9.60767@:3.39511@:0@:d4@}
[39]
@{char@:Quarter dohead@:58@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846@:d2d
o@} [58]
@{char@:Quarter thin fa up head@:94@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u2
faThin@} [94]
@{char@:Half down tihead@:107@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.62999@
:d1ti@} [107]
@{char@:Quarter dohead@:59@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:u2
do@} [59]
@{char@:Whole Crossed notehead@:51@:0@:7.0742@:2.44836@:2.44836@:7.0742@:1.1229
9@:s0cross@} [51]
@{char@:Quarter thin fa down head@:95@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:
d2faThin@} [95]
@{char@:32nd Flag (down)@:40@:0@:3.39511@:0.28377@:11.97017@:3.39511@:0@:d5@}
[40]
@{char@:Quarter up tihead@:108@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.62999@
:u2ti@} [108]
@{char@:Whole thin dohead@:60@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@
:s0doThin@} [60]
@{char@:Half Crossed notehead@:52@:0@:6.14497@:2.33221@:2.33221@:6.14497@:1.188
48@:s1cross@} [52]
@{char@:Longa notehead@:34@:0.89954@:8.07214@:12.64304@:2.93756@:8.07214@:0@:dM
2@} [34]
@{char@:Whole solhead@:96@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s0so
l@} [96]
@{char@:Half thin dohead@:61@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846@:d
1doThin@} [61]
@{char@:Quarter down tihead@:109@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.629
99@:d2ti@} [109]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Crossed notehead@:53@:0@:5.21574@:2.21606@:2.21606@:5.21574@:1.63512@:s
2cross@} [53]
@{char@:Half thin dohead@:62@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.13846@:
u1doThin@} [62](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Whole thin up tihead@:110@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.629
99@:s0tiThin@} [110]
@{char@:Quarter thin dohead@:63@:0@:4.12764@:1.35674@:1.35674@:4.12764@:1.13846
@:d2doThin@} [63]
@{char@:Half solhead@:97@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s1sol
@} [97]
@{char@:X-Circled notehead@:54@:0@:6.2026@:2.63536@:2.63536@:6.2026@:0@:s2xcirc
le@} [54]
@{char@:Whole trianglehead@:43@:0@:14.29497@:5.41129@:4.5198@:14.29498@:0.89146
@:s0triangle@} [43]
@{char@:Quarter thin dohead@:64@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-1.1384
6@:u2doThin@} [64]
@{char@:Half thin up tihead@:111@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.6299
9@:u1tiThin@} [111]
@{char@:Brevis notehead@:35@:0.89954@:8.07214@:2.93756@:2.93756@:8.07214@:0@:sM
1@} [35]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Whole rehead@:65@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:s0re@
} [65]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Whole dohead@:55@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:s0do
@} [55]
@{char@:Quarter solhead@:98@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s2
sol@} [98]
@{char@:64th Flag (down)@:41@:0@:3.39511@:0.28377@:14.33269@:3.39511@:0@:d6@}
[41](./mf2pt1.mp
@{char@:Half thin down tihead@:112@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.6
2999@:d1tiThin@} [112] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Double-lined brevis notehead@:36@:2.04156@:9.21417@:2.93756@:2.93756@:9
.21417@:0@:sM1double@} [36]
@{char@:Half dohead@:56@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913@:d1do@}
[56]
@{char@:Whole lahead@:99@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s0la@} [99])
@{char@:Quarter thin up tihead@:113@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.6
2999@:u2tiThin@} [113]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:10.32191@:4.87529@:4.08287@:8.6749
1@:4.28793@:d1triangle@} [44]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads18.mf
@{char@:128th Flag (down)@:42@:0@:3.39511@:0.28377@:17.4827@:3.39511@:0@:d7@}
[42]
@{char@:Half lahead@:100@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s1la@} [100]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Half dohead@:57@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:u1do@
} [57]
@{char@:Quarter thin down tihead@:114@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-
0.62999@:d2tiThin@} [114]
@{char@:grace dash (up)@:43@:1.90062@:2.63976@:6.80403@:-3.15001@:2.63976@:0@:u
grace@} [43]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Quarter lahead@:101@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s2la@}
[101]
@{char@:Whole notehead@:37@:0@:6.81094@:1.99239@:1.99239@:6.81094@:0@:s0@}
[37]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf
@{char@:Whole up Funk dohead@:115@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
doFunk@} [115]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Quarter dohead@:58@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913@:d2d
o@} [58] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:grace dash (down)@:44@:2.44449@:3.39511@:-3.11853@:6.46384@:3.39511@:0@
:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:12.6@}
@{parameter@:stafflinethickness@:0.43655@}
@{parameter@:staff_space@:3.15001@}
@{parameter@:linethickness@:0.43655@}
@{parameter@:black_notehead_width@:4.12764@}
@{parameter@:ledgerlinethickness@:0.87311@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Whole thin lahead@:102@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s0laThi
n@} [102]
@{char@:Whole down Funk dohead@:116@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0doFunk@} [116]
@{char@:Quarter dohead@:59@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:u2
do@} [59]
@{char@:Half thin lahead@:103@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s1laThin
@} [103]
Font metrics written on feta-flags13.tfm.
12 output files written: feta-flags13.33 .. feta-flags13.44
Transcript written on feta-flags13.log.

@{char@:Half notehead@:38@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s1@}
[38]))
@{char@:Half up Funk dohead@:117@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1d
oFunk@} [117]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:10.32191@:4.87529@:4.08287@:10.32191
@:0.79242@:u1triangle@} [45]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags14.mf
@{char@:Whole thin dohead@:60@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@
:s0doThin@} [60]
@{char@:Quarter lahead@:104@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s2laThin@}
[104]
@{char@:Quarter notehead@:39@:0@:4.64114@:1.99239@:1.99239@:4.64114@:0.57854@:s
2@} [39]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Half down Funk dohead@:118@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1doFunk@} [118]
@{char@:Whole up tihead@:105@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:s0ti
@} [105]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Half thin dohead@:61@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913@:d
1doThin@} [61]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
@{char@:Quarter up Funk dohead@:119@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2doFunk@} [119])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Half up tihead@:106@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:u1ti@
} [106]
@{char@:Whole diamondhead@:40@:0@:7.1726@:1.99239@:1.99239@:7.1726@:0@:s0diamon
d@} [40]
@{font@:GNU@:LilyPond@:feta@:17.82@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:Half up rehead@:66@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:u1r
e@} [66]
@{char@:Quarter down Funk dohead@:120@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2doFunk@} [120]
@{char@:Half thin dohead@:62@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.51913@:
u1doThin@} [62]
@{char@:Half down tihead@:107@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.7128@:d1
ti@} [107]
@{char@:Quarter thin dohead@:63@:0@:5.21574@:1.75145@:1.75145@:5.21574@:1.51913
@:d2doThin@} [63])
@{char@:Half down rehead@:67@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.54268@:
d1re@} [67]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-flags13
    font_weight:               Medium
    font_identifier:           feta12.6
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -80
    font_underline_thickness:  40
    font_name:                 feta-flags13
    font_unique_id:            4191513
    font_size:                 12.5529265255293 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=79.6626984126984; bpppix 0.02; nonstopmode; input feta-flags13.mf'"...

@{char@:Quarter thin dohead@:64@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-1.5191
3@:u2doThin@} [64]
@{char@:Quarter up rehead@:68@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:
u2re@} [68])
@{char@:Quarter trianglehead (upstem)@:46@:0@:8.60161@:4.87529@:4.08287@:8.6016
2@:0.79242@:u2triangle@} [46]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:0.96268@:9.8481@:3.43037@:15.8327@:9.8481@:0@:uM2@}
[33]
@{font@:GNU@:LilyPond@:feta@:14.14@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{char@:Quarter down rehead@:69@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.5426
8@:d2re@} [69]
@{char@:Quarter up tihead@:108@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:u2
ti@} [108]
@{char@:Whole up Funk rehead@:121@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
reFunk@} [121]
@{char@:Half diamondhead@:41@:0@:5.27693@:1.99239@:1.99239@:5.27693@:1.40855@:s
1diamond@} [41]
@{char@:Whole down Funk rehead@:122@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0reFunk@} [122]
@{char@:Quarter down tihead@:109@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.7128@
:d2ti@} [109]
@{char@:Whole thin rehead@:70@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268@:
s0reThin@} [70]
@{char@:Whole rehead@:65@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:s0re@
} [65]
@{char@:Longa notehead@:34@:0.96268@:9.8481@:15.8327@:3.43037@:9.8481@:0@:dM2@}
[34]
@{char@:Whole thin up tihead@:110@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@
:s0tiThin@} [110]
@{char@:Quarter diamondhead@:42@:0@:5.34319@:1.99239@:1.99239@:5.34319@:1.4354@
:s2diamond@} [42]
@{char@:Half up thin rehead@:71@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268
@:u1reThin@} [71]
@{char@:Half up rehead@:66@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:u1r
e@} [66]
@{char@:Half up Funk rehead@:123@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1r
eFunk@} [123]
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:3.25458@:10.78217@:0.29236@:3.25458@:0@:u3@}
[33]
@{char@:Quarter trianglehead (downstem)@:47@:0@:8.60161@:4.87529@:4.08287@:7.22
911@:4.28793@:d2triangle@} [47]
@{char@:Half down rehead@:67@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.70056@:
d1re@} [67]
@{char@:Half down Funk rehead@:124@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1reFunk@} [124]
@{char@:Brevis notehead@:35@:0.96268@:9.8481@:3.43037@:3.43037@:9.8481@:0@:sM1@
} [35]
@{char@:Half down thin rehead@:72@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.54
268@:d1reThin@} [72]
@{char@:Whole slashhead@:48@:0@:18.94615@:6.57234@:6.57234@:18.94615@:6.57234@:
s0slash@} [48]
@{char@:Quarter up rehead@:68@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:
u2re@} [68]
@{char@:16th Flag (up)@:34@:0@:3.25458@:12.54967@:0.29236@:3.25458@:0@:u4@}
[34]
@{char@:Whole trianglehead@:43@:0@:8.50125@:3.20999@:2.69101@:8.50125@:0.51898@
:s0triangle@} [43]
@{char@:Quarter up Funk rehead@:125@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2reFunk@} [125]
@{char@:Half slashhead@:49@:0@:14.72511@:6.57234@:6.57234@:14.72511@:6.57234@:s
1slash@} [49]
@{char@:Quarter thin rehead@:73@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.54268
@:u2reThin@} [73]
@{char@:Quarter down rehead@:69@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.7005
6@:d2re@} [69]
@{char@:Quarter down Funk rehead@:126@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2reFunk@} [126]
@{char@:Quarter slashhead@:50@:0@:10.75616@:6.57234@:6.57234@:10.75616@:6.57234
@:s2slash@} [50]
@{char@:Quarter thin rehead@:74@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.5426
8@:d2reThin@} [74]
@{char@:Double-lined brevis notehead@:36@:2.16219@:11.0476@:3.43037@:3.43037@:1
1.0476@:0@:sM1double@} [36]
@{char@:Whole thin rehead@:70@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056@:
s0reThin@} [70]
@{char@:Half thin up tihead@:111@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:
u1tiThin@} [111]
@{char@:32nd Flag (up)@:35@:0@:2.96222@:15.20093@:0.29236@:2.96222@:0@:u5@}
[35]
@{char@:Whole up Funk mihead@:127@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:u0
miFunk@} [127]
@{char@:Whole Crossed notehead@:51@:0@:10.47124@:3.69467@:3.69467@:10.47124@:2.
12938@:s0cross@} [51]
@{char@:Half up thin rehead@:71@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056
@:u1reThin@} [71]
@{char@:Half thin down tihead@:112@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.712
8@:d1tiThin@} [112]
@{char@:Whole notehead@:37@:0@:8.75316@:2.46817@:2.46817@:8.75316@:0@:s0@}
[37]
@{char@:Whole mihead@:75@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s0mi@}
[75]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:6.1524@:2.89795@:2.43663@:5.19359@
:2.4963@:d1triangle@} [44]
@{char@:64th Flag (up)@:36@:0@:2.96222@:18.73593@:0.29236@:2.96222@:0@:u6@}
[36]
@{char@:Whole down Funk mihead@:128@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:
d0miFunk@} [128]
@{char@:Half Crossed notehead@:52@:0@:9.38191@:3.5585@:3.5585@:9.38191@:2.21507
@:s1cross@} [52]
@{char@:Half down thin rehead@:72@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.70
056@:d1reThin@} [72]
@{char@:Half notehead@:38@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s1@}
[38]
@{char@:Quarter thin up tihead@:113@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.712
8@:u2tiThin@} [113]
@{char@:Half mihead@:76@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s1mi@} [76]
@{char@:Quarter thin rehead@:73@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.70056
@:u2reThin@} [73]
@{char@:Crossed notehead@:53@:0@:8.29259@:3.42233@:3.42233@:8.29259@:2.74496@:s
2cross@} [53]
@{char@:Quarter notehead@:39@:0@:5.86116@:2.46817@:2.46817@:5.86116@:0.80692@:s
2@} [39]
@{char@:Half up Funk mihead@:129@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:u1m
iFunk@} [129]
@{char@:Quarter thin rehead@:74@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.7005
6@:d2reThin@} [74]
@{char@:128th Flag (up)@:37@:0@:2.96222@:22.27094@:0.29236@:2.96222@:0@:u7@}
[37]
@{char@:Quarter thin down tihead@:114@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.
7128@:d2tiThin@} [114]
@{char@:X-Circled notehead@:54@:0@:9.86162@:4.06987@:4.06987@:9.86162@:0@:s2xci
rcle@} [54]
@{char@:Whole diamondhead@:40@:0@:8.88542@:2.46817@:2.46817@:8.88542@:0@:s0diam
ond@} [40]
@{char@:Half down Funk mihead@:130@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:d
1miFunk@} [130]
@{char@:Whole mihead@:75@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s0mi@}
[75]
@{char@:Quarter mihead@:77@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s2mi@}
[77]
@{char@:Whole up Funk dohead@:115@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
doFunk@} [115]
@{char@:8th Flag (down)@:38@:0@:3.81155@:0.29236@:10.09842@:3.81155@:0@:d3@}
[38]
@{char@:Whole dohead@:55@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:s0do
@} [55]
@{char@:Whole down Funk dohead@:116@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0doFunk@} [116]
@{char@:Half mihead@:76@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s1mi@} [76]
@{char@:Quarter Funk mihead@:131@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s2m
iFunk@} [131]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:6.1524@:2.89795@:2.43663@:6.1524@:0.
4613@:u1triangle@} [45]
@{char@:Half up Funk dohead@:117@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1d
oFunk@} [117]
@{char@:Half dohead@:56@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533@:d1do@}
[56]
@{char@:Quarter mihead@:77@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s2mi@}
[77]
@{char@:Whole up Funk fahead@:132@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
faFunk@} [132]
@{char@:16th Flag (down) 3@:39@:0@:3.81155@:0.29236@:10.78217@:3.81155@:0@:d4@}
[39]
@{char@:Half down Funk dohead@:118@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1doFunk@} [118]
@{char@:Whole mirror mihead@:78@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s0mi
Mirror@} [78]
@{char@:Half dohead@:57@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:u1do@
} [57]
@{char@:Half diamondhead@:41@:0@:6.53708@:2.46817@:2.46817@:6.53708@:1.74492@:s
1diamond@} [41]
@{char@:Whole down Funk fahead@:133@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0faFunk@} [133]
@{char@:Quarter up Funk dohead@:119@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2doFunk@} [119]
@{char@:Quarter diamondhead@:42@:0@:6.61916@:2.46817@:2.46817@:6.61916@:1.77818
@:s2diamond@} [42]
@{char@:Quarter dohead@:58@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533@:d2d
o@} [58]
@{char@:Half  mirror mihead@:79@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s1mi
Mirror@} [79]
@{char@:Quarter down Funk dohead@:120@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2doFunk@} [120]
@{char@:Whole mirror mihead@:78@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s0mi
Mirror@} [78]
@{char@:32nd Flag (down)@:40@:0@:3.81155@:0.29236@:13.43343@:3.81155@:0@:d5@}
[40]
@{char@:Quarter dohead@:59@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:u2
do@} [59]
@{char@:Quarter trianglehead (upstem)@:46@:0@:5.12701@:2.89795@:2.43663@:5.1270
1@:0.4613@:u2triangle@} [46]
@{char@:Quarter mirror mihead@:80@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s2
miMirror@} [80]
@{char@:Half up Funk fahead@:134@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1f
aFunk@} [134]
@{char@:Whole up Funk rehead@:121@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
reFunk@} [121]
@{char@:Half  mirror mihead@:79@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s1mi
Mirror@} [79]
@{char@:Whole thin dohead@:60@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@
:s0doThin@} [60]
@{char@:Half down Funk fahead@:135@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1faFunk@} [135]
@{char@:64th Flag (down)@:41@:0@:3.81155@:0.29236@:16.08467@:3.81155@:0@:d6@}
[41]
@{char@:Quarter mirror mihead@:80@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s2
miMirror@} [80]
@{char@:Whole down Funk rehead@:122@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0reFunk@} [122]
@{char@:Half thin dohead@:61@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533@:d
1doThin@} [61]
@{char@:Quarter up Funk fahead@:136@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2faFunk@} [136]
@{char@:Whole thin mihead@:81@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s0miTh
in@} [81]
@{char@:Half thin dohead@:62@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:
u1doThin@} [62]
@{char@:Half up Funk rehead@:123@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1r
eFunk@} [123]
@{char@:Quarter down Funk fahead@:137@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2faFunk@} [137]
@{char@:128th Flag (down)@:42@:0@:3.81155@:0.29236@:19.61967@:3.81155@:0@:d7@}
[42]
@{char@:Whole thin mihead@:81@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s0miTh
in@} [81]
@{char@:Quarter thin dohead@:63@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533
@:d2doThin@} [63]
@{char@:Whole trianglehead@:43@:0@:10.42897@:3.94243@:3.2995@:10.42899@:0.64293
@:s0triangle@} [43]
@{char@:Half thin mihead@:82@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s1miThi
n@} [82]
@{char@:grace dash (up)@:43@:2.1328@:2.96222@:7.63562@:-3.535@:2.96222@:0@:ugra
ce@} [43]
@{char@:Quarter trianglehead (downstem)@:47@:0@:5.12701@:2.89795@:2.43663@:4.32
8@:2.4963@:d2triangle@} [47]
@{char@:Half down Funk rehead@:124@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1reFunk@} [124]
@{char@:Quarter thin dohead@:64@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.6053
3@:u2doThin@} [64]
@{char@:Quarter thin mihead@:83@:0@:4.95316@:1.35674@:1.35674@:4.95316@:0@:s2mi
Thin@} [83]
@{char@:Half thin mihead@:82@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s1miThi
n@} [82]
@{char@:Whole Funk solhead@:138@:0@:4.80666@:2.24998@:2.24998@:4.80666@:0.35692
@:s0solFunk@} [138]
@{char@:Whole slashhead@:48@:0@:10.71574@:3.75989@:3.75989@:10.71574@:3.75989@:
s0slash@} [48]
@{char@:grace dash (down)@:44@:2.74432@:3.81155@:-3.49968@:7.25386@:3.81155@:0@
:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:14.14@}
@{parameter@:stafflinethickness@:0.44977@}
@{parameter@:staff_space@:3.535@}
@{parameter@:linethickness@:0.44977@}
@{parameter@:black_notehead_width@:4.64114@}
@{parameter@:ledgerlinethickness@:0.89954@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Half slashhead@:49@:0@:8.34726@:3.75989@:3.75989@:8.34726@:3.75989@:s1s
lash@} [49]
@{char@:Quarter up Funk rehead@:125@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2reFunk@} [125]
@{char@:Quarter thin mihead@:83@:0@:6.25888@:1.75145@:1.75145@:6.25888@:0@:s2mi
Thin@} [83]
@{char@:Whole fa up head@:84@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u0fa@}
[84]
@{char@:Quarter slashhead@:50@:0@:6.12022@:3.75989@:3.75989@:6.12022@:3.75989@:
s2slash@} [50]
Font metrics written on feta-flags14.tfm.
12 output files written: feta-flags14.33 .. feta-flags14.44
Transcript written on feta-flags14.log.
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Half Funk solhead@:139@:0@:4.80666@:2.24998@:2.24998@:4.80666@:0.35692@
:s1solFunk@} [139]
@{char@:Whole rehead@:65@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:s0re@
} [65](./mf2pt1.mp
@{char@:Whole fa up head@:84@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u0fa@}
[84] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Whole fa down head@:85@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d0fa@
} [85]
@{char@:Quarter down Funk rehead@:126@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2reFunk@} [126]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:7.5397@:3.55588@:2.98439@:6.35191@
:3.09244@:d1triangle@} [44]
@{char@:Quarter Funk solhead@:140@:0@:4.80666@:2.24998@:2.24998@:4.80666@:0.356
92@:s2solFunk@} [140]
@{char@:Whole fa down head@:85@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d0fa@
} [85]
@{char@:half fa up head@:86@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u1fa@}
[86]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-flags14
    font_weight:               Medium
    font_identifier:           feta14.14
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -71
    font_underline_thickness:  35
    font_name:                 feta-flags14
    font_unique_id:            4638267
    font_size:                 14.0871731008717 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=70.9865629420085; bpppix 0.02; nonstopmode; input feta-flags14.mf'"...

Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:half fa up head@:86@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u1fa@}
[86]
@{char@:Whole Crossed notehead@:51@:0@:6.44022@:2.21727@:2.21727@:6.44022@:0.93
69@:s0cross@} [51]
@{char@:Whole Funk lahead@:141@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0laF
unk@} [141]
@{char@:Whole up Funk mihead@:127@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:u0
miFunk@} [127]
@{char@:Half up rehead@:66@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:u1r
e@} [66]
@{char@:Half fa down head@:87@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d1fa@}
[87]
@{char@:Half fa down head@:87@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d1fa@}
[87]
@{char@:Half Funk lahead@:142@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s1laFu
nk@} [142])
@{char@:Quarter fa up head@:88@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u2fa@
} [88]
@{char@:Half Crossed notehead@:52@:0@:5.54068@:2.10483@:2.10483@:5.54068@:0.998
12@:s1cross@} [52]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags13.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Quarter fa up head@:88@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u2fa@
} [88]
@{char@:Quarter Funk lahead@:143@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s2l
aFunk@} [143]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:7.5397@:3.55588@:2.98439@:7.53972@:0
.57147@:u1triangle@} [45]
@{char@:Half down rehead@:67@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.15105@:
d1re@} [67]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Quarter fa down head@:89@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d2f
a@} [89]
@{char@:Quarter fa down head@:89@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d2f
a@} [89]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
@{char@:Crossed notehead@:53@:0@:4.64114@:1.99239@:1.99239@:4.64114@:1.42883@:s
2cross@} [53]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Whole up Funk tihead@:144@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
tiFunk@} [144]
@{char@:Quarter up rehead@:68@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:
u2re@} [68]
@{char@:Whole thin fa up head@:90@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u0
faThin@} [90]
@{char@:Whole thin fa up head@:90@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u0
faThin@} [90]
@{char@:X-Circled notehead@:54@:0@:5.51929@:2.36937@:2.36937@:5.51929@:0@:s2xci
rcle@} [54]
@{char@:Quarter down rehead@:69@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.1510
5@:d2re@} [69])
@{char@:Whole down Funk mihead@:128@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:
d0miFunk@} [128]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Whole thin fa down head@:91@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:
d0faThin@} [91]
@{char@:Whole down Funk tihead@:145@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0tiFunk@} [145]
@{char@:Whole thin fa down head@:91@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:
d0faThin@} [91]
@{char@:half thin fa up head@:92@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:u1f
aThin@} [92]
@{char@:Whole dohead@:55@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:s0do
@} [55])
@{char@:half thin fa up head@:92@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:u1f
aThin@} [92]
@{font@:GNU@:LilyPond@:feta@:12.6@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{char@:Quarter trianglehead (upstem)@:46@:0@:6.28311@:3.55588@:2.98439@:6.2831
3@:0.57147@:u2triangle@} [46]
@{char@:Half up Funk tihead@:146@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1t
iFunk@} [146]
@{char@:Half thin fa down head@:93@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:d
1faThin@} [93]
@{char@:Half dohead@:56@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773@:d1do@}
[56]
@{char@:Half up Funk mihead@:129@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:u1m
iFunk@} [129]
@{char@:Whole thin rehead@:70@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:
s0reThin@} [70]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Half thin fa down head@:93@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:d
1faThin@} [93]
@{char@:Half down Funk tihead@:147@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1tiFunk@} [147](./mf2pt1.mp
@{char@:Quarter thin fa up head@:94@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:
u2faThin@} [94] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Half dohead@:57@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:u1do@
} [57]
@{char@:Half up thin rehead@:71@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105
@:u1reThin@} [71]
@{char@:Quarter thin fa up head@:94@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:
u2faThin@} [94]
@{char@:Quarter up Funk tihead@:148@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2tiFunk@} [148]
@{char@:Quarter thin fa down head@:95@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0
@:d2faThin@} [95]
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:2.92352@:9.60767@:0.28377@:2.92352@:0@:u3@} [33]
@{char@:Quarter dohead@:58@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773@:d2d
o@} [58]
@{char@:Quarter thin fa down head@:95@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0
@:d2faThin@} [95]
@{char@:Half down thin rehead@:72@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.15
105@:d1reThin@} [72]
@{char@:Quarter trianglehead (downstem)@:47@:0@:6.28311@:3.55588@:2.98439@:5.29
329@:3.09244@:d2triangle@} [47]
@{char@:Quarter dohead@:59@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:u2
do@} [59]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Quarter thin rehead@:73@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105
@:u2reThin@} [73]
@{char@:Whole solhead@:96@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s0so
l@} [96]
@{char@:Half down Funk mihead@:130@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:d
1miFunk@} [130]
@{char@:Whole slashhead@:48@:0@:13.45424@:4.69568@:4.69568@:13.45424@:4.69568@:
s0slash@} [48]
@{char@:Whole solhead@:96@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s0so
l@} [96]
@{char@:16th Flag (up)@:34@:0@:2.92352@:11.18268@:0.28377@:2.92352@:0@:u4@}
[34]
@{char@:Quarter down Funk tihead@:149@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2tiFunk@} [149]
@{char@:Half slashhead@:49@:0@:10.46936@:4.69568@:4.69568@:10.46936@:4.69568@:s
1slash@} [49])
@{char@:Quarter thin rehead@:74@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.1510
5@:d2reThin@} [74]
@{char@:Quarter Funk mihead@:131@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s2m
iFunk@} [131]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags14.mf
@{char@:Half solhead@:97@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s1sol
@} [97]
@{char@:Quarter slashhead@:50@:0@:7.66273@:4.69568@:4.69568@:7.66273@:4.69568@:
s2slash@} [50]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Half solhead@:97@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s1sol
@} [97]
@{char@:Whole Walker dohead@:150@:0@:4.93567@:2.24998@:2.24998@:2.79303@:1.9250
8@:s0doWalker@} [150]
@{char@:Whole thin dohead@:60@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@
:s0doThin@} [60]
@{char@:Quarter solhead@:98@:0@:4.43016@:1.79329@:1.79329@:4.43016@:0.71863@:s2
sol@} [98]
@{char@:Whole up Funk fahead@:132@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
faFunk@} [132]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Whole mihead@:75@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s0mi@}
[75]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
@{char@:Quarter solhead@:98@:0@:5.54865@:2.21606@:2.21606@:5.54865@:0.98456@:s2
sol@} [98]
@{char@:32nd Flag (up)@:35@:0@:2.63976@:13.54518@:0.28377@:2.63976@:0@:u5@}
[35]
@{char@:Half up Walker dohead@:151@:0@:4.93567@:2.24998@:2.24998@:2.79303@:1.92
508@:u1doWalker@} [151]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Whole lahead@:99@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s0la@}
[99]
@{char@:Whole Crossed notehead@:51@:0@:7.78651@:2.70885@:2.70885@:7.78651@:1.33
298@:s0cross@} [51]
@{char@:Whole lahead@:99@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s0la@}
[99]
@{char@:Whole down Funk fahead@:133@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0faFunk@} [133]
@{char@:Half lahead@:100@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s1la@}
[100]
@{char@:Half down Walker dohead@:152@:0@:4.93567@:2.24998@:2.24998@:2.79303@:1.
92508@:d1doWalker@} [152]
@{char@:Half mihead@:76@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s1mi@} [76])
@{char@:Half lahead@:100@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s1la@}
[100]
@{char@:Quarter lahead@:101@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s2la@}
[101]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Half up Funk fahead@:134@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1f
aFunk@} [134]
@{char@:Half Crossed notehead@:52@:0@:6.82384@:2.58852@:2.58852@:6.82384@:1.403
09@:s1cross@} [52]
@{char@:Quarter lahead@:101@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s2la@}
[101]
@{char@:Quarter up Walker dohead@:153@:0@:4.93567@:2.24998@:2.24998@:2.79303@:1
.92508@:u2doWalker@} [153]
@{char@:64th Flag (up)@:36@:0@:2.63976@:16.69519@:0.28377@:2.63976@:0@:u6@}
[36]
@{char@:Whole thin lahead@:102@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s0laT
hin@} [102]
@{char@:Half thin dohead@:61@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773@:d
1doThin@} [61]
@{char@:Quarter mihead@:77@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s2mi@}
[77])
@{char@:Crossed notehead@:53@:0@:5.86116@:2.46817@:2.46817@:5.86116@:1.86737@:s
2cross@} [53]
@{char@:Whole thin lahead@:102@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s0laT
hin@} [102]
@{char@:Half down Funk fahead@:135@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1faFunk@} [135]
@{font@:GNU@:LilyPond@:feta@:14.14@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{char@:Half thin lahead@:103@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s1laTh
in@} [103]
@{char@:Quarter down Walker dohead@:154@:0@:4.93567@:2.24998@:2.24998@:2.79303@
:1.92508@:d2doWalker@} [154]
@{char@:Whole mirror mihead@:78@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s0mi
Mirror@} [78]
@{char@:Quarter lahead@:104@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0@:s2laThin
@} [104]
@{char@:Half thin lahead@:103@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s1laTh
in@} [103]
@{char@:X-Circled notehead@:54@:0@:6.97014@:2.93518@:2.93518@:6.97014@:0@:s2xci
rcle@} [54]
@{char@:128th Flag (up)@:37@:0@:2.63976@:19.8452@:0.28377@:2.63976@:0@:u7@}
[37]
@{char@:Quarter up Funk fahead@:136@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2faFunk@} [136]
@{char@:Quarter lahead@:104@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0@:s2laThin
@} [104]
@{char@:Whole Walker rehead@:155@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0r
eWalker@} [155]
@{char@:Half  mirror mihead@:79@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s1mi
Mirror@} [79]
@{char@:8th Flag (down)@:38@:0@:3.39511@:0.28377@:9.02016@:3.39511@:0@:d3@}
[38]
@{char@:Half thin dohead@:62@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.31773@:
u1doThin@} [62]
@{char@:Quarter down Funk fahead@:137@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2faFunk@} [137]
@{char@:Half up Walker rehead@:156@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u
1reWalker@} [156]
@{char@:Quarter thin dohead@:63@:0@:4.64114@:1.54262@:1.54262@:4.64114@:1.31773
@:d2doThin@} [63]
@{char@:Whole up tihead@:105@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904@:s0
ti@} [105]
@{char@:Whole up tihead@:105@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.37988@:s
0ti@} [105]
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:3.25458@:10.78217@:0.29236@:3.25458@:0@:u3@}
[33]
@{char@:Whole dohead@:55@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:s0do
@} [55]
@{char@:16th Flag (down) 3@:39@:0@:3.39511@:0.28377@:9.60767@:3.39511@:0@:d4@}
[39]
@{char@:Half up tihead@:106@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904@:u1t
i@} [106]
@{char@:Quarter thin dohead@:64@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-1.3177
3@:u2doThin@} [64]
@{char@:Half down Walker rehead@:157@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@
:d1reWalker@} [157]
@{char@:Half up tihead@:106@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.37988@:u1
ti@} [106]
@{char@:Whole Funk solhead@:138@:0@:5.43845@:2.54572@:2.54572@:5.43845@:0.40382
@:s0solFunk@} [138]
@{char@:16th Flag (up)@:34@:0@:3.25458@:12.54967@:0.29236@:3.25458@:0@:u4@}
[34]
@{char@:Half dohead@:56@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615@:d1do@}
[56]
@{char@:Quarter mirror mihead@:80@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s2
miMirror@} [80]
@{char@:32nd Flag (down)@:40@:0@:3.39511@:0.28377@:11.97017@:3.39511@:0@:d5@}
[40]
@{char@:Half down tihead@:107@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.37988@
:d1ti@} [107]
@{char@:Whole rehead@:65@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:s0re@
} [65]
@{char@:Quarter up Walker rehead@:158@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:u2reWalker@} [158]
@{char@:Half Funk solhead@:139@:0@:5.43845@:2.54572@:2.54572@:5.43845@:0.40382@
:s1solFunk@} [139]
@{char@:32nd Flag (up)@:35@:0@:2.96222@:15.20093@:0.29236@:2.96222@:0@:u5@}
[35]
@{char@:Half dohead@:57@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:u1do@
} [57]
@{char@:Quarter down Walker rehead@:159@:0@:4.93567@:2.24998@:2.24998@:4.93567@
:0@:d2reWalker@} [159]
@{char@:Half down tihead@:107@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.4904@:
d1ti@} [107]
@{char@:Quarter up tihead@:108@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.37988@
:u2ti@} [108]
@{char@:Quarter Funk solhead@:140@:0@:5.43845@:2.54572@:2.54572@:5.43845@:0.403
82@:s2solFunk@} [140]
@{char@:64th Flag (down)@:41@:0@:3.39511@:0.28377@:14.33269@:3.39511@:0@:d6@}
[41]
@{char@:Quarter dohead@:58@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615@:d2d
o@} [58]
@{char@:Half up rehead@:66@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:u1r
e@} [66]
@{char@:Whole Walker mihead@:160@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s0m
iWalker@} [160]
@{char@:64th Flag (up)@:36@:0@:2.96222@:18.73593@:0.29236@:2.96222@:0@:u6@}
[36]
@{char@:Quarter down tihead@:109@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.379
88@:d2ti@} [109]
@{char@:Whole Funk lahead@:141@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0laF
unk@} [141]
@{char@:Quarter dohead@:59@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:u2
do@} [59]
@{char@:Whole thin mihead@:81@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s0miTh
in@} [81]
@{char@:Whole thin up tihead@:110@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.379
88@:s0tiThin@} [110]
@{char@:128th Flag (up)@:37@:0@:2.96222@:22.27094@:0.29236@:2.96222@:0@:u7@}
[37]
@{char@:Half Funk lahead@:142@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s1laFu
nk@} [142]
@{char@:128th Flag (down)@:42@:0@:3.39511@:0.28377@:17.4827@:3.39511@:0@:d7@}
[42]
@{char@:Whole thin dohead@:60@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@
:s0doThin@} [60]
@{char@:Half thin mihead@:82@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s1miThi
n@} [82]
@{char@:Half Walker mihead@:161@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s1mi
Walker@} [161]
@{char@:Half down rehead@:67@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.61703@:
d1re@} [67]
@{char@:grace dash (up)@:43@:1.90062@:2.63976@:6.80403@:-3.15001@:2.63976@:0@:u
grace@} [43]
@{char@:Quarter Funk lahead@:143@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s2l
aFunk@} [143]
@{char@:8th Flag (down)@:38@:0@:3.81155@:0.29236@:10.09842@:3.81155@:0@:d3@}
[38]
@{char@:Half thin up tihead@:111@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.3798
8@:u1tiThin@} [111]
@{char@:Half thin dohead@:61@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615@:d
1doThin@} [61]
@{char@:grace dash (down)@:44@:2.44449@:3.39511@:-3.11853@:6.46384@:3.39511@:0@
:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:12.6@}
@{parameter@:stafflinethickness@:0.43655@}
@{parameter@:staff_space@:3.15001@}
@{parameter@:linethickness@:0.43655@}
@{parameter@:black_notehead_width@:4.12764@}
@{parameter@:ledgerlinethickness@:0.87311@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Quarter up rehead@:68@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:
u2re@} [68]
@{char@:Half thin down tihead@:112@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-0.3
7988@:d1tiThin@} [112]
@{char@:16th Flag (down) 3@:39@:0@:3.81155@:0.29236@:10.78217@:3.81155@:0@:d4@}
[39]
@{char@:Quarter Walker mihead@:162@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s
2miWalker@} [162]
@{char@:Quarter down rehead@:69@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.6170
3@:d2re@} [69]
@{char@:Half thin dohead@:62@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.74615@:
u1doThin@} [62]
@{char@:Whole up Funk tihead@:144@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
tiFunk@} [144]
Font metrics written on feta-flags13.tfm.
12 output files written: feta-flags13.33 .. feta-flags13.44
Transcript written on feta-flags13.log.

@{char@:Quarter thin up tihead@:113@:0@:4.12764@:1.35674@:1.35674@:4.12764@:0.3
7988@:u2tiThin@} [113]
@{char@:Whole Walker fahead@:163@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0f
aWalker@} [163]
@{char@:Quarter thin dohead@:63@:0@:5.86116@:1.98683@:1.98683@:5.86116@:1.74615
@:d2doThin@} [63]
@{char@:32nd Flag (down)@:40@:0@:3.81155@:0.29236@:13.43343@:3.81155@:0@:d5@}
[40]
@{char@:Whole thin rehead@:70@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703@:
s0reThin@} [70]
@{char@:Quarter thin down tihead@:114@:0@:4.12764@:1.35674@:1.35674@:4.12764@:-
0.37988@:d2tiThin@} [114]
@{char@:Quarter thin dohead@:64@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-1.7461
5@:u2doThin@} [64]
@{char@:Whole down Funk tihead@:145@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0tiFunk@} [145]
@{char@:Half up Walker fahead@:164@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u
1faWalker@} [164]
@{char@:64th Flag (down)@:41@:0@:3.81155@:0.29236@:16.08467@:3.81155@:0@:d6@}
[41]
@{char@:Whole up Funk dohead@:115@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
doFunk@} [115]
@{char@:Quarter up tihead@:108@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904@:
u2ti@} [108]
@{char@:Half up thin rehead@:71@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703
@:u1reThin@} [71]
@{char@:Whole down Funk dohead@:116@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0doFunk@} [116]
@{char@:Whole rehead@:65@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:s0re@
} [65]
@{char@:Half up Funk tihead@:146@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1t
iFunk@} [146]
@{char@:Quarter down tihead@:109@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.490
4@:d2ti@} [109]
@{char@:Quarter thin mihead@:83@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s2mi
Thin@} [83]
@{char@:128th Flag (down)@:42@:0@:3.81155@:0.29236@:19.61967@:3.81155@:0@:d7@}
[42]
@{char@:Half up Funk dohead@:117@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1d
oFunk@} [117]
@{char@:Half down Walker fahead@:165@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@
:d1faWalker@} [165]
@{char@:Half up rehead@:66@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:u1r
e@} [66]
@{char@:grace dash (up)@:43@:2.1328@:2.96222@:7.63562@:-3.535@:2.96222@:0@:ugra
ce@} [43]
@{char@:Whole fa up head@:84@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u0fa@}
[84]
@{char@:Half down Funk dohead@:118@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1doFunk@} [118]
@{char@:grace dash (down)@:44@:2.74432@:3.81155@:-3.49968@:7.25386@:3.81155@:0@
:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:14.14@}
@{parameter@:stafflinethickness@:0.44977@}
@{parameter@:staff_space@:3.535@}
@{parameter@:linethickness@:0.44977@}
@{parameter@:black_notehead_width@:4.64114@}
@{parameter@:ledgerlinethickness@:0.89954@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Half down rehead@:67@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.79472@:
d1re@} [67]
@{char@:Quarter up Walker fahead@:166@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:u2faWalker@} [166]
@{char@:Quarter up Funk dohead@:119@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2doFunk@} [119]
@{char@:Half down Funk tihead@:147@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1tiFunk@} [147]
@{char@:Whole thin up tihead@:110@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.490
4@:s0tiThin@} [110]
Font metrics written on feta-flags14.tfm.
12 output files written: feta-flags14.33 .. feta-flags14.44
Transcript written on feta-flags14.log.

@{char@:Quarter up rehead@:68@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:
u2re@} [68]
@{char@:Whole fa down head@:85@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d0fa@
} [85]
@{char@:Quarter down Funk dohead@:120@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2doFunk@} [120]
@{char@:Quarter down Walker fahead@:167@:0@:4.93567@:2.24998@:2.24998@:4.93567@
:0@:d2faWalker@} [167]
@{char@:Quarter up Funk tihead@:148@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2tiFunk@} [148]
@{char@:Quarter down rehead@:69@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.7947
2@:d2re@} [69]
@{char@:Half down thin rehead@:72@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.61
703@:d1reThin@} [72]
@{char@:Whole Walker lahead@:168@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0l
aWalker@} [168]
@{char@:Quarter down Funk tihead@:149@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2tiFunk@} [149]
@{char@:Whole thin rehead@:70@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472@:
s0reThin@} [70]
@{char@:half fa up head@:86@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u1fa@}
[86]
@{char@:Half thin up tihead@:111@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4904
@:u1tiThin@} [111]
@{char@:Quarter thin rehead@:73@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.61703
@:u2reThin@} [73]
@{char@:Whole up Funk rehead@:121@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
reFunk@} [121]
@{char@:Half Funk lahead@:169@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s1laWa
lker@} [169]
@{char@:Whole Walker dohead@:150@:0@:5.54108@:2.54572@:2.54572@:3.10942@:2.2071
5@:s0doWalker@} [150]
@{char@:Quarter thin rehead@:74@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.6170
3@:d2reThin@} [74]
@{char@:Half thin down tihead@:112@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-0.4
904@:d1tiThin@} [112]
@{char@:Quarter Funk lahead@:170@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s2l
aWalker@} [170]
@{char@:Half up thin rehead@:71@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472
@:u1reThin@} [71]
@{char@:Half up Walker dohead@:151@:0@:5.54108@:2.54572@:2.54572@:3.10942@:2.20
715@:u1doWalker@} [151]
@{char@:Whole down Funk rehead@:122@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0reFunk@} [122]
@{char@:Quarter thin up tihead@:113@:0@:5.21574@:1.75145@:1.75145@:5.21574@:0.4
904@:u2tiThin@} [113]
@{char@:Half down thin rehead@:72@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.79
472@:d1reThin@} [72]
@{char@:Whole mihead@:75@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s0mi@}
[75]
@{char@:Whole Walker tihead@:171@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0t
iWalker@} [171]
@{char@:Quarter thin down tihead@:114@:0@:5.21574@:1.75145@:1.75145@:5.21574@:-
0.4904@:d2tiThin@} [114]
@{char@:Half down Walker dohead@:152@:0@:5.54108@:2.54572@:2.54572@:3.10942@:2.
20715@:d1doWalker@} [152]
@{char@:Half fa down head@:87@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d1fa@}
[87]
@{char@:Quarter thin rehead@:73@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.79472
@:u2reThin@} [73]
@{char@:Half up Funk rehead@:123@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1r
eFunk@} [123]
@{char@:Half up Walker tihead@:172@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u
1tiWalker@} [172]
@{char@:Quarter thin rehead@:74@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.7947
2@:d2reThin@} [74]
@{char@:Quarter up Walker dohead@:153@:0@:5.54108@:2.54572@:2.54572@:3.10942@:2
.20715@:u2doWalker@} [153]
@{char@:Half mihead@:76@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s1mi@} [76]
@{char@:Quarter fa up head@:88@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u2fa@
} [88]
@{char@:Half down Funk rehead@:124@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1reFunk@} [124]
@{char@:Half down Walker tihead@:173@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@
:d1tiWalker@} [173]
@{char@:Whole mihead@:75@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s0mi@}
[75]
@{char@:Quarter down Walker dohead@:154@:0@:5.54108@:2.54572@:2.54572@:3.10942@
:2.20715@:d2doWalker@} [154]
@{char@:Whole up Funk dohead@:115@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0do
Funk@} [115]
@{char@:Quarter up Funk rehead@:125@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2reFunk@} [125]
@{char@:Quarter fa down head@:89@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d2f
a@} [89]
@{char@:Quarter mihead@:77@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s2mi@}
[77]
@{char@:Quarter up Walker tihead@:174@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:u2tiWalker@} [174]
@{char@:Whole down Funk dohead@:116@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
doFunk@} [116]
@{char@:Quarter down Funk rehead@:126@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2reFunk@} [126]
@{char@:Half mihead@:76@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s1mi@} [76]
@{char@:Whole thin fa up head@:90@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u0
faThin@} [90]
@{char@:Half up Funk dohead@:117@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1doF
unk@} [117]
@{char@:Quarter down Walker tihead@:175@:0@:4.93567@:2.24998@:2.24998@:4.93567@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{char@:Whole mirror mihead@:78@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s0mi
Mirror@} [78]
@{parameter@:staffsize@:20@}
@{parameter@:stafflinethickness@:0.50005@}
@{parameter@:staff_space@:5@}
@{parameter@:linethickness@:0.50005@}
@{parameter@:black_notehead_width@:6.58089@}
@{parameter@:ledgerlinethickness@:1.00009@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Quarter mihead@:77@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s2mi@}
[77]
@{char@:Half down Funk dohead@:118@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1d
oFunk@} [118]
@{char@:Whole up Funk mihead@:127@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:u0
miFunk@} [127]
@{char@:Whole thin fa down head@:91@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:
d0faThin@} [91]
@{char@:Quarter up Funk dohead@:119@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
doFunk@} [119]
@{char@:Whole Walker rehead@:155@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0r
eWalker@} [155]
Font metrics written on feta-noteheads20.tfm.
143 output files written: feta-noteheads20.33 .. feta-noteheads20.175
Transcript written on feta-noteheads20.log.

@{char@:Whole mirror mihead@:78@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s0mi
Mirror@} [78]
@{char@:Half  mirror mihead@:79@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s1mi
Mirror@} [79]
@{char@:half thin fa up head@:92@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u1f
aThin@} [92]
@{char@:Whole down Funk mihead@:128@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:
d0miFunk@} [128]
@{char@:Half up Walker rehead@:156@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u
1reWalker@} [156]
@{char@:Quarter mirror mihead@:80@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s2
miMirror@} [80]
@{char@:Half thin fa down head@:93@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d
1faThin@} [93]
@{char@:Half up Funk mihead@:129@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:u1m
iFunk@} [129]
@{char@:Half  mirror mihead@:79@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s1mi
Mirror@} [79]
@{char@:Half down Walker rehead@:157@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@
:d1reWalker@} [157]
@{char@:Quarter thin fa up head@:94@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:
u2faThin@} [94]
@{char@:Half down Funk mihead@:130@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:d
1miFunk@} [130]
@{char@:Whole thin mihead@:81@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s0miTh
in@} [81]
@{char@:Quarter thin fa down head@:95@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0
@:d2faThin@} [95]
@{char@:Quarter up Walker rehead@:158@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:u2reWalker@} [158]
@{char@:Quarter mirror mihead@:80@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s2
miMirror@} [80]
@{char@:Half thin mihead@:82@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s1miThi
n@} [82]
@{char@:Quarter down Walker rehead@:159@:0@:5.54108@:2.54572@:2.54572@:5.54108@
:0@:d2reWalker@} [159]
@{char@:Whole solhead@:96@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s0so
l@} [96]
@{char@:Whole thin mihead@:81@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s0miTh
in@} [81]
@{char@:Quarter thin mihead@:83@:0@:5.56935@:1.54262@:1.54262@:5.56935@:0@:s2mi
Thin@} [83]
@{char@:Half solhead@:97@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s1sol
@} [97]
@{char@:Whole Walker mihead@:160@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s0m
iWalker@} [160]
@{char@:Quarter Funk mihead@:131@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s2m
iFunk@} [131]
@{char@:Half thin mihead@:82@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s1miThi
n@} [82]
@{char@:Quarter down Funk dohead@:120@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2doFunk@} [120]
@{char@:Quarter solhead@:98@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s2
sol@} [98]
@{char@:Whole fa up head@:84@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u0fa@}
[84]
@{char@:Quarter thin mihead@:83@:0@:7.03337@:1.98683@:1.98683@:7.03337@:0@:s2mi
Thin@} [83]
@{char@:Whole up Funk fahead@:132@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
faFunk@} [132]
@{char@:Half Walker mihead@:161@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s1mi
Walker@} [161]
@{char@:Whole fa down head@:85@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d0fa@
} [85]
@{char@:Whole lahead@:99@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s0la@}
[99]
@{char@:Whole fa up head@:84@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u0fa@}
[84]
@{char@:half fa up head@:86@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u1fa@}
[86]
@{char@:Quarter Walker mihead@:162@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s
2miWalker@} [162]
@{char@:Half lahead@:100@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s1la@}
[100]
@{char@:Whole down Funk fahead@:133@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0faFunk@} [133]
@{char@:Whole fa down head@:85@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d0fa@
} [85]
@{char@:Half fa down head@:87@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d1fa@}
[87]
@{char@:Whole up Funk rehead@:121@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0re
Funk@} [121]
@{char@:Quarter lahead@:101@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s2la@}
[101]
@{char@:Whole Walker fahead@:163@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0f
aWalker@} [163]
@{char@:Half up Funk fahead@:134@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1f
aFunk@} [134]
@{char@:half fa up head@:86@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u1fa@}
[86]
@{char@:Quarter fa up head@:88@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u2fa@
} [88]
@{char@:Whole thin lahead@:102@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s0laT
hin@} [102]
@{char@:Half down Funk fahead@:135@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1faFunk@} [135]
@{char@:Half fa down head@:87@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d1fa@}
[87]
@{char@:Quarter fa down head@:89@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d2f
a@} [89]
@{char@:Half thin lahead@:103@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s1laTh
in@} [103]
@{char@:Quarter up Funk fahead@:136@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2faFunk@} [136]
@{char@:Quarter fa up head@:88@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u2fa@
} [88]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-noteheads20
    font_weight:               Medium
    font_identifier:           feta20
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -50
    font_underline_thickness:  25
    font_name:                 feta-noteheads20
    font_unique_id:            4109552
    font_size:                 19.9252801992528 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=50.1875; bpppix 0.02; nonstopmode; input feta-noteheads20.mf'"...

@{char@:Quarter lahead@:104@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s2laThin
@} [104]
@{char@:Whole thin fa up head@:90@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u0
faThin@} [90]
@{char@:Quarter down Funk fahead@:137@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2faFunk@} [137]
@{char@:Half up Walker fahead@:164@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u
1faWalker@} [164]
@{char@:Quarter fa down head@:89@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d2f
a@} [89]
@{char@:Whole thin fa down head@:91@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:
d0faThin@} [91]
@{char@:Whole thin fa up head@:90@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u0
faThin@} [90]
@{char@:Whole up tihead@:105@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.80574@:s
0ti@} [105]
@{char@:Half down Walker fahead@:165@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@
:d1faWalker@} [165]
@{char@:half thin fa up head@:92@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:u1f
aThin@} [92]
@{char@:Whole Funk solhead@:138@:0@:2.89839@:1.35674@:1.35674@:2.89839@:0.21523
@:s0solFunk@} [138]
@{char@:Whole thin fa down head@:91@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:
d0faThin@} [91]
@{char@:Half up tihead@:106@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.80574@:u1
ti@} [106]
@{char@:Half thin fa down head@:93@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:d
1faThin@} [93]
@{char@:Quarter up Walker fahead@:166@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:u2faWalker@} [166]
@{char@:Half Funk solhead@:139@:0@:2.89839@:1.35674@:1.35674@:2.89839@:0.21523@
:s1solFunk@} [139]
@{char@:Half down tihead@:107@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-0.80574@
:d1ti@} [107]
@{char@:Quarter thin fa up head@:94@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:
u2faThin@} [94]
@{char@:Whole down Funk rehead@:122@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
reFunk@} [122]
@{char@:Quarter thin fa down head@:95@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0
@:d2faThin@} [95]
@{char@:half thin fa up head@:92@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:u1f
aThin@} [92]
@{char@:Quarter up tihead@:108@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.80574@
:u2ti@} [108]
@{char@:Quarter Funk solhead@:140@:0@:2.89839@:1.35674@:1.35674@:2.89839@:0.215
23@:s2solFunk@} [140]
@{char@:Quarter down Walker fahead@:167@:0@:5.54108@:2.54572@:2.54572@:5.54108@
:0@:d2faWalker@} [167]
@{char@:Half up Funk rehead@:123@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1reF
unk@} [123]
@{char@:Whole solhead@:96@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s0so
l@} [96]
@{char@:Half thin fa down head@:93@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:d
1faThin@} [93]
@{char@:Whole Funk lahead@:141@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0laF
unk@} [141]
@{char@:Half down Funk rehead@:124@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1r
eFunk@} [124]
@{char@:Quarter thin fa up head@:94@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:
u2faThin@} [94]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Half Funk lahead@:142@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s1laFu
nk@} [142]
@{char@:Quarter down tihead@:109@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-0.805
74@:d2ti@} [109]
@{char@:Quarter up Funk rehead@:125@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
reFunk@} [125](./mf2pt1.mp
@{char@:Quarter thin fa down head@:95@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0
@:d2faThin@} [95] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Quarter Funk lahead@:143@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s2l
aFunk@} [143]
@{char@:Half solhead@:97@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s1sol
@} [97]
@{char@:Quarter down Funk rehead@:126@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2reFunk@} [126]
@{char@:Whole Walker lahead@:168@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0l
aWalker@} [168]
@{char@:Quarter solhead@:98@:0@:4.95854@:1.99239@:1.99239@:4.95854@:0.84569@:s2
sol@} [98]
@{char@:Whole up Funk tihead@:144@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u0
tiFunk@} [144]
@{char@:Whole solhead@:96@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s0so
l@} [96]
@{char@:Half Funk lahead@:169@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s1laWa
lker@} [169]
@{char@:Whole lahead@:99@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s0la@}
[99]
@{char@:Whole thin up tihead@:110@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.805
74@:s0tiThin@} [110]
@{char@:Whole down Funk tihead@:145@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
d0tiFunk@} [145]
@{char@:Quarter Funk lahead@:170@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s2l
aWalker@} [170]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Half lahead@:100@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s1la@}
[100]
@{char@:Half thin up tihead@:111@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.8057
4@:u1tiThin@} [111]
@{char@:Half up Funk tihead@:146@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u1t
iFunk@} [146]
@{char@:Half solhead@:97@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s1sol
@} [97]
@{char@:Quarter lahead@:101@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s2la@}
[101]
@{char@:Whole Walker tihead@:171@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0t
iWalker@} [171]
@{char@:Half thin down tihead@:112@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-0.8
0574@:d1tiThin@} [112]
@{char@:Half down Funk tihead@:147@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:d
1tiFunk@} [147]
@{char@:Whole thin lahead@:102@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s0laT
hin@} [102])
@{char@:Quarter solhead@:98@:0@:6.21104@:2.46817@:2.46817@:6.21104@:1.13803@:s2
sol@} [98]
@{char@:Half up Walker tihead@:172@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u
1tiWalker@} [172]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads20.mf
@{char@:Quarter thin up tihead@:113@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.8
0574@:u2tiThin@} [113]
@{char@:Quarter up Funk tihead@:148@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:
u2tiFunk@} [148]
@{char@:Half thin lahead@:103@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s1laTh
in@} [103]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Whole lahead@:99@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s0la@}
[99]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf
@{char@:Quarter lahead@:104@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0@:s2laThin
@} [104] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Quarter down Funk tihead@:149@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:d2tiFunk@} [149]
@{char@:Half down Walker tihead@:173@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@
:d1tiWalker@} [173]
@{char@:Half lahead@:100@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s1la@}
[100]
@{char@:Quarter thin down tihead@:114@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-
0.80574@:d2tiThin@} [114])
@{char@:Quarter lahead@:101@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s2la@}
[101]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Whole up Funk mihead@:127@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:u0
miFunk@} [127]
@{char@:Whole Walker dohead@:150@:0@:3.09573@:1.35674@:1.35674@:1.83174@:1.0730
4@:s0doWalker@} [150]
@{char@:Quarter up Walker tihead@:174@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:u2tiWalker@} [174]
@{char@:Whole up Funk dohead@:115@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
doFunk@} [115]
@{char@:Whole thin lahead@:102@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s0laT
hin@} [102])
@{char@:Quarter down Walker tihead@:175@:0@:5.54108@:2.54572@:2.54572@:5.54108@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{char@:Half up Walker dohead@:151@:0@:3.09573@:1.35674@:1.35674@:1.83174@:1.07
304@:u1doWalker@} [151]
@{char@:Whole down Funk dohead@:116@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0doFunk@} [116]
@{font@:GNU@:LilyPond@:feta@:20@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{parameter@:staffsize@:22.45@}
@{parameter@:stafflinethickness@:0.52107@}
@{parameter@:staff_space@:5.6125@}
@{parameter@:linethickness@:0.52107@}
@{parameter@:black_notehead_width@:7.3881@}
@{parameter@:ledgerlinethickness@:1.04214@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Half thin lahead@:103@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s1laTh
in@} [103]
@{char@:Half down Walker dohead@:152@:0@:3.09573@:1.35674@:1.35674@:1.83174@:1.
07304@:d1doWalker@} [152]
@{char@:Quarter lahead@:104@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0@:s2laThin
@} [104]
@{char@:Half up Funk dohead@:117@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1d
oFunk@} [117]
@{char@:Quarter up Walker dohead@:153@:0@:3.09573@:1.35674@:1.35674@:1.83174@:1
.07304@:u2doWalker@} [153]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:1.00009@:10.90022@:3.6@:17.59991@:10.90022@:0@:uM2@
} [33]
Font metrics written on feta-noteheads23.tfm.
143 output files written: feta-noteheads23.33 .. feta-noteheads23.175
Transcript written on feta-noteheads23.log.

@{char@:Half down Funk dohead@:118@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1doFunk@} [118]
@{char@:Quarter down Walker dohead@:154@:0@:3.09573@:1.35674@:1.35674@:1.83174@
:1.07304@:d2doWalker@} [154]
@{char@:Quarter up Funk dohead@:119@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2doFunk@} [119]
@{char@:Whole up tihead@:105@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563@:s0
ti@} [105]
@{char@:Whole up tihead@:105@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.43193@:s
0ti@} [105]
@{char@:Longa notehead@:34@:1.00009@:10.90022@:17.59991@:3.6@:10.90022@:0@:dM2@
} [34]
@{char@:Whole Walker rehead@:155@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0r
eWalker@} [155]
@{char@:Quarter down Funk dohead@:120@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2doFunk@} [120]
@{char@:Whole down Funk mihead@:128@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:
d0miFunk@} [128]
@{char@:Half up tihead@:106@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563@:u1t
i@} [106]
@{char@:Half up Walker rehead@:156@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u
1reWalker@} [156]
@{char@:Half down tihead@:107@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.5563@:
d1ti@} [107]
@{char@:Half up Funk mihead@:129@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:u1m
iFunk@} [129]
@{char@:Half down Walker rehead@:157@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@
:d1reWalker@} [157]
@{char@:Quarter up tihead@:108@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563@:
u2ti@} [108]
@{char@:Half up tihead@:106@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.43193@:u1
ti@} [106]
@{char@:Whole up Funk rehead@:121@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
reFunk@} [121]
@{char@:Brevis notehead@:35@:1.00009@:10.90022@:3.6@:3.6@:10.90022@:0@:sM1@}
[35]
@{char@:Quarter up Walker rehead@:158@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:u2reWalker@} [158]
@{char@:Half down Funk mihead@:130@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:d
1miFunk@} [130]
@{char@:Quarter down Walker rehead@:159@:0@:3.09573@:1.35674@:1.35674@:3.09573@
:0@:d2reWalker@} [159]
@{char@:Whole down Funk rehead@:122@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0reFunk@} [122]
@{char@:Quarter down tihead@:109@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.556
3@:d2ti@} [109]
@{char@:Quarter Funk mihead@:131@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s2m
iFunk@} [131]
@{char@:Half up Funk rehead@:123@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1r
eFunk@} [123]
@{char@:Double-lined brevis notehead@:36@:2.23228@:12.13242@:3.6@:3.6@:12.13242
@:0@:sM1double@} [36]
@{char@:Whole thin up tihead@:110@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.556
3@:s0tiThin@} [110]
@{char@:Half down tihead@:107@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.43193@
:d1ti@} [107]
@{char@:Whole notehead@:37@:0@:9.90004@:2.75003@:2.75003@:9.90004@:0@:s0@}
[37]
@{char@:Half down Funk rehead@:124@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1reFunk@} [124]
@{char@:Whole up Funk fahead@:132@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0fa
Funk@} [132]
@{char@:Whole Walker mihead@:160@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s0m
iWalker@} [160]
@{char@:Quarter up tihead@:108@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.43193@
:u2ti@} [108]
@{char@:Half thin up tihead@:111@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5563
@:u1tiThin@} [111]
@{char@:Quarter up Funk rehead@:125@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2reFunk@} [125]
@{char@:Half notehead@:38@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s1@}
[38]
@{char@:Half thin down tihead@:112@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-0.5
563@:d1tiThin@} [112]
@{char@:Half Walker mihead@:161@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s1mi
Walker@} [161]
@{char@:Quarter notehead@:39@:0@:6.58089@:2.75003@:2.75003@:6.58089@:0.93907@:s
2@} [39]
@{char@:Quarter down Funk rehead@:126@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2reFunk@} [126]
@{char@:Whole down Funk fahead@:133@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
faFunk@} [133]
@{char@:Whole up Funk mihead@:127@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:u0
miFunk@} [127]
@{char@:Quarter thin up tihead@:113@:0@:5.86116@:1.98683@:1.98683@:5.86116@:0.5
563@:u2tiThin@} [113]
@{char@:Whole diamondhead@:40@:0@:9.90013@:2.75003@:2.75003@:9.90013@:0@:s0diam
ond@} [40]
@{char@:Quarter down tihead@:109@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.431
93@:d2ti@} [109]
@{char@:Quarter Walker mihead@:162@:0@:3.71484@:1.35674@:1.35674@:3.71484@:0@:s
2miWalker@} [162]
@{char@:Whole down Funk mihead@:128@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:
d0miFunk@} [128]
@{char@:Half up Funk fahead@:134@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1faF
unk@} [134]
@{char@:Whole Walker fahead@:163@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0f
aWalker@} [163]
@{char@:Half diamondhead@:41@:0@:7.28357@:2.75003@:2.75003@:7.28357@:1.94417@:s
1diamond@} [41]
@{char@:Quarter thin down tihead@:114@:0@:5.86116@:1.98683@:1.98683@:5.86116@:-
0.5563@:d2tiThin@} [114]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-noteheads23
    font_weight:               Medium
    font_identifier:           feta22.45
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -45
    font_underline_thickness:  22
    font_name:                 feta-noteheads23
    font_unique_id:            4309866
    font_size:                 22.3661270236613 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=44.7104677060134; bpppix 0.02; nonstopmode; input feta-noteheads23.mf'"...

@{char@:Quarter diamondhead@:42@:0@:7.37505@:2.75003@:2.75003@:7.37505@:1.98125
@:s2diamond@} [42]
@{char@:Half down Funk fahead@:135@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1f
aFunk@} [135]
@{char@:Half up Funk mihead@:129@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:u1m
iFunk@} [129]
@{char@:Half up Walker fahead@:164@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u
1faWalker@} [164]
@{char@:Whole up Funk dohead@:115@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
doFunk@} [115]
@{char@:Quarter up Funk fahead@:136@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
faFunk@} [136]
@{char@:Whole down Funk dohead@:116@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0doFunk@} [116]
@{char@:Half down Walker fahead@:165@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@
:d1faWalker@} [165]
@{char@:Half up Funk dohead@:117@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1d
oFunk@} [117]
@{char@:Quarter down Funk fahead@:137@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2faFunk@} [137]
@{char@:Quarter up Walker fahead@:166@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:u2faWalker@} [166]
@{char@:Half down Funk dohead@:118@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1doFunk@} [118]
@{char@:Whole thin up tihead@:110@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.431
93@:s0tiThin@} [110]
@{char@:Whole trianglehead@:43@:0@:11.57098@:4.37633@:3.65997@:11.571@:0.71634@
:s0triangle@} [43]
@{char@:Half down Funk mihead@:130@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:d
1miFunk@} [130]
@{char@:Quarter up Funk dohead@:119@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2doFunk@} [119]
@{char@:Half thin up tihead@:111@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.4319
3@:u1tiThin@} [111]
@{char@:Quarter down Funk dohead@:120@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2doFunk@} [120]
@{char@:Whole Funk solhead@:138@:0@:3.74165@:1.75145@:1.75145@:3.74165@:0.27783
@:s0solFunk@} [138]
@{char@:Half thin down tihead@:112@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-0.4
3193@:d1tiThin@} [112]
@{char@:Quarter Funk mihead@:131@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s2m
iFunk@} [131]
@{char@:Quarter down Walker fahead@:167@:0@:3.09573@:1.35674@:1.35674@:3.09573@
:0@:d2faWalker@} [167]
@{char@:Quarter thin up tihead@:113@:0@:4.64114@:1.54262@:1.54262@:4.64114@:0.4
3193@:u2tiThin@} [113]
@{char@:Whole up Funk rehead@:121@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
reFunk@} [121]
@{char@:Whole up Funk fahead@:132@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
faFunk@} [132]
@{char@:Half Funk solhead@:139@:0@:3.74165@:1.75145@:1.75145@:3.74165@:0.27783@
:s1solFunk@} [139]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Quarter thin down tihead@:114@:0@:4.64114@:1.54262@:1.54262@:4.64114@:-
0.43193@:d2tiThin@} [114]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:8.36156@:3.94562@:3.30887@:7.03813
@:3.44557@:d1triangle@} [44](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Whole down Funk rehead@:122@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0reFunk@} [122]
@{char@:Quarter Funk solhead@:140@:0@:3.74165@:1.75145@:1.75145@:3.74165@:0.277
83@:s2solFunk@} [140]
@{char@:Whole up Funk dohead@:115@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
doFunk@} [115]
@{char@:Whole Walker lahead@:168@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0l
aWalker@} [168]
@{char@:Half up Funk rehead@:123@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1r
eFunk@} [123]
@{char@:Whole down Funk fahead@:133@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0faFunk@} [133]
@{char@:Whole down Funk dohead@:116@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0doFunk@} [116]
@{char@:Half Funk lahead@:169@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s1laWa
lker@} [169]
@{char@:Whole Funk lahead@:141@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0laFun
k@} [141]
@{char@:Quarter Funk lahead@:170@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s2l
aWalker@} [170]
@{char@:Half up Funk dohead@:117@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1d
oFunk@} [117]
@{char@:Half up Funk fahead@:134@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1f
aFunk@} [134]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:8.36156@:3.94562@:3.30887@:8.36157@:
0.63673@:u1triangle@} [45]
@{char@:Half Funk lahead@:142@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s1laFunk
@} [142]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-flags13.pt1 feta-flags13.pfb"...

@{char@:Half down Funk fahead@:135@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1faFunk@} [135]
@{char@:Half down Funk dohead@:118@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1doFunk@} [118]
@{char@:Quarter Funk lahead@:143@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s2laF
unk@} [143]
@{char@:Whole Walker tihead@:171@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:s0t
iWalker@} [171])
@{char@:Quarter up Funk dohead@:119@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2doFunk@} [119]
@{char@:Quarter up Funk fahead@:136@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2faFunk@} [136]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads23.mf
@{char@:Half up Walker tihead@:172@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@:u
1tiWalker@} [172]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Quarter down Funk dohead@:120@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2doFunk@} [120]
@{char@:Whole up Funk tihead@:144@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u0ti
Funk@} [144]
@{char@:Quarter down Funk fahead@:137@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2faFunk@} [137]
@{char@:Half down Walker tihead@:173@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0@
:d1tiWalker@} [173]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Quarter trianglehead (upstem)@:46@:0@:6.96799@:3.94562@:3.30887@:6.968@
:0.63673@:u2triangle@} [46]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf
@{char@:Whole down Funk tihead@:145@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d0
tiFunk@} [145] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Quarter up Walker tihead@:174@:0@:3.09573@:1.35674@:1.35674@:3.09573@:0
@:u2tiWalker@} [174]
@{char@:Whole up Funk rehead@:121@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
reFunk@} [121]
Invoking "fontforge -script feta-flags13.pe feta-flags13.pfb"...

@{char@:Half down Funk rehead@:124@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1reFunk@} [124]
@{char@:Whole Funk solhead@:138@:0@:6.14761@:2.87767@:2.87767@:6.14761@:0.45648
@:s0solFunk@} [138]
@{char@:Whole down Funk rehead@:122@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0reFunk@} [122]
@{char@:Quarter down Walker tihead@:175@:0@:3.09573@:1.35674@:1.35674@:3.09573@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
))
@{char@:Half up Funk tihead@:146@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1tiF
unk@} [146]
@{parameter@:staffsize@:12.6@}
@{parameter@:stafflinethickness@:0.43655@}
@{parameter@:staff_space@:3.15001@}
@{parameter@:linethickness@:0.43655@}
@{parameter@:black_notehead_width@:4.12764@}
@{parameter@:ledgerlinethickness@:0.87311@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Quarter up Funk rehead@:125@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2reFunk@} [125]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Half up Funk rehead@:123@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1r
eFunk@} [123]
@{char@:Half down Funk tihead@:147@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d1t
iFunk@} [147]
@{char@:Quarter down Funk rehead@:126@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2reFunk@} [126]
@{char@:Half Funk solhead@:139@:0@:6.14761@:2.87767@:2.87767@:6.14761@:0.45648@
:s1solFunk@} [139]
@{char@:Half down Funk rehead@:124@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1reFunk@} [124]
Font metrics written on feta-noteheads13.tfm.
143 output files written: feta-noteheads13.33 .. feta-noteheads13.175
Transcript written on feta-noteheads13.log.
)
@{char@:Quarter trianglehead (downstem)@:47@:0@:6.96799@:3.94562@:3.30887@:5.86
513@:3.44557@:d2triangle@} [47]
@{char@:Quarter up Funk tihead@:148@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u2
tiFunk@} [148]
@{char@:Whole up Funk mihead@:127@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:u0
miFunk@} [127]
@{font@:GNU@:LilyPond@:feta@:22.45@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:Quarter up Funk rehead@:125@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2reFunk@} [125]
@{char@:Quarter Funk solhead@:140@:0@:6.14761@:2.87767@:2.87767@:6.14761@:0.456
48@:s2solFunk@} [140]
@{char@:Whole slashhead@:48@:0@:15.07648@:5.25003@:5.25003@:15.07648@:5.25003@:
s0slash@} [48]
@{char@:Quarter down Funk tihead@:149@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
d2tiFunk@} [149]
@{char@:Quarter down Funk rehead@:126@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2reFunk@} [126]
@{char@:Whole Funk lahead@:141@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0laF
unk@} [141]
@{char@:Half slashhead@:49@:0@:11.72646@:5.25003@:5.25003@:11.72646@:5.25003@:s
1slash@} [49]
@{char@:Whole up Funk mihead@:127@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:u0miFu
nk@} [127]
@{char@:Quarter slashhead@:50@:0@:8.5765@:5.25003@:5.25003@:8.5765@:5.25003@:s2
slash@} [50]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:1.04214@:12.0826@:3.92874@:19.7241@:12.0826@:0@:uM2
@} [33]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-flags14.pt1 feta-flags14.pfb"...

@{char@:Half Funk lahead@:142@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s1laFu
nk@} [142]
@{char@:Whole Walker dohead@:150@:0@:3.9118@:1.75145@:1.75145@:2.25804@:1.44954
@:s0doWalker@} [150]
@{char@:Whole down Funk mihead@:128@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:
d0miFunk@} [128]
@{char@:Quarter Funk lahead@:143@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s2l
aFunk@} [143]
@{char@:Whole down Funk mihead@:128@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:d0mi
Funk@} [128]
@{char@:Half up Walker dohead@:151@:0@:3.9118@:1.75145@:1.75145@:2.25804@:1.449
54@:u1doWalker@} [151]
@{char@:Half up Funk mihead@:129@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:u1m
iFunk@} [129]
@{char@:Longa notehead@:34@:1.04214@:12.0826@:19.7241@:3.92874@:12.0826@:0@:dM2
@} [34]
@{char@:Whole Crossed notehead@:51@:0@:8.58107@:3.00005@:3.00005@:8.58107@:1.56
798@:s0cross@} [51]
@{char@:Half up Funk mihead@:129@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:u1miFun
k@} [129]
@{char@:Half down Walker dohead@:152@:0@:3.9118@:1.75145@:1.75145@:2.25804@:1.4
4954@:d1doWalker@} [152]
@{char@:Half down Funk mihead@:130@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:d
1miFunk@} [130]
@{char@:Quarter up Walker dohead@:153@:0@:3.9118@:1.75145@:1.75145@:2.25804@:1.
44954@:u2doWalker@} [153]
@{char@:Half Crossed notehead@:52@:0@:7.58098@:2.87505@:2.87505@:7.58098@:1.642
9@:s1cross@} [52]
@{char@:Quarter Funk mihead@:131@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s2m
iFunk@} [131]
@{char@:Half down Funk mihead@:130@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:d1miF
unk@} [130]
Invoking "fontforge -script feta-flags14.pe feta-flags14.pfb"...

@{char@:Quarter down Walker dohead@:154@:0@:3.9118@:1.75145@:1.75145@:2.25804@:
1.44954@:d2doWalker@} [154]
@{char@:Brevis notehead@:35@:1.04214@:12.0826@:3.92874@:3.92874@:12.0826@:0@:sM
1@} [35]
@{char@:Crossed notehead@:53@:0@:6.58089@:2.75003@:2.75003@:6.58089@:2.12679@:s
2cross@} [53]
@{char@:Quarter Funk mihead@:131@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s2miFun
k@} [131]
@{char@:Whole up Funk fahead@:132@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
faFunk@} [132]
@{char@:Whole Walker rehead@:155@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0reW
alker@} [155]
@{char@:Whole up Funk fahead@:132@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
faFunk@} [132]
@{char@:Whole down Funk fahead@:133@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0faFunk@} [133]
@{char@:Half up Walker rehead@:156@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1r
eWalker@} [156]
@{char@:X-Circled notehead@:54@:0@:7.82605@:3.27036@:3.27036@:7.82605@:0@:s2xci
rcle@} [54]
@{char@:Whole up Funk tihead@:144@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
tiFunk@} [144]
@{char@:Whole down Funk fahead@:133@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0faFunk@} [133]
@{char@:Double-lined brevis notehead@:36@:2.30983@:13.35028@:3.92874@:3.92874@:
13.35028@:0@:sM1double@} [36]
@{char@:Whole dohead@:55@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:s0do
@} [55]
@{char@:Whole down Funk tihead@:145@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0tiFunk@} [145]
@{char@:Whole notehead@:37@:0@:11.18692@:3.06679@:3.06679@:11.18692@:0@:s0@}
[37]
@{char@:Half up Funk tihead@:146@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1t
iFunk@} [146]
@{char@:Half up Funk fahead@:134@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1f
aFunk@} [134]
@{char@:Half dohead@:56@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995@:d1do@}
[56]
@{char@:Half notehead@:38@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s1@}
[38]
@{char@:Half down Funk tihead@:147@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1tiFunk@} [147]
@{char@:Quarter notehead@:39@:0@:7.3881@:3.06679@:3.06679@:7.3881@:1.08601@:s2@
} [39]
@{char@:Half down Funk fahead@:135@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1faFunk@} [135]
@{char@:Half dohead@:57@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:u1do@
} [57]
@{char@:Half down Walker rehead@:157@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d
1reWalker@} [157]
@{char@:Quarter up Funk tihead@:148@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2tiFunk@} [148]
@{char@:Quarter up Funk fahead@:136@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2faFunk@} [136]
@{char@:Whole diamondhead@:40@:0@:11.04045@:3.06679@:3.06679@:11.04045@:0@:s0di
amond@} [40]
@{char@:Quarter dohead@:58@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995@:d2d
o@} [58]
@{char@:Half up Funk fahead@:134@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1f
aFunk@} [134]
@{char@:Quarter up Walker rehead@:158@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
u2reWalker@} [158]
@{char@:Quarter down Funk fahead@:137@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2faFunk@} [137]
@{char@:Quarter down Walker rehead@:159@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0
@:d2reWalker@} [159]
@{char@:Quarter dohead@:59@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:u2
do@} [59]
@{char@:Half diamondhead@:41@:0@:8.12254@:3.06679@:3.06679@:8.12254@:2.16812@:s
1diamond@} [41]
@{char@:Whole Funk solhead@:138@:0@:3.29552@:1.54262@:1.54262@:3.29552@:0.2447@
:s0solFunk@} [138]
@{char@:Quarter diamondhead@:42@:0@:8.22453@:3.06679@:3.06679@:8.22453@:2.20944
@:s2diamond@} [42]
@{char@:Whole thin dohead@:60@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@
:s0doThin@} [60]
@{char@:Whole Walker mihead@:160@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s0m
iWalker@} [160]
@{char@:Half Funk solhead@:139@:0@:3.29552@:1.54262@:1.54262@:3.29552@:0.2447@:
s1solFunk@} [139]
@{char@:Half thin dohead@:61@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995@:d
1doThin@} [61]
@{char@:Half down Funk fahead@:135@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1faFunk@} [135]
@{char@:Quarter Funk solhead@:140@:0@:3.29552@:1.54262@:1.54262@:3.29552@:0.244
7@:s2solFunk@} [140]
@{char@:Quarter down Funk tihead@:149@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2tiFunk@} [149]
@{char@:Half thin dohead@:62@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.99995@:
u1doThin@} [62]
@{char@:Half Walker mihead@:161@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s1mi
Walker@} [161]
@{char@:Quarter thin dohead@:63@:0@:6.58089@:2.24998@:2.24998@:6.58089@:1.99995
@:d2doThin@} [63]
@{char@:Quarter up Funk fahead@:136@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2faFunk@} [136]
@{char@:Whole Walker dohead@:150@:0@:6.21944@:2.87767@:2.87767@:3.46396@:2.5237
9@:s0doWalker@} [150]
@{char@:Quarter Walker mihead@:162@:0@:4.69414@:1.75145@:1.75145@:4.69414@:0@:s
2miWalker@} [162]
@{char@:Quarter thin dohead@:64@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-1.9999
5@:u2doThin@} [64]
@{char@:Whole trianglehead@:43@:0@:12.85443@:4.86397@:4.0651@:12.85445@:0.79886
@:s0triangle@} [43]
@{char@:Whole Funk lahead@:141@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0laF
unk@} [141]
@{char@:Half up Walker dohead@:151@:0@:6.21944@:2.87767@:2.87767@:3.46396@:2.52
379@:u1doWalker@} [151]
@{char@:Quarter down Funk fahead@:137@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2faFunk@} [137]
@{char@:Whole Walker fahead@:163@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0faW
alker@} [163]
@{char@:Whole rehead@:65@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:s0re@
} [65]
@{char@:Half down Walker dohead@:152@:0@:6.21944@:2.87767@:2.87767@:3.46396@:2.
52379@:d1doWalker@} [152]
@{char@:Half up Walker fahead@:164@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1f
aWalker@} [164]
@{char@:Whole Funk solhead@:138@:0@:4.2445@:1.98683@:1.98683@:4.2445@:0.31517@:
s0solFunk@} [138]
@{char@:Half Funk lahead@:142@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s1laFu
nk@} [142]
@{char@:Quarter up Walker dohead@:153@:0@:6.21944@:2.87767@:2.87767@:3.46396@:2
.52379@:u2doWalker@} [153]
@{char@:Half up rehead@:66@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:u1r
e@} [66]
@{char@:Quarter Funk lahead@:143@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s2l
aFunk@} [143]
@{char@:Quarter down Walker dohead@:154@:0@:6.21944@:2.87767@:2.87767@:3.46396@
:2.52379@:d2doWalker@} [154]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:9.28519@:4.38365@:3.67355@:7.80933
@:3.84247@:d1triangle@} [44]
@{char@:Half down rehead@:67@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.89998@:
d1re@} [67]
@{char@:Whole up Funk tihead@:144@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u0
tiFunk@} [144]
@{char@:Half Funk solhead@:139@:0@:4.2445@:1.98683@:1.98683@:4.2445@:0.31517@:s
1solFunk@} [139]
@{char@:Quarter up rehead@:68@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:
u2re@} [68]
@{char@:Whole Walker rehead@:155@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0r
eWalker@} [155]
@{char@:Whole down Funk tihead@:145@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
d0tiFunk@} [145]
@{char@:Quarter Funk solhead@:140@:0@:4.2445@:1.98683@:1.98683@:4.2445@:0.31517
@:s2solFunk@} [140]
@{char@:Quarter down rehead@:69@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.8999
8@:d2re@} [69]
@{char@:Half up Walker rehead@:156@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u
1reWalker@} [156]
@{char@:Whole Funk lahead@:141@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0laF
unk@} [141]
@{char@:Half down Walker fahead@:165@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d
1faWalker@} [165]
@{char@:Whole thin rehead@:70@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998@:
s0reThin@} [70]
@{char@:Half up Funk tihead@:146@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u1t
iFunk@} [146]
@{char@:Half down Walker rehead@:157@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@
:d1reWalker@} [157]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:9.28519@:4.38365@:3.67355@:9.2852@:0
.71008@:u1triangle@} [45]
@{char@:Quarter up Walker fahead@:166@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
u2faWalker@} [166]
@{char@:Half down Funk tihead@:147@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:d
1tiFunk@} [147]
@{char@:Quarter up Walker rehead@:158@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:u2reWalker@} [158]
@{char@:Half Funk lahead@:142@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s1laFu
nk@} [142]
@{char@:Half up thin rehead@:71@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998
@:u1reThin@} [71]
@{char@:Quarter down Walker fahead@:167@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0
@:d2faWalker@} [167]
@{char@:Quarter Funk lahead@:143@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s2l
aFunk@} [143]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Quarter down Walker rehead@:159@:0@:6.21944@:2.87767@:2.87767@:6.21944@
:0@:d2reWalker@} [159]
@{char@:Whole Walker lahead@:168@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0laW
alker@} [168]
@{char@:Half Funk lahead@:169@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s1laWalk
er@} [169]
@{char@:Whole up Funk tihead@:144@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u0
tiFunk@} [144]
@{char@:Half down thin rehead@:72@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.89
998@:d1reThin@} [72]
@{char@:Whole Walker mihead@:160@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s0m
iWalker@} [160]
@{char@:Quarter Funk lahead@:170@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s2laW
alker@} [170]
@{char@:Quarter thin rehead@:73@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.89998
@:u2reThin@} [73]
@{char@:Quarter trianglehead (upstem)@:46@:0@:7.73769@:4.38365@:3.67355@:7.7377
@:0.71008@:u2triangle@} [46]
@{char@:Whole down Funk tihead@:145@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
d0tiFunk@} [145]
@{char@:Whole Walker tihead@:171@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:s0tiW
alker@} [171]
@{char@:Quarter up Funk tihead@:148@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:
u2tiFunk@} [148]
@{char@:Quarter thin rehead@:74@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.8999
8@:d2reThin@} [74]
@{char@:Half Walker mihead@:161@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s1mi
Walker@} [161]
@{char@:Half up Walker tihead@:172@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:u1t
iWalker@} [172]
@{char@:Quarter down Funk tihead@:149@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:d2tiFunk@} [149]
@{char@:Quarter Walker mihead@:162@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s
2miWalker@} [162]
@{char@:Half down Walker tihead@:173@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:d
1tiWalker@} [173]Failed to change locale.

@{char@:Whole mihead@:75@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s0mi@}
[75]
@{char@:Half up Funk tihead@:146@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u1t
iFunk@} [146]
@{char@:Whole Walker dohead@:150@:0@:3.48087@:1.54262@:1.54262@:2.03291@:1.2503
5@:s0doWalker@} [150]
@{char@:Half mihead@:76@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s1mi@} [76]
@{char@:Whole Walker fahead@:163@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0f
aWalker@} [163]
@{char@:Quarter up Walker tihead@:174@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0@:
u2tiWalker@} [174]
@{char@:Half down Funk tihead@:147@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:d
1tiFunk@} [147]
@{char@:Half up Walker dohead@:151@:0@:3.48087@:1.54262@:1.54262@:2.03291@:1.25
035@:u1doWalker@} [151]
@{char@:Quarter down Walker tihead@:175@:0@:3.9118@:1.75145@:1.75145@:3.9118@:0
@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{char@:Quarter mihead@:77@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s2mi@}
[77]
@{char@:Quarter trianglehead (downstem)@:47@:0@:7.73769@:4.38365@:3.67355@:6.50
78@:3.84247@:d2triangle@} [47]
@{parameter@:staffsize@:15.87@}
@{parameter@:stafflinethickness@:0.46461@}
@{parameter@:staff_space@:3.9675@}
@{parameter@:linethickness@:0.46461@}
@{parameter@:black_notehead_width@:5.21574@}
@{parameter@:ledgerlinethickness@:0.92923@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Quarter up Funk tihead@:148@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:
u2tiFunk@} [148]
@{char@:Half down Walker dohead@:152@:0@:3.48087@:1.54262@:1.54262@:2.03291@:1.
25035@:d1doWalker@} [152]
@{char@:Half up Walker fahead@:164@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u
1faWalker@} [164]
@{char@:Whole slashhead@:48@:0@:16.89977@:5.87305@:5.87305@:16.89977@:5.87305@:
s0slash@} [48]
@{char@:Quarter down Funk tihead@:149@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:d2tiFunk@} [149]
@{char@:Quarter up Walker dohead@:153@:0@:3.48087@:1.54262@:1.54262@:2.03291@:1
.25035@:u2doWalker@} [153]
@{char@:Whole mirror mihead@:78@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s0mi
Mirror@} [78]
@{char@:Half slashhead@:49@:0@:13.13934@:5.87305@:5.87305@:13.13934@:5.87305@:s
1slash@} [49]
Font metrics written on feta-noteheads16.tfm.
143 output files written: feta-noteheads16.33 .. feta-noteheads16.175
Transcript written on feta-noteheads16.log.

@{char@:Half down Walker fahead@:165@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@
:d1faWalker@} [165]
@{char@:Quarter down Walker dohead@:154@:0@:3.48087@:1.54262@:1.54262@:2.03291@
:1.25035@:d2doWalker@} [154]
@{char@:Whole Walker dohead@:150@:0@:4.39587@:1.98683@:1.98683@:2.51097@:1.6740
6@:s0doWalker@} [150]
@{char@:Quarter slashhead@:50@:0@:9.6035@:5.87305@:5.87305@:9.6035@:5.87305@:s2
slash@} [50]
@{char@:Half  mirror mihead@:79@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s1mi
Mirror@} [79]
@{char@:Quarter up Walker fahead@:166@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:u2faWalker@} [166]
@{char@:Whole Walker rehead@:155@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0r
eWalker@} [155]
@{char@:Half up Walker dohead@:151@:0@:4.39587@:1.98683@:1.98683@:2.51097@:1.67
406@:u1doWalker@} [151]Copyright (c) 2000-2021. See AUTHORS for Contributors.

@{char@:Whole Crossed notehead@:51@:0@:9.4724@:3.32733@:3.32733@:9.4724@:1.8323
@:s0cross@} [51] License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Half up Walker rehead@:156@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u
1reWalker@} [156]
@{char@:Half down Walker dohead@:152@:0@:4.39587@:1.98683@:1.98683@:2.51097@:1.
67406@:d1doWalker@} [152]
@{char@:Quarter down Walker fahead@:167@:0@:6.21944@:2.87767@:2.87767@:6.21944@
:0@:d2faWalker@} [167]
@{char@:Quarter mirror mihead@:80@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s2
miMirror@} [80]
@{char@:Quarter up Walker dohead@:153@:0@:4.39587@:1.98683@:1.98683@:2.51097@:1
.67406@:u2doWalker@} [153]
@{char@:Half Crossed notehead@:52@:0@:8.43025@:3.19707@:3.19707@:8.43025@:1.912
46@:s1cross@} [52]
@{char@:Half down Walker rehead@:157@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@
:d1reWalker@} [157]
@{char@:Whole Walker lahead@:168@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0l
aWalker@} [168]
@{char@:Quarter down Walker dohead@:154@:0@:4.39587@:1.98683@:1.98683@:2.51097@
:1.67406@:d2doWalker@} [154]
@{char@:Whole thin mihead@:81@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s0miTh
in@} [81]
@{char@:Quarter up Walker rehead@:158@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:u2reWalker@} [158]
@{char@:Crossed notehead@:53@:0@:7.3881@:3.06679@:3.06679@:7.3881@:2.41814@:s2c
ross@} [53]
@{char@:Half Funk lahead@:169@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s1laWa
lker@} [169]
@{char@:Whole Walker rehead@:155@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0r
eWalker@} [155]
@{char@:Quarter down Walker rehead@:159@:0@:3.48087@:1.54262@:1.54262@:3.48087@
:0@:d2reWalker@} [159]
@{char@:Half thin mihead@:82@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s1miThi
n@} [82]
@{char@:Quarter Funk lahead@:170@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s2l
aWalker@} [170]
@{char@:Half up Walker rehead@:156@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u
1reWalker@} [156]
@{char@:X-Circled notehead@:54@:0@:8.78601@:3.64705@:3.64705@:8.78601@:0@:s2xci
rcle@} [54]
@{char@:Half down Walker rehead@:157@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@
:d1reWalker@} [157]
@{char@:Quarter thin mihead@:83@:0@:7.89705@:2.24998@:2.24998@:7.89705@:0@:s2mi
Thin@} [83]
@{char@:Whole Walker tihead@:171@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0t
iWalker@} [171]
@{char@:Whole Walker mihead@:160@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s0miWal
ker@} [160]
@{char@:Quarter up Walker rehead@:158@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:u2reWalker@} [158]
@{char@:Whole dohead@:55@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:s0do@}
[55]
@{char@:Quarter down Walker rehead@:159@:0@:4.39587@:1.98683@:1.98683@:4.39587@
:0@:d2reWalker@} [159]
@{char@:Half up Walker tihead@:172@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u
1tiWalker@} [172]Failed to change locale.

@{char@:Half dohead@:56@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:d1do@}
[56]
@{char@:Whole fa up head@:84@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u0fa@}
[84]
@{char@:Half Walker mihead@:161@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s1miWalk
er@} [161]
@{char@:Half down Walker tihead@:173@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@
:d1tiWalker@} [173]
@{char@:Half dohead@:57@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:u1do@}
[57]
@{char@:Whole fa down head@:85@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d0fa@
} [85]
@{char@:Quarter dohead@:58@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:d2do@
} [58]
@{char@:Quarter Walker mihead@:162@:0@:4.177@:1.54262@:1.54262@:4.177@:0@:s2miW
alker@} [162]
@{char@:Quarter up Walker tihead@:174@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:u2tiWalker@} [174]
@{char@:Whole Walker mihead@:160@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s0m
iWalker@} [160]
@{char@:half fa up head@:86@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u1fa@}
[86]
@{char@:Quarter dohead@:59@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:u2do
@} [59]
@{char@:Quarter down Walker tihead@:175@:0@:6.21944@:2.87767@:2.87767@:6.21944@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:25.2@}
@{parameter@:stafflinethickness@:0.54466@}
@{parameter@:staff_space@:6.3@}
@{parameter@:linethickness@:0.54466@}
@{parameter@:black_notehead_width@:8.29259@}
@{parameter@:ledgerlinethickness@:1.08932@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Half Walker mihead@:161@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s1mi
Walker@} [161]
@{char@:Whole thin dohead@:60@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:s
0doThin@} [60]
@{char@:Whole Walker fahead@:163@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0f
aWalker@} [163]
@{char@:Half fa down head@:87@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d1fa@}
[87]
@{char@:Quarter Walker mihead@:162@:0@:5.27501@:1.98683@:1.98683@:5.27501@:0@:s
2miWalker@} [162]
@{char@:Half thin dohead@:61@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:d1d
oThin@} [61]
@{char@:Half up Walker fahead@:164@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u
1faWalker@} [164]
Font metrics written on feta-noteheads26.tfm.
143 output files written: feta-noteheads26.33 .. feta-noteheads26.175
Transcript written on feta-noteheads26.log.

@{char@:Whole Walker fahead@:163@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0f
aWalker@} [163]
@{char@:Half thin dohead@:62@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@:u1
doThin@} [62]
@{char@:Quarter fa up head@:88@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u2fa@
} [88]
@{char@:Half down Walker fahead@:165@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@
:d1faWalker@} [165]
@{char@:Quarter thin dohead@:63@:0@:7.3881@:2.54572@:2.54572@:7.3881@:2.28517@:
d2doThin@} [63]
@{char@:Half up Walker fahead@:164@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u
1faWalker@} [164]
@{char@:Quarter up Walker fahead@:166@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:u2faWalker@} [166]
@{char@:Quarter fa down head@:89@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d2f
a@} [89]
@{char@:Quarter thin dohead@:64@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-2.28517@
:u2doThin@} [64]
@{char@:Half down Walker fahead@:165@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@
:d1faWalker@} [165]
@{char@:Whole thin fa up head@:90@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u0
faThin@} [90]
@{char@:Quarter up Walker fahead@:166@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:u2faWalker@} [166]
@{char@:Quarter down Walker fahead@:167@:0@:3.48087@:1.54262@:1.54262@:3.48087@
:0@:d2faWalker@} [167]
@{char@:Whole rehead@:65@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:s0re@}
[65]
@{char@:Quarter down Walker fahead@:167@:0@:4.39587@:1.98683@:1.98683@:4.39587@
:0@:d2faWalker@} [167]
@{char@:Whole thin fa down head@:91@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:
d0faThin@} [91]
@{char@:Whole Walker lahead@:168@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0l
aWalker@} [168]
@{char@:Whole Walker lahead@:168@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0l
aWalker@} [168]
@{char@:Half Funk lahead@:169@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s1laWa
lker@} [169]
@{char@:half thin fa up head@:92@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:u1f
aThin@} [92]
@{char@:Half up rehead@:66@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:u1re@
} [66]
@{char@:Half Funk lahead@:169@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s1laWa
lker@} [169]
@{char@:Quarter Funk lahead@:170@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s2l
aWalker@} [170]
@{char@:Quarter Funk lahead@:170@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s2l
aWalker@} [170]
@{char@:Half thin fa down head@:93@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:d
1faThin@} [93]
@{char@:Half down rehead@:67@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.01826@:d1
re@} [67]
@{char@:Whole Walker tihead@:171@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:s0t
iWalker@} [171]
@{char@:Whole Walker tihead@:171@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:s0t
iWalker@} [171]
@{char@:Quarter thin fa up head@:94@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:
u2faThin@} [94]
@{char@:Quarter up rehead@:68@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:u2
re@} [68]
@{char@:Half up Walker tihead@:172@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@:u
1tiWalker@} [172]
@{char@:Quarter thin fa down head@:95@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0
@:d2faThin@} [95]
@{char@:Quarter down rehead@:69@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.01826@
:d2re@} [69]
@{char@:Half down Walker tihead@:173@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0@
:d1tiWalker@} [173]
@{char@:Half up Walker tihead@:172@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@:u
1tiWalker@} [172]
@{char@:Whole thin rehead@:70@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:s0
reThin@} [70]
@{char@:Whole solhead@:96@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s0so
l@} [96]
@{char@:Quarter up Walker tihead@:174@:0@:3.48087@:1.54262@:1.54262@:3.48087@:0
@:u2tiWalker@} [174]
@{char@:Half down Walker tihead@:173@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0@
:d1tiWalker@} [173]
@{char@:Half up thin rehead@:71@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:
u1reThin@} [71]
@{char@:Quarter up Walker tihead@:174@:0@:4.39587@:1.98683@:1.98683@:4.39587@:0
@:u2tiWalker@} [174]
@{char@:Quarter down Walker tihead@:175@:0@:3.48087@:1.54262@:1.54262@:3.48087@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:14.14@}
@{parameter@:stafflinethickness@:0.44977@}
@{parameter@:staff_space@:3.535@}
@{parameter@:linethickness@:0.44977@}
@{parameter@:black_notehead_width@:4.64114@}
@{parameter@:ledgerlinethickness@:0.89954@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Half solhead@:97@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s1sol
@} [97]
@{char@:Quarter down Walker tihead@:175@:0@:4.39587@:1.98683@:1.98683@:4.39587@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{char@:Half down thin rehead@:72@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.0182
6@:d1reThin@} [72]
@{parameter@:staffsize@:17.82@}
@{parameter@:stafflinethickness@:0.48134@}
@{parameter@:staff_space@:4.455@}
@{parameter@:linethickness@:0.48134@}
@{parameter@:black_notehead_width@:5.86116@}
@{parameter@:ledgerlinethickness@:0.96268@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Quarter solhead@:98@:0@:6.94992@:2.75003@:2.75003@:6.94992@:1.30693@:s2
sol@} [98]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-noteheads26
    font_weight:               Medium
    font_identifier:           feta25.2
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -40
    font_underline_thickness:  20
    font_name:                 feta-noteheads26
    font_unique_id:            4518256
    font_size:                 25.1058530510585 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=39.8313492063492; bpppix 0.02; nonstopmode; input feta-noteheads26.mf'"...

Font metrics written on feta-noteheads14.tfm.
143 output files written: feta-noteheads14.33 .. feta-noteheads14.175
Transcript written on feta-noteheads14.log.

Font metrics written on feta-noteheads18.tfm.
143 output files written: feta-noteheads18.33 .. feta-noteheads18.175
Transcript written on feta-noteheads18.log.

@{char@:Quarter thin rehead@:73@:0@:7.3881@:2.54572@:2.54572@:7.3881@:1.01826@:
u2reThin@} [73]
@{char@:Whole lahead@:99@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s0la@}
[99]
@{char@:Quarter thin rehead@:74@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-1.01826@
:d2reThin@} [74]
@{char@:Half lahead@:100@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s1la@}
[100]
@{char@:Quarter lahead@:101@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s2la@}
[101]
@{char@:Whole mihead@:75@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s0mi@} [75]
@{char@:Whole thin lahead@:102@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s0laT
hin@} [102]
@{char@:Half thin lahead@:103@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s1laTh
in@} [103]
@{char@:Half mihead@:76@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s1mi@} [76]
@{char@:Quarter lahead@:104@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0@:s2laThin
@} [104]
@{char@:Quarter mihead@:77@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s2mi@}
[77]
@{char@:Whole up tihead@:105@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.62999@:s
0ti@} [105]
@{char@:Whole mirror mihead@:78@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s0miMi
rror@} [78]
@{char@:Half up tihead@:106@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.62999@:u1
ti@} [106]
@{char@:Half  mirror mihead@:79@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s1miMi
rror@} [79]
@{char@:Quarter mirror mihead@:80@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s2mi
Mirror@} [80]
@{char@:Half down tihead@:107@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.62999@
:d1ti@} [107]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Quarter up tihead@:108@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.62999@
:u2ti@} [108]
@{char@:Whole thin mihead@:81@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s0miThin
@} [81]
@{char@:Half thin mihead@:82@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s1miThin@
} [82]
@{char@:Quarter down tihead@:109@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.629
99@:d2ti@} [109]
@{char@:Quarter thin mihead@:83@:0@:8.8657@:2.54572@:2.54572@:8.8657@:0@:s2miTh
in@} [83]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Whole thin up tihead@:110@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.629
99@:s0tiThin@} [110]
@{char@:Half thin up tihead@:111@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.6299
9@:u1tiThin@} [111]
@{char@:Whole fa up head@:84@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u0fa@}
[84])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads26.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Whole fa down head@:85@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d0fa@}
[85]
@{char@:Half thin down tihead@:112@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-0.6
2999@:d1tiThin@} [112]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads-generic
.mf
@{char@:half fa up head@:86@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u1fa@}
[86]
@{char@:Quarter thin up tihead@:113@:0@:6.58089@:2.24998@:2.24998@:6.58089@:0.6
2999@:u2tiThin@} [113] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Half fa down head@:87@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d1fa@}
[87]
@{char@:Quarter thin down tihead@:114@:0@:6.58089@:2.24998@:2.24998@:6.58089@:-
0.62999@:d2tiThin@} [114]
@{char@:Quarter fa up head@:88@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u2fa@}
[88])
@{char@:Whole up Funk dohead@:115@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
doFunk@} [115]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Quarter fa down head@:89@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d2fa@
} [89]
@{char@:Whole down Funk dohead@:116@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0doFunk@} [116]
@{char@:Whole thin fa up head@:90@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u0fa
Thin@} [90]
@{char@:Half up Funk dohead@:117@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1d
oFunk@} [117])
@{font@:GNU@:LilyPond@:feta@:25.2@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-noteheads.mf
@{char@:Whole thin fa down head@:91@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d0
faThin@} [91]
@{char@:Half down Funk dohead@:118@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1doFunk@} [118]
@{char@:Quarter up Funk dohead@:119@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2doFunk@} [119]
@{char@:half thin fa up head@:92@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u1faT
hin@} [92]
@{char@:Quarter down Funk dohead@:120@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2doFunk@} [120]
@{char@:Half thin fa down head@:93@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:d1f
aThin@} [93]
@{group@:noteheads@}
@{char@:Longa notehead@:33@:1.08932@:13.40974@:4.40999@:22.22067@:13.40974@:0@:
uM2@} [33]Failed to change locale.

@{char@:Whole up Funk rehead@:121@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
reFunk@} [121]
@{char@:Quarter thin fa up head@:94@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:u2
faThin@} [94]
@{char@:Whole down Funk rehead@:122@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0reFunk@} [122]
@{char@:Longa notehead@:34@:1.08932@:13.40974@:22.22067@:4.40999@:13.40974@:0@:
dM2@} [34]
@{char@:Quarter thin fa down head@:95@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:
d2faThin@} [95]
@{char@:Half up Funk rehead@:123@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1r
eFunk@} [123]
@{char@:Whole solhead@:96@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s0so
l@} [96]
@{char@:Brevis notehead@:35@:1.08932@:13.40974@:4.40999@:4.40999@:13.40974@:0@:
sM1@} [35]
@{char@:Half solhead@:97@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s1sol
@} [97]
@{char@:Half down Funk rehead@:124@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1reFunk@} [124]
@{char@:Quarter solhead@:98@:0@:7.78128@:3.06679@:3.06679@:7.78128@:1.49515@:s2
sol@} [98]
@{char@:Quarter up Funk rehead@:125@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2reFunk@} [125]
@{char@:Whole lahead@:99@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s0la@} [99]
@{char@:Half lahead@:100@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s1la@} [100]
*** Successfully generated feta-flags14.pfb! ***

@{char@:Double-lined brevis notehead@:36@:2.39522@:14.71564@:4.40999@:4.40999@:
14.71564@:0@:sM1double@} [36]
@{char@:Quarter lahead@:101@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s2la@}
[101]
@{char@:Quarter down Funk rehead@:126@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2reFunk@} [126]
@{char@:Whole thin lahead@:102@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s0laThi
n@} [102]
@{char@:Whole notehead@:37@:0@:12.62956@:3.42233@:3.42233@:12.62956@:0@:s0@}
[37]
@{char@:Half thin lahead@:103@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s1laThin
@} [103]
@{char@:Half notehead@:38@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s1@}
[38]
@{char@:Quarter lahead@:104@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0@:s2laThin@}
[104]
@{char@:Whole up Funk mihead@:127@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:u0
miFunk@} [127]
@{char@:Quarter notehead@:39@:0@:8.29259@:3.42233@:3.42233@:8.29259@:1.24934@:s
2@} [39]
@{char@:Whole up tihead@:105@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:s0ti
@} [105]
@{char@:Whole diamondhead@:40@:0@:12.32042@:3.42233@:3.42233@:12.32042@:0@:s0di
amond@} [40]
@{char@:Whole down Funk mihead@:128@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:
d0miFunk@} [128]Failed to change locale.

@{char@:Half up tihead@:106@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:u1ti@
} [106]
@{char@:Half diamondhead@:41@:0@:9.06424@:3.42233@:3.42233@:9.06424@:2.41948@:s
1diamond@} [41]
@{char@:Half up Funk mihead@:129@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:u1m
iFunk@} [129]
@{char@:Quarter diamondhead@:42@:0@:9.17807@:3.42233@:3.42233@:9.17807@:2.4656@
:s2diamond@} [42]
@{char@:Half down tihead@:107@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.7128@:d1
ti@} [107]( echo ./out/feta-flags16.pfb:  > out/feta-flags16.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-flags16.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-flags16 --fullname=feta-flags16 --name=feta-flags16 feta-flags16.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Quarter up tihead@:108@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:u2
ti@} [108]
@{char@:Half down Funk mihead@:130@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:d
1miFunk@} [130]
@{char@:Quarter down tihead@:109@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.7128@
:d2ti@} [109]
@{char@:Quarter Funk mihead@:131@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s2m
iFunk@} [131]
@{char@:Whole trianglehead@:43@:0@:14.29497@:5.41129@:4.5198@:14.29498@:0.89146
@:s0triangle@} [43]
@{char@:Whole thin up tihead@:110@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@
:s0tiThin@} [110]
*** Successfully generated feta-flags13.pfb! ***

@{char@:Whole up Funk fahead@:132@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
faFunk@} [132]
@{char@:Half thin up tihead@:111@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.7128@:
u1tiThin@} [111]
@{char@:Whole down Funk fahead@:133@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0faFunk@} [133]
@{char@:Half thin down tihead@:112@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.712
8@:d1tiThin@} [112]
@{char@:Half up Funk fahead@:134@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1f
aFunk@} [134]
@{char@:Quarter thin up tihead@:113@:0@:7.3881@:2.54572@:2.54572@:7.3881@:0.712
8@:u2tiThin@} [113]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (downstem)@:44@:0@:10.32191@:4.87529@:4.08287@:8.6749
1@:4.28793@:d1triangle@} [44]
@{char@:Half down Funk fahead@:135@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1faFunk@} [135]
@{char@:Quarter up Funk fahead@:136@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2faFunk@} [136]
@{char@:Quarter thin down tihead@:114@:0@:7.3881@:2.54572@:2.54572@:7.3881@:-0.
7128@:d2tiThin@} [114]
@{char@:Quarter down Funk fahead@:137@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2faFunk@} [137]
! Warning: Replacing filldraw with fill.
! Warning: Replacing unfilldraw with unfill.
@{char@:Half trianglehead (upstem)@:45@:0@:10.32191@:4.87529@:4.08287@:10.32191
@:0.79242@:u1triangle@} [45]
@{char@:Whole up Funk dohead@:115@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
doFunk@} [115]( echo ./out/feta-flags18.pfb:  > out/feta-flags18.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-flags18.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-flags18 --fullname=feta-flags18 --name=feta-flags18 feta-flags18.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Whole down Funk dohead@:116@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0doFunk@} [116]
@{char@:Whole Funk solhead@:138@:0@:4.80666@:2.24998@:2.24998@:4.80666@:0.35692
@:s0solFunk@} [138]
@{char@:Half up Funk dohead@:117@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1d
oFunk@} [117]
@{char@:Half Funk solhead@:139@:0@:4.80666@:2.24998@:2.24998@:4.80666@:0.35692@
:s1solFunk@} [139]
@{char@:Half down Funk dohead@:118@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1doFunk@} [118]
@{char@:Quarter trianglehead (upstem)@:46@:0@:8.60161@:4.87529@:4.08287@:8.6016
2@:0.79242@:u2triangle@} [46]
@{char@:Quarter up Funk dohead@:119@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2doFunk@} [119]
@{char@:Quarter Funk solhead@:140@:0@:4.80666@:2.24998@:2.24998@:4.80666@:0.356
92@:s2solFunk@} [140]
@{char@:Quarter down Funk dohead@:120@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2doFunk@} [120]
@{char@:Whole Funk lahead@:141@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0laF
unk@} [141]
@{char@:Half Funk lahead@:142@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s1laFu
nk@} [142]
@{char@:Whole up Funk rehead@:121@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
reFunk@} [121]
@{char@:Quarter Funk lahead@:143@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s2l
aFunk@} [143]
@{char@:Whole down Funk rehead@:122@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0reFunk@} [122]
@{char@:Quarter trianglehead (downstem)@:47@:0@:8.60161@:4.87529@:4.08287@:7.22
911@:4.28793@:d2triangle@} [47]
@{char@:Whole up Funk tihead@:144@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u0
tiFunk@} [144]
@{char@:Half up Funk rehead@:123@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1r
eFunk@} [123]
@{char@:Half down Funk rehead@:124@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1reFunk@} [124]
@{char@:Whole slashhead@:48@:0@:18.94615@:6.57234@:6.57234@:18.94615@:6.57234@:
s0slash@} [48]
@{char@:Whole down Funk tihead@:145@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
d0tiFunk@} [145]
@{char@:Half slashhead@:49@:0@:14.72511@:6.57234@:6.57234@:14.72511@:6.57234@:s
1slash@} [49]
@{char@:Quarter up Funk rehead@:125@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2reFunk@} [125]
@{char@:Half up Funk tihead@:146@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u1t
iFunk@} [146]
@{char@:Quarter down Funk rehead@:126@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2reFunk@} [126]
@{char@:Quarter slashhead@:50@:0@:10.75616@:6.57234@:6.57234@:10.75616@:6.57234
@:s2slash@} [50]
@{char@:Whole up Funk mihead@:127@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:u0
miFunk@} [127]
@{char@:Half down Funk tihead@:147@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:d
1tiFunk@} [147]
@{char@:Whole Crossed notehead@:51@:0@:10.47124@:3.69467@:3.69467@:10.47124@:2.
12938@:s0cross@} [51]
@{char@:Quarter up Funk tihead@:148@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:
u2tiFunk@} [148]
@{char@:Quarter down Funk tihead@:149@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:d2tiFunk@} [149]
@{char@:Whole down Funk mihead@:128@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:
d0miFunk@} [128]
@{char@:Half Crossed notehead@:52@:0@:9.38191@:3.5585@:3.5585@:9.38191@:2.21507
@:s1cross@} [52]
@{char@:Half up Funk mihead@:129@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:u1m
iFunk@} [129]
@{char@:Crossed notehead@:53@:0@:8.29259@:3.42233@:3.42233@:8.29259@:2.74496@:s
2cross@} [53]
@{char@:Whole Walker dohead@:150@:0@:4.93567@:2.24998@:2.24998@:2.79303@:1.9250
8@:s0doWalker@} [150]
@{char@:Half up Walker dohead@:151@:0@:4.93567@:2.24998@:2.24998@:2.79303@:1.92
508@:u1doWalker@} [151]
@{char@:Half down Funk mihead@:130@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:d
1miFunk@} [130]
@{char@:X-Circled notehead@:54@:0@:9.86162@:4.06987@:4.06987@:9.86162@:0@:s2xci
rcle@} [54]
@{char@:Half down Walker dohead@:152@:0@:4.93567@:2.24998@:2.24998@:2.79303@:1.
92508@:d1doWalker@} [152]
@{char@:Quarter Funk mihead@:131@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s2m
iFunk@} [131]
@{char@:Whole dohead@:55@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:s0do
@} [55]
@{char@:Quarter up Walker dohead@:153@:0@:4.93567@:2.24998@:2.24998@:2.79303@:1
.92508@:u2doWalker@} [153]
@{char@:Whole up Funk fahead@:132@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
faFunk@} [132]
@{char@:Quarter down Walker dohead@:154@:0@:4.93567@:2.24998@:2.24998@:2.79303@
:1.92508@:d2doWalker@} [154]
@{char@:Half dohead@:56@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533@:d1do@}
[56]
@{char@:Whole down Funk fahead@:133@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0faFunk@} [133]
@{char@:Whole Walker rehead@:155@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0r
eWalker@} [155]
@{char@:Half dohead@:57@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:u1do@
} [57]
@{char@:Half up Funk fahead@:134@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1f
aFunk@} [134]
@{char@:Half up Walker rehead@:156@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u
1reWalker@} [156]
@{char@:Quarter dohead@:58@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533@:d2d
o@} [58]
@{char@:Half down Funk fahead@:135@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1faFunk@} [135]
@{char@:Half down Walker rehead@:157@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@
:d1reWalker@} [157]
@{char@:Quarter dohead@:59@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:u2
do@} [59]
@{char@:Quarter up Funk fahead@:136@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2faFunk@} [136]
@{char@:Quarter up Walker rehead@:158@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:u2reWalker@} [158]
@{char@:Quarter down Funk fahead@:137@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2faFunk@} [137]
@{char@:Whole thin dohead@:60@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@
:s0doThin@} [60]
@{char@:Quarter down Walker rehead@:159@:0@:4.93567@:2.24998@:2.24998@:4.93567@
:0@:d2reWalker@} [159]
@{char@:Half thin dohead@:61@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533@:d
1doThin@} [61]
@{char@:Whole Funk solhead@:138@:0@:5.43845@:2.54572@:2.54572@:5.43845@:0.40382
@:s0solFunk@} [138]
@{char@:Whole Walker mihead@:160@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s0m
iWalker@} [160]
@{char@:Half thin dohead@:62@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.60533@:
u1doThin@} [62]
@{char@:Half Funk solhead@:139@:0@:5.43845@:2.54572@:2.54572@:5.43845@:0.40382@
:s1solFunk@} [139]
@{char@:Quarter thin dohead@:63@:0@:8.29259@:2.87767@:2.87767@:8.29259@:2.60533
@:d2doThin@} [63]
@{char@:Half Walker mihead@:161@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s1mi
Walker@} [161]
@{char@:Quarter Funk solhead@:140@:0@:5.43845@:2.54572@:2.54572@:5.43845@:0.403
82@:s2solFunk@} [140]
@{char@:Quarter thin dohead@:64@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-2.6053
3@:u2doThin@} [64]
@{char@:Whole Funk lahead@:141@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0laF
unk@} [141]
@{char@:Quarter Walker mihead@:162@:0@:5.92276@:2.24998@:2.24998@:5.92276@:0@:s
2miWalker@} [162]
@{char@:Half Funk lahead@:142@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s1laFu
nk@} [142]
@{char@:Whole Walker fahead@:163@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0f
aWalker@} [163]
@{char@:Quarter Funk lahead@:143@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s2l
aFunk@} [143]
@{char@:Whole rehead@:65@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:s0re@
} [65]
@{char@:Half up rehead@:66@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:u1r
e@} [66]
@{char@:Half up Walker fahead@:164@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u
1faWalker@} [164]
@{char@:Whole up Funk tihead@:144@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u0
tiFunk@} [144]
@{char@:Half down rehead@:67@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.15105@:
d1re@} [67]
@{char@:Half down Walker fahead@:165@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@
:d1faWalker@} [165]
@{char@:Quarter up rehead@:68@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:
u2re@} [68]
@{char@:Whole down Funk tihead@:145@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
d0tiFunk@} [145]
@{char@:Quarter up Walker fahead@:166@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:u2faWalker@} [166]
@{char@:Quarter down rehead@:69@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.1510
5@:d2re@} [69]
@{char@:Half up Funk tihead@:146@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u1t
iFunk@} [146]
@{char@:Quarter down Walker fahead@:167@:0@:4.93567@:2.24998@:2.24998@:4.93567@
:0@:d2faWalker@} [167]
@{char@:Whole thin rehead@:70@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105@:
s0reThin@} [70]
@{char@:Half down Funk tihead@:147@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:d
1tiFunk@} [147]
@{char@:Whole Walker lahead@:168@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0l
aWalker@} [168]
@{char@:Half up thin rehead@:71@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105
@:u1reThin@} [71]
@{char@:Quarter up Funk tihead@:148@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:
u2tiFunk@} [148]
@{char@:Half Funk lahead@:169@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s1laWa
lker@} [169]
@{char@:Half down thin rehead@:72@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.15
105@:d1reThin@} [72]
@{char@:Quarter Funk lahead@:170@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s2l
aWalker@} [170]
@{char@:Quarter down Funk tihead@:149@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:d2tiFunk@} [149]
@{char@:Quarter thin rehead@:73@:0@:8.29259@:2.87767@:2.87767@:8.29259@:1.15105
@:u2reThin@} [73]
@{char@:Whole Walker tihead@:171@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:s0t
iWalker@} [171]
@{char@:Whole Walker dohead@:150@:0@:5.54108@:2.54572@:2.54572@:3.10942@:2.2071
5@:s0doWalker@} [150]
@{char@:Quarter thin rehead@:74@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-1.1510
5@:d2reThin@} [74]
@{char@:Half up Walker tihead@:172@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@:u
1tiWalker@} [172]
@{char@:Half up Walker dohead@:151@:0@:5.54108@:2.54572@:2.54572@:3.10942@:2.20
715@:u1doWalker@} [151]
@{char@:Whole mihead@:75@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s0mi@}
[75]
@{char@:Half down Walker tihead@:173@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0@
:d1tiWalker@} [173]
@{char@:Half down Walker dohead@:152@:0@:5.54108@:2.54572@:2.54572@:3.10942@:2.
20715@:d1doWalker@} [152]
@{char@:Quarter up Walker dohead@:153@:0@:5.54108@:2.54572@:2.54572@:3.10942@:2
.20715@:u2doWalker@} [153]
@{char@:Half mihead@:76@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s1mi@} [76]
@{char@:Quarter up Walker tihead@:174@:0@:4.93567@:2.24998@:2.24998@:4.93567@:0
@:u2tiWalker@} [174]
@{char@:Quarter down Walker dohead@:154@:0@:5.54108@:2.54572@:2.54572@:3.10942@
:2.20715@:d2doWalker@} [154]
@{char@:Quarter mihead@:77@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s2mi@}
[77]
@{char@:Quarter down Walker tihead@:175@:0@:4.93567@:2.24998@:2.24998@:4.93567@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{char@:Whole Walker rehead@:155@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0r
eWalker@} [155]
@{char@:Whole mirror mihead@:78@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s0mi
Mirror@} [78]
@{parameter@:staffsize@:20@}
@{parameter@:stafflinethickness@:0.50005@}
@{parameter@:staff_space@:5@}
@{parameter@:linethickness@:0.50005@}
@{parameter@:black_notehead_width@:6.58089@}
@{parameter@:ledgerlinethickness@:1.00009@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Half up Walker rehead@:156@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u
1reWalker@} [156]
Font metrics written on feta-noteheads20.tfm.
143 output files written: feta-noteheads20.33 .. feta-noteheads20.175
Transcript written on feta-noteheads20.log.

@{char@:Half down Walker rehead@:157@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@
:d1reWalker@} [157]
@{char@:Half  mirror mihead@:79@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s1mi
Mirror@} [79]
@{char@:Quarter up Walker rehead@:158@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:u2reWalker@} [158]
@{char@:Quarter mirror mihead@:80@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s2
miMirror@} [80]
@{char@:Quarter down Walker rehead@:159@:0@:5.54108@:2.54572@:2.54572@:5.54108@
:0@:d2reWalker@} [159]
@{char@:Whole thin mihead@:81@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s0miTh
in@} [81]
@{char@:Whole Walker mihead@:160@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s0m
iWalker@} [160]
@{char@:Half thin mihead@:82@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s1miThi
n@} [82]
@{char@:Half Walker mihead@:161@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s1mi
Walker@} [161]
@{char@:Quarter thin mihead@:83@:0@:9.95108@:2.87767@:2.87767@:9.95108@:0@:s2mi
Thin@} [83]
@{char@:Quarter Walker mihead@:162@:0@:6.64925@:2.54572@:2.54572@:6.64925@:0@:s
2miWalker@} [162]
@{char@:Whole fa up head@:84@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u0fa@}
[84]
@{char@:Whole Walker fahead@:163@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0f
aWalker@} [163]
@{char@:Whole fa down head@:85@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d0fa@
} [85]
@{char@:Half up Walker fahead@:164@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u
1faWalker@} [164]
@{char@:half fa up head@:86@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u1fa@}
[86]
@{char@:Half down Walker fahead@:165@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@
:d1faWalker@} [165]
@{char@:Quarter up Walker fahead@:166@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:u2faWalker@} [166]
@{char@:Quarter down Walker fahead@:167@:0@:5.54108@:2.54572@:2.54572@:5.54108@
:0@:d2faWalker@} [167]
@{char@:Half fa down head@:87@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d1fa@}
[87]
@{char@:Whole Walker lahead@:168@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0l
aWalker@} [168]
@{char@:Quarter fa up head@:88@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u2fa@
} [88]
@{char@:Half Funk lahead@:169@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s1laWa
lker@} [169]
@{char@:Quarter fa down head@:89@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d2f
a@} [89]
@{char@:Quarter Funk lahead@:170@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s2l
aWalker@} [170]
@{char@:Whole thin fa up head@:90@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u0
faThin@} [90]
@{char@:Whole Walker tihead@:171@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:s0t
iWalker@} [171]
@{char@:Whole thin fa down head@:91@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:
d0faThin@} [91]
@{char@:Half up Walker tihead@:172@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@:u
1tiWalker@} [172]
@{char@:half thin fa up head@:92@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:u1f
aThin@} [92]
@{char@:Half down Walker tihead@:173@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0@
:d1tiWalker@} [173]
@{char@:Half thin fa down head@:93@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:d
1faThin@} [93]
@{char@:Quarter up Walker tihead@:174@:0@:5.54108@:2.54572@:2.54572@:5.54108@:0
@:u2tiWalker@} [174]
@{char@:Quarter down Walker tihead@:175@:0@:5.54108@:2.54572@:2.54572@:5.54108@
:0@:d2tiWalker@} [175]
@{char@:Quarter thin fa up head@:94@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:
u2faThin@} [94]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:22.45@}
@{parameter@:stafflinethickness@:0.52107@}
@{parameter@:staff_space@:5.6125@}
@{parameter@:linethickness@:0.52107@}
@{parameter@:black_notehead_width@:7.3881@}
@{parameter@:ledgerlinethickness@:1.04214@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Quarter thin fa down head@:95@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0
@:d2faThin@} [95]
Font metrics written on feta-noteheads23.tfm.
143 output files written: feta-noteheads23.33 .. feta-noteheads23.175
Transcript written on feta-noteheads23.log.
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-flags16.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mpInvoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-flags18.mf'"...
 (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags16.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mfThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Whole solhead@:96@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s0so
l@} [96])(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{font@:GNU@:LilyPond@:feta@:15.87@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:3.62502@:12.10156@:0.302@:3.62502@:0@:u3@} [33])
@{char@:Half solhead@:97@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s1sol
@} [97]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags18.mf
@{char@:16th Flag (up)@:34@:0@:3.62502@:14.08531@:0.302@:3.62502@:0@:u4@} [34]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Quarter solhead@:98@:0@:8.71313@:3.42233@:3.42233@:8.71313@:1.70447@:s2
sol@} [98]
@{char@:32nd Flag (up)@:35@:0@:3.32301@:17.06094@:0.302@:3.32301@:0@:u5@} [35])
@{char@:Whole lahead@:99@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s0la@}
[99]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Half lahead@:100@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s1la@}
[100]
@{char@:Quarter lahead@:101@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s2la@}
[101])
@{char@:Whole thin lahead@:102@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s0laT
hin@} [102]
@{font@:GNU@:LilyPond@:feta@:17.82@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{char@:Half thin lahead@:103@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s1laTh
in@} [103]
@{char@:Quarter lahead@:104@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0@:s2laThin
@} [104]
@{char@:Whole up tihead@:105@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.80574@:s
0ti@} [105]
@{char@:Half up tihead@:106@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.80574@:u1
ti@} [106]
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:4.0411@:13.58879@:0.31288@:4.0411@:0@:u3@} [33]
@{char@:Half down tihead@:107@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-0.80574@
:d1ti@} [107]
@{char@:Quarter up tihead@:108@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.80574@
:u2ti@} [108]
@{char@:16th Flag (up)@:34@:0@:4.0411@:15.8163@:0.31288@:4.0411@:0@:u4@} [34]
@{char@:Quarter down tihead@:109@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-0.805
74@:d2ti@} [109]
@{char@:Whole thin up tihead@:110@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.805
74@:s0tiThin@} [110]
@{char@:32nd Flag (up)@:35@:0@:3.72823@:19.15755@:0.31288@:3.72823@:0@:u5@}
[35]
@{char@:Half thin up tihead@:111@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.8057
4@:u1tiThin@} [111]
@{char@:Half thin down tihead@:112@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-0.8
0574@:d1tiThin@} [112]
@{char@:64th Flag (up)@:36@:0@:3.72823@:23.61255@:0.31288@:3.72823@:0@:u6@}
[36]
@{char@:Quarter thin up tihead@:113@:0@:8.29259@:2.87767@:2.87767@:8.29259@:0.8
0574@:u2tiThin@} [113]
@{char@:Quarter thin down tihead@:114@:0@:8.29259@:2.87767@:2.87767@:8.29259@:-
0.80574@:d2tiThin@} [114]
@{char@:Whole up Funk dohead@:115@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
doFunk@} [115]
@{char@:128th Flag (up)@:37@:0@:3.72823@:28.06755@:0.31288@:3.72823@:0@:u7@}
[37]
@{char@:Whole down Funk dohead@:116@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0doFunk@} [116]
@{char@:8th Flag (down)@:38@:0@:4.80081@:0.31288@:12.67503@:4.80081@:0@:d3@}
[38]
@{char@:Half up Funk dohead@:117@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1d
oFunk@} [117]
@{char@:Half down Funk dohead@:118@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1doFunk@} [118]
@{char@:16th Flag (down) 3@:39@:0@:4.80081@:0.31288@:13.58879@:4.80081@:0@:d4@}
[39]
@{char@:Quarter up Funk dohead@:119@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2doFunk@} [119]
@{char@:Quarter down Funk dohead@:120@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2doFunk@} [120]
@{char@:32nd Flag (down)@:40@:0@:4.80081@:0.31288@:16.93004@:4.80081@:0@:d5@}
[40]
@{char@:Whole up Funk rehead@:121@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
reFunk@} [121]
@{char@:Whole down Funk rehead@:122@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0reFunk@} [122]
@{char@:Half up Funk rehead@:123@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1r
eFunk@} [123]
@{char@:64th Flag (down)@:41@:0@:4.80081@:0.31288@:20.2713@:4.80081@:0@:d6@}
[41]
@{char@:Half down Funk rehead@:124@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1reFunk@} [124]
@{char@:Quarter up Funk rehead@:125@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2reFunk@} [125]
@{char@:64th Flag (up)@:36@:0@:3.32301@:21.02844@:0.302@:3.32301@:0@:u6@} [36]
@{char@:Quarter down Funk rehead@:126@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2reFunk@} [126]
@{char@:Whole up Funk mihead@:127@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:u0
miFunk@} [127]
@{char@:128th Flag (down)@:42@:0@:4.80081@:0.31288@:24.7263@:4.80081@:0@:d7@}
[42]
@{char@:128th Flag (up)@:37@:0@:3.32301@:24.99594@:0.302@:3.32301@:0@:u7@}
[37]
@{char@:Whole down Funk mihead@:128@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:
d0miFunk@} [128]
@{char@:8th Flag (down)@:38@:0@:4.2775@:0.302@:11.3097@:4.2775@:0@:d3@} [38]
@{char@:Half up Funk mihead@:129@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:u1m
iFunk@} [129]
@{char@:16th Flag (down) 3@:39@:0@:4.2775@:0.302@:12.10156@:4.2775@:0@:d4@}
[39]
@{char@:grace dash (up)@:43@:2.68433@:3.72823@:9.62282@:-4.455@:3.72823@:0@:ugr
ace@} [43]
@{char@:Half down Funk mihead@:130@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:d
1miFunk@} [130]
@{char@:grace dash (down)@:44@:3.45659@:4.80081@:-4.41048@:9.1417@:4.80081@:0@:
dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:17.82@}
@{parameter@:stafflinethickness@:0.48134@}
@{parameter@:staff_space@:4.455@}
@{parameter@:linethickness@:0.48134@}
@{parameter@:black_notehead_width@:5.86116@}
@{parameter@:ledgerlinethickness@:0.96268@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Quarter Funk mihead@:131@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s2m
iFunk@} [131]
Font metrics written on feta-flags18.tfm.
12 output files written: feta-flags18.33 .. feta-flags18.44
Transcript written on feta-flags18.log.

@{char@:Whole up Funk fahead@:132@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
faFunk@} [132]
@{char@:Whole down Funk fahead@:133@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0faFunk@} [133]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-flags18
    font_weight:               Medium
    font_identifier:           feta17.82
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -56
    font_underline_thickness:  28
    font_name:                 feta-flags18
    font_unique_id:            4877755
    font_size:                 17.7534246575342 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=56.3271604938272; bpppix 0.02; nonstopmode; input feta-flags18.mf'"...

@{char@:32nd Flag (down)@:40@:0@:4.2775@:0.302@:15.0772@:4.2775@:0@:d5@} [40]
@{char@:Half up Funk fahead@:134@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1f
aFunk@} [134]
@{char@:Half down Funk fahead@:135@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1faFunk@} [135]
@{char@:Quarter up Funk fahead@:136@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2faFunk@} [136]
@{char@:Quarter down Funk fahead@:137@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2faFunk@} [137]
@{char@:Whole Funk solhead@:138@:0@:6.14761@:2.87767@:2.87767@:6.14761@:0.45648
@:s0solFunk@} [138]
@{char@:Half Funk solhead@:139@:0@:6.14761@:2.87767@:2.87767@:6.14761@:0.45648@
:s1solFunk@} [139]
@{char@:Quarter Funk solhead@:140@:0@:6.14761@:2.87767@:2.87767@:6.14761@:0.456
48@:s2solFunk@} [140]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Whole Funk lahead@:141@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0laF
unk@} [141](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Half Funk lahead@:142@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s1laFu
nk@} [142]
@{char@:Quarter Funk lahead@:143@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s2l
aFunk@} [143]
@{char@:Whole up Funk tihead@:144@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u0
tiFunk@} [144]
@{char@:Whole down Funk tihead@:145@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
d0tiFunk@} [145]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Half up Funk tihead@:146@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u1t
iFunk@} [146])
@{char@:Half down Funk tihead@:147@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:d
1tiFunk@} [147]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags18.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Quarter up Funk tihead@:148@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:
u2tiFunk@} [148]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Quarter down Funk tihead@:149@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:d2tiFunk@} [149]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Whole Walker dohead@:150@:0@:6.21944@:2.87767@:2.87767@:3.46396@:2.5237
9@:s0doWalker@} [150]
@{char@:64th Flag (down)@:41@:0@:4.2775@:0.302@:18.05281@:4.2775@:0@:d6@} [41])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:128th Flag (down)@:42@:0@:4.2775@:0.302@:22.02031@:4.2775@:0@:d7@}
[42])
@{font@:GNU@:LilyPond@:feta@:17.82@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{char@:grace dash (up)@:43@:2.39258@:3.32301@:8.56981@:-3.9675@:3.32301@:0@:ug
race@} [43]
@{char@:Half up Walker dohead@:151@:0@:6.21944@:2.87767@:2.87767@:3.46396@:2.52
379@:u1doWalker@} [151]
@{char@:grace dash (down)@:44@:3.0798@:4.2775@:-3.92784@:8.14133@:4.2775@:0@:dg
race@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:15.87@}
@{parameter@:stafflinethickness@:0.46461@}
@{parameter@:staff_space@:3.9675@}
@{parameter@:linethickness@:0.46461@}
@{parameter@:black_notehead_width@:5.21574@}
@{parameter@:ledgerlinethickness@:0.92923@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags16.tfm.
12 output files written: feta-flags16.33 .. feta-flags16.44
Transcript written on feta-flags16.log.

@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:4.0411@:13.58879@:0.31288@:4.0411@:0@:u3@} [33]
@{char@:16th Flag (up)@:34@:0@:4.0411@:15.8163@:0.31288@:4.0411@:0@:u4@} [34]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-flags16
    font_weight:               Medium
    font_identifier:           feta15.87
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -63
    font_underline_thickness:  32
    font_name:                 feta-flags16
    font_unique_id:            4867995
    font_size:                 15.8107098381071 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=63.2482671707624; bpppix 0.02; nonstopmode; input feta-flags16.mf'"...

@{char@:32nd Flag (up)@:35@:0@:3.72823@:19.15755@:0.31288@:3.72823@:0@:u5@}
[35]
@{char@:Half down Walker dohead@:152@:0@:6.21944@:2.87767@:2.87767@:3.46396@:2.
52379@:d1doWalker@} [152]
@{char@:Quarter up Walker dohead@:153@:0@:6.21944@:2.87767@:2.87767@:3.46396@:2
.52379@:u2doWalker@} [153]
@{char@:Quarter down Walker dohead@:154@:0@:6.21944@:2.87767@:2.87767@:3.46396@
:2.52379@:d2doWalker@} [154]
@{char@:64th Flag (up)@:36@:0@:3.72823@:23.61255@:0.31288@:3.72823@:0@:u6@}
[36]
@{char@:Whole Walker rehead@:155@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0r
eWalker@} [155]
@{char@:Half up Walker rehead@:156@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u
1reWalker@} [156]
@{char@:Half down Walker rehead@:157@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@
:d1reWalker@} [157]
@{char@:128th Flag (up)@:37@:0@:3.72823@:28.06755@:0.31288@:3.72823@:0@:u7@}
[37]
@{char@:Quarter up Walker rehead@:158@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:u2reWalker@} [158]
@{char@:Quarter down Walker rehead@:159@:0@:6.21944@:2.87767@:2.87767@:6.21944@
:0@:d2reWalker@} [159]
@{char@:8th Flag (down)@:38@:0@:4.80081@:0.31288@:12.67503@:4.80081@:0@:d3@}
[38]
@{char@:Whole Walker mihead@:160@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s0m
iWalker@} [160]
@{char@:16th Flag (down) 3@:39@:0@:4.80081@:0.31288@:13.58879@:4.80081@:0@:d4@}
[39]
@{char@:Half Walker mihead@:161@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s1mi
Walker@} [161]
@{char@:32nd Flag (down)@:40@:0@:4.80081@:0.31288@:16.93004@:4.80081@:0@:d5@}
[40]
@{char@:Quarter Walker mihead@:162@:0@:7.46327@:2.87767@:2.87767@:7.46327@:0@:s
2miWalker@} [162]
@{char@:64th Flag (down)@:41@:0@:4.80081@:0.31288@:20.2713@:4.80081@:0@:d6@}
[41]
@{char@:Whole Walker fahead@:163@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0f
aWalker@} [163]
@{char@:Half up Walker fahead@:164@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u
1faWalker@} [164]
@{char@:Half down Walker fahead@:165@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@
:d1faWalker@} [165]
@{char@:128th Flag (down)@:42@:0@:4.80081@:0.31288@:24.7263@:4.80081@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:2.68433@:3.72823@:9.62282@:-4.455@:3.72823@:0@:ugr
ace@} [43]
@{char@:Quarter up Walker fahead@:166@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:u2faWalker@} [166]
@{char@:grace dash (down)@:44@:3.45659@:4.80081@:-4.41048@:9.1417@:4.80081@:0@:
dgrace@} [44]
@{puorg@:flags@}
)
@{char@:Quarter down Walker fahead@:167@:0@:6.21944@:2.87767@:2.87767@:6.21944@
:0@:d2faWalker@} [167]
@{parameter@:staffsize@:17.82@}
@{parameter@:stafflinethickness@:0.48134@}
@{parameter@:staff_space@:4.455@}
@{parameter@:linethickness@:0.48134@}
@{parameter@:black_notehead_width@:5.86116@}
@{parameter@:ledgerlinethickness@:0.96268@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags18.tfm.
12 output files written: feta-flags18.33 .. feta-flags18.44
Transcript written on feta-flags18.log.

@{char@:Whole Walker lahead@:168@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0l
aWalker@} [168]
@{char@:Half Funk lahead@:169@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s1laWa
lker@} [169]
@{char@:Quarter Funk lahead@:170@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s2l
aWalker@} [170]
@{char@:Whole Walker tihead@:171@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:s0t
iWalker@} [171]
@{char@:Half up Walker tihead@:172@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@:u
1tiWalker@} [172]
@{char@:Half down Walker tihead@:173@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0@
:d1tiWalker@} [173]
@{char@:Quarter up Walker tihead@:174@:0@:6.21944@:2.87767@:2.87767@:6.21944@:0
@:u2tiWalker@} [174]
@{char@:Quarter down Walker tihead@:175@:0@:6.21944@:2.87767@:2.87767@:6.21944@
:0@:d2tiWalker@} [175]
@{puorg@:noteheads@}
)
@{parameter@:staffsize@:25.2@}
@{parameter@:stafflinethickness@:0.54466@}
@{parameter@:staff_space@:6.3@}
@{parameter@:linethickness@:0.54466@}
@{parameter@:black_notehead_width@:8.29259@}
@{parameter@:ledgerlinethickness@:1.08932@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-noteheads26.tfm.
143 output files written: feta-noteheads26.33 .. feta-noteheads26.175
Transcript written on feta-noteheads26.log.
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags16.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:15.87@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:3.62502@:12.10156@:0.302@:3.62502@:0@:u3@} [33]
@{char@:16th Flag (up)@:34@:0@:3.62502@:14.08531@:0.302@:3.62502@:0@:u4@} [34]
@{char@:32nd Flag (up)@:35@:0@:3.32301@:17.06094@:0.302@:3.32301@:0@:u5@} [35]
@{char@:64th Flag (up)@:36@:0@:3.32301@:21.02844@:0.302@:3.32301@:0@:u6@} [36]
@{char@:128th Flag (up)@:37@:0@:3.32301@:24.99594@:0.302@:3.32301@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:4.2775@:0.302@:11.3097@:4.2775@:0@:d3@} [38]
@{char@:16th Flag (down) 3@:39@:0@:4.2775@:0.302@:12.10156@:4.2775@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:4.2775@:0.302@:15.0772@:4.2775@:0@:d5@} [40]
@{char@:64th Flag (down)@:41@:0@:4.2775@:0.302@:18.05281@:4.2775@:0@:d6@} [41]
@{char@:128th Flag (down)@:42@:0@:4.2775@:0.302@:22.02031@:4.2775@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:2.39258@:3.32301@:8.56981@:-3.9675@:3.32301@:0@:ug
race@} [43]
@{char@:grace dash (down)@:44@:3.0798@:4.2775@:-3.92784@:8.14133@:4.2775@:0@:dg
race@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:15.87@}
@{parameter@:stafflinethickness@:0.46461@}
@{parameter@:staff_space@:3.9675@}
@{parameter@:linethickness@:0.46461@}
@{parameter@:black_notehead_width@:5.21574@}
@{parameter@:ledgerlinethickness@:0.92923@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags16.tfm.
12 output files written: feta-flags16.33 .. feta-flags16.44
Transcript written on feta-flags16.log.

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-flags18.pt1 feta-flags18.pfb"...

Invoking "fontforge -script feta-flags18.pe feta-flags18.pfb"...

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-flags16.pt1 feta-flags16.pfb"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.

Invoking "fontforge -script feta-flags16.pe feta-flags16.pfb"...

*** Successfully generated feta-flags18.pfb! ***
( echo ./out/feta-flags20.pfb:  > out/feta-flags20.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-flags20.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-flags20 --fullname=feta-flags20 --name=feta-flags20 feta-flags20.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.

*** Successfully generated feta-flags16.pfb! ***
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-flags20.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags20.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf( echo ./out/feta-flags23.pfb:  > out/feta-flags23.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-flags23.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-flags23 --fullname=feta-flags23 --name=feta-flags23 feta-flags23.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:20@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:4.50507@:15.2514@:0.32503@:4.50507@:0@:u3@} [33]
@{char@:16th Flag (up)@:34@:0@:4.50507@:17.7514@:0.32503@:4.50507@:0@:u4@}
[34]
@{char@:32nd Flag (up)@:35@:0@:4.18004@:21.5014@:0.32503@:4.18004@:0@:u5@}
[35]
@{char@:64th Flag (up)@:36@:0@:4.18004@:26.5014@:0.32503@:4.18004@:0@:u6@}
[36]
@{char@:128th Flag (up)@:37@:0@:4.18004@:31.5014@:0.32503@:4.18004@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:5.38432@:0.32503@:14.2014@:5.38432@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:5.38432@:0.32503@:15.2514@:5.38432@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:5.38432@:0.32503@:19.0014@:5.38432@:0@:d5@}
[40]
@{char@:64th Flag (down)@:41@:0@:5.38432@:0.32503@:22.7514@:5.38432@:0@:d6@}
[41]
@{char@:128th Flag (down)@:42@:0@:5.38432@:0.32503@:27.7514@:5.38432@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:3.00963@:4.18004@:10.80002@:-5@:4.18004@:0@:ugrace
@} [43]
@{char@:grace dash (down)@:44@:3.87672@:5.38432@:-4.95003@:10.26004@:5.38432@:0
@:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:20@}
@{parameter@:stafflinethickness@:0.50005@}
@{parameter@:staff_space@:5@}
@{parameter@:linethickness@:0.50005@}
@{parameter@:black_notehead_width@:6.58089@}
@{parameter@:ledgerlinethickness@:1.00009@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags20.tfm.
12 output files written: feta-flags20.33 .. feta-flags20.44
Transcript written on feta-flags20.log.

mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-flags20
    font_weight:               Medium
    font_identifier:           feta20
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -50
    font_underline_thickness:  25
    font_name:                 feta-flags20
    font_unique_id:            4721760
    font_size:                 19.9252801992528 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=50.1875; bpppix 0.02; nonstopmode; input feta-flags20.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-noteheads16.pt1 feta-noteheads16.pfb"...

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags20.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:20@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:4.50507@:15.2514@:0.32503@:4.50507@:0@:u3@} [33]
Invoking "fontforge -script feta-noteheads16.pe feta-noteheads16.pfb"...

@{char@:16th Flag (up)@:34@:0@:4.50507@:17.7514@:0.32503@:4.50507@:0@:u4@}
[34]
@{char@:32nd Flag (up)@:35@:0@:4.18004@:21.5014@:0.32503@:4.18004@:0@:u5@}
[35]
@{char@:64th Flag (up)@:36@:0@:4.18004@:26.5014@:0.32503@:4.18004@:0@:u6@}
[36]
@{char@:128th Flag (up)@:37@:0@:4.18004@:31.5014@:0.32503@:4.18004@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:5.38432@:0.32503@:14.2014@:5.38432@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:5.38432@:0.32503@:15.2514@:5.38432@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:5.38432@:0.32503@:19.0014@:5.38432@:0@:d5@}
[40]
@{char@:64th Flag (down)@:41@:0@:5.38432@:0.32503@:22.7514@:5.38432@:0@:d6@}
[41]
@{char@:128th Flag (down)@:42@:0@:5.38432@:0.32503@:27.7514@:5.38432@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:3.00963@:4.18004@:10.80002@:-5@:4.18004@:0@:ugrace
@} [43]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-noteheads18.pt1 feta-noteheads18.pfb"...

@{char@:grace dash (down)@:44@:3.87672@:5.38432@:-4.95003@:10.26004@:5.38432@:0
@:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:20@}
@{parameter@:stafflinethickness@:0.50005@}
@{parameter@:staff_space@:5@}
@{parameter@:linethickness@:0.50005@}
@{parameter@:black_notehead_width@:6.58089@}
@{parameter@:ledgerlinethickness@:1.00009@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags20.tfm.
12 output files written: feta-flags20.33 .. feta-flags20.44
Transcript written on feta-flags20.log.

Invoking "fontforge -script feta-noteheads18.pe feta-noteheads18.pfb"...

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-noteheads14.pt1 feta-noteheads14.pfb"...
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-flags23.mf'"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

Invoking "fontforge -script feta-noteheads14.pe feta-noteheads14.pfb"...
Failed to change locale.
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags23.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mfCopyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
)
@{font@:GNU@:LilyPond@:feta@:22.45@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:5.02545@:17.11996@:0.3387@:5.02545@:0@:u3@} [33]Failed to change locale.

@{char@:16th Flag (up)@:34@:0@:5.02545@:19.92622@:0.3387@:5.02545@:0@:u4@}
[34]
@{char@:32nd Flag (up)@:35@:0@:4.68675@:24.13559@:0.3387@:4.68675@:0@:u5@}
[35]
@{char@:64th Flag (up)@:36@:0@:4.68675@:29.7481@:0.3387@:4.68675@:0@:u6@} [36]
@{char@:128th Flag (up)@:37@:0@:4.68675@:35.3606@:0.3387@:4.68675@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:6.03876@:0.3387@:15.91684@:6.03876@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:6.03876@:0.3387@:17.11996@:6.03876@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:6.03876@:0.3387@:21.32935@:6.03876@:0@:d5@}
[40]
@{char@:64th Flag (down)@:41@:0@:6.03876@:0.3387@:25.53873@:6.03876@:0@:d6@}
[41]
@{char@:128th Flag (down)@:42@:0@:6.03876@:0.3387@:31.15123@:6.03876@:0@:d7@}
[42]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:grace dash (up)@:43@:3.37447@:4.68675@:12.12303@:-5.6125@:4.68675@:0@:u
grace@} [43]
@{char@:grace dash (down)@:44@:4.34792@:6.03876@:-5.55641@:11.5169@:6.03876@:0@
:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:22.45@}
@{parameter@:stafflinethickness@:0.52107@}
@{parameter@:staff_space@:5.6125@}
@{parameter@:linethickness@:0.52107@}
@{parameter@:black_notehead_width@:7.3881@}
@{parameter@:ledgerlinethickness@:1.04214@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )Failed to change locale.

Font metrics written on feta-flags23.tfm.
12 output files written: feta-flags23.33 .. feta-flags23.44
Transcript written on feta-flags23.log.

mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-flags23
    font_weight:               Medium
    font_identifier:           feta22.45
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -45
    font_underline_thickness:  22
    font_name:                 feta-flags23
    font_unique_id:            4886457
    font_size:                 22.3661270236613 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=44.7104677060134; bpppix 0.02; nonstopmode; input feta-flags23.mf'"...

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-flags20.pt1 feta-flags20.pfb"...

Invoking "fontforge -script feta-flags20.pe feta-flags20.pfb"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags23.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:22.45@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mfFailed to change locale.
Failed to change locale.

@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:5.02545@:17.11996@:0.3387@:5.02545@:0@:u3@} [33]Failed to change locale.

@{char@:16th Flag (up)@:34@:0@:5.02545@:19.92622@:0.3387@:5.02545@:0@:u4@}
[34]
@{char@:32nd Flag (up)@:35@:0@:4.68675@:24.13559@:0.3387@:4.68675@:0@:u5@}
[35]Failed to change locale.

@{char@:64th Flag (up)@:36@:0@:4.68675@:29.7481@:0.3387@:4.68675@:0@:u6@} [36]
@{char@:128th Flag (up)@:37@:0@:4.68675@:35.3606@:0.3387@:4.68675@:0@:u7@}
[37]
@{char@:8th Flag (down)@:38@:0@:6.03876@:0.3387@:15.91684@:6.03876@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:6.03876@:0.3387@:17.11996@:6.03876@:0@:d4@}
[39]
@{char@:32nd Flag (down)@:40@:0@:6.03876@:0.3387@:21.32935@:6.03876@:0@:d5@}
[40]
@{char@:64th Flag (down)@:41@:0@:6.03876@:0.3387@:25.53873@:6.03876@:0@:d6@}
[41]
@{char@:128th Flag (down)@:42@:0@:6.03876@:0.3387@:31.15123@:6.03876@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:3.37447@:4.68675@:12.12303@:-5.6125@:4.68675@:0@:u
grace@} [43]
@{char@:grace dash (down)@:44@:4.34792@:6.03876@:-5.55641@:11.5169@:6.03876@:0@
:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:22.45@}
@{parameter@:stafflinethickness@:0.52107@}
@{parameter@:staff_space@:5.6125@}
@{parameter@:linethickness@:0.52107@}
@{parameter@:black_notehead_width@:7.3881@}
@{parameter@:ledgerlinethickness@:1.04214@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
Font metrics written on feta-flags23.tfm.
12 output files written: feta-flags23.33 .. feta-flags23.44
Transcript written on feta-flags23.log.

*** Successfully generated feta-noteheads18.pfb! ***

*** Successfully generated feta-noteheads16.pfb! ***

*** Successfully generated feta-noteheads14.pfb! ***

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-noteheads23.pt1 feta-noteheads23.pfb"...
Failed to change locale.
( echo ./out/feta-flags26.pfb:  > out/feta-flags26.dep ) && TMP=`mktemp -d ./out/pfbtemp.feta-flags26.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=feta-flags26 --fullname=feta-flags26 --name=feta-flags26 feta-flags26.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

Invoking "fontforge -script feta-noteheads23.pe feta-noteheads23.pfb"...
( echo ./out/parmesan13.pfb:  > out/parmesan13.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan13.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan13 --fullname=parmesan13 --name=parmesan13 parmesan13.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

*** Successfully generated feta-flags20.pfb! ***

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-noteheads20.pt1 feta-noteheads20.pfb"...
( echo ./out/parmesan14.pfb:  > out/parmesan14.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan14.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan14 --fullname=parmesan14 --name=parmesan14 parmesan14.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

Invoking "fontforge -script feta-noteheads20.pe feta-noteheads20.pfb"...
( echo ./out/parmesan16.pfb:  > out/parmesan16.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan16.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan16 --fullname=parmesan16 --name=parmesan16 parmesan16.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-noteheads13.pt1 feta-noteheads13.pfb"...

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-flags23.pt1 feta-flags23.pfb"...

Invoking "fontforge -script feta-noteheads13.pe feta-noteheads13.pfb"...

Invoking "fontforge -script feta-flags23.pe feta-flags23.pfb"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-noteheads26.pt1 feta-noteheads26.pfb"...
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input feta-flags26.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags26.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mfInvoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan14.mf'"...

******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mfInvoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan13.mf'"...
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{font@:GNU@:LilyPond@:feta@:25.2@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mfInvoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan16.mf'"...

@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:5.60852@:19.21732@:0.35403@:5.60852@:0@:u3@}
[33]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:16th Flag (up)@:34@:0@:5.60852@:22.36732@:0.35403@:5.60852@:0@:u4@}
[34]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:32nd Flag (up)@:35@:0@:5.25449@:27.09232@:0.35403@:5.25449@:0@:u5@}
[35]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:64th Flag (up)@:36@:0@:5.25449@:33.39232@:0.35403@:5.25449@:0@:u6@}
[36]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan14.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
Invoking "fontforge -script feta-noteheads26.pe feta-noteheads26.pfb"...

******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mfThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:128th Flag (up)@:37@:0@:5.25449@:39.69232@:0.35403@:5.25449@:0@:u7@}
[37](./mf2pt1.mp)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:8th Flag (down)@:38@:0@:6.77202@:0.35403@:17.84232@:6.77202@:0@:d3@}
[38]
@{char@:16th Flag (down) 3@:39@:0@:6.77202@:0.35403@:19.21732@:6.77202@:0@:d4@}
[39])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:32nd Flag (down)@:40@:0@:6.77202@:0.35403@:23.94232@:6.77202@:0@:d5@}
[40]
@{font@:GNU@:LilyPond@:parmesan@:14.14@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mfFailed to change locale.

@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:4.242@:3.535@:3.535@:4.242@:0@:M3neome
nsural@} [33])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan16.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Neo-mensural longa rest@:34@:0@:1.414@:3.535@:3.535@:1.414@:0@:M2neomen
sural@} [34])
@{char@:64th Flag (down)@:41@:0@:6.77202@:0.35403@:28.66733@:6.77202@:0@:d6@}
[41]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Neo-mensural breve rest@:35@:0@:1.414@:0@:3.535@:1.414@:0@:M1neomensura
l@} [35] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Neo-mensural whole rest@:36@:0@:1.414@:2.20938@:0@:1.414@:0@:0neomensur
al@} [36]
@{char@:128th Flag (down)@:42@:0@:6.77202@:0.35403@:34.96733@:6.77202@:0@:d7@}
[42])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Neo-mensural half rest@:37@:0@:1.414@:0@:2.20938@:1.414@:0@:1neomensura
l@} [37]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan13.mf
@{char@:grace dash (up)@:43@:3.78323@:5.25449@:13.60803@:-6.3@:5.25449@:0@:ugra
ce@} [43]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
*** Successfully generated feta-flags23.pfb! ***

@{char@:grace dash (down)@:44@:4.87585@:6.77202@:-6.23703@:12.92766@:6.77202@:0
@:dgrace@} [44]
@{puorg@:flags@}
)
@{parameter@:staffsize@:25.2@}
@{parameter@:stafflinethickness@:0.54466@}
@{parameter@:staff_space@:6.3@}
@{parameter@:linethickness@:0.54466@}
@{parameter@:black_notehead_width@:8.29259@}
@{parameter@:ledgerlinethickness@:1.08932@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@})
@{char@:Neo-mensural 4th rest@:38@:0@:2.82802@:0@:2.82802@:2.82802@:0@:2neomens
ural@} [38] ) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf)
@{font@:GNU@:LilyPond@:parmesan@:15.87@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
Font metrics written on feta-flags26.tfm.
12 output files written: feta-flags26.33 .. feta-flags26.44
Transcript written on feta-flags26.log.

@{char@:Neo-mensural 8th rest@:39@:0@:2.82802@:0@:2.82802@:2.82802@:0@:3neomens
ural@} [39]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:4.76102@:3.9675@:3.9675@:4.76102@:0@:M
3neomensural@} [33]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Neo-mensural 16th rest@:40@:0@:2.82802@:0@:3.535@:2.82802@:0@:4neomensu
ral@} [40]
@{char@:Neo-mensural longa rest@:34@:0@:1.587@:3.9675@:3.9675@:1.587@:0@:M2neom
ensural@} [34]
@{char@:Mensural maxima rest@:41@:0@:1.06052@:3.535@:7.07@:1.06052@:0@:M3mensur
al@} [41]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               feta-flags26
    font_weight:               Medium
    font_identifier:           feta25.2
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -40
    font_underline_thickness:  20
    font_name:                 feta-flags26
    font_unique_id:            4400503
    font_size:                 25.1058530510585 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=39.8313492063492; bpppix 0.02; nonstopmode; input feta-flags26.mf'"...

@{char@:Neo-mensural breve rest@:35@:0@:1.587@:0@:3.9675@:1.587@:0@:M1neomensur
al@} [35]
@{char@:Mensural longa rest@:42@:0@:1.06052@:3.535@:3.535@:1.06052@:0@:M2mensur
al@} [42]
@{char@:Neo-mensural whole rest@:36@:0@:1.587@:2.47969@:0@:1.587@:0@:0neomensur
al@} [36]
@{char@:Mensural breve rest@:43@:0@:1.06052@:0@:3.535@:1.06052@:0@:M1mensural@}
[43]
@{char@:Mensural whole rest@:44@:0@:1.06052@:2.20938@:0@:1.06052@:0@:0mensural@
} [44])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:12.6@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{char@:Mensural half rest@:45@:0@:1.06052@:0@:2.20938@:1.06052@:0@:1mensural@}
[45]
@{char@:Neo-mensural half rest@:37@:0@:1.587@:0@:2.47969@:1.587@:0@:1neomensura
l@} [37]
@{char@:Mensural 4th rest@:46@:0@:2.82802@:0@:2.82802@:2.82802@:0@:2mensural@}
[46]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:3.78003@:3.15001@:3.15001@:3.78003@:0@
:M3neomensural@} [33]
@{char@:Neo-mensural longa rest@:34@:0@:1.26001@:3.15001@:3.15001@:1.26001@:0@:
M2neomensural@} [34]
@{char@:Mensural 8th rest@:47@:0@:2.82802@:0@:2.82802@:2.82802@:0@:3mensural@}
[47]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Neo-mensural 4th rest@:38@:0@:3.17401@:0@:3.17401@:3.17401@:0@:2neomens
ural@} [38](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp( echo ./out/parmesan18.pfb:  > out/parmesan18.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan18.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan18 --fullname=parmesan18 --name=parmesan18 parmesan18.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Mensural 16th rest@:48@:0@:2.82802@:0@:3.535@:2.82802@:0@:4mensural@}
[48]
@{puorg@:rests@}
)
@{char@:Neo-mensural breve rest@:35@:0@:1.26001@:0@:3.15001@:1.26001@:0@:M1neom
ensural@} [35] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Neo-mensural 8th rest@:39@:0@:3.17401@:0@:3.17401@:3.17401@:0@:3neomens
ural@} [39]
@{char@:Neo-mensural whole rest@:36@:0@:1.26001@:1.96875@:0@:1.26001@:0@:0neome
nsural@} [36]
@{char@:Neo-mensural 16th rest@:40@:0@:3.17401@:0@:3.9675@:3.17401@:0@:4neomens
ural@} [40]Failed to change locale.

@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.7675@:2.82802@:2.82802@:1.7675@:0@:vaticana.
do@} [49]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Neo-mensural half rest@:37@:0@:1.26001@:0@:1.96875@:1.26001@:0@:1neomen
sural@} [37]
@{char@:Mensural maxima rest@:41@:0@:1.19026@:3.9675@:7.935@:1.19026@:0@:M3mens
ural@} [41]
@{char@:Mensural longa rest@:42@:0@:1.19026@:3.9675@:3.9675@:1.19026@:0@:M2mens
ural@} [42]
@{char@:Ed. Vat. do clef@:50@:0@:1.7675@:2.82802@:2.82802@:1.7675@:0@:vaticana.
do_change@} [50])
@{char@:Mensural breve rest@:43@:0@:1.19026@:0@:3.9675@:1.19026@:0@:M1mensural@
} [43]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags26.mf
@{char@:Neo-mensural 4th rest@:38@:0@:2.52002@:0@:2.52002@:2.52002@:0@:2neomens
ural@} [38]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags-generic.mf
@{char@:Mensural whole rest@:44@:0@:1.19026@:2.47969@:0@:1.19026@:0@:0mensural@
} [44]Failed to change locale.

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Neo-mensural 8th rest@:39@:0@:2.52002@:0@:2.52002@:2.52002@:0@:3neomens
ural@} [39]
@{char@:Mensural half rest@:45@:0@:1.19026@:0@:2.47969@:1.19026@:0@:1mensural@}
[45]
@{char@:Ed. Vat. fa clef@:51@:0@:3.71176@:5.3025@:2.82802@:3.71176@:0@:vaticana
.fa@} [51]
@{char@:Mensural 4th rest@:46@:0@:3.17401@:0@:3.17401@:3.17401@:0@:2mensural@}
[46])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Neo-mensural 16th rest@:40@:0@:2.52002@:0@:3.15001@:2.52002@:0@:4neomen
sural@} [40]
@{char@:Mensural 8th rest@:47@:0@:3.17401@:0@:3.17401@:3.17401@:0@:3mensural@}
[47])
@{char@:Mensural maxima rest@:41@:0@:0.945@:3.15001@:6.30002@:0.945@:0@:M3mensu
ral@} [41]
@{char@:Ed. Vat. fa clef@:52@:0@:3.71176@:5.3025@:2.82802@:3.71176@:0@:vaticana
.fa_change@} [52]
@{char@:Mensural longa rest@:42@:0@:0.945@:3.15001@:3.15001@:0.945@:0@:M2mensur
al@} [42]
@{font@:GNU@:LilyPond@:feta@:25.2@:fetaMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-flags.mf
@{char@:Mensural 16th rest@:48@:0@:3.17401@:0@:3.9675@:3.17401@:0@:4mensural@}
[48]
@{puorg@:rests@}
)
@{char@:Mensural breve rest@:43@:0@:0.945@:0@:3.15001@:0.945@:0@:M1mensural@}
[43] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Ed. Med. do clef@:53@:0@:3.535@:5.3025@:5.3025@:3.535@:0@:medicaea.do@}
[53]
@{char@:Mensural whole rest@:44@:0@:0.945@:1.96875@:0@:0.945@:0@:0mensural@}
[44]
@{char@:Mensural half rest@:45@:0@:0.945@:0@:1.96875@:0.945@:0@:1mensural@}
[45]
@{char@:Mensural 4th rest@:46@:0@:2.52002@:0@:2.52002@:2.52002@:0@:2mensural@}
[46]
@{char@:Ed. Med. do clef@:54@:0@:2.82802@:4.24203@:4.24203@:2.82802@:0@:medicae
a.do_change@} [54]
@{group@:flags@}
@{char@:8th Flag (up)@:33@:0@:5.60852@:19.21732@:0.35403@:5.60852@:0@:u3@}
[33]
@{char@:Mensural 8th rest@:47@:0@:2.52002@:0@:2.52002@:2.52002@:0@:3mensural@}
[47]
*** Successfully generated feta-noteheads23.pfb! ***

@{char@:Mensural 16th rest@:48@:0@:2.52002@:0@:3.15001@:2.52002@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:16th Flag (up)@:34@:0@:5.60852@:22.36732@:0.35403@:5.60852@:0@:u4@}
[34]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.57501@:2.52002@:2.52002@:1.57501@:0@:vatican
a.do@} [49]
@{char@:32nd Flag (up)@:35@:0@:5.25449@:27.09232@:0.35403@:5.25449@:0@:u5@}
[35]
@{char@:Ed. Med. fa clef@:55@:0@:6.00949@:5.3025@:5.3025@:6.00949@:0@:medicaea.
fa@} [55]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.98375@:3.17401@:3.17401@:1.98375@:0@:vatican
a.do@} [49]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

*** Successfully generated feta-noteheads20.pfb! ***

@{char@:Ed. Vat. do clef@:50@:0@:1.57501@:2.52002@:2.52002@:1.57501@:0@:vatican
a.do_change@} [50]
@{char@:Ed. Vat. do clef@:50@:0@:1.98375@:3.17401@:3.17401@:1.98375@:0@:vatican
a.do_change@} [50]
@{char@:Ed. Med. fa clef@:56@:0@:4.80762@:4.24203@:4.24203@:4.80762@:0@:medicae
a.fa_change@} [56]
@{char@:64th Flag (up)@:36@:0@:5.25449@:33.39232@:0.35403@:5.25449@:0@:u6@}
[36]
@{char@:Ed. Vat. fa clef@:51@:0@:3.30753@:4.72502@:2.52002@:3.30753@:0@:vatican
a.fa@} [51]
@{char@:128th Flag (up)@:37@:0@:5.25449@:39.69232@:0.35403@:5.25449@:0@:u7@}
[37]
@{char@:Ed. Vat. fa clef@:51@:0@:4.16588@:5.95125@:3.17401@:4.16588@:0@:vatican
a.fa@} [51]
@{char@:8th Flag (down)@:38@:0@:6.77202@:0.35403@:17.84232@:6.77202@:0@:d3@}
[38]
@{char@:neo-mensural c clef@:57@:0@:9.76862@:7.07@:7.07@:9.76862@:0@:neomensura
l.c@} [57]( echo ./out/parmesan20.pfb:  > out/parmesan20.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan20.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan20 --fullname=parmesan20 --name=parmesan20 parmesan20.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:16th Flag (down) 3@:39@:0@:6.77202@:0.35403@:19.21732@:6.77202@:0@:d4@}
[39]
@{char@:Ed. Vat. fa clef@:52@:0@:4.16588@:5.95125@:3.17401@:4.16588@:0@:vatican
a.fa_change@} [52]
@{char@:32nd Flag (down)@:40@:0@:6.77202@:0.35403@:23.94232@:6.77202@:0@:d5@}
[40]
@{char@:Ed. Vat. fa clef@:52@:0@:3.30753@:4.72502@:2.52002@:3.30753@:0@:vatican
a.fa_change@} [52]Failed to change locale.

@{char@:Ed. Med. do clef@:53@:0@:3.9675@:5.95125@:5.95125@:3.9675@:0@:medicaea.
do@} [53]
@{char@:64th Flag (down)@:41@:0@:6.77202@:0.35403@:28.66733@:6.77202@:0@:d6@}
[41]
@{char@:neo-mensural c clef@:58@:0@:7.81494@:5.65604@:5.65604@:7.81494@:0@:neom
ensural.c_change@} [58]
@{char@:Ed. Med. do clef@:54@:0@:3.17401@:4.76102@:4.76102@:3.17401@:0@:medicae
a.do_change@} [54]
@{char@:Ed. Med. do clef@:53@:0@:3.15001@:4.72502@:4.72502@:3.15001@:0@:medicae
a.do@} [53]
@{char@:128th Flag (down)@:42@:0@:6.77202@:0.35403@:34.96733@:6.77202@:0@:d7@}
[42]
@{char@:grace dash (up)@:43@:3.78323@:5.25449@:13.60803@:-6.3@:5.25449@:0@:ugra
ce@} [43]
@{char@:grace dash (down)@:44@:4.87585@:6.77202@:-6.23703@:12.92766@:6.77202@:0
@:dgrace@} [44]
@{puorg@:flags@}
)
@{char@:Ed. Med. fa clef@:55@:0@:6.74474@:5.95125@:5.95125@:6.74474@:0@:medicae
a.fa@} [55]
@{parameter@:staffsize@:25.2@}
@{parameter@:stafflinethickness@:0.54466@}
@{parameter@:staff_space@:6.3@}
@{parameter@:linethickness@:0.54466@}
@{parameter@:black_notehead_width@:8.29259@}
@{parameter@:ledgerlinethickness@:1.08932@}
@{parameter@:blot_diameter@:0.4@}
@{tnof@}) )
@{char@:Ed. Med. do clef@:54@:0@:2.52002@:3.78003@:3.78003@:2.52002@:0@:medicae
a.do_change@} [54]
Font metrics written on feta-flags26.tfm.
12 output files written: feta-flags26.33 .. feta-flags26.44
Transcript written on feta-flags26.log.

@{char@:petrucci c1 clef@:59@:0@:3.535@:4.94899@:11.312@:3.535@:0@:petrucci.c1@
} [59]( echo ./out/parmesan23.pfb:  > out/parmesan23.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan23.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan23 --fullname=parmesan23 --name=parmesan23 parmesan23.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Ed. Med. fa clef@:56@:0@:5.39581@:4.76102@:4.76102@:5.39581@:0@:medicae
a.fa_change@} [56]
@{char@:Ed. Med. fa clef@:55@:0@:5.35501@:4.72502@:4.72502@:5.35501@:0@:medicae
a.fa@} [55]
@{char@:petrucci c1 clef@:60@:0@:2.82802@:4.42648@:10.11772@:2.82802@:0@:petruc
ci.c1_change@} [60]
@{char@:Ed. Med. fa clef@:56@:0@:4.28403@:3.78003@:3.78003@:4.28403@:0@:medicae
a.fa_change@} [56]
@{char@:neo-mensural c clef@:57@:0@:10.72269@:7.935@:7.935@:10.72269@:0@:neomen
sural.c@} [57]Failed to change locale.

@{char@:petrucci c2 clef@:61@:0@:3.535@:8.484@:11.312@:3.535@:0@:petrucci.c2@}
[61]
@{char@:neo-mensural c clef@:57@:0@:8.91934@:6.30002@:6.30002@:8.91934@:0@:neom
ensural.c@} [57]
@{char@:neo-mensural c clef@:58@:0@:7.1355@:5.04004@:5.04004@:7.1355@:0@:neomen
sural.c_change@} [58]
*** Successfully generated feta-noteheads13.pfb! ***

@{char@:neo-mensural c clef@:58@:0@:8.57816@:6.34802@:6.34802@:8.57816@:0@:neom
ensural.c_change@} [58]
@{char@:petrucci c1 clef@:59@:0@:3.15001@:4.40999@:10.08002@:3.15001@:0@:petruc
ci.c1@} [59]
@{char@:petrucci c1 clef@:59@:0@:3.9675@:5.55447@:12.69598@:3.9675@:0@:petrucci
.c1@} [59]
@{char@:petrucci c2 clef@:62@:0@:2.82802@:7.58827@:10.11772@:2.82802@:0@:petruc
ci.c2_change@} [62]( echo ./out/parmesan26.pfb:  > out/parmesan26.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan26.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan26 --fullname=parmesan26 --name=parmesan26 parmesan26.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:petrucci c1 clef@:60@:0@:2.52002@:3.9444@:9.01581@:2.52002@:0@:petrucci
.c1_change@} [60]
@{char@:petrucci c3 clef@:63@:0@:3.535@:11.312@:11.312@:3.535@:0@:petrucci.c3@}
[63]
@{char@:petrucci c1 clef@:60@:0@:3.17401@:4.96806@:11.3556@:3.17401@:0@:petrucc
i.c1_change@} [60]
@{char@:petrucci c2 clef@:61@:0@:3.15001@:7.56@:10.08002@:3.15001@:0@:petrucci.
c2@} [61]
@{char@:petrucci c2 clef@:62@:0@:2.52002@:6.76184@:9.01581@:2.52002@:0@:petrucc
i.c2_change@} [62]
@{char@:petrucci c3 clef@:64@:0@:2.82802@:10.11772@:10.11772@:2.82802@:0@:petru
cci.c3_change@} [64]
@{char@:petrucci c2 clef@:61@:0@:3.9675@:9.52197@:12.69598@:3.9675@:0@:petrucci
.c2@} [61]
@{char@:petrucci c3 clef@:63@:0@:3.15001@:10.08002@:10.08002@:3.15001@:0@:petru
cci.c3@} [63]
@{char@:petrucci c3 clef@:64@:0@:2.52002@:9.01581@:9.01581@:2.52002@:0@:petrucc
i.c3_change@} [64]
@{char@:petrucci c2 clef@:62@:0@:3.17401@:8.5167@:11.3556@:3.17401@:0@:petrucci
.c2_change@} [62]
@{char@:petrucci c4 clef@:65@:0@:3.535@:11.312@:8.484@:3.535@:0@:petrucci.c4@}
[65]
@{char@:petrucci c3 clef@:63@:0@:3.9675@:12.69598@:12.69598@:3.9675@:0@:petrucc
i.c3@} [63]
@{char@:petrucci c4 clef@:65@:0@:3.15001@:10.08002@:7.56@:3.15001@:0@:petrucci.
c4@} [65]
@{char@:petrucci c4 clef@:66@:0@:2.82802@:10.11772@:7.58827@:2.82802@:0@:petruc
ci.c4_change@} [66]
@{char@:petrucci c3 clef@:64@:0@:3.17401@:11.3556@:11.3556@:3.17401@:0@:petrucc
i.c3_change@} [64]
@{char@:petrucci c4 clef@:66@:0@:2.52002@:9.01581@:6.76184@:2.52002@:0@:petrucc
i.c4_change@} [66]
@{char@:petrucci c5 clef@:67@:0@:3.535@:11.312@:4.94899@:3.535@:0@:petrucci.c5@
} [67]
@{char@:petrucci c4 clef@:65@:0@:3.9675@:12.69598@:9.52197@:3.9675@:0@:petrucci
.c4@} [65]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan18.mf'"...

@{char@:petrucci c5 clef@:68@:0@:2.82802@:10.11772@:4.42648@:2.82802@:0@:petruc
ci.c5_change@} [68]
@{char@:petrucci c5 clef@:67@:0@:3.15001@:10.08002@:4.40999@:3.15001@:0@:petruc
ci.c5@} [67]
@{char@:petrucci c4 clef@:66@:0@:3.17401@:11.3556@:8.5167@:3.17401@:0@:petrucci
.c4_change@} [66]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm feta-flags26.pt1 feta-flags26.pfb"...

@{char@:mensural c clef@:69@:0@:4.16467@:7.777@:7.777@:4.16467@:0@:mensural.c@}
[69]
@{char@:petrucci c5 clef@:67@:0@:3.9675@:12.69598@:5.55447@:3.9675@:0@:petrucci
.c5@} [67]
@{char@:petrucci c5 clef@:68@:0@:2.52002@:9.01581@:3.9444@:2.52002@:0@:petrucci
.c5_change@} [68]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:mensural c clef@:69@:0@:3.76118@:6.93001@:6.93001@:3.76118@:0@:mensural
.c@} [69]
Invoking "fontforge -script feta-flags26.pe feta-flags26.pfb"...

@{char@:mensural c clef@:70@:0@:3.45769@:6.22163@:6.22163@:3.45769@:0@:mensural
.c_change@} [70])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan18.mf
@{char@:mensural c clef@:70@:0@:3.1312@:5.54404@:5.54404@:3.1312@:0@:mensural.c
_change@} [70]
@{char@:petrucci c5 clef@:68@:0@:3.17401@:11.3556@:4.96806@:3.17401@:0@:petrucc
i.c5_change@} [68]
@{char@:black mensural c clef@:71@:0@:4.16467@:7.777@:7.777@:4.16467@:0@:blackm
ensural.c@} [71]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:black mensural c clef@:71@:0@:3.76118@:6.93001@:6.93001@:3.76118@:0@:bl
ackmensural.c@} [71]
@{char@:black mensural c clef@:72@:0@:3.45769@:6.22163@:6.22163@:3.45769@:0@:bl
ackmensural.c_change@} [72]
@{char@:mensural c clef@:69@:0@:4.61795@:8.72849@:8.72849@:4.61795@:0@:mensural
.c@} [69]
@{char@:black mensural c clef@:72@:0@:3.1312@:5.54404@:5.54404@:3.1312@:0@:blac
kmensural.c_change@} [72]Failed to change locale.

@{char@:mensural c clef@:70@:0@:3.82446@:6.98282@:6.98282@:3.82446@:0@:mensural
.c_change@} [70]
@{char@:black mensural c clef@:71@:0@:4.61795@:8.72849@:8.72849@:4.61795@:0@:bl
ackmensural.c@} [71]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
@{char@:black mensural c clef@:72@:0@:3.82446@:6.98282@:6.98282@:3.82446@:0@:bl
ackmensural.c_change@} [72]
@{char@:petrucci f clef@:73@:0@:6.88057@:15.90752@:8.83751@:6.88057@:0@:petrucc
i.f@} [73]
@{char@:petrucci f clef@:73@:0@:6.13123@:14.17505@:7.87503@:6.13123@:0@:petrucc
i.f@} [73]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
*** Successfully generated feta-noteheads26.pfb! ***

@{char@:petrucci f clef@:73@:0@:7.7224@:17.85374@:9.91875@:7.7224@:0@:petrucci.
f@} [73])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:petrucci f clef@:74@:0@:4.905@:11.34009@:6.30005@:4.905@:0@:petrucci.f_
change@} [74])
@{char@:petrucci f clef@:74@:0@:6.17793@:14.28305@:7.93503@:6.17793@:0@:petrucc
i.f_change@} [74]
@{font@:GNU@:LilyPond@:parmesan@:17.82@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:5.346@:4.455@:4.455@:5.346@:0@:M3neome
nsural@} [33]
@{char@:Neo-mensural longa rest@:34@:0@:1.782@:4.455@:4.455@:1.782@:0@:M2neomen
sural@} [34]
@{char@:mensural f clef@:75@:0@:3.78@:1.89@:1.89@:3.78@:0@:mensural.f@} [75]
@{char@:Neo-mensural breve rest@:35@:0@:1.782@:0@:4.455@:1.782@:0@:M1neomensura
l@} [35]
@{char@:Neo-mensural whole rest@:36@:0@:1.782@:2.78438@:0@:1.782@:0@:0neomensur
al@} [36]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan20.mf'"...
( echo ./out/parmesan-noteheads13.pfb:  > out/parmesan-noteheads13.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan-noteheads13.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan-noteheads13 --fullname=parmesan-noteheads13 --name=parmesan-noteheads13 parmesan-noteheads13.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:petrucci f clef@:74@:0@:5.50449@:12.72606@:7.07004@:5.50449@:0@:petrucc
i.f_change@} [74]
@{char@:Neo-mensural half rest@:37@:0@:1.782@:0@:2.78438@:1.782@:0@:1neomensura
l@} [37]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan23.mf'"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan26.mf'"...

@{char@:Neo-mensural 4th rest@:38@:0@:3.56401@:0@:3.56401@:3.56401@:0@:2neomens
ural@} [38]Failed to change locale.

@{char@:mensural f clef@:75@:0@:4.76099@:2.3805@:2.3805@:4.76099@:0@:mensural.f
@} [75]
@{char@:mensural f clef@:76@:0@:3.02402@:1.51201@:1.51201@:3.02402@:0@:mensural
.f_change@} [76](./mf2pt1.mp
@{char@:mensural f clef@:75@:0@:4.24199@:2.121@:2.121@:4.24199@:0@:mensural.f@}
[75] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mpThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:mensural f clef@:76@:0@:3.8088@:1.9044@:1.9044@:3.8088@:0@:mensural.f_c
hange@} [76]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan23.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan20.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:mensural f clef@:76@:0@:3.3936@:1.69681@:1.69681@:3.3936@:0@:mensural.f
_change@} [76]))
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan26.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{font@:GNU@:LilyPond@:parmesan@:22.45@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:6.73499@:5.6125@:5.6125@:6.73499@:0@:M
3neomensural@} [33]))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{char@:Neo-mensural 8th rest@:39@:0@:3.56401@:0@:3.56401@:3.56401@:0@:3neomens
ural@} [39]
@{char@:Neo-mensural longa rest@:34@:0@:2.245@:5.6125@:5.6125@:2.245@:0@:M2neom
ensural@} [34]
@{font@:GNU@:LilyPond@:parmesan@:20@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf)
@{char@:Neo-mensural breve rest@:35@:0@:2.245@:0@:5.6125@:2.245@:0@:M1neomensur
al@} [35]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:Neo-mensural whole rest@:36@:0@:2.245@:3.50781@:0@:2.245@:0@:0neomensur
al@} [36])
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:6@:5@:5@:6@:0@:M3neomensural@} [33]
@{font@:GNU@:LilyPond@:parmesan@:25.2@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{char@:Neo-mensural half rest@:37@:0@:2.245@:0@:3.50781@:2.245@:0@:1neomensura
l@} [37]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:7.56001@:6.3@:6.3@:7.56001@:0@:M3neome
nsural@} [33]
@{char@:Neo-mensural longa rest@:34@:0@:2@:5@:5@:2@:0@:M2neomensural@} [34]
@{char@:Neo-mensural longa rest@:34@:0@:2.52@:6.3@:6.3@:2.52@:0@:M2neomensural@
} [34]
@{char@:Neo-mensural 4th rest@:38@:0@:4.49002@:0@:4.49002@:4.49002@:0@:2neomens
ural@} [38]
@{char@:Neo-mensural breve rest@:35@:0@:2.52@:0@:6.3@:2.52@:0@:M1neomensural@}
[35]
@{char@:Neo-mensural breve rest@:35@:0@:2@:0@:5@:2@:0@:M1neomensural@} [35]
@{char@:Neo-mensural 16th rest@:40@:0@:3.56401@:0@:4.455@:3.56401@:0@:4neomensu
ral@} [40]
@{char@:Neo-mensural 8th rest@:39@:0@:4.49002@:0@:4.49002@:4.49002@:0@:3neomens
ural@} [39]
@{char@:petrucci g clef@:77@:0@:3.93752@:2.04749@:11.97005@:3.93752@:0@:petrucc
i.g@} [77]
@{char@:Neo-mensural whole rest@:36@:0@:2.52@:3.9375@:0@:2.52@:0@:0neomensural@
} [36]
@{char@:Neo-mensural whole rest@:36@:0@:2@:3.125@:0@:2@:0@:0neomensural@} [36]
@{char@:Mensural maxima rest@:41@:0@:1.33652@:4.455@:8.91@:1.33652@:0@:M3mensur
al@} [41]
@{char@:Neo-mensural half rest@:37@:0@:2@:0@:3.125@:2@:0@:1neomensural@} [37]
@{char@:Mensural longa rest@:42@:0@:1.33652@:4.455@:4.455@:1.33652@:0@:M2mensur
al@} [42]
@{char@:Neo-mensural half rest@:37@:0@:2.52@:0@:3.9375@:2.52@:0@:1neomensural@}
[37]
@{char@:Mensural breve rest@:43@:0@:1.33652@:0@:4.455@:1.33652@:0@:M1mensural@}
[43]
@{char@:Neo-mensural 4th rest@:38@:0@:4.00002@:0@:4.00002@:4.00002@:0@:2neomens
ural@} [38]
@{char@:Neo-mensural 16th rest@:40@:0@:4.49002@:0@:5.6125@:4.49002@:0@:4neomens
ural@} [40]
@{char@:Neo-mensural 4th rest@:38@:0@:5.04002@:0@:5.04002@:5.04002@:0@:2neomens
ural@} [38]
@{char@:Mensural whole rest@:44@:0@:1.33652@:2.78438@:0@:1.33652@:0@:0mensural@
} [44]
@{char@:petrucci g clef@:77@:0@:4.95938@:2.57886@:15.0765@:4.95938@:0@:petrucci
.g@} [77]
@{char@:Mensural maxima rest@:41@:0@:1.68376@:5.6125@:11.225@:1.68376@:0@:M3men
sural@} [41]
@{char@:Mensural half rest@:45@:0@:1.33652@:0@:2.78438@:1.33652@:0@:1mensural@}
[45]
@{char@:Neo-mensural 8th rest@:39@:0@:5.04002@:0@:5.04002@:5.04002@:0@:3neomens
ural@} [39]
@{char@:Mensural longa rest@:42@:0@:1.68376@:5.6125@:5.6125@:1.68376@:0@:M2mens
ural@} [42]
@{char@:Neo-mensural 8th rest@:39@:0@:4.00002@:0@:4.00002@:4.00002@:0@:3neomens
ural@} [39]
@{char@:Mensural 4th rest@:46@:0@:3.56401@:0@:3.56401@:3.56401@:0@:2mensural@}
[46]
@{char@:Neo-mensural 16th rest@:40@:0@:5.04002@:0@:6.3@:5.04002@:0@:4neomensura
l@} [40]
@{char@:Mensural 8th rest@:47@:0@:3.56401@:0@:3.56401@:3.56401@:0@:3mensural@}
[47]
@{char@:Neo-mensural 16th rest@:40@:0@:4.00002@:0@:5@:4.00002@:0@:4neomensural@
} [40]
@{char@:Mensural breve rest@:43@:0@:1.68376@:0@:5.6125@:1.68376@:0@:M1mensural@
} [43]
@{char@:Mensural maxima rest@:41@:0@:1.89001@:6.3@:12.6@:1.89001@:0@:M3mensural
@} [41]
@{char@:Mensural maxima rest@:41@:0@:1.50002@:5@:10@:1.50002@:0@:M3mensural@}
[41]
@{char@:petrucci g clef@:77@:0@:4.41876@:2.29773@:13.43303@:4.41876@:0@:petrucc
i.g@} [77]
@{char@:Mensural 16th rest@:48@:0@:3.56401@:0@:4.455@:3.56401@:0@:4mensural@}
[48]
@{puorg@:rests@}
)
@{char@:Mensural whole rest@:44@:0@:1.68376@:3.50781@:0@:1.68376@:0@:0mensural@
} [44] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Mensural longa rest@:42@:0@:1.89001@:6.3@:6.3@:1.89001@:0@:M2mensural@}
[42]
@{char@:Mensural longa rest@:42@:0@:1.50002@:5@:5@:1.50002@:0@:M2mensural@}
[42]
@{char@:Mensural half rest@:45@:0@:1.68376@:0@:3.50781@:1.68376@:0@:1mensural@}
[45]
@{char@:Mensural breve rest@:43@:0@:1.89001@:0@:6.3@:1.89001@:0@:M1mensural@}
[43]
@{char@:Mensural breve rest@:43@:0@:1.50002@:0@:5@:1.50002@:0@:M1mensural@}
[43]
@{char@:Mensural 4th rest@:46@:0@:4.49002@:0@:4.49002@:4.49002@:0@:2mensural@}
[46]
@{char@:Mensural whole rest@:44@:0@:1.89001@:3.9375@:0@:1.89001@:0@:0mensural@}
[44]
@{char@:Mensural whole rest@:44@:0@:1.50002@:3.125@:0@:1.50002@:0@:0mensural@}
[44]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:2.22751@:3.56401@:3.56401@:2.22751@:0@:vatican
a.do@} [49]
@{char@:Mensural half rest@:45@:0@:1.89001@:0@:3.9375@:1.89001@:0@:1mensural@}
[45]
@{char@:Mensural 8th rest@:47@:0@:4.49002@:0@:4.49002@:4.49002@:0@:3mensural@}
[47]
@{char@:Mensural half rest@:45@:0@:1.50002@:0@:3.125@:1.50002@:0@:1mensural@}
[45]
@{char@:Mensural 4th rest@:46@:0@:5.04002@:0@:5.04002@:5.04002@:0@:2mensural@}
[46]
@{char@:Ed. Vat. do clef@:50@:0@:2.22751@:3.56401@:3.56401@:2.22751@:0@:vatican
a.do_change@} [50]
@{char@:Mensural 16th rest@:48@:0@:4.49002@:0@:5.6125@:4.49002@:0@:4mensural@}
[48]
@{puorg@:rests@}
)
@{char@:Mensural 4th rest@:46@:0@:4.00002@:0@:4.00002@:4.00002@:0@:2mensural@}
[46] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Mensural 8th rest@:47@:0@:5.04002@:0@:5.04002@:5.04002@:0@:3mensural@}
[47]
@{char@:Mensural 8th rest@:47@:0@:4.00002@:0@:4.00002@:4.00002@:0@:3mensural@}
[47]
@{char@:petrucci g clef@:78@:0@:3.15002@:1.638@:9.57608@:3.15002@:0@:petrucci.g
_change@} [78]
@{char@:Mensural 16th rest@:48@:0@:5.04002@:0@:6.3@:5.04002@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:2.80626@:4.49002@:4.49002@:2.80626@:0@:vatican
a.do@} [49]
@{char@:Mensural 16th rest@:48@:0@:4.00002@:0@:5@:4.00002@:0@:4mensural@} [48]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Ed. Vat. fa clef@:51@:0@:4.67776@:6.68251@:3.56401@:4.67776@:0@:vatican
a.fa@} [51]
@{char@:Ed. Vat. do clef@:50@:0@:2.80626@:4.49002@:4.49002@:2.80626@:0@:vatican
a.do_change@} [50]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:3.15001@:5.04002@:5.04002@:3.15001@:0@:vatican
a.do@} [49]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:2.5@:4.00002@:4.00002@:2.5@:0@:vaticana.do@}
[49]
@{char@:petrucci g clef@:78@:0@:3.96751@:2.0631@:12.06125@:3.96751@:0@:petrucci
.g_change@} [78]
@{char@:Ed. Vat. do clef@:50@:0@:3.15001@:5.04002@:5.04002@:3.15001@:0@:vatican
a.do_change@} [50]
@{char@:Ed. Vat. fa clef@:52@:0@:4.67776@:6.68251@:3.56401@:4.67776@:0@:vatican
a.fa_change@} [52]
@{char@:Ed. Vat. do clef@:50@:0@:2.5@:4.00002@:4.00002@:2.5@:0@:vaticana.do_cha
nge@} [50]Failed to change locale.

@{char@:Ed. Vat. fa clef@:51@:0@:5.89314@:8.41876@:4.49002@:5.89314@:0@:vatican
a.fa@} [51]
@{char@:Ed. Vat. fa clef@:51@:0@:5.25002@:7.5@:4.00002@:5.25002@:0@:vaticana.fa
@} [51]
@{char@:Ed. Med. do clef@:53@:0@:4.455@:6.68251@:6.68251@:4.455@:0@:medicaea.do
@} [53]
@{char@:Ed. Vat. fa clef@:52@:0@:5.89314@:8.41876@:4.49002@:5.89314@:0@:vatican
a.fa_change@} [52]
@{char@:Ed. Vat. fa clef@:51@:0@:6.61502@:9.45001@:5.04002@:6.61502@:0@:vatican
a.fa@} [51]
@{char@:Ed. Med. do clef@:54@:0@:3.56401@:5.34602@:5.34602@:3.56401@:0@:medicae
a.do_change@} [54]
@{char@:Ed. Vat. fa clef@:52@:0@:5.25002@:7.5@:4.00002@:5.25002@:0@:vaticana.fa
_change@} [52]
@{char@:Ed. Med. do clef@:53@:0@:5.6125@:8.41876@:8.41876@:5.6125@:0@:medicaea.
do@} [53]
@{char@:Ed. Vat. fa clef@:52@:0@:6.61502@:9.45001@:5.04002@:6.61502@:0@:vatican
a.fa_change@} [52]
@{char@:Ed. Med. do clef@:53@:0@:5@:7.5@:7.5@:5@:0@:medicaea.do@} [53]
@{char@:Ed. Med. fa clef@:55@:0@:7.57349@:6.68251@:6.68251@:7.57349@:0@:medicae
a.fa@} [55]
@{char@:Ed. Med. do clef@:54@:0@:4.49002@:6.73503@:6.73503@:4.49002@:0@:medicae
a.do_change@} [54]
@{char@:Ed. Med. do clef@:54@:0@:4.00002@:6.00003@:6.00003@:4.00002@:0@:medicae
a.do_change@} [54]
*** Successfully generated feta-flags26.pfb! ***

@{char@:Ed. Med. do clef@:53@:0@:6.3@:9.45001@:9.45001@:6.3@:0@:medicaea.do@}
[53]
@{char@:Ed. Med. do clef@:54@:0@:5.04002@:7.56004@:7.56004@:5.04002@:0@:medicae
a.do_change@} [54]
@{char@:petrucci g clef@:78@:0@:3.53502@:1.8382@:10.74648@:3.53502@:0@:petrucci
.g_change@} [78]
@{char@:Ed. Med. fa clef@:56@:0@:6.0588@:5.34602@:5.34602@:6.0588@:0@:medicaea.
fa_change@} [56]
@{char@:Ed. Med. fa clef@:55@:0@:8.49998@:7.5@:7.5@:8.49998@:0@:medicaea.fa@}
[55]
@{char@:Ed. Med. fa clef@:55@:0@:9.54124@:8.41876@:8.41876@:9.54124@:0@:medicae
a.fa@} [55]
@{char@:Ed. Med. fa clef@:55@:0@:10.70999@:9.45001@:9.45001@:10.70999@:0@:medic
aea.fa@} [55]
@{char@:Ed. Med. fa clef@:56@:0@:6.80002@:6.00003@:6.00003@:6.80002@:0@:medicae
a.fa_change@} [56]
@{char@:Ed. Med. fa clef@:56@:0@:7.63303@:6.73503@:6.73503@:7.63303@:0@:medicae
a.fa_change@} [56]
@{char@:Ed. Med. fa clef@:56@:0@:8.56802@:7.56004@:7.56004@:8.56802@:0@:medicae
a.fa_change@} [56]( echo ./out/parmesan-noteheads14.pfb:  > out/parmesan-noteheads14.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan-noteheads14.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan-noteheads14 --fullname=parmesan-noteheads14 --name=parmesan-noteheads14 parmesan-noteheads14.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:mensural g clef@:79@:0@:3.93752@:2.04749@:11.97005@:3.93752@:0@:mensura
l.g@} [79]
@{char@:neo-mensural c clef@:57@:0@:11.79803@:8.91@:8.91@:11.79803@:0@:neomensu
ral.c@} [57]
@{char@:neo-mensural c clef@:57@:0@:13.00027@:10@:10@:13.00027@:0@:neomensural.
c@} [57]
@{char@:mensural g clef@:79@:0@:4.95938@:2.57886@:15.0765@:4.95938@:0@:mensural
.g@} [79]
@{char@:neo-mensural c clef@:57@:0@:15.86798@:12.6@:12.6@:15.86798@:0@:neomensu
ral.c@} [57]
@{char@:neo-mensural c clef@:57@:0@:14.35144@:11.225@:11.225@:14.35144@:0@:neom
ensural.c@} [57]
@{char@:neo-mensural c clef@:58@:0@:9.43845@:7.12802@:7.12802@:9.43845@:0@:neom
ensural.c_change@} [58]
@{char@:neo-mensural c clef@:58@:0@:10.40027@:8.00003@:8.00003@:10.40027@:0@:ne
omensural.c_change@} [58]
@{char@:neo-mensural c clef@:58@:0@:12.69443@:10.08005@:10.08005@:12.69443@:0@:
neomensural.c_change@} [58]
@{char@:neo-mensural c clef@:58@:0@:11.48117@:8.98004@:8.98004@:11.48117@:0@:ne
omensural.c_change@} [58]
@{char@:petrucci c1 clef@:59@:0@:4.455@:6.23697@:14.256@:4.455@:0@:petrucci.c1@
} [59]
@{char@:petrucci c1 clef@:60@:0@:3.56401@:5.5785@:12.75092@:3.56401@:0@:petrucc
i.c1_change@} [60]
@{char@:petrucci c1 clef@:59@:0@:5@:6.99997@:15.99998@:5@:0@:petrucci.c1@}
[59]
@{char@:petrucci c2 clef@:61@:0@:4.455@:10.69197@:14.256@:4.455@:0@:petrucci.c2
@} [61]
@{char@:petrucci c1 clef@:59@:0@:6.3@:8.81996@:20.15999@:6.3@:0@:petrucci.c1@}
[59]
@{char@:petrucci c1 clef@:59@:0@:5.6125@:7.85747@:17.95999@:5.6125@:0@:petrucci
.c1@} [59]
@{char@:mensural g clef@:79@:0@:4.41876@:2.29773@:13.43303@:4.41876@:0@:mensura
l.g@} [79]
@{char@:petrucci c2 clef@:62@:0@:3.56401@:9.56317@:12.75092@:3.56401@:0@:petruc
ci.c2_change@} [62]
@{char@:petrucci c1 clef@:60@:0@:4.00002@:6.26094@:14.31078@:4.00002@:0@:petruc
ci.c1_change@} [60]
@{char@:petrucci c1 clef@:60@:0@:5.04002@:7.8888@:18.03157@:5.04002@:0@:petrucc
i.c1_change@} [60]
@{char@:petrucci c3 clef@:63@:0@:4.455@:14.256@:14.256@:4.455@:0@:petrucci.c3@}
[63]
@{char@:petrucci c1 clef@:60@:0@:4.49002@:7.02791@:16.06386@:4.49002@:0@:petruc
ci.c1_change@} [60]
@{char@:petrucci c2 clef@:61@:0@:5@:11.99997@:15.99998@:5@:0@:petrucci.c2@}
[61]
@{char@:petrucci c3 clef@:64@:0@:3.56401@:12.75092@:12.75092@:3.56401@:0@:petru
cci.c3_change@} [64]
@{char@:mensural g clef@:80@:0@:3.15002@:1.638@:9.57608@:3.15002@:0@:mensural.g
_change@} [80]
@{char@:petrucci c2 clef@:61@:0@:6.3@:15.11996@:20.15999@:6.3@:0@:petrucci.c2@}
[61]
@{char@:petrucci c2 clef@:62@:0@:4.00002@:10.73306@:14.31078@:4.00002@:0@:petru
cci.c2_change@} [62]
@{char@:petrucci c2 clef@:61@:0@:5.6125@:13.46997@:17.95999@:5.6125@:0@:petrucc
i.c2@} [61]
@{char@:petrucci c4 clef@:65@:0@:4.455@:14.256@:10.69197@:4.455@:0@:petrucci.c4
@} [65]
@{char@:Hufnagel do clef@:81@:0@:3.46503@:2.205@:2.3625@:3.46503@:0@:hufnagel.d
o@} [81]
@{char@:Hufnagel do clef@:82@:0@:2.77203@:1.764@:1.89001@:2.77203@:0@:hufnagel.
do_change@} [82]
@{char@:mensural g clef@:80@:0@:3.96751@:2.0631@:12.06125@:3.96751@:0@:mensural
.g_change@} [80]
@{char@:petrucci c2 clef@:62@:0@:4.49002@:12.04787@:16.06386@:4.49002@:0@:petru
cci.c2_change@} [62]
@{char@:petrucci c3 clef@:63@:0@:5@:15.99998@:15.99998@:5@:0@:petrucci.c3@}
[63]
@{char@:Hufnagel fa clef@:83@:0@:3.78@:3.6225@:3.15001@:3.78@:0@:hufnagel.fa@}
[83]
@{char@:petrucci c2 clef@:62@:0@:5.04002@:13.52367@:18.03157@:5.04002@:0@:petru
cci.c2_change@} [62]
@{char@:Hufnagel fa clef@:84@:0@:3.02402@:2.89801@:2.52002@:3.02402@:0@:hufnage
l.fa_change@} [84]
@{char@:petrucci c4 clef@:66@:0@:3.56401@:12.75092@:9.56317@:3.56401@:0@:petruc
ci.c4_change@} [66]
@{char@:petrucci c3 clef@:63@:0@:6.3@:20.15999@:20.15999@:6.3@:0@:petrucci.c3@}
[63]
@{char@:petrucci c3 clef@:64@:0@:4.00002@:14.31078@:14.31078@:4.00002@:0@:petru
cci.c3_change@} [64]
@{char@:petrucci c3 clef@:63@:0@:5.6125@:17.95999@:17.95999@:5.6125@:0@:petrucc
i.c3@} [63]
@{char@:Hufnagel do clef@:81@:0@:4.36427@:2.77724@:2.97563@:4.36427@:0@:hufnage
l.do@} [81]
@{char@:petrucci c5 clef@:67@:0@:4.455@:14.256@:6.23697@:4.455@:0@:petrucci.c5@
} [67]
@{char@:Hufnagel do clef@:82@:0@:3.49142@:2.2218@:2.38051@:3.49142@:0@:hufnagel
.do_change@} [82]
@{char@:mensural g clef@:80@:0@:3.53502@:1.8382@:10.74648@:3.53502@:0@:mensural
.g_change@} [80]
@{char@:petrucci c4 clef@:65@:0@:5@:15.99998@:11.99997@:5@:0@:petrucci.c4@}
[65]
@{char@:petrucci c3 clef@:64@:0@:5.04002@:18.03157@:18.03157@:5.04002@:0@:petru
cci.c3_change@} [64]
@{char@:Hufnagel do/fa clef@:85@:0@:3.78@:9.92252@:2.3625@:3.78@:0@:hufnagel.do
.fa@} [85]
@{char@:Hufnagel fa clef@:83@:0@:4.76099@:4.5626@:3.9675@:4.76099@:0@:hufnagel.
fa@} [83]
@{char@:petrucci c3 clef@:64@:0@:4.49002@:16.06386@:16.06386@:4.49002@:0@:petru
cci.c3_change@} [64]
@{char@:Hufnagel do clef@:81@:0@:3.88852@:2.47449@:2.65126@:3.88852@:0@:hufnage
l.do@} [81]
@{char@:Hufnagel fa clef@:84@:0@:3.8088@:3.6501@:3.17401@:3.8088@:0@:hufnagel.f
a_change@} [84]
@{char@:petrucci c4 clef@:66@:0@:4.00002@:14.31078@:10.73306@:4.00002@:0@:petru
cci.c4_change@} [66]
@{char@:petrucci c5 clef@:68@:0@:3.56401@:12.75092@:5.5785@:3.56401@:0@:petrucc
i.c5_change@} [68]
@{char@:Hufnagel do clef@:82@:0@:3.11084@:1.9796@:2.12102@:3.11084@:0@:hufnagel
.do_change@} [82]
@{char@:petrucci c4 clef@:65@:0@:6.3@:20.15999@:15.11996@:6.3@:0@:petrucci.c4@}
[65]
@{char@:mensural c clef@:69@:0@:5.12888@:9.801@:9.801@:5.12888@:0@:mensural.c@}
[69]
@{char@:Hufnagel do/fa clef@:85@:0@:4.76099@:12.4976@:2.97563@:4.76099@:0@:hufn
agel.do.fa@} [85]
@{char@:Hufnagel fa clef@:83@:0@:4.24199@:4.06523@:3.535@:4.24199@:0@:hufnagel.
fa@} [83]
@{char@:petrucci c5 clef@:67@:0@:5@:15.99998@:6.99997@:5@:0@:petrucci.c5@}
[67]
@{char@:mensural c clef@:70@:0@:4.23788@:7.8408@:7.8408@:4.23788@:0@:mensural.c
_change@} [70]
@{char@:black mensural c clef@:71@:0@:5.12888@:9.801@:9.801@:5.12888@:0@:blackm
ensural.c@} [71]
@{char@:Hufnagel do/fa clef@:86@:0@:3.8088@:11.5851@:2.38051@:3.8088@:0@:hufnag
el.do.fa_change@} [86]
@{char@:Hufnagel fa clef@:84@:0@:3.39362@:3.2522@:2.82802@:3.39362@:0@:hufnagel
.fa_change@} [84]
@{char@:black mensural c clef@:72@:0@:4.23788@:7.8408@:7.8408@:4.23788@:0@:blac
kmensural.c_change@} [72]
@{char@:petrucci c4 clef@:65@:0@:5.6125@:17.95999@:13.46997@:5.6125@:0@:petrucc
i.c4@} [65]
@{char@:petrucci c5 clef@:68@:0@:4.00002@:14.31078@:6.26094@:4.00002@:0@:petruc
ci.c5_change@} [68]
@{char@:petrucci c4 clef@:66@:0@:5.04002@:18.03157@:13.52367@:5.04002@:0@:petru
cci.c4_change@} [66]
@{char@:Kievan tsefaut clef@:87@:0@:5.95125@:8.92688@:2.18213@:5.95125@:0@:kiev
an.do@} [87]
@{char@:Kievan tsefaut clef@:88@:0@:5.95125@:8.92688@:2.18213@:5.95125@:0@:kiev
an.do_change@} [88]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:mensural c clef@:69@:0@:5.70006@:10.99998@:10.99998@:5.70006@:0@:mensur
al.c@} [69]
@{char@:petrucci c4 clef@:66@:0@:4.49002@:16.06386@:12.04787@:4.49002@:0@:petru
cci.c4_change@} [66]
@{char@:petrucci c5 clef@:67@:0@:6.3@:20.15999@:8.81996@:6.3@:0@:petrucci.c5@}
[67]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.6593@:2.21606@:3.9675@:2.6593@:0@:hufnagel.u0
@} [89]
@{char@:Hufnagel do/fa clef@:86@:0@:3.02402@:9.19803@:1.89001@:3.02402@:0@:hufn
agel.do.fa_change@} [86]
@{char@:Hufnagel do/fa clef@:85@:0@:4.24199@:11.13524@:2.65126@:4.24199@:0@:huf
nagel.do.fa@} [85]
@{char@:Custos Hufnagel@:90@:0@:2.6593@:2.21606@:5.95125@:2.6593@:0@:hufnagel.u
1@} [90]
@{char@:Kievan tsefaut clef@:87@:0@:4.72502@:7.08752@:1.73251@:4.72502@:0@:kiev
an.do@} [87]
@{char@:Kievan tsefaut clef@:88@:0@:4.72502@:7.08752@:1.73251@:4.72502@:0@:kiev
an.do_change@} [88]
@{puorg@:clefs@}
)
@{char@:petrucci f clef@:73@:0@:8.67128@:20.04752@:11.13751@:8.67128@:0@:petruc
ci.f@} [73] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:petrucci c5 clef@:68@:0@:5.04002@:18.03157@:7.8888@:5.04002@:0@:petrucc
i.c5_change@} [68]
@{char@:Custos Hufnagel@:91@:0@:2.6593@:2.21606@:4.95938@:2.6593@:0@:hufnagel.u
2@} [91]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.15196@:1.79329@:3.15001@:2.15196@:0@:hufnagel
.u0@} [89]
@{char@:Hufnagel do/fa clef@:86@:0@:3.39362@:10.3222@:2.12102@:3.39362@:0@:hufn
agel.do.fa_change@} [86]
@{char@:mensural c clef@:69@:0@:7.06253@:13.85999@:13.85999@:7.06253@:0@:mensur
al.c@} [69]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.6593@:3.9675@:2.21606@:2.6593@:0@:huf
nagel.d0@} [92]
@{char@:petrucci c5 clef@:67@:0@:5.6125@:17.95999@:7.85747@:5.6125@:0@:petrucci
.c5@} [67]
@{char@:Custos Hufnagel@:90@:0@:2.15196@:1.79329@:4.72502@:2.15196@:0@:hufnagel
.u1@} [90]
@{char@:mensural c clef@:70@:0@:5.80255@:11.08804@:11.08804@:5.80255@:0@:mensur
al.c_change@} [70]
@{char@:petrucci f clef@:74@:0@:6.93706@:16.03807@:8.91005@:6.93706@:0@:petrucc
i.f_change@} [74]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.6593@:5.95125@:2.21606@:2.6593@:0@:hu
fnagel.d1@} [93]
@{char@:Kievan tsefaut clef@:87@:0@:5.3025@:7.95377@:1.94426@:5.3025@:0@:kievan
.do@} [87]
@{char@:black mensural c clef@:71@:0@:7.06253@:13.85999@:13.85999@:7.06253@:0@:
blackmensural.c@} [71]
@{char@:Kievan tsefaut clef@:88@:0@:5.3025@:7.95377@:1.94426@:5.3025@:0@:kievan
.do_change@} [88]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:Reverse Custos Hufnagel@:94@:0@:2.6593@:4.95938@:2.21606@:2.6593@:0@:hu
fnagel.d2@} [94]
@{char@:mensural c clef@:70@:0@:4.70007@:8.80002@:8.80002@:4.70007@:0@:mensural
.c_change@} [70]
@{char@:black mensural c clef@:72@:0@:5.80255@:11.08804@:11.08804@:5.80255@:0@:
blackmensural.c_change@} [72]
@{char@:Custos Hufnagel@:91@:0@:2.15196@:1.79329@:3.93752@:2.15196@:0@:hufnagel
.u2@} [91]
@{char@:petrucci c5 clef@:68@:0@:4.49002@:16.06386@:7.02791@:4.49002@:0@:petruc
ci.c5_change@} [68]
@{char@:mensural f clef@:75@:0@:5.346@:2.673@:2.673@:5.346@:0@:mensural.f@}
[75]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.39088@:1.99239@:3.535@:2.39088@:0@:hufnagel.u
0@} [89]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.15196@:3.15001@:1.79329@:2.15196@:0@:
hufnagel.d0@} [92]
@{char@:mensural c clef@:69@:0@:6.342@:12.34749@:12.34749@:6.342@:0@:mensural.c
@} [69]
@{char@:Custos Med.@:95@:0@:1.10803@:2.21606@:3.9675@:1.10803@:0@:medicaea.u0@}
[95]
@{char@:black mensural c clef@:71@:0@:5.70006@:10.99998@:10.99998@:5.70006@:0@:
blackmensural.c@} [71]
@{char@:mensural f clef@:76@:0@:4.27681@:2.13841@:2.13841@:4.27681@:0@:mensural
.f_change@} [76]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.15196@:4.72502@:1.79329@:2.15196@:0@:
hufnagel.d1@} [93]
@{char@:Custos Hufnagel@:90@:0@:2.39088@:1.99239@:5.3025@:2.39088@:0@:hufnagel.
u1@} [90]
@{char@:black mensural c clef@:72@:0@:4.70007@:8.80002@:8.80002@:4.70007@:0@:bl
ackmensural.c_change@} [72]
@{char@:Custos Med.@:96@:0@:1.10803@:2.21606@:5.95125@:1.10803@:0@:medicaea.u1@
} [96]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.15196@:3.93752@:1.79329@:2.15196@:0@:
hufnagel.d2@} [94]
@{char@:mensural c clef@:70@:0@:5.21951@:9.87804@:9.87804@:5.21951@:0@:mensural
.c_change@} [70]
@{char@:Custos Hufnagel@:91@:0@:2.39088@:1.99239@:4.41876@:2.39088@:0@:hufnagel
.u2@} [91]
@{char@:Custos Med.@:95@:0@:0.89664@:1.79329@:3.15001@:0.89664@:0@:medicaea.u0@
} [95]
@{char@:black mensural c clef@:71@:0@:6.342@:12.34749@:12.34749@:6.342@:0@:blac
kmensural.c@} [71]
@{char@:Custos Med.@:97@:0@:1.10803@:2.21606@:4.95938@:1.10803@:0@:medicaea.u2@
} [97]
@{char@:black mensural c clef@:72@:0@:5.21951@:9.87804@:9.87804@:5.21951@:0@:bl
ackmensural.c_change@} [72]
@{char@:Custos Med.@:96@:0@:0.89664@:1.79329@:4.72502@:0.89664@:0@:medicaea.u1@
} [96]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.39088@:3.535@:1.99239@:2.39088@:0@:hu
fnagel.d0@} [92]
@{char@:petrucci f clef@:73@:0@:12.26242@:28.35002@:15.75002@:12.26242@:0@:petr
ucci.f@} [73]
@{char@:Reverse Custos Med.@:98@:0@:1.10803@:3.9675@:2.21606@:1.10803@:0@:medic
aea.d0@} [98]
@{char@:Custos Med.@:97@:0@:0.89664@:1.79329@:3.93752@:0.89664@:0@:medicaea.u2@
} [97]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.39088@:5.3025@:1.99239@:2.39088@:0@:h
ufnagel.d1@} [93]
@{char@:Reverse Custos Med.@:99@:0@:1.10803@:5.95125@:2.21606@:1.10803@:0@:medi
caea.d1@} [99]
@{char@:Reverse Custos Med.@:98@:0@:0.89664@:3.15001@:1.79329@:0.89664@:0@:medi
caea.d0@} [98]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.39088@:4.41876@:1.99239@:2.39088@:0@:
hufnagel.d2@} [94]
@{char@:petrucci f clef@:73@:0@:9.73207@:22.5@:12.5@:9.73207@:0@:petrucci.f@}
[73]
@{char@:Reverse Custos Med.@:100@:0@:1.10803@:4.95938@:2.21606@:1.10803@:0@:med
icaea.d2@} [100]
@{char@:Reverse Custos Med.@:99@:0@:0.89664@:4.72502@:1.79329@:0.89664@:0@:medi
caea.d1@} [99]
@{char@:Custos Med.@:95@:0@:0.9962@:1.99239@:3.535@:0.9962@:0@:medicaea.u0@}
[95]
@{char@:petrucci f clef@:73@:0@:10.92426@:25.25627@:14.03127@:10.92426@:0@:petr
ucci.f@} [73]
@{char@:Custos Ed. Vat.@:101@:0@:1.06374@:1.37402@:3.9675@:1.06374@:0@:vaticana
.u0@} [101]
@{char@:Custos Med.@:96@:0@:0.9962@:1.99239@:5.3025@:0.9962@:0@:medicaea.u1@}
[96]
@{char@:Reverse Custos Med.@:100@:0@:0.89664@:3.93752@:1.79329@:0.89664@:0@:med
icaea.d2@} [100]
@{char@:petrucci f clef@:74@:0@:9.80998@:22.6801@:12.60007@:9.80998@:0@:petrucc
i.f_change@} [74]
@{char@:Custos Med.@:97@:0@:0.9962@:1.99239@:4.41876@:0.9962@:0@:medicaea.u2@}
[97]
@{char@:Custos Ed. Vat.@:102@:0@:1.06374@:1.37402@:5.95125@:1.06374@:0@:vatican
a.u1@} [102]
@{char@:Custos Ed. Vat.@:101@:0@:0.8608@:1.1119@:3.15001@:0.8608@:0@:vaticana.u
0@} [101]
@{char@:petrucci f clef@:74@:0@:8.73944@:20.2051@:11.22505@:8.73944@:0@:petrucc
i.f_change@} [74]
@{char@:Custos Ed. Vat.@:103@:0@:1.06374@:1.37402@:4.95938@:1.06374@:0@:vatican
a.u2@} [103]
@{char@:mensural f clef@:75@:0@:7.55998@:3.78@:3.78@:7.55998@:0@:mensural.f@}
[75]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.06374@:3.9675@:1.37402@:1.06374@:0@:
vaticana.d0@} [104]
@{char@:Reverse Custos Med.@:98@:0@:0.9962@:3.535@:1.99239@:0.9962@:0@:medicaea
.d0@} [98]
@{char@:Custos Ed. Vat.@:102@:0@:0.8608@:1.1119@:4.72502@:0.8608@:0@:vaticana.u
1@} [102]
@{char@:mensural f clef@:75@:0@:6.73499@:3.3675@:3.3675@:6.73499@:0@:mensural.f
@} [75]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.06374@:5.95125@:1.37402@:1.06374@:0@
:vaticana.d1@} [105]
@{char@:petrucci g clef@:77@:0@:5.56876@:2.89572@:16.92902@:5.56876@:0@:petrucc
i.g@} [77]
@{char@:Reverse Custos Med.@:99@:0@:0.9962@:5.3025@:1.99239@:0.9962@:0@:medicae
a.d1@} [99]
@{char@:Custos Ed. Vat.@:103@:0@:0.8608@:1.1119@:3.93752@:0.8608@:0@:vaticana.u
2@} [103]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.06374@:4.95938@:1.37402@:1.06374@:0@
:vaticana.d2@} [106]
@{char@:mensural f clef@:76@:0@:6.048@:3.024@:3.024@:6.048@:0@:mensural.f_chang
e@} [76]
@{char@:Reverse Custos Med.@:100@:0@:0.9962@:4.41876@:1.99239@:0.9962@:0@:medic
aea.d2@} [100]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:0.8608@:3.15001@:1.1119@:0.8608@:0@:va
ticana.d0@} [104]
@{char@:mensural f clef@:76@:0@:5.38802@:2.69402@:2.69402@:5.38802@:0@:mensural
.f_change@} [76]
@{char@:Custos Ed. Vat.@:101@:0@:0.95636@:1.23534@:3.535@:0.95636@:0@:vaticana.
u0@} [101]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:0.8608@:4.72502@:1.1119@:0.8608@:0@:va
ticana.d1@} [105]
@{char@:Custos Mensural@:107@:0@:5.31853@:1.4626@:7.935@:5.31853@:0@:mensural.u
0@} [107]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:0.8608@:3.93752@:1.1119@:0.8608@:0@:va
ticana.d2@} [106]
@{char@:Custos Ed. Vat.@:102@:0@:0.95636@:1.23534@:5.3025@:0.95636@:0@:vaticana
.u1@} [102]
@{char@:Custos Mensural@:108@:0@:5.31853@:1.4626@:9.91875@:5.31853@:0@:mensural
.u1@} [108]
@{char@:Custos Mensural@:107@:0@:4.30386@:1.18358@:6.30002@:4.30386@:0@:mensura
l.u0@} [107]
@{char@:Custos Ed. Vat.@:103@:0@:0.95636@:1.23534@:4.41876@:0.95636@:0@:vatican
a.u2@} [103]
@{char@:Custos Mensural@:109@:0@:5.31853@:1.4626@:8.92688@:5.31853@:0@:mensural
.u2@} [109]
@{char@:Custos Mensural@:108@:0@:4.30386@:1.18358@:7.87503@:4.30386@:0@:mensura
l.u1@} [108]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:0.95636@:3.535@:1.23534@:0.95636@:0@:v
aticana.d0@} [104]
@{char@:Reverse Custos Mensural@:110@:0@:5.31853@:7.935@:1.4626@:5.31853@:0@:me
nsural.d0@} [110]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:0.95636@:5.3025@:1.23534@:0.95636@:0@:
vaticana.d1@} [105]
@{char@:Reverse Custos Mensural@:111@:0@:5.31853@:9.91875@:1.4626@:5.31853@:0@:
mensural.d1@} [111]
@{char@:Custos Mensural@:109@:0@:4.30386@:1.18358@:7.08752@:4.30386@:0@:mensura
l.u2@} [109]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan-noteheads13.mf'"...

@{char@:Reverse Custos Mensural@:112@:0@:5.31853@:8.92688@:1.4626@:5.31853@:0@:
mensural.d2@} [112]
@{puorg@:custodes@}
)
@{char@:Reverse Custos Ed. Vat.@:106@:0@:0.95636@:4.41876@:1.23534@:0.95636@:0@
:vaticana.d2@} [106]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Reverse Custos Mensural@:110@:0@:4.30386@:6.30002@:1.18358@:4.30386@:0@
:mensural.d0@} [110]
@{char@:petrucci f clef@:74@:0@:7.78569@:18.00008@:10.00005@:7.78569@:0@:petruc
ci.f_change@} [74]
@{char@:Reverse Custos Mensural@:111@:0@:4.30386@:7.87503@:1.18358@:4.30386@:0@
:mensural.d1@} [111]
@{char@:Custos Mensural@:107@:0@:4.78171@:1.31499@:7.07@:4.78171@:0@:mensural.u
0@} [107]
@{char@:mensural f clef@:75@:0@:5.99998@:3@:3@:5.99998@:0@:mensural.f@} [75]
@{char@:Reverse Custos Mensural@:112@:0@:4.30386@:7.08752@:1.18358@:4.30386@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
)
@{char@:Custos Mensural@:108@:0@:4.78171@:1.31499@:8.83751@:4.78171@:0@:mensura
l.u1@} [108]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:mensural f clef@:76@:0@:4.8@:2.40001@:2.40001@:4.8@:0@:mensural.f_chang
e@} [76]
@{char@:Custos Mensural@:109@:0@:4.78171@:1.31499@:7.95377@:4.78171@:0@:mensura
l.u2@} [109]
@{char@:petrucci g clef@:78@:0@:4.45502@:2.31659@:13.54326@:4.45502@:0@:petrucc
i.g_change@} [78]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.31502@:1.89003@:1.89003@:3.15001@:1.89003@:0@:med
icaeaM1@} [113]
@{char@:petrucci g clef@:77@:0@:7.875@:4.09497@:23.94003@:7.875@:0@:petrucci.g@
} [77]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Reverse Custos Mensural@:110@:0@:4.78171@:7.07@:1.31499@:4.78171@:0@:me
nsural.d0@} [110]
@{char@:petrucci g clef@:77@:0@:7.01563@:3.64809@:21.32753@:7.01563@:0@:petrucc
i.g@} [77]
@{char@:Ed. Vat. Flat@:114@:0.10915@:1.68416@:1.07098@:2.86652@:1.68416@:0@:vat
icanaM1@} [114]
@{char@:Reverse Custos Mensural@:111@:0@:4.78171@:8.83751@:1.31499@:4.78171@:0@
:mensural.d1@} [111]
@{char@:Reverse Custos Mensural@:112@:0@:4.78171@:7.95377@:1.31499@:4.78171@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Ed. Vat. Natural@:115@:0.17462@:1.4346@:2.39398@:2.39398@:1.4346@:0@:va
ticana0@} [115]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads13.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:Mensural Sharp@:116@:1.1826@:1.81259@:1.4346@:1.4346@:1.81259@:0@:mensu
ral1@} [116]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.35352@:2.12102@:2.12102@:3.535@:2.12102@:0@:medic
aeaM1@} [113]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan-noteheads14.mf'"...
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Mensural Flat@:117@:0.32742@:1.5874@:1.11493@:5.99745@:1.5874@:0@:mensu
ralM1@} [117]
@{char@:Ed. Vat. Flat@:114@:0.11244@:1.87994@:1.20189@:3.21687@:1.87994@:0@:vat
icanaM1@} [114])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{char@:Ed. Vat. Natural@:115@:0.1799@:1.59389@:2.68658@:2.68658@:1.59389@:0@:v
aticana0@} [115]
@{font@:GNU@:LilyPond@:parmesan@:12.6@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:mensural g clef@:79@:0@:5.56876@:2.89572@:16.92902@:5.56876@:0@:mensura
l.g@} [79]
@{char@:Mensural Sharp@:116@:1.3111@:2.01807@:1.59389@:1.59389@:2.01807@:0@:men
sural1@} [116]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:8.19005@:1.79329@:1.79329@:8.
19005@:0@:uM3neomensural@} [33]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.39677@:2.38052@:2.38052@:3.9675@:2.38052@:0@:medi
caeaM1@} [113]
@{char@:petrucci g clef@:78@:0@:6.30003@:3.27599@:19.1521@:6.30003@:0@:petrucci
.g_change@} [78]
@{char@:petrucci g clef@:77@:0@:6.25@:3.24997@:19.00002@:6.25@:0@:petrucci.g@}
[77]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp
@{char@:petrucci g clef@:78@:0@:5.61253@:2.91849@:17.06209@:5.61253@:0@:petrucc
i.g_change@} [78] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Ed. Vat. Flat@:114@:0.11615@:2.0999@:1.34894@:3.61044@:2.0999@:0@:vatic
anaM1@} [114]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:8.19005@:1.79329@:1.79329@:
8.19005@:0@:dM3neomensural@} [34]
@{char@:Ed. Vat. Natural@:115@:0.18584@:1.77281@:3.01529@:3.01529@:1.77281@:0@:
vaticana0@} [115]
@{char@:Hufnagel Flat@:118@:0.43655@:2.01157@:1.16328@:5.8883@:2.01157@:0@:hufn
agelM1@} [118]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Kievan sharp@:119@:0@:5.04004@:5.04004@:5.04004@:5.04004@:0@:kievan1@}
[119]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:6.30002@:1.79329@:1.79329@:6.3
0002@:0@:uM2neomensural@} [35]
@{char@:Kievan flat@:120@:0@:3.15001@:3.15001@:5.67003@:3.15001@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf)
@{char@:Mensural Sharp@:116@:1.45543@:2.24889@:1.77281@:1.77281@:2.24889@:0@:me
nsural1@} [116]

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads14.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Neo-mensural longa notehead (down)@:36@:0@:6.30002@:1.79329@:1.79329@:6
.30002@:0@:dM2neomensural@} [36]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:1.89003@:6.30002@:0.31502@:1.89003@:0@:
mensuralu03@} [121] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:Neo-mensural brevis notehead@:37@:0@:6.30002@:1.79329@:1.79329@:6.30002
@:0@:sM1neomensural@} [37]
@{char@:Mensural Flat@:117@:0.34846@:1.93544@:1.34035@:7.48997@:1.93544@:0@:men
suralM1@} [117]) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:8th Mensural Flag (up)@:122@:0@:1.89003@:4.72502@:0.31502@:1.89003@:0@:
mensuralu13@} [122]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:8.19005@:1.7932
9@:1.79329@:8.19005@:0@:urM3neomensural@} [38])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{char@:8th Mensural Flag (up)@:123@:0@:1.89003@:5.51251@:0.31502@:1.89003@:0@:
mensuralu23@} [123]
@{font@:GNU@:LilyPond@:parmesan@:14.14@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:Mensural Flat@:117@:0.33733@:1.75131@:1.22108@:6.70035@:1.75131@:0@:men
suralM1@} [117]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:8.19005@:1.79
329@:1.79329@:8.19005@:0@:drM3neomensural@} [39]
@{char@:mensural g clef@:80@:0@:4.45502@:2.31659@:13.54326@:4.45502@:0@:mensura
l.g_change@} [80]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:6.30002@:1.79329
@:1.79329@:6.30002@:0@:urM2neomensural@} [40]
@{char@:Hufnagel do clef@:81@:0@:4.90053@:3.11848@:3.34125@:4.90053@:0@:hufnage
l.do@} [81]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:9.19102@:1.99239@:1.99239@:9.
19102@:0@:uM3neomensural@} [33]
@{char@:petrucci g clef@:78@:0@:5.00002@:2.59999@:15.20007@:5.00002@:0@:petrucc
i.g_change@} [78]
@{char@:mensural g clef@:79@:0@:7.875@:4.09497@:23.94003@:7.875@:0@:mensural.g@
} [79]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:6.30002@:1.793
29@:1.79329@:6.30002@:0@:drM2neomensural@} [41]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:9.19102@:1.99239@:1.99239@:
9.19102@:0@:dM3neomensural@} [34]
@{char@:8th Mensural Flag (down)@:124@:1.89003@:0@:0.31502@:6.30002@:0@:0@:mens
urald03@} [124]
@{char@:mensural g clef@:79@:0@:7.01563@:3.64809@:21.32753@:7.01563@:0@:mensura
l.g@} [79]
@{char@:Hufnagel Flat@:118@:0.46461@:2.44836@:1.42258@:7.37383@:2.44836@:0@:huf
nagelM1@} [118]
@{char@:Hufnagel do clef@:82@:0@:3.92044@:2.4948@:2.673@:3.92044@:0@:hufnagel.d
o_change@} [82]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:6.30002@:1.79329@:1
.79329@:6.30002@:0@:srM1neomensural@} [42]
@{char@:8th Mensural Flag (down)@:125@:1.89003@:0@:0.31502@:4.72502@:0@:0@:mens
urald13@} [125]
@{char@:Kievan sharp@:119@:0@:6.34802@:6.34802@:6.34802@:6.34802@:0@:kievan1@}
[119]
@{char@:Hufnagel fa clef@:83@:0@:5.346@:5.12323@:4.455@:5.346@:0@:hufnagel.fa@}
[83]
@{char@:Kievan flat@:120@:0@:3.9675@:3.9675@:7.14151@:3.9675@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
)
@{char@:8th Mensural Flag (down)@:126@:1.89003@:0@:0.31502@:5.51251@:0@:0@:mens
urald23@} [126] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:Neo-mensural semibrevis head@:43@:0@:3.15001@:1.79329@:1.79329@:1.57501
@:0.65825@:s0neomensural@} [43]
@{char@:Hufnagel fa clef@:84@:0@:4.2768@:4.09859@:3.56401@:4.2768@:0@:hufnagel.
fa_change@} [84]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:2.38052@:7.935@:0.39677@:2.38052@:0@:me
nsuralu03@} [121]
@{char@:Hufnagel Flat@:118@:0.44977@:2.21727@:1.2854@:6.5879@:2.21727@:0@:hufna
gelM1@} [118]
@{char@:16th Mensural Flag (up)@:127@:0@:1.89003@:9.45003@:0.31502@:1.89003@:0@
:mensuralu04@} [127]
@{char@:Neo-mensural minima head@:44@:0@:3.15001@:1.79329@:1.79329@:1.57501@:0.
65825@:s1neomensural@} [44]
@{char@:8th Mensural Flag (up)@:122@:0@:2.38052@:5.95125@:0.39677@:2.38052@:0@:
mensuralu13@} [122]
@{char@:Neo-mensural semiminima head@:45@:0@:3.15001@:1.79329@:1.79329@:1.57501
@:0.65825@:s2neomensural@} [45]
@{char@:16th Mensural Flag (up)@:128@:0@:1.89003@:7.87503@:0.31502@:1.89003@:0@
:mensuralu14@} [128]
@{char@:Hufnagel do/fa clef@:85@:0@:5.346@:14.03323@:3.34125@:5.346@:0@:hufnage
l.do.fa@} [85]
@{char@:Kievan sharp@:119@:0@:5.65602@:5.65602@:5.65602@:5.65602@:0@:kievan1@}
[119]
@{char@:8th Mensural Flag (up)@:123@:0@:2.38052@:6.94313@:0.39677@:2.38052@:0@:
mensuralu23@} [123]
@{char@:Kievan flat@:120@:0@:3.535@:3.535@:6.36302@:3.535@:0@:kievanM1@} [120]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:4.09502@:2.33127@:2.33127
@:4.09502@:0@:s0harmonic@} [46]
@{char@:8th Mensural Flag (down)@:124@:2.38052@:0@:0.39677@:7.935@:0@:0@:mensur
ald03@} [124]
@{char@:Hufnagel do/fa clef@:86@:0@:4.2768@:13.00859@:2.673@:4.2768@:0@:hufnage
l.do.fa_change@} [86]
@{char@:16th Mensural Flag (up)@:129@:0@:1.89003@:8.66252@:0.31502@:1.89003@:0@
:mensuralu24@} [129]
@{char@:Kievan tsefaut clef@:87@:0@:6.68251@:10.02376@:2.45027@:6.68251@:0@:kie
van.do@} [87]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:4.09502@:2.33127@:2.3312
7@:4.09502@:0@:s2harmonic@} [47]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:2.12102@:7.07@:0.35352@:2.12102@:0@:men
suralu03@} [121]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:7.07@:1.99239@:1.99239@:7.07@:
0@:uM2neomensural@} [35]
@{char@:8th Mensural Flag (down)@:125@:2.38052@:0@:0.39677@:5.95125@:0@:0@:mens
urald13@} [125]
@{char@:Kievan tsefaut clef@:88@:0@:6.68251@:10.02376@:2.45027@:6.68251@:0@:kie
van.do_change@} [88]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:16th Mensural Flag (down)@:130@:1.89003@:0@:0.31502@:9.45003@:0@:0@:men
surald04@} [130]
@{char@:Mensural maxima notehead (up)@:48@:0@:6.30002@:1.79329@:1.79329@:6.3000
2@:0@:uM3mensural@} [48]
@{char@:8th Mensural Flag (up)@:122@:0@:2.12102@:5.3025@:0.35352@:2.12102@:0@:m
ensuralu13@} [122]
@{char@:8th Mensural Flag (down)@:126@:2.38052@:0@:0.39677@:6.94313@:0@:0@:mens
urald23@} [126]
@{char@:16th Mensural Flag (down)@:131@:1.89003@:0@:0.31502@:7.87503@:0@:0@:men
surald14@} [131]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.96184@:2.46817@:4.455@:2.96184@:0@:hufnagel.u
0@} [89]
@{char@:8th Mensural Flag (up)@:123@:0@:2.12102@:6.18626@:0.35352@:2.12102@:0@:
mensuralu23@} [123]
@{char@:Mensural maxima notehead (down)@:49@:0@:6.30002@:1.79329@:1.79329@:6.30
002@:0@:dM3mensural@} [49]
@{char@:mensural g clef@:79@:0@:6.25@:3.24997@:19.00002@:6.25@:0@:mensural.g@}
[79]
@{char@:16th Mensural Flag (down)@:132@:1.89003@:0@:0.31502@:8.66252@:0@:0@:men
surald24@} [132]
@{char@:8th Mensural Flag (down)@:124@:2.12102@:0@:0.35352@:7.07@:0@:0@:mensura
ld03@} [124]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:6.30002@:1.79329@:1.79329@:
6.30002@:0@:sM3ligmensural@} [50]
@{char@:Custos Hufnagel@:90@:0@:2.96184@:2.46817@:6.68251@:2.96184@:0@:hufnagel
.u1@} [90]
@{char@:mensural g clef@:80@:0@:6.30003@:3.27599@:19.1521@:6.30003@:0@:mensural
.g_change@} [80]
@{char@:16th Mensural Flag (up)@:127@:0@:2.38052@:11.9025@:0.39677@:2.38052@:0@
:mensuralu04@} [127]
@{char@:8th Mensural Flag (down)@:125@:2.12102@:0@:0.35352@:5.3025@:0@:0@:mensu
rald13@} [125]
@{char@:Mensural longa notehead (up)@:51@:0@:3.15001@:1.79329@:1.79329@:3.15001
@:0@:uM2mensural@} [51]
@{char@:Hufnagel do clef@:81@:0@:6.93004@:4.40999@:4.725@:6.93004@:0@:hufnagel.
do@} [81]
@{char@:8th Mensural Flag (down)@:126@:2.12102@:0@:0.35352@:6.18626@:0@:0@:mens
urald23@} [126]
@{char@:32th Mensural Flag (up)@:133@:0@:1.89003@:12.60004@:0.31502@:1.89003@:0
@:mensuralu05@} [133]
@{char@:mensural g clef@:80@:0@:5.61253@:2.91849@:17.06209@:5.61253@:0@:mensura
l.g_change@} [80]
@{char@:16th Mensural Flag (up)@:128@:0@:2.38052@:9.91875@:0.39677@:2.38052@:0@
:mensuralu14@} [128]
@{char@:Custos Hufnagel@:91@:0@:2.96184@:2.46817@:5.56876@:2.96184@:0@:hufnagel
.u2@} [91]
@{char@:Mensural longa notehead (down)@:52@:0@:3.15001@:1.79329@:1.79329@:3.150
01@:0@:dM2mensural@} [52]
@{char@:Hufnagel do clef@:82@:0@:5.54405@:3.528@:3.78001@:5.54405@:0@:hufnagel.
do_change@} [82]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:7.07@:1.99239@:1.99239@:7.07
@:0@:dM2neomensural@} [36]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.96184@:4.455@:2.46817@:2.96184@:0@:hu
fnagel.d0@} [92]
@{char@:16th Mensural Flag (up)@:127@:0@:2.12102@:10.60501@:0.35352@:2.12102@:0
@:mensuralu04@} [127]
@{char@:Hufnagel do clef@:81@:0@:6.17378@:3.92874@:4.20938@:6.17378@:0@:hufnage
l.do@} [81]
@{char@:Neo-mensural brevis notehead@:37@:0@:7.07@:1.99239@:1.99239@:7.07@:0@:s
M1neomensural@} [37]
@{char@:16th Mensural Flag (up)@:129@:0@:2.38052@:10.91063@:0.39677@:2.38052@:0
@:mensuralu24@} [129]
@{char@:Hufnagel fa clef@:83@:0@:7.55998@:7.24496@:6.3@:7.55998@:0@:hufnagel.fa
@} [83]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.96184@:6.68251@:2.46817@:2.96184@:0@:
hufnagel.d1@} [93]
@{char@:Hufnagel do clef@:82@:0@:4.93906@:3.143@:3.36752@:4.93906@:0@:hufnagel.
do_change@} [82]
@{char@:16th Mensural Flag (up)@:128@:0@:2.12102@:8.83751@:0.35352@:2.12102@:0@
:mensuralu14@} [128]
@{char@:32th Mensural Flag (up)@:134@:0@:1.89003@:11.02504@:0.31502@:1.89003@:0
@:mensuralu15@} [134]
@{char@:Hufnagel fa clef@:84@:0@:6.04802@:5.79599@:5.04002@:6.04802@:0@:hufnage
l.fa_change@} [84]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.96184@:5.56876@:2.46817@:2.96184@:0@:
hufnagel.d2@} [94]
@{char@:16th Mensural Flag (down)@:130@:2.38052@:0@:0.39677@:11.9025@:0@:0@:men
surald04@} [130]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:9.19102@:1.9923
9@:1.99239@:9.19102@:0@:urM3neomensural@} [38]
@{char@:Hufnagel fa clef@:83@:0@:6.73499@:6.45435@:5.6125@:6.73499@:0@:hufnagel
.fa@} [83]
@{char@:Custos Med.@:95@:0@:1.23409@:2.46817@:4.455@:1.23409@:0@:medicaea.u0@}
[95]
@{char@:16th Mensural Flag (up)@:129@:0@:2.12102@:9.72127@:0.35352@:2.12102@:0@
:mensuralu24@} [129]
@{char@:Hufnagel do/fa clef@:85@:0@:7.55998@:19.84497@:4.725@:7.55998@:0@:hufna
gel.do.fa@} [85]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:9.19102@:1.99
239@:1.99239@:9.19102@:0@:drM3neomensural@} [39]
@{char@:Hufnagel fa clef@:84@:0@:5.38802@:5.1635@:4.49002@:5.38802@:0@:hufnagel
.fa_change@} [84]
@{char@:32th Mensural Flag (up)@:135@:0@:1.89003@:11.81253@:0.31502@:1.89003@:0
@:mensuralu25@} [135]
@{char@:16th Mensural Flag (down)@:131@:2.38052@:0@:0.39677@:9.91875@:0@:0@:men
surald14@} [131]
@{char@:16th Mensural Flag (down)@:130@:2.12102@:0@:0.35352@:10.60501@:0@:0@:me
nsurald04@} [130]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:7.07@:1.99239@:1
.99239@:7.07@:0@:urM2neomensural@} [40]
@{char@:Custos Med.@:96@:0@:1.23409@:2.46817@:6.68251@:1.23409@:0@:medicaea.u1@
} [96]
@{char@:16th Mensural Flag (down)@:132@:2.38052@:0@:0.39677@:10.91063@:0@:0@:me
nsurald24@} [132]
@{char@:mensural g clef@:80@:0@:5.00002@:2.59999@:15.20007@:5.00002@:0@:mensura
l.g_change@} [80]
@{char@:Hufnagel do/fa clef@:85@:0@:6.73499@:17.67935@:4.20938@:6.73499@:0@:huf
nagel.do.fa@} [85]
@{char@:Hufnagel do/fa clef@:86@:0@:6.04802@:18.396@:3.78001@:6.04802@:0@:hufna
gel.do.fa_change@} [86]
@{char@:16th Mensural Flag (down)@:131@:2.12102@:0@:0.35352@:8.83751@:0@:0@:men
surald14@} [131]
@{char@:Mensural longa notehead (ligature)@:53@:0@:3.15001@:1.79329@:1.79329@:3
.15001@:0@:sM2ligmensural@} [53]
@{char@:Kievan tsefaut clef@:87@:0@:9.45001@:14.175@:3.46503@:9.45001@:0@:kieva
n.do@} [87]
@{char@:32th Mensural Flag (down)@:136@:1.89003@:0@:0.31502@:12.60004@:0@:0@:me
nsurald05@} [136]
@{char@:Hufnagel do clef@:81@:0@:5.50003@:3.49998@:3.75@:5.50003@:0@:hufnagel.d
o@} [81]
@{char@:Custos Med.@:97@:0@:1.23409@:2.46817@:5.56876@:1.23409@:0@:medicaea.u2@
} [97]
@{char@:Kievan tsefaut clef@:88@:0@:9.45001@:14.175@:3.46503@:9.45001@:0@:kieva
n.do_change@} [88]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:Hufnagel do/fa clef@:86@:0@:5.38802@:16.3885@:3.36752@:5.38802@:0@:hufn
agel.do.fa_change@} [86]
@{char@:16th Mensural Flag (down)@:132@:2.12102@:0@:0.35352@:9.72127@:0@:0@:men
surald24@} [132]
@{char@:Hufnagel do clef@:82@:0@:4.40004@:2.8@:3.00002@:4.40004@:0@:hufnagel.do
_change@} [82]
@{char@:Mensural brevis notehead@:54@:0@:3.15001@:1.79329@:1.79329@:3.15001@:0@
:sM1mensural@} [54]
@{char@:Reverse Custos Med.@:98@:0@:1.23409@:4.455@:2.46817@:1.23409@:0@:medica
ea.d0@} [98]
@{char@:Kievan tsefaut clef@:87@:0@:8.41876@:12.62813@:3.0869@:8.41876@:0@:kiev
an.do@} [87]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:4.10684@:3.42233@:6.3@:4.10684@:0@:hufnagel.u0@
} [89]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:7.07@:1.99239@
:1.99239@:7.07@:0@:drM2neomensural@} [41]
@{char@:32th Mensural Flag (down)@:137@:1.89003@:0@:0.31502@:11.02504@:0@:0@:me
nsurald15@} [137]
@{char@:32th Mensural Flag (up)@:133@:0@:2.38052@:15.87@:0.39677@:2.38052@:0@:m
ensuralu05@} [133]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:6.30002@:1.79329@:1
.79329@:6.30002@:0@:urM3mensural@} [55]
@{char@:32th Mensural Flag (up)@:133@:0@:2.12102@:14.14001@:0.35352@:2.12102@:0
@:mensuralu05@} [133]
@{char@:Custos Hufnagel@:90@:0@:4.10684@:3.42233@:9.45001@:4.10684@:0@:hufnagel
.u1@} [90]
@{char@:Reverse Custos Med.@:99@:0@:1.23409@:6.68251@:2.46817@:1.23409@:0@:medi
caea.d1@} [99]
@{char@:Kievan tsefaut clef@:88@:0@:8.41876@:12.62813@:3.0869@:8.41876@:0@:kiev
an.do_change@} [88]
@{puorg@:clefs@}
)
@{char@:Hufnagel fa clef@:83@:0@:5.99998@:5.74997@:5@:5.99998@:0@:hufnagel.fa@}
[83]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:7.07@:1.99239@:1.99
239@:7.07@:0@:srM1neomensural@} [42]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:6.30002@:1.79329@
:1.79329@:6.30002@:0@:drM3mensural@} [56]
@{char@:32th Mensural Flag (up)@:134@:0@:2.12102@:12.37251@:0.35352@:2.12102@:0
@:mensuralu15@} [134]
@{char@:Custos Hufnagel@:91@:0@:4.10684@:3.42233@:7.875@:4.10684@:0@:hufnagel.u
2@} [91] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:32th Mensural Flag (up)@:134@:0@:2.38052@:13.88625@:0.39677@:2.38052@:0
@:mensuralu15@} [134]
@{char@:Reverse Custos Med.@:100@:0@:1.23409@:5.56876@:2.46817@:1.23409@:0@:med
icaea.d2@} [100]
@{char@:Hufnagel fa clef@:84@:0@:4.8@:4.59999@:4.00002@:4.8@:0@:hufnagel.fa_cha
nge@} [84]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:6.30002@:1.79
329@:1.79329@:6.30002@:0@:srM3ligmensural@} [57]
@{char@:Neo-mensural semibrevis head@:43@:0@:3.535@:1.99239@:1.99239@:1.7675@:0
.82298@:s0neomensural@} [43]
@{char@:32th Mensural Flag (down)@:138@:1.89003@:0@:0.31502@:11.81253@:0@:0@:me
nsurald25@} [138]
@{char@:Reverse Custos Hufnagel@:92@:0@:4.10684@:6.3@:3.42233@:4.10684@:0@:hufn
agel.d0@} [92]
@{char@:Neo-mensural minima head@:44@:0@:3.535@:1.99239@:1.99239@:1.7675@:0.822
98@:s1neomensural@} [44]
@{char@:Custos Ed. Vat.@:101@:0@:1.18475@:1.53035@:4.455@:1.18475@:0@:vaticana.
u0@} [101]
@{char@:32th Mensural Flag (up)@:135@:0@:2.12102@:13.25627@:0.35352@:2.12102@:0
@:mensuralu25@} [135]
@{char@:Reverse Custos Hufnagel@:93@:0@:4.10684@:9.45001@:3.42233@:4.10684@:0@:
hufnagel.d1@} [93]
@{char@:Neo-mensural semiminima head@:45@:0@:3.535@:1.99239@:1.99239@:1.7675@:0
.82298@:s2neomensural@} [45]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:3.68018@:3.06679@:5.6125@:3.68018@:0@:hufnagel.
u0@} [89]
@{char@:32th Mensural Flag (up)@:135@:0@:2.38052@:14.87813@:0.39677@:2.38052@:0
@:mensuralu25@} [135]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:3.15001@:1.79329@:1.
79329@:3.15001@:0@:urM2mensural@} [58]
@{char@:Hufnagel do/fa clef@:85@:0@:5.99998@:15.74997@:3.75@:5.99998@:0@:hufnag
el.do.fa@} [85]
@{char@:Reverse Custos Hufnagel@:94@:0@:4.10684@:7.875@:3.42233@:4.10684@:0@:hu
fnagel.d2@} [94]
@{char@:Custos Ed. Vat.@:102@:0@:1.18475@:1.53035@:6.68251@:1.18475@:0@:vatican
a.u1@} [102]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:4.59552@:2.59012@:2.59012
@:4.59552@:0@:s0harmonic@} [46]
@{char@:Custos Hufnagel@:90@:0@:3.68018@:3.06679@:8.41876@:3.68018@:0@:hufnagel
.u1@} [90]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:4.59552@:2.59012@:2.5901
2@:4.59552@:0@:s2harmonic@} [47]
@{char@:64th Mensural Flag (up)@:139@:0@:1.89003@:15.75005@:0.31502@:1.89003@:0
@:mensuralu06@} [139]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:3.15001@:1.79329@:
1.79329@:3.15001@:0@:drM2mensural@} [59]
@{char@:Custos Hufnagel@:91@:0@:3.68018@:3.06679@:7.01563@:3.68018@:0@:hufnagel
.u2@} [91]
@{char@:Custos Ed. Vat.@:103@:0@:1.18475@:1.53035@:5.56876@:1.18475@:0@:vatican
a.u2@} [103]
@{char@:Hufnagel do/fa clef@:86@:0@:4.8@:14.59999@:3.00002@:4.8@:0@:hufnagel.do
.fa_change@} [86]
@{char@:32th Mensural Flag (down)@:136@:2.38052@:0@:0.39677@:15.87@:0@:0@:mensu
rald05@} [136]
@{char@:Custos Med.@:95@:0@:1.71117@:3.42233@:6.3@:1.71117@:0@:medicaea.u0@}
[95]
@{char@:Reverse Custos Hufnagel@:92@:0@:3.68018@:5.6125@:3.06679@:3.68018@:0@:h
ufnagel.d0@} [92]
@{char@:Mensural maxima notehead (up)@:48@:0@:7.07@:1.99239@:1.99239@:7.07@:0@:
uM3mensural@} [48]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:3.15001@:1.793
29@:1.79329@:3.15001@:0@:srM2ligmensural@} [60]
@{char@:Kievan tsefaut clef@:87@:0@:7.5@:11.25@:2.75002@:7.5@:0@:kievan.do@}
[87]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.18475@:4.455@:1.53035@:1.18475@:0@:v
aticana.d0@} [104]
@{char@:Reverse Custos Hufnagel@:93@:0@:3.68018@:8.41876@:3.06679@:3.68018@:0@:
hufnagel.d1@} [93]
@{char@:Mensural maxima notehead (down)@:49@:0@:7.07@:1.99239@:1.99239@:7.07@:0
@:dM3mensural@} [49]
@{char@:Custos Med.@:96@:0@:1.71117@:3.42233@:9.45001@:1.71117@:0@:medicaea.u1@
} [96]
@{char@:Kievan tsefaut clef@:88@:0@:7.5@:11.25@:2.75002@:7.5@:0@:kievan.do_chan
ge@} [88]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.18475@:6.68251@:1.53035@:1.18475@:0@
:vaticana.d1@} [105]
@{char@:Reverse Custos Hufnagel@:94@:0@:3.68018@:7.01563@:3.06679@:3.68018@:0@:
hufnagel.d2@} [94]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:3.15001@:1.79329@:1.793
29@:3.15001@:0@:srM1mensural@} [61]
@{char@:64th Mensural Flag (up)@:140@:0@:1.89003@:14.17505@:0.31502@:1.89003@:0
@:mensuralu16@} [140]
@{char@:32th Mensural Flag (down)@:137@:2.38052@:0@:0.39677@:13.88625@:0@:0@:me
nsurald15@} [137]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:7.07@:1.99239@:1.99239@:7.0
7@:0@:sM3ligmensural@} [50]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.18475@:5.56876@:1.53035@:1.18475@:0@
:vaticana.d2@} [106]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:3.30006@:2.75003@:5@:3.30006@:0@:hufnagel.u0@}
[89]
@{char@:Custos Med.@:97@:0@:1.71117@:3.42233@:7.875@:1.71117@:0@:medicaea.u2@}
[97]
@{char@:Custos Med.@:95@:0@:1.53339@:3.06679@:5.6125@:1.53339@:0@:medicaea.u0@}
[95]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:6.30002@:1.79329@:1.
79329@:6.30002@:0@:uM3semimensural@} [62]
@{char@:Custos Hufnagel@:90@:0@:3.30006@:2.75003@:7.5@:3.30006@:0@:hufnagel.u1@
} [90]
@{char@:Mensural longa notehead (up)@:51@:0@:3.535@:1.99239@:1.99239@:3.535@:0@
:uM2mensural@} [51]
@{char@:Custos Mensural@:107@:0@:5.9236@:1.629@:8.91@:5.9236@:0@:mensural.u0@}
[107]
@{char@:Custos Med.@:96@:0@:1.53339@:3.06679@:8.41876@:1.53339@:0@:medicaea.u1@
} [96]
@{char@:32th Mensural Flag (down)@:138@:2.38052@:0@:0.39677@:14.87813@:0@:0@:me
nsurald25@} [138]
@{char@:Custos Hufnagel@:91@:0@:3.30006@:2.75003@:6.25@:3.30006@:0@:hufnagel.u2
@} [91]
@{char@:32th Mensural Flag (down)@:136@:2.12102@:0@:0.35352@:14.14001@:0@:0@:me
nsurald05@} [136]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:6.30002@:1.79329@:
1.79329@:6.30002@:0@:dM3semimensural@} [63]
@{char@:Reverse Custos Med.@:98@:0@:1.71117@:6.3@:3.42233@:1.71117@:0@:medicaea
.d0@} [98]
@{char@:Custos Med.@:97@:0@:1.53339@:3.06679@:7.01563@:1.53339@:0@:medicaea.u2@
} [97]
@{char@:Mensural longa notehead (down)@:52@:0@:3.535@:1.99239@:1.99239@:3.535@:
0@:dM2mensural@} [52]
@{char@:Custos Mensural@:108@:0@:5.9236@:1.629@:11.13751@:5.9236@:0@:mensural.u
1@} [108]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:6.30002@:1.793
29@:1.79329@:6.30002@:0@:sM3semiligmensural@} [64]
@{char@:Reverse Custos Med.@:99@:0@:1.71117@:9.45001@:3.42233@:1.71117@:0@:medi
caea.d1@} [99]
@{char@:Reverse Custos Med.@:98@:0@:1.53339@:5.6125@:3.06679@:1.53339@:0@:medic
aea.d0@} [98]
@{char@:64th Mensural Flag (up)@:141@:0@:1.89003@:14.96254@:0.31502@:1.89003@:0
@:mensuralu26@} [141]
@{char@:32th Mensural Flag (down)@:137@:2.12102@:0@:0.35352@:12.37251@:0@:0@:me
nsurald15@} [137]
@{char@:Mensural longa notehead (ligature)@:53@:0@:3.535@:1.99239@:1.99239@:3.5
35@:0@:sM2ligmensural@} [53]
@{char@:Reverse Custos Med.@:100@:0@:1.71117@:7.875@:3.42233@:1.71117@:0@:medic
aea.d2@} [100]
@{char@:Reverse Custos Med.@:99@:0@:1.53339@:8.41876@:3.06679@:1.53339@:0@:medi
caea.d1@} [99]
@{char@:Custos Mensural@:109@:0@:5.9236@:1.629@:10.02376@:5.9236@:0@:mensural.u
2@} [109]
@{char@:Mensural brevis notehead@:54@:0@:3.535@:1.99239@:1.99239@:3.535@:0@:sM1
mensural@} [54]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:3.15001@:1.79329@:1.7
9329@:3.15001@:0@:uM2semimensural@} [65]
@{char@:Reverse Custos Med.@:100@:0@:1.53339@:7.01563@:3.06679@:1.53339@:0@:med
icaea.d2@} [100]
@{char@:Reverse Custos Mensural@:110@:0@:5.9236@:8.91@:1.629@:5.9236@:0@:mensur
al.d0@} [110]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:7.07@:1.99239@:1.99
239@:7.07@:0@:urM3mensural@} [55]
@{char@:Custos Ed. Vat.@:101@:0@:1.64276@:2.12193@:6.3@:1.64276@:0@:vaticana.u0
@} [101]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:3.15001@:1.79329@:1
.79329@:3.15001@:0@:dM2semimensural@} [66]
@{char@:Custos Ed. Vat.@:101@:0@:1.47209@:1.90149@:5.6125@:1.47209@:0@:vaticana
.u0@} [101]
@{char@:64th Mensural Flag (up)@:139@:0@:2.38052@:19.8375@:0.39677@:2.38052@:0@
:mensuralu06@} [139]
@{char@:Reverse Custos Mensural@:111@:0@:5.9236@:11.13751@:1.629@:5.9236@:0@:me
nsural.d1@} [111]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:7.07@:1.99239@:1.
99239@:7.07@:0@:drM3mensural@} [56]
@{char@:Custos Ed. Vat.@:102@:0@:1.64276@:2.12193@:9.45001@:1.64276@:0@:vatican
a.u1@} [102]
@{char@:Reverse Custos Hufnagel@:92@:0@:3.30006@:5@:2.75003@:3.30006@:0@:hufnag
el.d0@} [92]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:3.15001@:1.7932
9@:1.79329@:3.15001@:0@:sM2semiligmensural@} [67]
@{char@:Custos Ed. Vat.@:102@:0@:1.47209@:1.90149@:8.41876@:1.47209@:0@:vatican
a.u1@} [102]
@{char@:32th Mensural Flag (down)@:138@:2.12102@:0@:0.35352@:13.25627@:0@:0@:me
nsurald25@} [138]
@{char@:Reverse Custos Hufnagel@:93@:0@:3.30006@:7.5@:2.75003@:3.30006@:0@:hufn
agel.d1@} [93]
@{char@:Custos Ed. Vat.@:103@:0@:1.64276@:2.12193@:7.875@:1.64276@:0@:vaticana.
u2@} [103]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:3.15001@:1.79329@:1.79329
@:3.15001@:0@:sM1semimensural@} [68]
@{char@:Reverse Custos Mensural@:112@:0@:5.9236@:10.02376@:1.629@:5.9236@:0@:me
nsural.d2@} [112]
@{puorg@:custodes@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Reverse Custos Hufnagel@:94@:0@:3.30006@:6.25@:2.75003@:3.30006@:0@:huf
nagel.d2@} [94]
@{char@:64th Mensural Flag (down)@:142@:1.89003@:0@:0.31502@:15.75005@:0@:0@:me
nsurald06@} [142]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.64276@:6.3@:2.12193@:1.64276@:0@:vat
icana.d0@} [104]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:7.07@:1.99239
@:1.99239@:7.07@:0@:srM3ligmensural@} [57]
@{char@:Custos Ed. Vat.@:103@:0@:1.47209@:1.90149@:7.01563@:1.47209@:0@:vatican
a.u2@} [103]
@{char@:64th Mensural Flag (up)@:140@:0@:2.38052@:17.85374@:0.39677@:2.38052@:0
@:mensuralu16@} [140]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:6.3000
2@:1.79329@:1.79329@:6.30002@:0@:urM3semimensural@} [69]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.47209@:5.6125@:1.90149@:1.47209@:0@:
vaticana.d0@} [104]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:3.535@:1.99239@:1.99
239@:3.535@:0@:urM2mensural@} [58]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:6.30
002@:1.79329@:1.79329@:6.30002@:0@:drM3semimensural@} [70]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.64276@:9.45001@:2.12193@:1.64276@:0@
:vaticana.d1@} [105]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.47209@:8.41876@:1.90149@:1.47209@:0@
:vaticana.d1@} [105]
@{char@:64th Mensural Flag (up)@:139@:0@:2.12102@:17.67502@:0.35352@:2.12102@:0
@:mensuralu06@} [139]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.44553@:2.67303@:2.67303@:4.455@:2.67303@:0@:medic
aeaM1@} [113]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
6.30002@:1.79329@:1.79329@:6.30002@:0@:srM3semiligmensural@} [71]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.64276@:7.875@:2.12193@:1.64276@:0@:v
aticana.d2@} [106]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.47209@:7.01563@:1.90149@:1.47209@:0@
:vaticana.d2@} [106]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:3.535@:1.99239@:1.
99239@:3.535@:0@:drM2mensural@} [59]
@{char@:64th Mensural Flag (up)@:141@:0@:2.38052@:18.84563@:0.39677@:2.38052@:0
@:mensuralu26@} [141]
@{char@:64th Mensural Flag (down)@:143@:1.89003@:0@:0.31502@:14.17505@:0@:0@:me
nsurald16@} [143]
@{char@:Ed. Vat. Flat@:114@:0.12033@:2.34784@:1.51468@:4.05406@:2.34784@:0@:vat
icanaM1@} [114]
@{char@:Custos Med.@:95@:0@:1.37502@:2.75003@:5@:1.37502@:0@:medicaea.u0@}
[95]
@{char@:Custos Mensural@:107@:0@:7.36028@:2.0241@:11.225@:7.36028@:0@:mensural.
u0@} [107]
@{char@:Custos Mensural@:107@:0@:8.21358@:2.25876@:12.6@:8.21358@:0@:mensural.u
0@} [107]
@{char@:64th Mensural Flag (up)@:140@:0@:2.12102@:15.90752@:0.35352@:2.12102@:0
@:mensuralu16@} [140]
@{char@:Custos Med.@:96@:0@:1.37502@:2.75003@:7.5@:1.37502@:0@:medicaea.u1@}
[96]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:3.15001
@:1.79329@:1.79329@:3.15001@:0@:urM2semimensural@} [72]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:3.535@:1.99239
@:1.99239@:3.535@:0@:srM2ligmensural@} [60]
@{char@:Custos Mensural@:108@:0@:7.36028@:2.0241@:14.03127@:7.36028@:0@:mensura
l.u1@} [108]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:3.535@:1.99239@:1.99239
@:3.535@:0@:srM1mensural@} [61]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:3.150
01@:1.79329@:1.79329@:3.15001@:0@:drM2semimensural@} [73]
@{char@:Custos Mensural@:108@:0@:8.21358@:2.25876@:15.75002@:8.21358@:0@:mensur
al.u1@} [108]
@{char@:Custos Med.@:97@:0@:1.37502@:2.75003@:6.25@:1.37502@:0@:medicaea.u2@}
[97]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:7.07@:1.99239@:1.992
39@:7.07@:0@:uM3semimensural@} [62]
@{char@:Ed. Vat. Natural@:115@:0.19254@:1.9745@:3.38577@:3.38577@:1.9745@:0@:va
ticana0@} [115]
@{char@:64th Mensural Flag (down)@:142@:2.38052@:0@:0.39677@:19.8375@:0@:0@:men
surald06@} [142]
@{char@:Custos Mensural@:109@:0@:7.36028@:2.0241@:12.62813@:7.36028@:0@:mensura
l.u2@} [109]
@{char@:64th Mensural Flag (down)@:144@:1.89003@:0@:0.31502@:14.96254@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
@{char@:Custos Mensural@:109@:0@:8.21358@:2.25876@:14.175@:8.21358@:0@:mensural
.u2@} [109]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:7.07@:1.99239@:1.9
9239@:7.07@:0@:dM3semimensural@} [63]
@{char@:64th Mensural Flag (up)@:141@:0@:2.12102@:16.79128@:0.35352@:2.12102@:0
@:mensuralu26@} [141]
@{char@:Reverse Custos Med.@:98@:0@:1.37502@:5@:2.75003@:1.37502@:0@:medicaea.d
0@} [98]
@{char@:Reverse Custos Mensural@:110@:0@:8.21358@:12.6@:2.25876@:8.21358@:0@:me
nsural.d0@} [110]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:7.07@:1.99239@
:1.99239@:7.07@:0@:sM3semiligmensural@} [64]
@{char@:Reverse Custos Mensural@:110@:0@:7.36028@:11.225@:2.0241@:7.36028@:0@:m
ensural.d0@} [110]
@{char@:Reverse Custos Med.@:99@:0@:1.37502@:7.5@:2.75003@:1.37502@:0@:medicaea
.d1@} [99]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural44@} [145]
@{char@:Reverse Custos Mensural@:111@:0@:7.36028@:14.03127@:2.0241@:7.36028@:0@
:mensural.d1@} [111]
@{char@:Reverse Custos Mensural@:111@:0@:8.21358@:15.75002@:2.25876@:8.21358@:0
@:mensural.d1@} [111]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:3.535@:1.99239@:1.992
39@:3.535@:0@:uM2semimensural@} [65]
@{char@:Mensural Sharp@:116@:1.61812@:2.5091@:1.9745@:1.9745@:2.5091@:0@:mensur
al1@} [116]
@{char@:64th Mensural Flag (down)@:143@:2.38052@:0@:0.39677@:17.85374@:0@:0@:me
nsurald16@} [143]
@{char@:Mensural 2/2 meter@:146@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al22@} [146]
@{char@:Reverse Custos Med.@:100@:0@:1.37502@:6.25@:2.75003@:1.37502@:0@:medica
ea.d2@} [100]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:3
.15001@:1.79329@:1.79329@:3.15001@:0@:srM2semiligmensural@} [74]
@{char@:Reverse Custos Mensural@:112@:0@:7.36028@:12.62813@:2.0241@:7.36028@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:3.535@:1.99239@:1.9
9239@:3.535@:0@:dM2semimensural@} [66]
@{char@:64th Mensural Flag (down)@:142@:2.12102@:0@:0.35352@:17.67502@:0@:0@:me
nsurald06@} [142]
@{char@:Mensural 3/2 meter@:147@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural32@} [147]
@{char@:Custos Ed. Vat.@:101@:0@:1.32004@:1.7051@:5@:1.32004@:0@:vaticana.u0@}
[101]
@{char@:Mensural Flat@:117@:0.36101@:2.14297@:1.47476@:8.38002@:2.14297@:0@:men
suralM1@} [117]
@{char@:Reverse Custos Mensural@:112@:0@:8.21358@:14.175@:2.25876@:8.21358@:0@:
mensural.d2@} [112]
@{puorg@:custodes@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:3.15001@:1
.79329@:1.79329@:3.15001@:0@:srM1semimensural@} [75]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:3.535@:1.99239@
:1.99239@:3.535@:0@:sM2semiligmensural@} [67]
@{char@:Custos Ed. Vat.@:102@:0@:1.32004@:1.7051@:7.5@:1.32004@:0@:vaticana.u1@
} [102]
@{char@:Mensural 6/4 meter@:148@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural64@} [148]
@{char@:Black mensural maxima notehead (up)@:76@:0@:6.30002@:1.79329@:1.79329@:
6.30002@:0@:uM3blackmensural@} [76]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.63004@:3.78004@:3.78004@:6.3@:3.78004@:0@:medicae
aM1@} [113]
@{char@:Custos Ed. Vat.@:103@:0@:1.32004@:1.7051@:6.25@:1.32004@:0@:vaticana.u2
@} [103]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:3.535@:1.99239@:1.99239@:
3.535@:0@:sM1semimensural@} [68]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.56128@:3.36754@:3.36754@:5.6125@:3.36754@:0@:medi
caeaM1@} [113]
@{char@:Black mensural maxima notehead (down)@:77@:0@:6.30002@:1.79329@:1.79329
@:6.30002@:0@:dM3blackmensural@} [77]
@{char@:Mensural 9/4 meter@:149@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural94@} [149]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.32004@:5@:1.7051@:1.32004@:0@:vatica
na.d0@} [104]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:7.07@:
1.99239@:1.99239@:7.07@:0@:urM3semimensural@} [69]
@{char@:Ed. Vat. Flat@:114@:0.13617@:3.28618@:2.14198@:5.73303@:3.28618@:0@:vat
icanaM1@} [114]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:6.30002@:1.79329@:1.7
9329@:6.30002@:0@:sM3blackligmensural@} [78]
@{char@:Ed. Vat. Flat@:114@:0.13026@:2.93652@:1.90823@:5.1074@:2.93652@:0@:vati
canaM1@} [114]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.32004@:7.5@:1.7051@:1.32004@:0@:vati
cana.d1@} [105]
@{char@:64th Mensural Flag (down)@:143@:2.12102@:0@:0.35352@:15.90752@:0@:0@:me
nsurald16@} [143]
@{char@:64th Mensural Flag (down)@:144@:2.38052@:0@:0.39677@:18.84563@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:7.07
@:1.99239@:1.99239@:7.07@:0@:drM3semimensural@} [70]
@{char@:Mensural 3/4 meter@:150@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al34@} [150]
@{char@:Ed. Vat. Natural@:115@:0.20842@:2.45338@:4.26547@:4.26547@:2.45338@:0@:
vaticana0@} [115]
@{char@:Black mensural longa notehead (up)@:79@:0@:3.15001@:1.79329@:1.79329@:3
.15001@:0@:uM2blackmensural@} [79]
@{char@:Ed. Vat. Natural@:115@:0.21786@:2.73782@:4.78798@:4.78798@:2.73782@:0@:
vaticana0@} [115]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
7.07@:1.99239@:1.99239@:7.07@:0@:srM3semiligmensural@} [71]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.32004@:6.25@:1.7051@:1.32004@:0@:vat
icana.d2@} [106]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural44@} [145]
@{char@:64th Mensural Flag (down)@:144@:2.12102@:0@:0.35352@:16.79128@:0@:0@:me
nsurald26@} [144]
@{char@:Mensural 6/8 meter@:151@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al68@} [151]
@{puorg@:flags@}
)
@{char@:Black mensural longa notehead (down)@:80@:0@:3.15001@:1.79329@:1.79329@
:3.15001@:0@:dM2blackmensural@} [80]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:Custos Mensural@:107@:0@:6.60004@:1.81502@:10@:6.60004@:0@:mensural.u0@
} [107]
@{char@:Mensural 2/2 meter@:146@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural22@} [146]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:3.535@:
1.99239@:1.99239@:3.535@:0@:urM2semimensural@} [72]
@{char@:Mensural 9/8 meter@:152@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al98@} [152]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural44@} [145]
@{char@:Custos Mensural@:108@:0@:6.60004@:1.81502@:12.5@:6.60004@:0@:mensural.u
1@} [108]
@{char@:Mensural 3/2 meter@:147@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural32@} [147]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:3.15001@:1.79329@:1.79
329@:3.15001@:0@:sM2blackligmensural@} [81]
@{char@:Mensural Sharp@:116@:2.23384@:3.4938@:2.73782@:2.73782@:3.4938@:0@:mens
ural1@} [116]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:3.535
@:1.99239@:1.99239@:3.535@:0@:drM2semimensural@} [73]
@{char@:Mensural 2/2 meter@:146@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural22@} [146]
@{char@:Mensural Sharp@:116@:2.0044@:3.12686@:2.45338@:2.45338@:3.12686@:0@:men
sural1@} [116]
@{char@:Mensural 4/8 meter@:153@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural48@} [153]
@{char@:Mensural 6/4 meter@:148@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural64@} [148]
@{char@:Custos Mensural@:109@:0@:6.60004@:1.81502@:11.25@:6.60004@:0@:mensural.
u2@} [109]
@{char@:Mensural 3/2 meter@:147@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural32@} [147]
@{char@:Black mensural brevis notehead@:82@:0@:3.15001@:1.79329@:1.79329@:3.150
01@:0@:sM1blackmensural@} [82]
@{char@:Mensural 6/8 meter@:154@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural68alt@} [154]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:3
.535@:1.99239@:1.99239@:3.535@:0@:srM2semiligmensural@} [74]
@{char@:Reverse Custos Mensural@:110@:0@:6.60004@:10@:1.81502@:6.60004@:0@:mens
ural.d0@} [110]
@{char@:Mensural Flat@:117@:0.39081@:2.63577@:1.79393@:10.49333@:2.63577@:0@:me
nsuralM1@} [117]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:3.535@:1.9
9239@:1.99239@:3.535@:0@:srM1semimensural@} [75]
@{char@:Mensural Flat@:117@:0.4085@:2.92845@:1.98349@:11.74852@:2.92845@:0@:men
suralM1@} [117]
@{char@:Mensural 6/4 meter@:148@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural64@} [148]
@{char@:Mensural 2/4 meter@:155@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al24@} [155]
@{char@:Mensural 9/4 meter@:149@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural94@} [149]
@{char@:Mensural semibrevis head@:83@:0@:1.81865@:1.57501@:1.57501@:0.90933@:0.
7019@:s0mensural@} [83]
@{char@:Reverse Custos Mensural@:111@:0@:6.60004@:12.5@:1.81502@:6.60004@:0@:me
nsural.d1@} [111]
@{char@:Black mensural maxima notehead (up)@:76@:0@:7.07@:1.99239@:1.99239@:7.0
7@:0@:uM3blackmensural@} [76]
@{char@:Mensural 9/4 meter@:149@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural94@} [149]
@{char@:Mensural 4/4 meter@:156@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural44@} [156]
@{char@:Mensural 3/4 meter@:150@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural34@} [150]
@{char@:Black mensural maxima notehead (down)@:77@:0@:7.07@:1.99239@:1.99239@:7
.07@:0@:dM3blackmensural@} [77]
@{char@:Reverse Custos Mensural@:112@:0@:6.60004@:11.25@:1.81502@:6.60004@:0@:m
ensural.d2@} [112]
@{puorg@:custodes@}
)
@{char@:Mensural minima head@:84@:0@:1.81865@:1.57501@:1.57501@:0.90933@:0.7019
@:s1mensural@} [84]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Mensural 3/4 meter@:150@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural34@} [150]
@{char@:Mensural 2/2 meter@:157@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural22@} [157]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:7.07@:1.99239@:1.9923
9@:7.07@:0@:sM3blackligmensural@} [78]
@{char@:Mensural 6/8 meter@:151@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural68@} [151]
@{char@:Mensural semiminima head@:85@:0@:1.81865@:1.57501@:1.57501@:0.90933@:0.
7019@:s2mensural@} [85]
@{char@:Mensural 6/8 meter@:151@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural68@} [151]
@{char@:Mensural 3/2 meter@:158@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural32@} [158]
@{char@:Black mensural longa notehead (up)@:79@:0@:3.535@:1.99239@:1.99239@:3.5
35@:0@:uM2blackmensural@} [79]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.50003@:3.00003@:3.00003@:5@:3.00003@:0@:medicaeaM
1@} [113]
@{char@:Black mensural semibrevis head@:86@:0@:1.81865@:1.57501@:1.57501@:0.909
33@:0.7019@:s0blackmensural@} [86]
@{char@:Mensural 6/4 meter@:159@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural64@} [159]
@{char@:Mensural 9/8 meter@:152@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural98@} [152]
@{char@:Mensural 9/8 meter@:152@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural98@} [152]
@{char@:Hufnagel Flat@:118@:0.48134@:2.70885@:1.5772@:8.25969@:2.70885@:0@:hufn
agelM1@} [118]
@{char@:Black mensural longa notehead (down)@:80@:0@:3.535@:1.99239@:1.99239@:3
.535@:0@:dM2blackmensural@} [80]
@{char@:Ed. Vat. Flat@:114@:0.12502@:2.62502@:1.69998@:4.55002@:2.62502@:0@:vat
icanaM1@} [114]
@{char@:Kievan sharp@:119@:0@:7.12804@:7.12804@:7.12804@:7.12804@:0@:kievan1@}
[119]
@{char@:Mensural 9/4 meter@:160@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural94@} [160]
@{char@:Petrucci semibrevis head@:87@:0@:3.61525@:2.51059@:2.51059@:1.80763@:1.
37555@:s0petrucci@} [87]
@{char@:Hufnagel Flat@:118@:0.52107@:3.32733@:1.9443@:10.36307@:3.32733@:0@:huf
nagelM1@} [118]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:3.535@:1.99239@:1.9923
9@:3.535@:0@:sM2blackligmensural@} [81]
@{char@:Mensural 4/8 meter@:153@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural48@} [153]
@{char@:Hufnagel Flat@:118@:0.54466@:3.69467@:2.16235@:11.61237@:3.69467@:0@:hu
fnagelM1@} [118]
@{char@:Kievan flat@:120@:0@:4.455@:4.455@:8.01901@:4.455@:0@:kievanM1@} [120]
@{puorg@:accidentals@}
)
@{char@:Ed. Vat. Natural@:115@:0.20001@:2.19998@:3.79997@:3.79997@:2.19998@:0@:
vaticana0@} [115] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:Black mensural brevis notehead@:82@:0@:3.535@:1.99239@:1.99239@:3.535@:
0@:sM1blackmensural@} [82]
@{char@:Mensural 4/8 meter@:153@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural48@} [153]
@{char@:Kievan sharp@:119@:0@:8.98004@:8.98004@:8.98004@:8.98004@:0@:kievan1@}
[119]
@{char@:Petrucci minima head@:88@:0@:3.61525@:2.51059@:2.51059@:1.80763@:1.3755
5@:s1petrucci@} [88]
@{char@:Mensural 3/4 meter@:161@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural34@} [161]
@{char@:Mensural 6/8 meter@:154@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural68alt@} [154]
@{char@:Kievan sharp@:119@:0@:10.08005@:10.08005@:10.08005@:10.08005@:0@:kievan
1@} [119]
@{char@:Kievan flat@:120@:0@:5.6125@:5.6125@:10.10252@:5.6125@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
)
@{char@:Mensural semibrevis head@:83@:0@:2.04092@:1.7675@:1.7675@:1.02046@:0.86
797@:s0mensural@} [83] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:Kievan flat@:120@:0@:6.3@:6.3@:11.34003@:6.3@:0@:kievanM1@} [120]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:Mensural 6/8 meter@:162@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural68@} [162]
@{char@:Mensural Sharp@:116@:1.79999@:2.79996@:2.19998@:2.19998@:2.79996@:0@:me
nsural1@} [116]
@{char@:Mensural 6/8 meter@:154@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural68alt@} [154]
@{char@:Petrucci semiminima head@:89@:0@:3.61525@:2.51059@:2.51059@:1.80763@:1.
37555@:s2petrucci@} [89]
@{char@:Mensural 2/4 meter@:155@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural24@} [155]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:3.36754@:11.225@:0.56128@:3.36754@:0@:m
ensuralu03@} [121]
@{char@:Mensural minima head@:84@:0@:2.04092@:1.7675@:1.7675@:1.02046@:0.86797@
:s1mensural@} [84]
@{char@:Petrucci colored semibrevis head@:90@:0@:3.61525@:2.51059@:2.51059@:1.8
0763@:1.37555@:s0blackpetrucci@} [90]
@{char@:Mensural 9/8 meter@:163@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural98@} [163]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:3.78004@:12.6@:0.63004@:3.78004@:0@:men
suralu03@} [121]
@{char@:Mensural 2/4 meter@:155@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural24@} [155]
@{char@:8th Mensural Flag (up)@:122@:0@:3.36754@:8.41876@:0.56128@:3.36754@:0@:
mensuralu13@} [122]
@{char@:Mensural 4/8 meter@:164@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural48@} [164]
@{char@:Petrucci colored minima head@:91@:0@:3.61525@:2.51059@:2.51059@:1.80763
@:1.37555@:s1blackpetrucci@} [91]
@{char@:Mensural semiminima head@:85@:0@:2.04092@:1.7675@:1.7675@:1.02046@:0.86
797@:s2mensural@} [85]
@{char@:Mensural 4/4 meter@:156@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural44@} [156]
@{char@:8th Mensural Flag (up)@:122@:0@:3.78004@:9.45001@:0.63004@:3.78004@:0@:
mensuralu13@} [122]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:2.67303@:8.91@:0.44553@:2.67303@:0@:men
suralu03@} [121]
@{char@:Mensural Flat@:117@:0.37503@:2.375@:1.62503@:9.37505@:2.375@:0@:mensura
lM1@} [117]
@{char@:8th Mensural Flag (up)@:123@:0@:3.36754@:9.82188@:0.56128@:3.36754@:0@:
mensuralu23@} [123]
@{char@:Mensural 4/4 meter@:156@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural44@} [156]
@{char@:Mensural 2/2 meter@:157@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural22@} [157]
@{char@:8th Mensural Flag (up)@:122@:0@:2.67303@:6.68251@:0.44553@:2.67303@:0@:
mensuralu13@} [122]
@{char@:Mensural 6/8 meter@:165@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural68alt@} [165]
@{char@:Black mensural semibrevis head@:86@:0@:2.04092@:1.7675@:1.7675@:1.02046
@:0.86797@:s0blackmensural@} [86]
@{char@:8th Mensural Flag (up)@:123@:0@:3.78004@:11.02501@:0.63004@:3.78004@:0@
:mensuralu23@} [123]
@{char@:Mensural 3/2 meter@:158@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural32@} [158]
@{char@:8th Mensural Flag (down)@:124@:3.36754@:0@:0.56128@:11.225@:0@:0@:mensu
rald03@} [124]
@{char@:8th Mensural Flag (up)@:123@:0@:2.67303@:7.79625@:0.44553@:2.67303@:0@:
mensuralu23@} [123]
@{char@:Mensural 2/2 meter@:157@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural22@} [157]
@{char@:Petrucci colored semiminima head@:92@:0@:3.61525@:2.51059@:2.51059@:1.8
0763@:1.37555@:s2blackpetrucci@} [92]
@{char@:Petrucci semibrevis head@:87@:0@:4.01665@:2.78934@:2.78934@:2.00833@:1.
61993@:s0petrucci@} [87]
@{char@:Mensural 2/4 meter@:166@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
)
@{char@:8th Mensural Flag (down)@:124@:3.78004@:0@:0.63004@:12.6@:0@:0@:mensura
ld03@} [124] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:Mensural 3/2 meter@:158@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural32@} [158]
@{char@:8th Mensural Flag (down)@:125@:3.36754@:0@:0.56128@:8.41876@:0@:0@:mens
urald13@} [125]
@{char@:8th Mensural Flag (down)@:124@:2.67303@:0@:0.44553@:8.91@:0@:0@:mensura
ld03@} [124]
@{char@:Petrucci minima head@:88@:0@:4.01665@:2.78934@:2.78934@:2.00833@:1.6199
3@:s1petrucci@} [88]
@{group@:scripts@}
@{char@:ictus@:167@:0.21828@:0.21828@:0.55127@:0.55127@:0.21828@:0@:ictus@}
[167]
@{char@:Mensural 6/4 meter@:159@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural64@} [159]
@{char@:8th Mensural Flag (down)@:125@:3.78004@:0@:0.63004@:9.45001@:0@:0@:mens
urald13@} [125]
@{char@:8th Mensural Flag (down)@:126@:3.36754@:0@:0.56128@:9.82188@:0@:0@:mens
urald23@} [126]
@{char@:8th Mensural Flag (down)@:125@:2.67303@:0@:0.44553@:6.68251@:0@:0@:mens
urald13@} [125]
@{char@:Mensural 6/4 meter@:159@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural64@} [159]
@{char@:8th Mensural Flag (down)@:126@:3.78004@:0@:0.63004@:11.02501@:0@:0@:men
surald23@} [126]
@{char@:Petrucci semiminima head@:89@:0@:4.01665@:2.78934@:2.78934@:2.00833@:1.
61993@:s2petrucci@} [89]
@{char@:Ed. Vat. punctum@:93@:0@:1.80902@:1.10596@:1.19562@:1.80902@:0@:svatica
na.punctum@} [93]
@{char@:accentus up@:168@:0.39375@:0.39375@:0.55127@:0.55127@:0.39375@:0@:uacce
ntus@} [168]
@{char@:Petrucci colored semibrevis head@:90@:0@:4.01665@:2.78934@:2.78934@:2.0
0833@:1.61993@:s0blackpetrucci@} [90]
@{char@:16th Mensural Flag (up)@:127@:0@:3.36754@:16.83751@:0.56128@:3.36754@:0
@:mensuralu04@} [127]
@{char@:8th Mensural Flag (down)@:126@:2.67303@:0@:0.44553@:7.79625@:0@:0@:mens
urald23@} [126]
@{char@:Mensural 9/4 meter@:160@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural94@} [160]
@{char@:accentus down@:169@:0.39375@:0.39375@:0.55127@:0.55127@:0.39375@:0@:dac
centus@} [169]
@{char@:Petrucci colored minima head@:91@:0@:4.01665@:2.78934@:2.78934@:2.00833
@:1.61993@:s1blackpetrucci@} [91]
@{char@:16th Mensural Flag (up)@:128@:0@:3.36754@:14.03127@:0.56128@:3.36754@:0
@:mensuralu14@} [128]
@{char@:Petrucci colored semiminima head@:92@:0@:4.01665@:2.78934@:2.78934@:2.0
0833@:1.61993@:s2blackpetrucci@} [92]
@{char@:Mensural 3/4 meter@:161@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural34@} [161]
@{char@:16th Mensural Flag (up)@:127@:0@:3.78004@:18.90001@:0.63004@:3.78004@:0
@:mensuralu04@} [127]
@{char@:Ed. Vat. punctum cavum@:94@:0@:1.80902@:1.10596@:1.19562@:1.80902@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:Hufnagel Flat@:118@:0.50005@:3.00005@:1.75005@:9.25005@:3.00005@:0@:huf
nagelM1@} [118]
@{char@:16th Mensural Flag (up)@:127@:0@:2.67303@:13.365@:0.44553@:2.67303@:0@:
mensuralu04@} [127]
@{char@:half circle@:170@:0.49219@:0.49219@:0@:0.49219@:0.49219@:0@:usemicircul
us@} [170]
@{char@:16th Mensural Flag (up)@:129@:0@:3.36754@:15.43439@:0.56128@:3.36754@:0
@:mensuralu24@} [129]
@{char@:Mensural 6/8 meter@:162@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural68@} [162]
@{char@:Kievan sharp@:119@:0@:8.00003@:8.00003@:8.00003@:8.00003@:0@:kievan1@}
[119]
@{char@:half circle@:171@:0.49219@:0.49219@:0.49219@:0@:0.49219@:0@:dsemicircul
us@} [171]
@{char@:Mensural 9/4 meter@:160@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural94@} [160]
@{char@:Ed. Vat. punctum@:93@:0@:2.00987@:1.21114@:1.31073@:2.00987@:0@:svatica
na.punctum@} [93]
@{char@:16th Mensural Flag (up)@:128@:0@:2.67303@:11.13751@:0.44553@:2.67303@:0
@:mensuralu14@} [128]
@{char@:Mensural 9/8 meter@:163@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural98@} [163]
@{char@:16th Mensural Flag (down)@:130@:3.36754@:0@:0.56128@:16.83751@:0@:0@:me
nsurald04@} [130]
@{char@:Mensural 3/4 meter@:161@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural34@} [161]
@{char@:16th Mensural Flag (up)@:128@:0@:3.78004@:15.75002@:0.63004@:3.78004@:0
@:mensuralu14@} [128]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.00987@:1.21114@:1.31073@:2.00987@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:circle@:172@:0.49219@:0.49219@:0.49219@:0.49219@:0.49219@:0@:circulus@}
[172]
@{char@:Ed. Vat. linea punctum@:95@:0@:2.93239@:1.2553@:1.2553@:2.93239@:0@:sva
ticana.linea.punctum@} [95]
@{char@:Mensural 4/8 meter@:164@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural48@} [164]
@{char@:16th Mensural Flag (up)@:129@:0@:2.67303@:12.25125@:0.44553@:2.67303@:0
@:mensuralu24@} [129]
@{char@:augmentum@:173@:0.39375@:0.39375@:0.39375@:0.39375@:0.39375@:0@:augment
um@} [173]
@{char@:Mensural 6/8 meter@:162@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural68@} [162]
@{char@:Kievan flat@:120@:0@:5@:5@:9.00002@:5@:0@:kievanM1@} [120]
@{puorg@:accidentals@}
)
@{char@:16th Mensural Flag (down)@:131@:3.36754@:0@:0.56128@:14.03127@:0@:0@:me
nsurald14@} [131] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:16th Mensural Flag (up)@:129@:0@:3.78004@:17.32501@:0.63004@:3.78004@:0
@:mensuralu24@} [129]
@{char@:Mensural 6/8 meter@:165@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural68alt@} [165]
@{char@:Ed. Vat. linea punctum@:95@:0@:3.23682@:1.39467@:1.39467@:3.23682@:0@:s
vaticana.linea.punctum@} [95]
@{char@:16th Mensural Flag (down)@:130@:2.67303@:0@:0.44553@:13.365@:0@:0@:mens
urald04@} [130]
@{char@:16th Mensural Flag (down)@:132@:3.36754@:0@:0.56128@:15.43439@:0@:0@:me
nsurald24@} [132]
@{char@:16th Mensural Flag (down)@:130@:3.78004@:0@:0.63004@:18.90001@:0@:0@:me
nsurald04@} [130]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:2.93239@:1.2553@:1.2553@:2.93239@:
0@:svaticana.linea.punctum.cavum@} [96]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:3.00003@:10@:0.50003@:3.00003@:0@:mensu
ralu03@} [121]
@{char@:Mensural 2/4 meter@:166@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
)
@{char@:16th Mensural Flag (down)@:131@:3.78004@:0@:0.63004@:15.75002@:0@:0@:me
nsurald14@} [131] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:signum congruentiae up@:174@:2.22984@:2.22984@:1.09138@:7.82796@:2.2298
4@:0@:usignumcongruentiae@} [174]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:3.23682@:1.39467@:1.39467@:3.23682
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:16th Mensural Flag (down)@:131@:2.67303@:0@:0.44553@:11.13751@:0@:0@:me
nsurald14@} [131]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.0091@:1.43463@:1.43463@:1.00455@:0.56152@
:svaticana.inclinatum@} [97]
@{char@:8th Mensural Flag (up)@:122@:0@:3.00003@:7.5@:0.50003@:3.00003@:0@:mens
uralu13@} [122]
@{char@:32th Mensural Flag (up)@:133@:0@:3.36754@:22.45001@:0.56128@:3.36754@:0
@:mensuralu05@} [133]
@{group@:scripts@}
@{char@:ictus@:167@:0.23232@:0.23232@:0.69432@:0.69432@:0.23232@:0@:ictus@}
[167]
@{char@:16th Mensural Flag (down)@:132@:3.78004@:0@:0.63004@:17.32501@:0@:0@:me
nsurald24@} [132]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:1.80902@:1.08801@:1.07007@:1.80902@:
0@:svaticana.lpes@} [98]
@{char@:Mensural 9/8 meter@:163@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural98@} [163]
@{char@:8th Mensural Flag (up)@:123@:0@:3.00003@:8.75@:0.50003@:3.00003@:0@:men
suralu23@} [123]
@{char@:accentus up@:168@:0.49594@:0.49594@:0.69432@:0.69432@:0.49594@:0@:uacce
ntus@} [168]
@{char@:32th Mensural Flag (up)@:133@:0@:3.78004@:25.20001@:0.63004@:3.78004@:0
@:mensuralu05@} [133]
@{char@:signum congruentiae down@:175@:2.22984@:2.22984@:7.82796@:1.09138@:2.22
984@:0@:dsignumcongruentiae@} [175]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:1.80902@:1.48254@:0.67554@:1.809
02@:0@:svaticana.vlpes@} [99]
@{char@:16th Mensural Flag (down)@:132@:2.67303@:0@:0.44553@:12.25125@:0@:0@:me
nsurald24@} [132]
@{char@:32th Mensural Flag (up)@:134@:0@:3.36754@:19.64377@:0.56128@:3.36754@:0
@:mensuralu15@} [134]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.23216@:1.59392@:1.59392@:1.11609@:0.69438
@:svaticana.inclinatum@} [97]
@{char@:accentus down@:169@:0.49594@:0.49594@:0.69432@:0.69432@:0.49594@:0@:dac
centus@} [169]
@{char@:8th Mensural Flag (down)@:124@:3.00003@:0@:0.50003@:10@:0@:0@:mensurald
03@} [124]
@{char@:Kievan end of piece (slash)@:176@:0@:5.03998@:6.71474@:9.03531@:5.03998
@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:Mensural 4/8 meter@:164@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural48@} [164] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{char@:32th Mensural Flag (up)@:134@:0@:3.78004@:22.05002@:0.63004@:3.78004@:0
@:mensuralu15@} [134]
@{char@:half circle@:170@:0.61992@:0.61992@:0@:0.61992@:0.61992@:0@:usemicircul
us@} [170]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.00987@:1.19118@:1.17126@:2.00987@:
0@:svaticana.lpes@} [98]
@{char@:8th Mensural Flag (down)@:125@:3.00003@:0@:0.50003@:7.5@:0@:0@:mensural
d13@} [125]
@{group@:dots@}
@{char@:duration dot@:177@:0@:0.90448@:0.45224@:0.45224@:0.90448@:0@:dotvatican
a@} [177]
@{char@:half circle@:171@:0.61992@:0.61992@:0.61992@:0@:0.61992@:0@:dsemicircul
us@} [171]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:1.80902@:1.07008@:1.088@:1.80902@:0
@:svaticana.upes@} [100]
@{char@:Kievan augmentation dot@:178@:0@:2.71346@:1.35674@:1.35674@:2.71346@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.00987@:1.6295@:0.73294@:2.0098
7@:0@:svaticana.vlpes@} [99]
@{char@:Mensural 6/8 meter@:165@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural68alt@} [165]
@{char@:32th Mensural Flag (up)@:135@:0@:3.36754@:21.04689@:0.56128@:3.36754@:0
@:mensuralu25@} [135]
@{char@:8th Mensural Flag (down)@:126@:3.00003@:0@:0.50003@:8.75@:0@:0@:mensura
ld23@} [126]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:1.80902@:0.78316@:1.37492@:1.80
902@:0@:svaticana.vupes@} [101]
@{char@:Mensural 2/4 meter@:166@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
)
@{char@:32th Mensural Flag (up)@:135@:0@:3.78004@:23.62502@:0.63004@:3.78004@:0
@:mensuralu25@} [135] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:circle@:172@:0.61992@:0.61992@:0.61992@:0.61992@:0.61992@:0@:circulus@}
[172]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.00987@:1.17128@:1.19116@:2.00987@
:0@:svaticana.upes@} [100]
(some charht values had to be adjusted by as much as 0.39375pt)
(some chardp values had to be adjusted by as much as 0.39375pt)
Font metrics written on parmesan13.tfm.
146 output files written: parmesan13.33 .. parmesan13.178
Transcript written on parmesan13.log.

@{char@:32th Mensural Flag (up)@:133@:0@:2.67303@:17.82@:0.44553@:2.67303@:0@:m
ensuralu05@} [133]
@{char@:16th Mensural Flag (up)@:127@:0@:3.00003@:15@:0.50003@:3.00003@:0@:mens
uralu04@} [127]
@{char@:32th Mensural Flag (down)@:136@:3.36754@:0@:0.56128@:22.45001@:0@:0@:me
nsurald05@} [136]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.00987@:0.8525@:1.50995@:2.009
87@:0@:svaticana.vupes@} [101]
@{group@:scripts@}
@{char@:ictus@:167@:0.22488@:0.22488@:0.61864@:0.61864@:0.22488@:0@:ictus@}
[167]
@{char@:Ed. Vat. plica@:102@:0@:1.08543@:0.7509@:0.80469@:1.08543@:0@:svaticana
.plica@} [102]
@{char@:Ed. Vat. plica@:102@:0@:1.20593@:0.81664@:0.8764@:1.20593@:0@:svaticana
.plica@} [102]
@{char@:32th Mensural Flag (up)@:134@:0@:2.67303@:15.59251@:0.44553@:2.67303@:0
@:mensuralu15@} [134]
@{char@:accentus up@:168@:0.44188@:0.44188@:0.61864@:0.61864@:0.44188@:0@:uacce
ntus@} [168]
@{char@:32th Mensural Flag (down)@:136@:3.78004@:0@:0.63004@:25.20001@:0@:0@:me
nsurald05@} [136]
@{char@:augmentum@:173@:0.49594@:0.49594@:0.49594@:0.49594@:0.49594@:0@:augment
um@} [173]
@{char@:16th Mensural Flag (up)@:128@:0@:3.00003@:12.5@:0.50003@:3.00003@:0@:me
nsuralu14@} [128]
@{char@:Ed. Vat. var plica@:103@:0@:1.08543@:1.01451@:0.6917@:1.08543@:0@:svati
cana.vplica@} [103]
@{char@:signum congruentiae up@:174@:2.68068@:2.68068@:1.16154@:9.56116@:2.6806
8@:0@:usignumcongruentiae@} [174]
@{char@:Ed. Vat. epiphonus@:104@:0@:1.80902@:1.26736@:1.28528@:1.80902@:0@:svat
icana.epiphonus@} [104]
@{char@:32th Mensural Flag (up)@:135@:0@:2.67303@:16.70625@:0.44553@:2.67303@:0
@:mensuralu25@} [135]
@{char@:Ed. Vat. var plica@:103@:0@:1.20593@:1.10953@:0.75085@:1.20593@:0@:svat
icana.vplica@} [103]
@{char@:32th Mensural Flag (down)@:137@:3.36754@:0@:0.56128@:19.64377@:0@:0@:me
nsurald15@} [137]
@{char@:32th Mensural Flag (down)@:137@:3.78004@:0@:0.63004@:22.05002@:0@:0@:me
nsurald15@} [137]
@{char@:16th Mensural Flag (up)@:129@:0@:3.00003@:13.75@:0.50003@:3.00003@:0@:m
ensuralu24@} [129]
@{char@:Ed. Vat. var epiphonus@:105@:0@:1.80902@:1.6619@:0.89075@:1.80902@:0@:s
vaticana.vepiphonus@} [105]
@{char@:signum congruentiae down@:175@:2.68068@:2.68068@:9.56116@:1.16154@:2.68
068@:0@:dsignumcongruentiae@} [175]
@{char@:Ed. Vat. epiphonus@:104@:0@:2.00987@:1.39044@:1.41037@:2.00987@:0@:svat
icana.epiphonus@} [104]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.08543@:0.8047@:0.75089@:1.08543@:0@:svat
icana.reverse.plica@} [106]
@{char@:32th Mensural Flag (down)@:138@:3.36754@:0@:0.56128@:21.04689@:0@:0@:me
nsurald25@} [138]
@{char@:Kievan end of piece (slash)@:176@:0@:6.34796@:8.37637@:11.46112@:6.3479
6@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:accentus down@:169@:0.44188@:0.44188@:0.61864@:0.61864@:0.44188@:0@:dac
centus@} [169] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{char@:32th Mensural Flag (down)@:138@:3.78004@:0@:0.63004@:23.62502@:0@:0@:me
nsurald25@} [138]
@{char@:32th Mensural Flag (down)@:136@:2.67303@:0@:0.44553@:17.82@:0@:0@:mensu
rald05@} [136]
@{char@:16th Mensural Flag (down)@:130@:3.00003@:0@:0.50003@:15@:0@:0@:mensural
d04@} [130]
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.00987@:1.82877@:0.97205@:2.00987@:0@:
svaticana.vepiphonus@} [105]
@{char@:half circle@:170@:0.55235@:0.55235@:0@:0.55235@:0.55235@:0@:usemicircul
us@} [170]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.16763@:0.58382@:0.58382@:1.16763@:0@:dotvatican
a@} [177]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.08543@:1.16513@:0.54108@:1.08543@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.20593@:0.8764@:0.81664@:1.20593@:0@:svat
icana.reverse.plica@} [106]
@{char@:half circle@:171@:0.55235@:0.55235@:0.55235@:0@:0.55235@:0@:dsemicircul
us@} [171]
@{char@:Kievan augmentation dot@:178@:0@:3.50288@:1.75145@:1.75145@:3.50288@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:16th Mensural Flag (down)@:131@:3.00003@:0@:0.50003@:12.5@:0@:0@:mensur
ald14@} [131]
@{char@:64th Mensural Flag (up)@:139@:0@:3.36754@:28.06252@:0.56128@:3.36754@:0
@:mensuralu06@} [139]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.20593@:1.27686@:0.58353@:1.20593@:0@
:svaticana.reverse.vplica@} [107]
@{char@:32th Mensural Flag (down)@:137@:2.67303@:0@:0.44553@:15.59251@:0@:0@:me
nsurald15@} [137]
@{char@:circle@:172@:0.55235@:0.55235@:0.55235@:0.55235@:0.55235@:0@:circulus@}
[172]
(some charht values had to be adjusted by as much as 0.49594pt)
(some chardp values had to be adjusted by as much as 0.49594pt)
Font metrics written on parmesan16.tfm.
146 output files written: parmesan16.33 .. parmesan16.178
Transcript written on parmesan16.log.

@{char@:Ed. Vat. inner cephalicus@:108@:0@:1.80902@:1.2853@:1.26735@:1.80902@:0
@:svaticana.inner.cephalicus@} [108]
@{char@:augmentum@:173@:0.44188@:0.44188@:0.44188@:0.44188@:0.44188@:0@:augment
um@} [173]
@{char@:64th Mensural Flag (up)@:139@:0@:3.78004@:31.50002@:0.63004@:3.78004@:0
@:mensuralu06@} [139]
@{char@:signum congruentiae up@:174@:2.44215@:2.44215@:1.12442@:8.6442@:2.44215
@:0@:usignumcongruentiae@} [174]
@{char@:Ed. Vat. cephalicus@:109@:0@:1.80902@:4.16351@:1.26735@:1.80902@:0@:sva
ticana.cephalicus@} [109]
@{char@:16th Mensural Flag (down)@:132@:3.00003@:0@:0.50003@:13.75@:0@:0@:mensu
rald24@} [132]
@{char@:64th Mensural Flag (up)@:140@:0@:3.36754@:25.25627@:0.56128@:3.36754@:0
@:mensuralu16@} [140]
@{char@:32th Mensural Flag (down)@:138@:2.67303@:0@:0.44553@:16.70625@:0@:0@:me
nsurald25@} [138]
@{char@:Ed. Vat. quilisma@:110@:0@:1.80902@:1.00423@:1.29117@:1.80902@:0@:svati
cana.quilisma@} [110]
@{char@:64th Mensural Flag (up)@:140@:0@:3.78004@:28.35002@:0.63004@:3.78004@:0
@:mensuralu16@} [140]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.00987@:1.41039@:1.39043@:2.00987@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:signum congruentiae down@:175@:2.44215@:2.44215@:8.6442@:1.12442@:2.442
15@:0@:dsignumcongruentiae@} [175]
@{char@:32th Mensural Flag (up)@:133@:0@:3.00003@:20@:0.50003@:3.00003@:0@:mens
uralu05@} [133]
@{char@:Kievan end of piece (slash)@:176@:0@:5.65596@:7.49728@:10.17773@:5.6559
6@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{char@:64th Mensural Flag (up)@:139@:0@:2.67303@:22.27501@:0.44553@:2.67303@:0
@:mensuralu06@} [139]
@{char@:Ed. Vat. cephalicus@:109@:0@:2.00987@:4.60815@:1.39043@:2.00987@:0@:sva
ticana.cephalicus@} [109]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.25568@:0.89665@:0.89665@:
0.62784@:0.02354@:ssolesmes.incl.parvum@} [111]
@{char@:64th Mensural Flag (up)@:141@:0@:3.36754@:26.6594@:0.56128@:3.36754@:0@
:mensuralu26@} [141]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.02841@:0.5142@:0.5142@:1.02841@:0@:dotvaticana@
} [177]
@{char@:Kievan augmentation dot@:178@:0@:3.08524@:1.54262@:1.54262@:3.08524@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:64th Mensural Flag (up)@:141@:0@:3.78004@:29.92502@:0.63004@:3.78004@:0
@:mensuralu26@} [141]
@{char@:Ed. Vat. quilisma@:110@:0@:2.00987@:1.11574@:1.43452@:2.00987@:0@:svati
cana.quilisma@} [110]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:1.80902@:1.14182@:1.98465@:1
.80902@:0@:ssolesmes.auct.asc@} [112]
(some charht values had to be adjusted by as much as 0.44188pt)
(some chardp values had to be adjusted by as much as 0.44188pt)
Font metrics written on parmesan14.tfm.
146 output files written: parmesan14.33 .. parmesan14.178
Transcript written on parmesan14.log.

@{char@:64th Mensural Flag (up)@:140@:0@:2.67303@:20.04752@:0.44553@:2.67303@:0
@:mensuralu16@} [140]
@{char@:Solesmes punctum auctum descendens@:113@:0@:1.80902@:1.98466@:1.1418@:1
.80902@:0@:ssolesmes.auct.desc@} [113]
@{char@:64th Mensural Flag (down)@:142@:3.36754@:0@:0.56128@:28.06252@:0@:0@:me
nsurald06@} [142]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.3951@:0.9962@:0.9962@:0.6
9756@:0.09666@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.0091@:1.43463@:1.43463@:1.0045
5@:0.56152@:ssolesmes.incl.auctum@} [114]
@{char@:64th Mensural Flag (down)@:142@:3.78004@:0@:0.63004@:31.50002@:0@:0@:me
nsurald06@} [142]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.00987@:1.25096@:2.1874@:2.
00987@:0@:ssolesmes.auct.asc@} [112]
@{char@:64th Mensural Flag (down)@:143@:3.36754@:0@:0.56128@:25.25627@:0@:0@:me
nsurald16@} [143]
@{char@:64th Mensural Flag (up)@:141@:0@:2.67303@:21.16125@:0.44553@:2.67303@:0
@:mensuralu26@} [141]
@{char@:Solesmes stropha@:115@:0@:2.0091@:1.43463@:1.43463@:1.00455@:0.56152@:s
solesmes.stropha@} [115]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.00987@:2.18741@:1.25095@:
2.00987@:0@:ssolesmes.auct.desc@} [113]
@{char@:64th Mensural Flag (down)@:144@:3.36754@:0@:0.56128@:26.6594@:0@:0@:men
surald26@} [144]
@{puorg@:flags@}
)
@{char@:Solesmes stropha aucta@:116@:0@:2.0091@:1.43463@:1.43463@:1.00455@:0.56
152@:ssolesmes.stropha.aucta@} [116]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.23216@:1.59392@:1.59392@:1.116
09@:0.69438@:ssolesmes.incl.auctum@} [114]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan16
    font_weight:               Medium
    font_identifier:           parmesan15.87
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -63
    font_underline_thickness:  32
    font_name:                 parmesan16
    font_unique_id:            4046154
    font_size:                 15.8107098381071 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=63.2482671707624; bpppix 0.02; nonstopmode; input parmesan16.mf'"...

@{char@:32th Mensural Flag (up)@:134@:0@:3.00003@:17.5@:0.50003@:3.00003@:0@:me
nsuralu15@} [134]
@{char@:64th Mensural Flag (down)@:143@:3.78004@:0@:0.63004@:28.35002@:0@:0@:me
nsurald16@} [143]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al44@} [145]
@{char@:Solesmes stropha@:115@:0@:2.23216@:1.59392@:1.59392@:1.11609@:0.69438@:
ssolesmes.stropha@} [115]
@{char@:64th Mensural Flag (down)@:142@:2.67303@:0@:0.44553@:22.27501@:0@:0@:me
nsurald06@} [142]
@{char@:Mensural 2/2 meter@:146@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al22@} [146]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan13
    font_weight:               Medium
    font_identifier:           parmesan12.6
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -80
    font_underline_thickness:  40
    font_name:                 parmesan13
    font_unique_id:            4425547
    font_size:                 12.5529265255293 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=79.6626984126984; bpppix 0.02; nonstopmode; input parmesan13.mf'"...

@{char@:Mensural 3/2 meter@:147@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al32@} [147]
@{char@:Solesmes stropha aucta@:116@:0@:2.23216@:1.59392@:1.59392@:1.11609@:0.6
9438@:ssolesmes.stropha.aucta@} [116]
@{char@:64th Mensural Flag (down)@:143@:2.67303@:0@:0.44553@:20.04752@:0@:0@:me
nsurald16@} [143]
@{char@:32th Mensural Flag (up)@:135@:0@:3.00003@:18.75@:0.50003@:3.00003@:0@:m
ensuralu25@} [135]
@{char@:Mensural 6/4 meter@:148@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al64@} [148]
@{char@:Solesmes oriscus@:117@:0@:2.39272@:1.19545@:1.19545@:2.39272@:0@:ssoles
mes.oriscus@} [117]
@{char@:64th Mensural Flag (down)@:144@:3.78004@:0@:0.63004@:29.92502@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
@{char@:Mensural 9/4 meter@:149@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al94@} [149]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mfThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp
@{char@:Mensural 3/4 meter@:150@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al34@} [150] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural44@} [145]
@{char@:Ed. Med. inclinatum@:118@:0@:2.97029@:2.121@:2.121@:1.48515@:1.22147@:s
medicaea.inclinatum@} [118]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan14
    font_weight:               Medium
    font_identifier:           parmesan14.14
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -71
    font_underline_thickness:  35
    font_name:                 parmesan14
    font_unique_id:            4626250
    font_size:                 14.0871731008717 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=70.9865629420085; bpppix 0.02; nonstopmode; input parmesan14.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Solesmes oriscus@:117@:0@:2.15361@:1.07597@:1.07597@:2.15361@:0@:ssoles
mes.oriscus@} [117](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:64th Mensural Flag (down)@:144@:2.67303@:0@:0.44553@:21.16125@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
@{char@:32th Mensural Flag (down)@:136@:3.00003@:0@:0.50003@:20@:0@:0@:mensural
d05@} [136]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:Mensural 6/8 meter@:151@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al68@} [151]
@{char@:Mensural 2/2 meter@:146@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural22@} [146]
@{char@:Ed. Med. punctum@:119@:0@:2.82796@:1.7675@:1.7675@:2.82796@:0@:smedicae
a.punctum@} [119]
@{char@:Mensural 3/2 meter@:147@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural32@} [147]
@{char@:Ed. Med. reverse virga@:120@:0@:2.82796@:1.7675@:8.83751@:2.82796@:0@:s
medicaea.rvirga@} [120]
@{char@:Ed. Med. inclinatum@:118@:0@:2.64679@:1.89@:1.89@:1.3234@:1.01689@:smed
icaea.inclinatum@} [118]
@{char@:Mensural 9/8 meter@:152@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al98@} [152]
@{char@:Ed. Med. virga@:121@:0@:2.82796@:8.83751@:1.7675@:2.82796@:0@:smedicaea
.virga@} [121]
@{char@:Mensural 6/4 meter@:148@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural64@} [148]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al44@} [145])
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan16.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan13.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mfThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
)
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)(./mf2pt1.mp
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:32th Mensural Flag (down)@:137@:3.00003@:0@:0.50003@:17.5@:0@:0@:mensur
ald15@} [137]
@{char@:Mensural 2/2 meter@:146@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural22@} [146]
@{char@:Mensural 9/4 meter@:149@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural94@} [149]
@{char@:Mensural 4/8 meter@:153@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al48@} [153]
@{char@:Ed. Med. punctum@:119@:0@:2.51997@:1.57501@:1.57501@:2.51997@:0@:smedic
aea.punctum@} [119]
@{char@:Hufnagel punctum@:122@:0@:5.04851@:1.7675@:1.7675@:2.52426@:0.86797@:sh
ufnagel.punctum@} [122])
@{char@:Mensural 3/2 meter@:147@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al32@} [147]
@{char@:Ed. Med. reverse virga@:120@:0@:2.51997@:1.57501@:7.87503@:2.51997@:0@:
smedicaea.rvirga@} [120]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
@{char@:Mensural 6/8 meter@:154@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al68alt@} [154]
@{char@:Mensural 3/4 meter@:150@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural34@} [150])
@{char@:32th Mensural Flag (down)@:138@:3.00003@:0@:0.50003@:18.75@:0@:0@:mensu
rald25@} [138]
@{char@:Ed. Med. virga@:121@:0@:2.51997@:7.87503@:1.57501@:2.51997@:0@:smedicae
a.virga@} [121]
@{font@:GNU@:LilyPond@:parmesan@:15.87@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{char@:Mensural 6/4 meter@:148@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al64@} [148]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Mensural 6/8 meter@:151@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural68@} [151]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:4.76102@:3.9675@:3.9675@:4.76102@:0@:M
3neomensural@} [33]
@{char@:Neo-mensural longa rest@:34@:0@:1.587@:3.9675@:3.9675@:1.587@:0@:M2neom
ensural@} [34])
@{char@:Hufnagel virga@:123@:0@:5.04851@:5.3025@:1.7675@:5.04851@:0@:shufnagel.
virga@} [123]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan14.mf
@{char@:Hufnagel punctum@:122@:0@:4.49867@:1.57501@:1.57501@:2.24934@:0.7019@:s
hufnagel.punctum@} [122]
@{char@:Mensural 9/4 meter@:149@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al94@} [149]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Hufnagel pes lower punctum@:124@:0@:7.07@:1.23724@:1.23724@:7.07@:0@:sh
ufnagel.lpes@} [124]
@{char@:Mensural 2/4 meter@:155@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al24@} [155]
@{char@:Neo-mensural breve rest@:35@:0@:1.587@:0@:3.9675@:1.587@:0@:M1neomensur
al@} [35]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Mensural 9/8 meter@:152@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural98@} [152]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
@{char@:Mensural 3/4 meter@:150@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural34@} [150]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Kievan final note@:125@:0@:4.40297@:5.3025@:5.3025@:4.40297@:0@:sM2kiev
an@} [125]
@{char@:64th Mensural Flag (up)@:139@:0@:3.00003@:25@:0.50003@:3.00003@:0@:mens
uralu06@} [139]
@{char@:Neo-mensural whole rest@:36@:0@:1.587@:2.47969@:0@:1.587@:0@:0neomensur
al@} [36]
@{char@:Mensural 4/8 meter@:153@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural48@} [153]
@{char@:Mensural 4/4 meter@:156@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural44@} [156])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Kievan recitative mark@:126@:0@:19.53723@:3.08524@:3.08524@:19.53723@:0
@:sM1kievan@} [126]
@{char@:Neo-mensural half rest@:37@:0@:1.587@:0@:2.47969@:1.587@:0@:1neomensura
l@} [37]
@{char@:Hufnagel virga@:123@:0@:4.49867@:4.72502@:1.57501@:4.49867@:0@:shufnage
l.virga@} [123]
@{char@:Mensural 2/2 meter@:157@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural22@} [157]
@{char@:Mensural 6/8 meter@:151@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural68@} [151]
@{char@:Neo-mensural 4th rest@:38@:0@:3.17401@:0@:3.17401@:3.17401@:0@:2neomens
ural@} [38])
@{char@:Mensural 6/8 meter@:154@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural68alt@} [154]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf))
@{char@:Kievan whole note@:127@:0@:3.535@:3.535@:3.535@:3.535@:0@:s0kievan@}
[127]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Neo-mensural 8th rest@:39@:0@:3.17401@:0@:3.17401@:3.17401@:0@:3neomens
ural@} [39]
@{font@:GNU@:LilyPond@:parmesan@:14.14@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:12.6@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{char@:Neo-mensural 16th rest@:40@:0@:3.17401@:0@:3.9675@:3.17401@:0@:4neomens
ural@} [40]
@{char@:64th Mensural Flag (up)@:140@:0@:3.00003@:22.5@:0.50003@:3.00003@:0@:me
nsuralu16@} [140]
@{char@:Mensural 3/2 meter@:158@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural32@} [158]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:3.78003@:3.15001@:3.15001@:3.78003@:0@
:M3neomensural@} [33]
@{char@:Hufnagel pes lower punctum@:124@:0@:6.30002@:1.10251@:1.10251@:6.30002@
:0@:shufnagel.lpes@} [124]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:4.242@:3.535@:3.535@:4.242@:0@:M3neome
nsural@} [33]
@{char@:Mensural 9/8 meter@:152@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural98@} [152]
@{char@:Mensural maxima rest@:41@:0@:1.19026@:3.9675@:7.935@:1.19026@:0@:M3mens
ural@} [41]
@{char@:Kievan quarter note down@:128@:0@:3.60571@:8.83751@:1.41399@:3.60571@:0
@:d2kievan@} [128]
@{char@:Neo-mensural longa rest@:34@:0@:1.26001@:3.15001@:3.15001@:1.26001@:0@:
M2neomensural@} [34]
@{char@:Mensural longa rest@:42@:0@:1.19026@:3.9675@:3.9675@:1.19026@:0@:M2mens
ural@} [42]
@{char@:Mensural 2/4 meter@:155@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural24@} [155]
@{char@:Kievan final note@:125@:0@:3.85191@:4.72502@:4.72502@:3.85191@:0@:sM2ki
evan@} [125]
@{char@:Neo-mensural longa rest@:34@:0@:1.414@:3.535@:3.535@:1.414@:0@:M2neomen
sural@} [34]
@{char@:Mensural 4/8 meter@:153@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al48@} [153]
@{char@:Neo-mensural breve rest@:35@:0@:1.26001@:0@:3.15001@:1.26001@:0@:M1neom
ensural@} [35]
@{char@:Mensural 6/4 meter@:159@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural64@} [159]
@{char@:Mensural breve rest@:43@:0@:1.19026@:0@:3.9675@:1.19026@:0@:M1mensural@
} [43]
@{char@:Kievan quarter note up@:129@:0@:3.60571@:1.41399@:9.19102@:3.60571@:0@:
u2kievan@} [129]
@{char@:Neo-mensural breve rest@:35@:0@:1.414@:0@:3.535@:1.414@:0@:M1neomensura
l@} [35]
@{char@:Mensural 4/4 meter@:156@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural44@} [156]
@{char@:Mensural whole rest@:44@:0@:1.19026@:2.47969@:0@:1.19026@:0@:0mensural@
} [44]
@{char@:Kievan recitative mark@:126@:0@:17.83868@:2.71346@:2.71346@:17.83868@:0
@:sM1kievan@} [126]
@{char@:Mensural 6/8 meter@:154@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al68alt@} [154]
@{char@:Mensural 9/4 meter@:160@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural94@} [160]
@{char@:Mensural half rest@:45@:0@:1.19026@:0@:2.47969@:1.19026@:0@:1mensural@}
[45]
@{char@:Kievan half note (line position)@:130@:0@:3.7471@:5.65602@:3.535@:3.747
1@:0@:s1kievan@} [130]
@{char@:Neo-mensural whole rest@:36@:0@:1.26001@:1.96875@:0@:1.26001@:0@:0neome
nsural@} [36]
@{char@:Mensural 2/2 meter@:157@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural22@} [157]
@{char@:Neo-mensural whole rest@:36@:0@:1.414@:2.20938@:0@:1.414@:0@:0neomensur
al@} [36]
@{char@:Mensural 4th rest@:46@:0@:3.17401@:0@:3.17401@:3.17401@:0@:2mensural@}
[46]
@{char@:Kievan whole note@:127@:0@:3.15001@:3.15001@:3.15001@:3.15001@:0@:s0kie
van@} [127]
@{char@:Mensural 8th rest@:47@:0@:3.17401@:0@:3.17401@:3.17401@:0@:3mensural@}
[47]
@{char@:Mensural 2/4 meter@:155@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural24@} [155]
@{char@:Mensural 3/4 meter@:161@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural34@} [161]
@{char@:Neo-mensural half rest@:37@:0@:1.26001@:0@:1.96875@:1.26001@:0@:1neomen
sural@} [37]
@{char@:Mensural 3/2 meter@:158@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural32@} [158]
@{char@:Neo-mensural half rest@:37@:0@:1.414@:0@:2.20938@:1.414@:0@:1neomensura
l@} [37]
@{char@:Mensural 16th rest@:48@:0@:3.17401@:0@:3.9675@:3.17401@:0@:4mensural@}
[48]
@{puorg@:rests@}
)
@{char@:64th Mensural Flag (up)@:141@:0@:3.00003@:23.75@:0.50003@:3.00003@:0@:m
ensuralu26@} [141]
@{char@:Kievan half note (space position)@:131@:0@:3.88852@:3.535@:4.94899@:3.8
8852@:0@:sr1kievan@} [131]
@{char@:Kievan quarter note down@:128@:0@:3.21303@:7.87503@:1.25998@:3.21303@:0
@:d2kievan@} [128] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Neo-mensural 4th rest@:38@:0@:2.82802@:0@:2.82802@:2.82802@:0@:2neomens
ural@} [38]
@{char@:Mensural 4/4 meter@:156@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural44@} [156]
@{char@:Mensural 6/4 meter@:159@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural64@} [159]
@{char@:Neo-mensural 4th rest@:38@:0@:2.52002@:0@:2.52002@:2.52002@:0@:2neomens
ural@} [38]
@{char@:Kievan eighth note (down)@:132@:0@:4.41876@:10.60501@:1.7675@:4.41876@:
0@:d3kievan@} [132]
@{char@:Neo-mensural 8th rest@:39@:0@:2.82802@:0@:2.82802@:2.82802@:0@:3neomens
ural@} [39]
@{char@:Mensural 6/8 meter@:162@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural68@} [162]
@{char@:Kievan quarter note up@:129@:0@:3.21303@:1.25998@:8.19005@:3.21303@:0@:
u2kievan@} [129]
@{char@:Neo-mensural 16th rest@:40@:0@:2.82802@:0@:3.535@:2.82802@:0@:4neomensu
ral@} [40]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.98375@:3.17401@:3.17401@:1.98375@:0@:vatican
a.do@} [49]
@{char@:Mensural 9/4 meter@:160@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural94@} [160]
@{char@:Kievan eighth note (up)@:133@:0@:3.535@:1.41399@:10.2515@:3.535@:0@:u3k
ievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
@{char@:Mensural maxima rest@:41@:0@:1.06052@:3.535@:7.07@:1.06052@:0@:M3mensur
al@} [41]
@{char@:Mensural 2/2 meter@:157@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural22@} [157]
@{char@:Neo-mensural 8th rest@:39@:0@:2.52002@:0@:2.52002@:2.52002@:0@:3neomens
ural@} [39]
@{char@:Mensural 9/8 meter@:163@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural98@} [163]
@{char@:Mensural longa rest@:42@:0@:1.06052@:3.535@:3.535@:1.06052@:0@:M2mensur
al@} [42]
@{char@:Kievan half note (line position)@:130@:0@:3.339@:5.04004@:3.15001@:3.33
9@:0@:s1kievan@} [130]
@{char@:Ed. Vat. do clef@:50@:0@:1.98375@:3.17401@:3.17401@:1.98375@:0@:vatican
a.do_change@} [50]
@{char@:64th Mensural Flag (down)@:142@:3.00003@:0@:0.50003@:25@:0@:0@:mensural
d06@} [142]
@{char@:Mensural breve rest@:43@:0@:1.06052@:0@:3.535@:1.06052@:0@:M1mensural@}
[43]
@{char@:Neo-mensural 16th rest@:40@:0@:2.52002@:0@:3.15001@:2.52002@:0@:4neomen
sural@} [40]
@{char@:Mensural 3/4 meter@:161@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural34@} [161]
@{char@:Mensural whole rest@:44@:0@:1.06052@:2.20938@:0@:1.06052@:0@:0mensural@
} [44]
@{char@:Mensural 4/8 meter@:164@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural48@} [164]
@{char@:Mensural maxima rest@:41@:0@:0.945@:3.15001@:6.30002@:0.945@:0@:M3mensu
ral@} [41]
@{char@:Kievan half note (space position)@:131@:0@:3.46503@:3.15001@:4.40999@:3
.46503@:0@:sr1kievan@} [131]
@{char@:Mensural half rest@:45@:0@:1.06052@:0@:2.20938@:1.06052@:0@:1mensural@}
[45]
@{char@:Mensural 3/2 meter@:158@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural32@} [158]
@{char@:Mensural longa rest@:42@:0@:0.945@:3.15001@:3.15001@:0.945@:0@:M2mensur
al@} [42]
@{char@:Ed. Vat. fa clef@:51@:0@:4.16588@:5.95125@:3.17401@:4.16588@:0@:vatican
a.fa@} [51]
@{char@:Mensural 6/8 meter@:165@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural68alt@} [165]
@{char@:Mensural breve rest@:43@:0@:0.945@:0@:3.15001@:0.945@:0@:M1mensural@}
[43]
@{char@:Mensural 4th rest@:46@:0@:2.82802@:0@:2.82802@:2.82802@:0@:2mensural@}
[46]
@{char@:Mensural 6/4 meter@:159@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural64@} [159]
@{char@:Mensural whole rest@:44@:0@:0.945@:1.96875@:0@:0.945@:0@:0mensural@}
[44]
@{char@:Mensural 6/8 meter@:162@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural68@} [162]
@{char@:Mensural 2/4 meter@:166@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural24@} [166]
@{puorg@:timesig@}
)
@{char@:Mensural half rest@:45@:0@:0.945@:0@:1.96875@:0.945@:0@:1mensural@}
[45]
@{char@:Mensural 8th rest@:47@:0@:2.82802@:0@:2.82802@:2.82802@:0@:3mensural@}
[47] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:Ed. Vat. fa clef@:52@:0@:4.16588@:5.95125@:3.17401@:4.16588@:0@:vatican
a.fa_change@} [52]
@{char@:Mensural 4th rest@:46@:0@:2.52002@:0@:2.52002@:2.52002@:0@:2mensural@}
[46]
@{char@:64th Mensural Flag (down)@:143@:3.00003@:0@:0.50003@:22.5@:0@:0@:mensur
ald16@} [143]
@{char@:Kievan eighth note (down)@:132@:0@:3.93752@:9.45003@:1.57501@:3.93752@:
0@:d3kievan@} [132]
@{char@:Mensural 9/4 meter@:160@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural94@} [160]
@{char@:Mensural 16th rest@:48@:0@:2.82802@:0@:3.535@:2.82802@:0@:4mensural@}
[48]
@{puorg@:rests@}
)
@{char@:Mensural 8th rest@:47@:0@:2.52002@:0@:2.52002@:2.52002@:0@:3mensural@}
[47] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Mensural 9/8 meter@:163@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural98@} [163]
@{char@:Ed. Med. do clef@:53@:0@:3.9675@:5.95125@:5.95125@:3.9675@:0@:medicaea.
do@} [53]
@{group@:scripts@}
@{char@:ictus@:167@:0.26054@:0.26054@:0.98221@:0.98221@:0.26054@:0@:ictus@}
[167]
(some charht values had to be adjusted by as much as 0.0975pt)
(some chardp values had to be adjusted by as much as 0.08978pt)
Font metrics written on parmesan-noteheads14.tfm.
101 output files written: parmesan-noteheads14.33 .. parmesan-noteheads14.133
Transcript written on parmesan-noteheads14.log.

@{char@:Mensural 16th rest@:48@:0@:2.52002@:0@:3.15001@:2.52002@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Mensural 3/4 meter@:161@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural34@} [161]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.7675@:2.82802@:2.82802@:1.7675@:0@:vaticana.
do@} [49]
@{char@:Mensural 4/8 meter@:164@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural48@} [164]
@{char@:accentus up@:168@:0.70157@:0.70157@:0.98221@:0.98221@:0.70157@:0@:uacce
ntus@} [168]
@{char@:Ed. Med. do clef@:54@:0@:3.17401@:4.76102@:4.76102@:3.17401@:0@:medicae
a.do_change@} [54]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:1.57501@:2.52002@:2.52002@:1.57501@:0@:vatican
a.do@} [49]
@{char@:Ed. Vat. do clef@:50@:0@:1.7675@:2.82802@:2.82802@:1.7675@:0@:vaticana.
do_change@} [50]
@{char@:Ed. Vat. do clef@:50@:0@:1.57501@:2.52002@:2.52002@:1.57501@:0@:vatican
a.do_change@} [50]
@{char@:accentus down@:169@:0.70157@:0.70157@:0.98221@:0.98221@:0.70157@:0@:dac
centus@} [169]
@{char@:64th Mensural Flag (down)@:144@:3.00003@:0@:0.50003@:23.75@:0@:0@:mensu
rald26@} [144]
@{puorg@:flags@}
)
@{char@:Ed. Med. fa clef@:55@:0@:6.74474@:5.95125@:5.95125@:6.74474@:0@:medicae
a.fa@} [55]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:Ed. Vat. fa clef@:51@:0@:3.71176@:5.3025@:2.82802@:3.71176@:0@:vaticana
.fa@} [51]
@{char@:Ed. Vat. fa clef@:51@:0@:3.30753@:4.72502@:2.52002@:3.30753@:0@:vatican
a.fa@} [51]
@{char@:Kievan eighth note (up)@:133@:0@:3.15001@:1.25998@:9.13501@:3.15001@:0@
:u3kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
@{char@:Mensural 6/8 meter@:165@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural68alt@} [165]
@{char@:half circle@:170@:0.87695@:0.87695@:0@:0.87695@:0.87695@:0@:usemicircul
us@} [170]
@{char@:half circle@:171@:0.87695@:0.87695@:0.87695@:0@:0.87695@:0@:dsemicircul
us@} [171]
@{char@:Mensural 6/8 meter@:162@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural68@} [162]
@{char@:Ed. Vat. fa clef@:52@:0@:3.30753@:4.72502@:2.52002@:3.30753@:0@:vatican
a.fa_change@} [52]
@{char@:Ed. Med. fa clef@:56@:0@:5.39581@:4.76102@:4.76102@:5.39581@:0@:medicae
a.fa_change@} [56]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan-noteheads14
    font_weight:               Medium
    font_identifier:           parmesan14.14
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -71
    font_underline_thickness:  35
    font_name:                 parmesan-noteheads14
    font_unique_id:            4718967
    font_size:                 14.0871731008717 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=70.9865629420085; bpppix 0.02; nonstopmode; input parmesan-noteheads14.mf'"...

(some charht values had to be adjusted by as much as 0.08966pt)
(some chardp values had to be adjusted by as much as 0.07288pt)
Font metrics written on parmesan-noteheads13.tfm.
101 output files written: parmesan-noteheads13.33 .. parmesan-noteheads13.133
Transcript written on parmesan-noteheads13.log.

@{char@:Mensural 2/4 meter@:166@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural24@} [166]
@{puorg@:timesig@}
)
@{char@:Ed. Vat. fa clef@:52@:0@:3.71176@:5.3025@:2.82802@:3.71176@:0@:vaticana
.fa_change@} [52]
@{char@:Ed. Med. do clef@:53@:0@:3.15001@:4.72502@:4.72502@:3.15001@:0@:medicae
a.do@} [53] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural44@} [145]
@{char@:Ed. Med. do clef@:54@:0@:2.52002@:3.78003@:3.78003@:2.52002@:0@:medicae
a.do_change@} [54]
@{char@:Ed. Med. do clef@:53@:0@:3.535@:5.3025@:5.3025@:3.535@:0@:medicaea.do@}
[53]
@{char@:Mensural 9/8 meter@:163@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural98@} [163]
@{char@:neo-mensural c clef@:57@:0@:10.72269@:7.935@:7.935@:10.72269@:0@:neomen
sural.c@} [57]
@{group@:scripts@}
@{char@:ictus@:167@:0.27234@:0.27234@:1.10252@:1.10252@:0.27234@:0@:ictus@}
[167]
@{char@:Mensural 2/2 meter@:146@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural22@} [146]
@{char@:circle@:172@:0.87695@:0.87695@:0.87695@:0.87695@:0.87695@:0@:circulus@}
[172]
@{char@:Ed. Med. fa clef@:55@:0@:5.35501@:4.72502@:4.72502@:5.35501@:0@:medicae
a.fa@} [55]
@{char@:augmentum@:173@:0.70157@:0.70157@:0.70157@:0.70157@:0.70157@:0@:augment
um@} [173]
@{char@:Mensural 3/2 meter@:147@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural32@} [147]
@{char@:Mensural 4/8 meter@:164@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural48@} [164]
@{char@:accentus up@:168@:0.7875@:0.7875@:1.10252@:1.10252@:0.7875@:0@:uaccentu
s@} [168]
@{char@:Ed. Med. do clef@:54@:0@:2.82802@:4.24203@:4.24203@:2.82802@:0@:medicae
a.do_change@} [54]
@{char@:Mensural 6/4 meter@:148@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural64@} [148]
@{char@:signum congruentiae up@:174@:3.58788@:3.58788@:1.30269@:13.04877@:3.587
88@:0@:usignumcongruentiae@} [174]
@{char@:neo-mensural c clef@:58@:0@:8.57816@:6.34802@:6.34802@:8.57816@:0@:neom
ensural.c_change@} [58]
@{char@:accentus down@:169@:0.7875@:0.7875@:1.10252@:1.10252@:0.7875@:0@:daccen
tus@} [169]
@{char@:Mensural 6/8 meter@:165@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural68alt@} [165]
@{char@:half circle@:170@:0.98438@:0.98438@:0@:0.98438@:0.98438@:0@:usemicircul
us@} [170]
@{char@:Mensural 9/4 meter@:149@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural94@} [149]
@{char@:Ed. Med. fa clef@:56@:0@:4.28403@:3.78003@:3.78003@:4.28403@:0@:medicae
a.fa_change@} [56]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Ed. Med. fa clef@:55@:0@:6.00949@:5.3025@:5.3025@:6.00949@:0@:medicaea.
fa@} [55]
@{char@:signum congruentiae down@:175@:3.58788@:3.58788@:13.04877@:1.30269@:3.5
8788@:0@:dsignumcongruentiae@} [175](./mf2pt1.mp
@{char@:Mensural 2/4 meter@:166@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural24@} [166]
@{puorg@:timesig@}
)
@{char@:half circle@:171@:0.98438@:0.98438@:0.98438@:0@:0.98438@:0@:dsemicircul
us@} [171] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:Mensural 3/4 meter@:150@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural34@} [150]
@{char@:Kievan end of piece (slash)@:176@:0@:8.97995@:11.72002@:16.3425@:8.9799
5@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:circle@:172@:0.98438@:0.98438@:0.98438@:0.98438@:0.98438@:0@:circulus@}
[172] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{group@:scripts@}
@{char@:ictus@:167@:0.24068@:0.24068@:0.77965@:0.77965@:0.24068@:0@:ictus@}
[167]
@{char@:Ed. Med. fa clef@:56@:0@:4.80762@:4.24203@:4.24203@:4.80762@:0@:medicae
a.fa_change@} [56]
@{char@:petrucci c1 clef@:59@:0@:3.9675@:5.55447@:12.69598@:3.9675@:0@:petrucci
.c1@} [59]
@{char@:accentus up@:168@:0.55688@:0.55688@:0.77965@:0.77965@:0.55688@:0@:uacce
ntus@} [168]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:augmentum@:173@:0.7875@:0.7875@:0.7875@:0.7875@:0.7875@:0@:augmentum@}
[173]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.69714@:0.84857@:0.84857@:1.69714@:0@:dotvatican
a@} [177]
@{char@:neo-mensural c clef@:57@:0@:8.91934@:6.30002@:6.30002@:8.91934@:0@:neom
ensural.c@} [57]
@{char@:Mensural 6/8 meter@:151@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural68@} [151])
@{char@:Kievan augmentation dot@:178@:0@:5.09143@:2.54572@:2.54572@:5.09143@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads14.m
f
@{char@:accentus down@:169@:0.55688@:0.55688@:0.77965@:0.77965@:0.55688@:0@:dac
centus@} [169] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:petrucci c1 clef@:60@:0@:3.17401@:4.96806@:11.3556@:3.17401@:0@:petrucc
i.c1_change@} [60]
@{char@:signum congruentiae up@:174@:3.96701@:3.96701@:1.36166@:14.50633@:3.967
01@:0@:usignumcongruentiae@} [174]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Mensural 9/8 meter@:152@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural98@} [152]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf
@{char@:half circle@:170@:0.69609@:0.69609@:0@:0.69609@:0.69609@:0@:usemicircul
us@} [170] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

(some charht values had to be adjusted by as much as 0.70157pt)
(some chardp values had to be adjusted by as much as 0.70157pt)
Font metrics written on parmesan23.tfm.
146 output files written: parmesan23.33 .. parmesan23.178
Transcript written on parmesan23.log.

@{char@:half circle@:171@:0.69609@:0.69609@:0.69609@:0@:0.69609@:0@:dsemicircul
us@} [171]
@{char@:Mensural 4/8 meter@:153@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural48@} [153]
@{char@:neo-mensural c clef@:58@:0@:7.1355@:5.04004@:5.04004@:7.1355@:0@:neomen
sural.c_change@} [58]
@{char@:signum congruentiae down@:175@:3.96701@:3.96701@:14.50633@:1.36166@:3.9
6701@:0@:dsignumcongruentiae@} [175])
@{char@:neo-mensural c clef@:57@:0@:9.76862@:7.07@:7.07@:9.76862@:0@:neomensura
l.c@} [57] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:petrucci c2 clef@:61@:0@:3.9675@:9.52197@:12.69598@:3.9675@:0@:petrucci
.c2@} [61]
@{char@:Mensural 6/8 meter@:154@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural68alt@} [154]
@{char@:circle@:172@:0.69609@:0.69609@:0.69609@:0.69609@:0.69609@:0@:circulus@}
[172]
@{char@:Kievan end of piece (slash)@:176@:0@:10.07994@:13.11743@:18.38258@:10.0
7994@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:augmentum@:173@:0.55688@:0.55688@:0.55688@:0.55688@:0.55688@:0@:augment
um@} [173]
@{char@:Mensural 2/4 meter@:155@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural24@} [155]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.91844@:0.95923@:0.95923@:1.91844@:0@:dotvatican
a@} [177])
@{char@:Kievan augmentation dot@:178@:0@:5.75534@:2.87767@:2.87767@:5.75534@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{font@:GNU@:LilyPond@:parmesan@:14.14@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:Mensural 4/4 meter@:156@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural44@} [156]
(some charht values had to be adjusted by as much as 0.7875pt)
(some chardp values had to be adjusted by as much as 0.7875pt)
Font metrics written on parmesan26.tfm.
146 output files written: parmesan26.33 .. parmesan26.178
Transcript written on parmesan26.log.

@{char@:neo-mensural c clef@:58@:0@:7.81494@:5.65604@:5.65604@:7.81494@:0@:neom
ensural.c_change@} [58]
@{char@:Mensural 2/2 meter@:157@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural22@} [157]
@{char@:petrucci c1 clef@:59@:0@:3.15001@:4.40999@:10.08002@:3.15001@:0@:petruc
ci.c1@} [59]
@{char@:signum congruentiae up@:174@:2.94952@:2.94952@:1.20335@:10.5947@:2.9495
2@:0@:usignumcongruentiae@} [174]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:9.19102@:1.99239@:1.99239@:9.
19102@:0@:uM3neomensural@} [33]
@{char@:Mensural 3/2 meter@:158@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural32@} [158]
@{char@:petrucci c2 clef@:62@:0@:3.17401@:8.5167@:11.3556@:3.17401@:0@:petrucci
.c2_change@} [62]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:9.19102@:1.99239@:1.99239@:
9.19102@:0@:dM3neomensural@} [34]
@{char@:Mensural 6/4 meter@:159@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural64@} [159]
@{char@:petrucci c1 clef@:60@:0@:2.52002@:3.9444@:9.01581@:2.52002@:0@:petrucci
.c1_change@} [60]
@{char@:signum congruentiae down@:175@:2.94952@:2.94952@:10.5947@:1.20335@:2.94
952@:0@:dsignumcongruentiae@} [175]
@{char@:petrucci c1 clef@:59@:0@:3.535@:4.94899@:11.312@:3.535@:0@:petrucci.c1@
} [59]
@{char@:petrucci c3 clef@:63@:0@:3.9675@:12.69598@:12.69598@:3.9675@:0@:petrucc
i.c3@} [63]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:7.07@:1.99239@:1.99239@:7.07@:
0@:uM2neomensural@} [35]
@{char@:Kievan end of piece (slash)@:176@:0@:7.12798@:9.36726@:12.90775@:7.1279
8@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:Mensural 9/4 meter@:160@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural94@} [160] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{char@:Mensural 3/4 meter@:161@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural34@} [161]
@{char@:petrucci c2 clef@:61@:0@:3.15001@:7.56@:10.08002@:3.15001@:0@:petrucci.
c2@} [61]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.32455@:0.66228@:0.66228@:1.32455@:0@:dotvatican
a@} [177]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:7.07@:1.99239@:1.99239@:7.07
@:0@:dM2neomensural@} [36]
@{char@:petrucci c3 clef@:64@:0@:3.17401@:11.3556@:11.3556@:3.17401@:0@:petrucc
i.c3_change@} [64]
@{char@:petrucci c1 clef@:60@:0@:2.82802@:4.42648@:10.11772@:2.82802@:0@:petruc
ci.c1_change@} [60]
@{char@:Mensural 6/8 meter@:162@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural68@} [162]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan23
    font_weight:               Medium
    font_identifier:           parmesan22.45
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -45
    font_underline_thickness:  22
    font_name:                 parmesan23
    font_unique_id:            4795142
    font_size:                 22.3661270236613 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=44.7104677060134; bpppix 0.02; nonstopmode; input parmesan23.mf'"...

@{char@:Kievan augmentation dot@:178@:0@:3.97366@:1.98683@:1.98683@:3.97366@:0@
:dotkievan@} [178]
@{char@:Neo-mensural brevis notehead@:37@:0@:7.07@:1.99239@:1.99239@:7.07@:0@:s
M1neomensural@} [37]
@{puorg@:dots@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.55687pt)
(some chardp values had to be adjusted by as much as 0.55687pt)
Font metrics written on parmesan18.tfm.
146 output files written: parmesan18.33 .. parmesan18.178
Transcript written on parmesan18.log.

@{char@:petrucci c4 clef@:65@:0@:3.9675@:12.69598@:9.52197@:3.9675@:0@:petrucci
.c4@} [65]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:9.19102@:1.9923
9@:1.99239@:9.19102@:0@:urM3neomensural@} [38]
@{char@:Mensural 9/8 meter@:163@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural98@} [163]
@{char@:petrucci c2 clef@:61@:0@:3.535@:8.484@:11.312@:3.535@:0@:petrucci.c2@}
[61]
@{char@:Mensural 4/8 meter@:164@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural48@} [164]
@{char@:petrucci c2 clef@:62@:0@:2.52002@:6.76184@:9.01581@:2.52002@:0@:petrucc
i.c2_change@} [62]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:9.19102@:1.99
239@:1.99239@:9.19102@:0@:drM3neomensural@} [39]
@{char@:Mensural 6/8 meter@:165@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural68alt@} [165]
@{char@:petrucci c4 clef@:66@:0@:3.17401@:11.3556@:8.5167@:3.17401@:0@:petrucci
.c4_change@} [66]
@{char@:petrucci c2 clef@:62@:0@:2.82802@:7.58827@:10.11772@:2.82802@:0@:petruc
ci.c2_change@} [62]
@{char@:petrucci c3 clef@:63@:0@:3.15001@:10.08002@:10.08002@:3.15001@:0@:petru
cci.c3@} [63]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:7.07@:1.99239@:1
.99239@:7.07@:0@:urM2neomensural@} [40]
@{char@:Mensural 2/4 meter@:166@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
)
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan26
    font_weight:               Medium
    font_identifier:           parmesan25.2
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -40
    font_underline_thickness:  20
    font_name:                 parmesan26
    font_unique_id:            4859601
    font_size:                 25.1058530510585 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=39.8313492063492; bpppix 0.02; nonstopmode; input parmesan26.mf'"...
 (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{group@:scripts@}
@{char@:ictus@:167@:0.25003@:0.25003@:0.87502@:0.87502@:0.25003@:0@:ictus@}
[167]
@{char@:petrucci c5 clef@:67@:0@:3.9675@:12.69598@:5.55447@:3.9675@:0@:petrucci
.c5@} [67]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan-noteheads13
    font_weight:               Medium
    font_identifier:           parmesan12.6
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -80
    font_underline_thickness:  40
    font_name:                 parmesan-noteheads13
    font_unique_id:            4195049
    font_size:                 12.5529265255293 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=79.6626984126984; bpppix 0.02; nonstopmode; input parmesan-noteheads13.mf'"...

@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:7.07@:1.99239@
:1.99239@:7.07@:0@:drM2neomensural@} [41]
@{char@:accentus up@:168@:0.625@:0.625@:0.87502@:0.87502@:0.625@:0@:uaccentus@}
[168]
@{char@:petrucci c3 clef@:63@:0@:3.535@:11.312@:11.312@:3.535@:0@:petrucci.c3@}
[63]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:7.07@:1.99239@:1.99
239@:7.07@:0@:srM1neomensural@} [42]
@{char@:accentus down@:169@:0.625@:0.625@:0.87502@:0.87502@:0.625@:0@:daccentus
@} [169]
@{char@:Neo-mensural semibrevis head@:43@:0@:3.535@:1.99239@:1.99239@:1.7675@:0
.82298@:s0neomensural@} [43]
@{char@:petrucci c3 clef@:64@:0@:2.52002@:9.01581@:9.01581@:2.52002@:0@:petrucc
i.c3_change@} [64]
@{char@:half circle@:170@:0.78125@:0.78125@:0@:0.78125@:0.78125@:0@:usemicircul
us@} [170]
@{char@:half circle@:171@:0.78125@:0.78125@:0.78125@:0@:0.78125@:0@:dsemicircul
us@} [171]
@{char@:Neo-mensural minima head@:44@:0@:3.535@:1.99239@:1.99239@:1.7675@:0.822
98@:s1neomensural@} [44]
@{char@:petrucci c5 clef@:68@:0@:3.17401@:11.3556@:4.96806@:3.17401@:0@:petrucc
i.c5_change@} [68]
@{char@:Neo-mensural semiminima head@:45@:0@:3.535@:1.99239@:1.99239@:1.7675@:0
.82298@:s2neomensural@} [45]
@{char@:circle@:172@:0.78125@:0.78125@:0.78125@:0.78125@:0.78125@:0@:circulus@}
[172]
@{char@:petrucci c3 clef@:64@:0@:2.82802@:10.11772@:10.11772@:2.82802@:0@:petru
cci.c3_change@} [64]
@{char@:mensural c clef@:69@:0@:4.61795@:8.72849@:8.72849@:4.61795@:0@:mensural
.c@} [69]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:4.59552@:2.59012@:2.59012
@:4.59552@:0@:s0harmonic@} [46]
@{char@:augmentum@:173@:0.625@:0.625@:0.625@:0.625@:0.625@:0@:augmentum@} [173]

@{char@:petrucci c4 clef@:65@:0@:3.15001@:10.08002@:7.56@:3.15001@:0@:petrucci.
c4@} [65]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:4.59552@:2.59012@:2.5901
2@:4.59552@:0@:s2harmonic@} [47]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:mensural c clef@:70@:0@:3.82446@:6.98282@:6.98282@:3.82446@:0@:mensural
.c_change@} [70](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:black mensural c clef@:71@:0@:4.61795@:8.72849@:8.72849@:4.61795@:0@:bl
ackmensural.c@} [71]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Mensural maxima notehead (up)@:48@:0@:7.07@:1.99239@:1.99239@:7.07@:0@:
uM3mensural@} [48](./mf2pt1.mp
@{char@:black mensural c clef@:72@:0@:3.82446@:6.98282@:6.98282@:3.82446@:0@:bl
ackmensural.c_change@} [72] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Mensural maxima notehead (down)@:49@:0@:7.07@:1.99239@:1.99239@:7.07@:0
@:dM3mensural@} [49]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan18
    font_weight:               Medium
    font_identifier:           parmesan17.82
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -56
    font_underline_thickness:  28
    font_name:                 parmesan18
    font_unique_id:            4719209
    font_size:                 17.7534246575342 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=56.3271604938272; bpppix 0.02; nonstopmode; input parmesan18.mf'"...

@{char@:petrucci c4 clef@:66@:0@:2.52002@:9.01581@:6.76184@:2.52002@:0@:petrucc
i.c4_change@} [66]@{char@:signum congruentiae up@:174@:3.25008@:3.25008@:1.25012@:11.75017@:3.250
08@:0@:usignumcongruentiae@} [174]
@{char@:petrucci c4 clef@:65@:0@:3.535@:11.312@:8.484@:3.535@:0@:petrucci.c4@}
[65]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:7.07@:1.99239@:1.99239@:7.0
7@:0@:sM3ligmensural@} [50]
@{char@:petrucci f clef@:73@:0@:7.7224@:17.85374@:9.91875@:7.7224@:0@:petrucci.
f@} [73])
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan26.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Mensural longa notehead (up)@:51@:0@:3.535@:1.99239@:1.99239@:3.535@:0@
:uM2mensural@} [51]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:signum congruentiae down@:175@:3.25008@:3.25008@:11.75017@:1.25012@:3.2
5008@:0@:dsignumcongruentiae@} [175]) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads13.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:petrucci c4 clef@:66@:0@:2.82802@:10.11772@:7.58827@:2.82802@:0@:petruc
ci.c4_change@} [66]
@{char@:Mensural longa notehead (down)@:52@:0@:3.535@:1.99239@:1.99239@:3.535@:
0@:dM2mensural@} [52]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Kievan end of piece (slash)@:176@:0@:7.99995@:10.47504@:14.52496@:7.999
95@:0@:barline.kievan@} [176]
@{char@:petrucci c5 clef@:67@:0@:3.15001@:10.08002@:4.40999@:3.15001@:0@:petruc
ci.c5@} [67]
@{puorg@:scripts@}
))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:Mensural longa notehead (ligature)@:53@:0@:3.535@:1.99239@:1.99239@:3.5
35@:0@:sM2ligmensural@} [53]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.49998@:0.75@:0.75@:1.49998@:0@:dotvaticana@}
[177]))
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{char@:petrucci c5 clef@:68@:0@:2.52002@:9.01581@:3.9444@:2.52002@:0@:petrucci
.c5_change@} [68]
@{char@:Mensural brevis notehead@:54@:0@:3.535@:1.99239@:1.99239@:3.535@:0@:sM1
mensural@} [54]
@{char@:Kievan augmentation dot@:178@:0@:4.49995@:2.24998@:2.24998@:4.49995@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:petrucci c5 clef@:67@:0@:3.535@:11.312@:4.94899@:3.535@:0@:petrucci.c5@
} [67]
@{font@:GNU@:LilyPond@:parmesan@:25.2@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mfThis is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp)
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:7.07@:1.99239@:1.99
239@:7.07@:0@:urM3mensural@} [55] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:mensural c clef@:69@:0@:3.76118@:6.93001@:6.93001@:3.76118@:0@:mensural
.c@} [69]
@{char@:petrucci f clef@:74@:0@:6.17793@:14.28305@:7.93503@:6.17793@:0@:petrucc
i.f_change@} [74]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:7.56001@:6.3@:6.3@:7.56001@:0@:M3neome
nsural@} [33]
(some charht values had to be adjusted by as much as 0.625pt)
(some chardp values had to be adjusted by as much as 0.625pt)
Font metrics written on parmesan20.tfm.
146 output files written: parmesan20.33 .. parmesan20.178
Transcript written on parmesan20.log.
)
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:7.07@:1.99239@:1.
99239@:7.07@:0@:drM3mensural@} [56]
@{char@:Neo-mensural longa rest@:34@:0@:2.52@:6.3@:6.3@:2.52@:0@:M2neomensural@
} [34]
@{char@:mensural c clef@:70@:0@:3.1312@:5.54404@:5.54404@:3.1312@:0@:mensural.c
_change@} [70]
@{font@:GNU@:LilyPond@:parmesan@:12.6@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:Neo-mensural breve rest@:35@:0@:2.52@:0@:6.3@:2.52@:0@:M1neomensural@}
[35]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:7.07@:1.99239
@:1.99239@:7.07@:0@:srM3ligmensural@} [57]
@{char@:black mensural c clef@:71@:0@:3.76118@:6.93001@:6.93001@:3.76118@:0@:bl
ackmensural.c@} [71](./mf2pt1.mp
@{char@:Neo-mensural whole rest@:36@:0@:2.52@:3.9375@:0@:2.52@:0@:0neomensural@
} [36] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:black mensural c clef@:72@:0@:3.1312@:5.54404@:5.54404@:3.1312@:0@:blac
kmensural.c_change@} [72]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Neo-mensural half rest@:37@:0@:2.52@:0@:3.9375@:2.52@:0@:1neomensural@}
[37]
@{char@:petrucci c5 clef@:68@:0@:2.82802@:10.11772@:4.42648@:2.82802@:0@:petruc
ci.c5_change@} [68]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:3.535@:1.99239@:1.99
239@:3.535@:0@:urM2mensural@} [58]
@{char@:Neo-mensural 4th rest@:38@:0@:5.04002@:0@:5.04002@:5.04002@:0@:2neomens
ural@} [38]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:8.19005@:1.79329@:1.79329@:8.
19005@:0@:uM3neomensural@} [33]
@{char@:mensural c clef@:69@:0@:4.16467@:7.777@:7.777@:4.16467@:0@:mensural.c@}
[69])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan18.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Neo-mensural 8th rest@:39@:0@:5.04002@:0@:5.04002@:5.04002@:0@:3neomens
ural@} [39] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:3.535@:1.99239@:1.
99239@:3.535@:0@:drM2mensural@} [59]
@{char@:mensural c clef@:70@:0@:3.45769@:6.22163@:6.22163@:3.45769@:0@:mensural
.c_change@} [70]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:petrucci f clef@:73@:0@:6.13123@:14.17505@:7.87503@:6.13123@:0@:petrucc
i.f@} [73]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:8.19005@:1.79329@:1.79329@:
8.19005@:0@:dM3neomensural@} [34]
@{char@:Neo-mensural 16th rest@:40@:0@:5.04002@:0@:6.3@:5.04002@:0@:4neomensura
l@} [40]
@{char@:black mensural c clef@:71@:0@:4.16467@:7.777@:7.777@:4.16467@:0@:blackm
ensural.c@} [71])
@{char@:Mensural maxima rest@:41@:0@:1.89001@:6.3@:12.6@:1.89001@:0@:M3mensural
@} [41]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:3.535@:1.99239
@:1.99239@:3.535@:0@:srM2ligmensural@} [60]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan23.mf
@{char@:black mensural c clef@:72@:0@:3.45769@:6.22163@:6.22163@:3.45769@:0@:bl
ackmensural.c_change@} [72]
@{char@:Mensural longa rest@:42@:0@:1.89001@:6.3@:6.3@:1.89001@:0@:M2mensural@}
[42])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Mensural breve rest@:43@:0@:1.89001@:0@:6.3@:1.89001@:0@:M1mensural@}
[43]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Neo-mensural longa notehead (up)@:35@:0@:6.30002@:1.79329@:1.79329@:6.3
0002@:0@:uM2neomensural@} [35]
@{char@:Mensural whole rest@:44@:0@:1.89001@:3.9375@:0@:1.89001@:0@:0mensural@}
[44]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:3.535@:1.99239@:1.99239
@:3.535@:0@:srM1mensural@} [61] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
@{char@:Mensural half rest@:45@:0@:1.89001@:0@:3.9375@:1.89001@:0@:1mensural@}
[45]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf)
@{char@:petrucci f clef@:74@:0@:4.905@:11.34009@:6.30005@:4.905@:0@:petrucci.f_
change@} [74]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:Mensural 4th rest@:46@:0@:5.04002@:0@:5.04002@:5.04002@:0@:2mensural@}
[46]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:7.07@:1.99239@:1.992
39@:7.07@:0@:uM3semimensural@} [62])
@{char@:Mensural 8th rest@:47@:0@:5.04002@:0@:5.04002@:5.04002@:0@:3mensural@}
[47])
@{font@:GNU@:LilyPond@:parmesan@:17.82@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{char@:Neo-mensural longa notehead (down)@:36@:0@:6.30002@:1.79329@:1.79329@:6
.30002@:0@:dM2neomensural@} [36]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:7.07@:1.99239@:1.9
9239@:7.07@:0@:dM3semimensural@} [63]
@{char@:petrucci f clef@:73@:0@:6.88057@:15.90752@:8.83751@:6.88057@:0@:petrucc
i.f@} [73])
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:5.346@:4.455@:4.455@:5.346@:0@:M3neome
nsural@} [33]
@{char@:Mensural 16th rest@:48@:0@:5.04002@:0@:6.3@:5.04002@:0@:4mensural@}
[48]
@{puorg@:rests@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Neo-mensural brevis notehead@:37@:0@:6.30002@:1.79329@:1.79329@:6.30002
@:0@:sM1neomensural@} [37]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:7.07@:1.99239@
:1.99239@:7.07@:0@:sM3semiligmensural@} [64]
@{char@:Neo-mensural longa rest@:34@:0@:1.782@:4.455@:4.455@:1.782@:0@:M2neomen
sural@} [34]
@{char@:mensural f clef@:75@:0@:3.78@:1.89@:1.89@:3.78@:0@:mensural.f@} [75])
@{font@:GNU@:LilyPond@:parmesan@:22.45@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{char@:Neo-mensural breve rest@:35@:0@:1.782@:0@:4.455@:1.782@:0@:M1neomensura
l@} [35]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:3.15001@:5.04002@:5.04002@:3.15001@:0@:vatican
a.do@} [49]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:3.535@:1.99239@:1.992
39@:3.535@:0@:uM2semimensural@} [65]
@{char@:Neo-mensural whole rest@:36@:0@:1.782@:2.78438@:0@:1.782@:0@:0neomensur
al@} [36]
@{char@:petrucci f clef@:74@:0@:5.50449@:12.72606@:7.07004@:5.50449@:0@:petrucc
i.f_change@} [74]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:6.73499@:5.6125@:5.6125@:6.73499@:0@:M
3neomensural@} [33]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:8.19005@:1.7932
9@:1.79329@:8.19005@:0@:urM3neomensural@} [38]
@{char@:Neo-mensural half rest@:37@:0@:1.782@:0@:2.78438@:1.782@:0@:1neomensura
l@} [37]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:3.535@:1.99239@:1.9
9239@:3.535@:0@:dM2semimensural@} [66]
@{char@:Neo-mensural longa rest@:34@:0@:2.245@:5.6125@:5.6125@:2.245@:0@:M2neom
ensural@} [34]
@{char@:Ed. Vat. do clef@:50@:0@:3.15001@:5.04002@:5.04002@:3.15001@:0@:vatican
a.do_change@} [50]
@{char@:Neo-mensural 4th rest@:38@:0@:3.56401@:0@:3.56401@:3.56401@:0@:2neomens
ural@} [38]
@{char@:Neo-mensural breve rest@:35@:0@:2.245@:0@:5.6125@:2.245@:0@:M1neomensur
al@} [35]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:3.535@:1.99239@
:1.99239@:3.535@:0@:sM2semiligmensural@} [67]
@{char@:Neo-mensural whole rest@:36@:0@:2.245@:3.50781@:0@:2.245@:0@:0neomensur
al@} [36]
@{char@:Neo-mensural 8th rest@:39@:0@:3.56401@:0@:3.56401@:3.56401@:0@:3neomens
ural@} [39]
@{char@:mensural f clef@:76@:0@:3.02402@:1.51201@:1.51201@:3.02402@:0@:mensural
.f_change@} [76]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan20
    font_weight:               Medium
    font_identifier:           parmesan20
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -50
    font_underline_thickness:  25
    font_name:                 parmesan20
    font_unique_id:            4801305
    font_size:                 19.9252801992528 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=50.1875; bpppix 0.02; nonstopmode; input parmesan20.mf'"...

@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:8.19005@:1.79
329@:1.79329@:8.19005@:0@:drM3neomensural@} [39]
@{char@:Neo-mensural half rest@:37@:0@:2.245@:0@:3.50781@:2.245@:0@:1neomensura
l@} [37]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:3.535@:1.99239@:1.99239@:
3.535@:0@:sM1semimensural@} [68]
@{char@:mensural f clef@:75@:0@:4.24199@:2.121@:2.121@:4.24199@:0@:mensural.f@}
[75]
@{char@:Neo-mensural 16th rest@:40@:0@:3.56401@:0@:4.455@:3.56401@:0@:4neomensu
ral@} [40]
@{char@:Neo-mensural 4th rest@:38@:0@:4.49002@:0@:4.49002@:4.49002@:0@:2neomens
ural@} [38]
@{char@:Ed. Vat. fa clef@:51@:0@:6.61502@:9.45001@:5.04002@:6.61502@:0@:vatican
a.fa@} [51]
@{char@:Mensural maxima rest@:41@:0@:1.33652@:4.455@:8.91@:1.33652@:0@:M3mensur
al@} [41]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:7.07@:
1.99239@:1.99239@:7.07@:0@:urM3semimensural@} [69]
@{char@:Mensural longa rest@:42@:0@:1.33652@:4.455@:4.455@:1.33652@:0@:M2mensur
al@} [42]
@{char@:mensural f clef@:75@:0@:4.76099@:2.3805@:2.3805@:4.76099@:0@:mensural.f
@} [75]
@{char@:Neo-mensural 8th rest@:39@:0@:4.49002@:0@:4.49002@:4.49002@:0@:3neomens
ural@} [39]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:6.30002@:1.79329
@:1.79329@:6.30002@:0@:urM2neomensural@} [40]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:7.07
@:1.99239@:1.99239@:7.07@:0@:drM3semimensural@} [70]
@{char@:Ed. Vat. fa clef@:52@:0@:6.61502@:9.45001@:5.04002@:6.61502@:0@:vatican
a.fa_change@} [52]
@{char@:Neo-mensural 16th rest@:40@:0@:4.49002@:0@:5.6125@:4.49002@:0@:4neomens
ural@} [40]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
7.07@:1.99239@:1.99239@:7.07@:0@:srM3semiligmensural@} [71]
@{char@:Mensural maxima rest@:41@:0@:1.68376@:5.6125@:11.225@:1.68376@:0@:M3men
sural@} [41]
@{char@:Mensural longa rest@:42@:0@:1.68376@:5.6125@:5.6125@:1.68376@:0@:M2mens
ural@} [42]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:6.30002@:1.793
29@:1.79329@:6.30002@:0@:drM2neomensural@} [41]
@{char@:Ed. Med. do clef@:53@:0@:6.3@:9.45001@:9.45001@:6.3@:0@:medicaea.do@}
[53]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:3.535@:
1.99239@:1.99239@:3.535@:0@:urM2semimensural@} [72]
@{char@:mensural f clef@:76@:0@:3.3936@:1.69681@:1.69681@:3.3936@:0@:mensural.f
_change@} [76]
@{char@:Mensural breve rest@:43@:0@:1.68376@:0@:5.6125@:1.68376@:0@:M1mensural@
} [43]
@{char@:mensural f clef@:76@:0@:3.8088@:1.9044@:1.9044@:3.8088@:0@:mensural.f_c
hange@} [76]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Mensural whole rest@:44@:0@:1.68376@:3.50781@:0@:1.68376@:0@:0mensural@
} [44]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:6.30002@:1.79329@:1
.79329@:6.30002@:0@:srM1neomensural@} [42]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:3.535
@:1.99239@:1.99239@:3.535@:0@:drM2semimensural@} [73](./mf2pt1.mp
@{char@:Ed. Med. do clef@:54@:0@:5.04002@:7.56004@:7.56004@:5.04002@:0@:medicae
a.do_change@} [54] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Mensural breve rest@:43@:0@:1.33652@:0@:4.455@:1.33652@:0@:M1mensural@}
[43]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:3
.535@:1.99239@:1.99239@:3.535@:0@:srM2semiligmensural@} [74]
@{char@:petrucci g clef@:77@:0@:3.93752@:2.04749@:11.97005@:3.93752@:0@:petrucc
i.g@} [77]
@{char@:Mensural whole rest@:44@:0@:1.33652@:2.78438@:0@:1.33652@:0@:0mensural@
} [44]
@{char@:petrucci g clef@:77@:0@:4.95938@:2.57886@:15.0765@:4.95938@:0@:petrucci
.g@} [77]
@{char@:Neo-mensural semibrevis head@:43@:0@:3.15001@:1.79329@:1.79329@:1.57501
@:0.65825@:s0neomensural@} [43]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:3.535@:1.9
9239@:1.99239@:3.535@:0@:srM1semimensural@} [75]
@{char@:petrucci g clef@:77@:0@:4.41876@:2.29773@:13.43303@:4.41876@:0@:petrucc
i.g@} [77]
@{char@:Ed. Med. fa clef@:55@:0@:10.70999@:9.45001@:9.45001@:10.70999@:0@:medic
aea.fa@} [55]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Mensural half rest@:45@:0@:1.68376@:0@:3.50781@:1.68376@:0@:1mensural@}
[45]
@{char@:Mensural half rest@:45@:0@:1.33652@:0@:2.78438@:1.33652@:0@:1mensural@}
[45]
@{char@:Neo-mensural minima head@:44@:0@:3.15001@:1.79329@:1.79329@:1.57501@:0.
65825@:s1neomensural@} [44]
@{char@:Mensural 4th rest@:46@:0@:4.49002@:0@:4.49002@:4.49002@:0@:2mensural@}
[46]
@{char@:Black mensural maxima notehead (up)@:76@:0@:7.07@:1.99239@:1.99239@:7.0
7@:0@:uM3blackmensural@} [76]
@{char@:Neo-mensural semiminima head@:45@:0@:3.15001@:1.79329@:1.79329@:1.57501
@:0.65825@:s2neomensural@} [45]
@{char@:Mensural 4th rest@:46@:0@:3.56401@:0@:3.56401@:3.56401@:0@:2mensural@}
[46])
@{char@:Mensural 8th rest@:47@:0@:4.49002@:0@:4.49002@:4.49002@:0@:3mensural@}
[47]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan20.mf
@{char@:Mensural 8th rest@:47@:0@:3.56401@:0@:3.56401@:3.56401@:0@:3mensural@}
[47]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Mensural 16th rest@:48@:0@:4.49002@:0@:5.6125@:4.49002@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Ed. Med. fa clef@:56@:0@:8.56802@:7.56004@:7.56004@:8.56802@:0@:medicae
a.fa_change@} [56] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-generic.mf
@{char@:Mensural 16th rest@:48@:0@:3.56401@:0@:4.455@:3.56401@:0@:4mensural@}
[48]
@{puorg@:rests@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:4.09502@:2.33127@:2.33127
@:4.09502@:0@:s0harmonic@} [46]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:2.80626@:4.49002@:4.49002@:2.80626@:0@:vatican
a.do@} [49]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:4.09502@:2.33127@:2.3312
7@:4.09502@:0@:s2harmonic@} [47])
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:2.22751@:3.56401@:3.56401@:2.22751@:0@:vatican
a.do@} [49]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Ed. Vat. do clef@:50@:0@:2.80626@:4.49002@:4.49002@:2.80626@:0@:vatican
a.do_change@} [50])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:20@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-rests.mf
@{char@:Black mensural maxima notehead (down)@:77@:0@:7.07@:1.99239@:1.99239@:7
.07@:0@:dM3blackmensural@} [77]
@{char@:Mensural maxima notehead (up)@:48@:0@:6.30002@:1.79329@:1.79329@:6.3000
2@:0@:uM3mensural@} [48]
@{group@:rests@}
@{char@:Neo-mensural maxima rest@:33@:0@:6@:5@:5@:6@:0@:M3neomensural@} [33]
@{char@:Ed. Vat. do clef@:50@:0@:2.22751@:3.56401@:3.56401@:2.22751@:0@:vatican
a.do_change@} [50]
@{char@:neo-mensural c clef@:57@:0@:15.86798@:12.6@:12.6@:15.86798@:0@:neomensu
ral.c@} [57]
@{char@:Neo-mensural longa rest@:34@:0@:2@:5@:5@:2@:0@:M2neomensural@} [34]
@{char@:Ed. Vat. fa clef@:51@:0@:5.89314@:8.41876@:4.49002@:5.89314@:0@:vatican
a.fa@} [51]
@{char@:petrucci g clef@:78@:0@:3.15002@:1.638@:9.57608@:3.15002@:0@:petrucci.g
_change@} [78]
@{char@:Neo-mensural breve rest@:35@:0@:2@:0@:5@:2@:0@:M1neomensural@} [35]
@{char@:Mensural maxima notehead (down)@:49@:0@:6.30002@:1.79329@:1.79329@:6.30
002@:0@:dM3mensural@} [49]
@{char@:petrucci g clef@:78@:0@:3.53502@:1.8382@:10.74648@:3.53502@:0@:petrucci
.g_change@} [78]
@{char@:petrucci g clef@:78@:0@:3.96751@:2.0631@:12.06125@:3.96751@:0@:petrucci
.g_change@} [78]
@{char@:Neo-mensural whole rest@:36@:0@:2@:3.125@:0@:2@:0@:0neomensural@} [36]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:6.30002@:1.79329@:1.79329@:
6.30002@:0@:sM3ligmensural@} [50]
@{char@:Ed. Vat. fa clef@:51@:0@:4.67776@:6.68251@:3.56401@:4.67776@:0@:vatican
a.fa@} [51]
@{char@:Neo-mensural half rest@:37@:0@:2@:0@:3.125@:2@:0@:1neomensural@} [37]
@{char@:Ed. Vat. fa clef@:52@:0@:5.89314@:8.41876@:4.49002@:5.89314@:0@:vatican
a.fa_change@} [52]
@{char@:Mensural longa notehead (up)@:51@:0@:3.15001@:1.79329@:1.79329@:3.15001
@:0@:uM2mensural@} [51]
@{char@:Neo-mensural 4th rest@:38@:0@:4.00002@:0@:4.00002@:4.00002@:0@:2neomens
ural@} [38]
@{char@:Ed. Vat. fa clef@:52@:0@:4.67776@:6.68251@:3.56401@:4.67776@:0@:vatican
a.fa_change@} [52]
@{char@:Ed. Med. do clef@:53@:0@:5.6125@:8.41876@:8.41876@:5.6125@:0@:medicaea.
do@} [53]
@{char@:Neo-mensural 8th rest@:39@:0@:4.00002@:0@:4.00002@:4.00002@:0@:3neomens
ural@} [39]
@{char@:neo-mensural c clef@:58@:0@:12.69443@:10.08005@:10.08005@:12.69443@:0@:
neomensural.c_change@} [58]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:7.07@:1.99239@:1.9923
9@:7.07@:0@:sM3blackligmensural@} [78]
@{char@:Neo-mensural 16th rest@:40@:0@:4.00002@:0@:5@:4.00002@:0@:4neomensural@
} [40]
@{char@:Mensural longa notehead (down)@:52@:0@:3.15001@:1.79329@:1.79329@:3.150
01@:0@:dM2mensural@} [52]
@{char@:Ed. Med. do clef@:53@:0@:4.455@:6.68251@:6.68251@:4.455@:0@:medicaea.do
@} [53]
@{char@:Black mensural longa notehead (up)@:79@:0@:3.535@:1.99239@:1.99239@:3.5
35@:0@:uM2blackmensural@} [79]
@{char@:Ed. Med. do clef@:54@:0@:4.49002@:6.73503@:6.73503@:4.49002@:0@:medicae
a.do_change@} [54]
@{char@:Mensural maxima rest@:41@:0@:1.50002@:5@:10@:1.50002@:0@:M3mensural@}
[41]
@{char@:Mensural longa rest@:42@:0@:1.50002@:5@:5@:1.50002@:0@:M2mensural@}
[42]
@{char@:Black mensural longa notehead (down)@:80@:0@:3.535@:1.99239@:1.99239@:3
.535@:0@:dM2blackmensural@} [80]
@{char@:petrucci c1 clef@:59@:0@:6.3@:8.81996@:20.15999@:6.3@:0@:petrucci.c1@}
[59]
@{char@:Mensural breve rest@:43@:0@:1.50002@:0@:5@:1.50002@:0@:M1mensural@}
[43]
@{char@:Ed. Med. do clef@:54@:0@:3.56401@:5.34602@:5.34602@:3.56401@:0@:medicae
a.do_change@} [54]
@{char@:Mensural whole rest@:44@:0@:1.50002@:3.125@:0@:1.50002@:0@:0mensural@}
[44]
@{char@:Ed. Med. fa clef@:55@:0@:9.54124@:8.41876@:8.41876@:9.54124@:0@:medicae
a.fa@} [55]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:3.535@:1.99239@:1.9923
9@:3.535@:0@:sM2blackligmensural@} [81]
@{char@:Mensural half rest@:45@:0@:1.50002@:0@:3.125@:1.50002@:0@:1mensural@}
[45]
@{char@:Black mensural brevis notehead@:82@:0@:3.535@:1.99239@:1.99239@:3.535@:
0@:sM1blackmensural@} [82]
@{char@:Mensural 4th rest@:46@:0@:4.00002@:0@:4.00002@:4.00002@:0@:2mensural@}
[46]
@{char@:petrucci c1 clef@:60@:0@:5.04002@:7.8888@:18.03157@:5.04002@:0@:petrucc
i.c1_change@} [60]
@{char@:Ed. Med. fa clef@:55@:0@:7.57349@:6.68251@:6.68251@:7.57349@:0@:medicae
a.fa@} [55]
@{char@:Mensural 8th rest@:47@:0@:4.00002@:0@:4.00002@:4.00002@:0@:3mensural@}
[47]
@{char@:Ed. Med. fa clef@:56@:0@:7.63303@:6.73503@:6.73503@:7.63303@:0@:medicae
a.fa_change@} [56]
@{char@:Mensural 16th rest@:48@:0@:4.00002@:0@:5@:4.00002@:0@:4mensural@} [48]
@{puorg@:rests@}
)
@{char@:Mensural semibrevis head@:83@:0@:2.04092@:1.7675@:1.7675@:1.02046@:0.86
797@:s0mensural@} [83] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-clefs.mf
@{char@:Ed. Med. fa clef@:56@:0@:6.0588@:5.34602@:5.34602@:6.0588@:0@:medicaea.
fa_change@} [56]
@{group@:clefs@}
@{char@:Ed. Vat. do clef@:49@:0@:2.5@:4.00002@:4.00002@:2.5@:0@:vaticana.do@}
[49]
@{char@:Mensural minima head@:84@:0@:2.04092@:1.7675@:1.7675@:1.02046@:0.86797@
:s1mensural@} [84]
@{char@:Mensural longa notehead (ligature)@:53@:0@:3.15001@:1.79329@:1.79329@:3
.15001@:0@:sM2ligmensural@} [53]
@{char@:Ed. Vat. do clef@:50@:0@:2.5@:4.00002@:4.00002@:2.5@:0@:vaticana.do_cha
nge@} [50]
@{char@:petrucci c2 clef@:61@:0@:6.3@:15.11996@:20.15999@:6.3@:0@:petrucci.c2@}
[61]
@{char@:Mensural semiminima head@:85@:0@:2.04092@:1.7675@:1.7675@:1.02046@:0.86
797@:s2mensural@} [85]
@{char@:neo-mensural c clef@:57@:0@:14.35144@:11.225@:11.225@:14.35144@:0@:neom
ensural.c@} [57]
@{char@:Mensural brevis notehead@:54@:0@:3.15001@:1.79329@:1.79329@:3.15001@:0@
:sM1mensural@} [54]
@{char@:Ed. Vat. fa clef@:51@:0@:5.25002@:7.5@:4.00002@:5.25002@:0@:vaticana.fa
@} [51]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:6.30002@:1.79329@:1
.79329@:6.30002@:0@:urM3mensural@} [55]
@{char@:Black mensural semibrevis head@:86@:0@:2.04092@:1.7675@:1.7675@:1.02046
@:0.86797@:s0blackmensural@} [86]
@{char@:neo-mensural c clef@:57@:0@:11.79803@:8.91@:8.91@:11.79803@:0@:neomensu
ral.c@} [57]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:6.30002@:1.79329@
:1.79329@:6.30002@:0@:drM3mensural@} [56]
@{char@:mensural g clef@:79@:0@:3.93752@:2.04749@:11.97005@:3.93752@:0@:mensura
l.g@} [79]
@{char@:mensural g clef@:79@:0@:4.95938@:2.57886@:15.0765@:4.95938@:0@:mensural
.g@} [79]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:6.30002@:1.79
329@:1.79329@:6.30002@:0@:srM3ligmensural@} [57]
@{char@:Petrucci semibrevis head@:87@:0@:4.01665@:2.78934@:2.78934@:2.00833@:1.
61993@:s0petrucci@} [87]
@{char@:Ed. Vat. fa clef@:52@:0@:5.25002@:7.5@:4.00002@:5.25002@:0@:vaticana.fa
_change@} [52]
@{char@:neo-mensural c clef@:58@:0@:11.48117@:8.98004@:8.98004@:11.48117@:0@:ne
omensural.c_change@} [58]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:3.15001@:1.79329@:1.
79329@:3.15001@:0@:urM2mensural@} [58]
@{char@:Ed. Med. do clef@:53@:0@:5@:7.5@:7.5@:5@:0@:medicaea.do@} [53]
@{char@:Petrucci minima head@:88@:0@:4.01665@:2.78934@:2.78934@:2.00833@:1.6199
3@:s1petrucci@} [88]
@{char@:mensural g clef@:79@:0@:4.41876@:2.29773@:13.43303@:4.41876@:0@:mensura
l.g@} [79]
@{char@:Petrucci semiminima head@:89@:0@:4.01665@:2.78934@:2.78934@:2.00833@:1.
61993@:s2petrucci@} [89]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:3.15001@:1.79329@:
1.79329@:3.15001@:0@:drM2mensural@} [59]
@{char@:Ed. Med. do clef@:54@:0@:4.00002@:6.00003@:6.00003@:4.00002@:0@:medicae
a.do_change@} [54]
@{char@:Petrucci colored semibrevis head@:90@:0@:4.01665@:2.78934@:2.78934@:2.0
0833@:1.61993@:s0blackpetrucci@} [90]
@{char@:petrucci c2 clef@:62@:0@:5.04002@:13.52367@:18.03157@:5.04002@:0@:petru
cci.c2_change@} [62]
@{char@:Petrucci colored minima head@:91@:0@:4.01665@:2.78934@:2.78934@:2.00833
@:1.61993@:s1blackpetrucci@} [91]
@{char@:petrucci c1 clef@:59@:0@:5.6125@:7.85747@:17.95999@:5.6125@:0@:petrucci
.c1@} [59]
@{char@:Petrucci colored semiminima head@:92@:0@:4.01665@:2.78934@:2.78934@:2.0
0833@:1.61993@:s2blackpetrucci@} [92]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:3.15001@:1.793
29@:1.79329@:3.15001@:0@:srM2ligmensural@} [60]
@{char@:Ed. Med. fa clef@:55@:0@:8.49998@:7.5@:7.5@:8.49998@:0@:medicaea.fa@}
[55]
@{char@:neo-mensural c clef@:58@:0@:9.43845@:7.12802@:7.12802@:9.43845@:0@:neom
ensural.c_change@} [58]
@{char@:petrucci c3 clef@:63@:0@:6.3@:20.15999@:20.15999@:6.3@:0@:petrucci.c3@}
[63]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:3.15001@:1.79329@:1.793
29@:3.15001@:0@:srM1mensural@} [61]
@{char@:petrucci c1 clef@:60@:0@:4.49002@:7.02791@:16.06386@:4.49002@:0@:petruc
ci.c1_change@} [60]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:6.30002@:1.79329@:1.
79329@:6.30002@:0@:uM3semimensural@} [62]
@{char@:Ed. Vat. punctum@:93@:0@:2.00987@:1.21114@:1.31073@:2.00987@:0@:svatica
na.punctum@} [93]
@{char@:petrucci c3 clef@:64@:0@:5.04002@:18.03157@:18.03157@:5.04002@:0@:petru
cci.c3_change@} [64]
@{char@:petrucci c1 clef@:59@:0@:4.455@:6.23697@:14.256@:4.455@:0@:petrucci.c1@
} [59]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:6.30002@:1.79329@:
1.79329@:6.30002@:0@:dM3semimensural@} [63]
@{char@:Ed. Med. fa clef@:56@:0@:6.80002@:6.00003@:6.00003@:6.80002@:0@:medicae
a.fa_change@} [56]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.00987@:1.21114@:1.31073@:2.00987@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:6.30002@:1.793
29@:1.79329@:6.30002@:0@:sM3semiligmensural@} [64]
@{char@:petrucci c2 clef@:61@:0@:5.6125@:13.46997@:17.95999@:5.6125@:0@:petrucc
i.c2@} [61]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:3.15001@:1.79329@:1.7
9329@:3.15001@:0@:uM2semimensural@} [65]
@{char@:petrucci c4 clef@:65@:0@:6.3@:20.15999@:15.11996@:6.3@:0@:petrucci.c4@}
[65]
@{char@:Ed. Vat. linea punctum@:95@:0@:3.23682@:1.39467@:1.39467@:3.23682@:0@:s
vaticana.linea.punctum@} [95]
@{char@:neo-mensural c clef@:57@:0@:13.00027@:10@:10@:13.00027@:0@:neomensural.
c@} [57]
@{char@:petrucci c1 clef@:60@:0@:3.56401@:5.5785@:12.75092@:3.56401@:0@:petrucc
i.c1_change@} [60]
@{char@:petrucci c2 clef@:62@:0@:4.49002@:12.04787@:16.06386@:4.49002@:0@:petru
cci.c2_change@} [62]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:3.23682@:1.39467@:1.39467@:3.23682
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:mensural g clef@:80@:0@:3.15002@:1.638@:9.57608@:3.15002@:0@:mensural.g
_change@} [80]
@{char@:neo-mensural c clef@:58@:0@:10.40027@:8.00003@:8.00003@:10.40027@:0@:ne
omensural.c_change@} [58]
@{char@:petrucci c2 clef@:61@:0@:4.455@:10.69197@:14.256@:4.455@:0@:petrucci.c2
@} [61]
@{char@:petrucci c4 clef@:66@:0@:5.04002@:18.03157@:13.52367@:5.04002@:0@:petru
cci.c4_change@} [66]
@{char@:mensural g clef@:80@:0@:3.96751@:2.0631@:12.06125@:3.96751@:0@:mensural
.g_change@} [80]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.23216@:1.59392@:1.59392@:1.11609@:0.69438
@:svaticana.inclinatum@} [97]
@{char@:Hufnagel do clef@:81@:0@:3.46503@:2.205@:2.3625@:3.46503@:0@:hufnagel.d
o@} [81]
@{char@:petrucci c3 clef@:63@:0@:5.6125@:17.95999@:17.95999@:5.6125@:0@:petrucc
i.c3@} [63]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.00987@:1.19118@:1.17126@:2.00987@:
0@:svaticana.lpes@} [98]
@{char@:Hufnagel do clef@:81@:0@:4.36427@:2.77724@:2.97563@:4.36427@:0@:hufnage
l.do@} [81]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.00987@:1.6295@:0.73294@:2.0098
7@:0@:svaticana.vlpes@} [99]
@{char@:petrucci c1 clef@:59@:0@:5@:6.99997@:15.99998@:5@:0@:petrucci.c1@}
[59]
@{char@:petrucci c2 clef@:62@:0@:3.56401@:9.56317@:12.75092@:3.56401@:0@:petruc
ci.c2_change@} [62]
@{char@:Hufnagel do clef@:82@:0@:3.49142@:2.2218@:2.38051@:3.49142@:0@:hufnagel
.do_change@} [82]
@{char@:Hufnagel do clef@:82@:0@:2.77203@:1.764@:1.89001@:2.77203@:0@:hufnagel.
do_change@} [82]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.00987@:1.17128@:1.19116@:2.00987@
:0@:svaticana.upes@} [100]
@{char@:petrucci c5 clef@:67@:0@:6.3@:20.15999@:8.81996@:6.3@:0@:petrucci.c5@}
[67]
@{char@:Hufnagel fa clef@:83@:0@:4.76099@:4.5626@:3.9675@:4.76099@:0@:hufnagel.
fa@} [83]
@{char@:Hufnagel fa clef@:83@:0@:3.78@:3.6225@:3.15001@:3.78@:0@:hufnagel.fa@}
[83]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.00987@:0.8525@:1.50995@:2.009
87@:0@:svaticana.vupes@} [101]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:3.15001@:1.79329@:1
.79329@:3.15001@:0@:dM2semimensural@} [66]
@{char@:Hufnagel fa clef@:84@:0@:3.8088@:3.6501@:3.17401@:3.8088@:0@:hufnagel.f
a_change@} [84]
@{char@:petrucci c3 clef@:64@:0@:4.49002@:16.06386@:16.06386@:4.49002@:0@:petru
cci.c3_change@} [64]
@{char@:Hufnagel fa clef@:84@:0@:3.02402@:2.89801@:2.52002@:3.02402@:0@:hufnage
l.fa_change@} [84]
@{char@:Ed. Vat. plica@:102@:0@:1.20593@:0.81664@:0.8764@:1.20593@:0@:svaticana
.plica@} [102]
@{char@:petrucci c3 clef@:63@:0@:4.455@:14.256@:14.256@:4.455@:0@:petrucci.c3@}
[63]
@{char@:petrucci c5 clef@:68@:0@:5.04002@:18.03157@:7.8888@:5.04002@:0@:petrucc
i.c5_change@} [68]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:3.15001@:1.7932
9@:1.79329@:3.15001@:0@:sM2semiligmensural@} [67]
@{char@:Ed. Vat. var plica@:103@:0@:1.20593@:1.10953@:0.75085@:1.20593@:0@:svat
icana.vplica@} [103]
@{char@:Hufnagel do/fa clef@:85@:0@:3.78@:9.92252@:2.3625@:3.78@:0@:hufnagel.do
.fa@} [85]
@{char@:petrucci c4 clef@:65@:0@:5.6125@:17.95999@:13.46997@:5.6125@:0@:petrucc
i.c4@} [65]
@{char@:Ed. Vat. epiphonus@:104@:0@:2.00987@:1.39044@:1.41037@:2.00987@:0@:svat
icana.epiphonus@} [104]
@{char@:mensural g clef@:80@:0@:3.53502@:1.8382@:10.74648@:3.53502@:0@:mensural
.g_change@} [80]
@{char@:mensural c clef@:69@:0@:7.06253@:13.85999@:13.85999@:7.06253@:0@:mensur
al.c@} [69]
@{char@:petrucci c1 clef@:60@:0@:4.00002@:6.26094@:14.31078@:4.00002@:0@:petruc
ci.c1_change@} [60]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:3.15001@:1.79329@:1.79329
@:3.15001@:0@:sM1semimensural@} [68]
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.00987@:1.82877@:0.97205@:2.00987@:0@:
svaticana.vepiphonus@} [105]
@{char@:Hufnagel do/fa clef@:85@:0@:4.76099@:12.4976@:2.97563@:4.76099@:0@:hufn
agel.do.fa@} [85]
@{char@:mensural c clef@:70@:0@:5.80255@:11.08804@:11.08804@:5.80255@:0@:mensur
al.c_change@} [70]
@{char@:Hufnagel do clef@:81@:0@:3.88852@:2.47449@:2.65126@:3.88852@:0@:hufnage
l.do@} [81]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:6.3000
2@:1.79329@:1.79329@:6.30002@:0@:urM3semimensural@} [69]
@{char@:Hufnagel do/fa clef@:86@:0@:3.02402@:9.19803@:1.89001@:3.02402@:0@:hufn
agel.do.fa_change@} [86]
@{char@:black mensural c clef@:71@:0@:7.06253@:13.85999@:13.85999@:7.06253@:0@:
blackmensural.c@} [71]
@{char@:petrucci c3 clef@:64@:0@:3.56401@:12.75092@:12.75092@:3.56401@:0@:petru
cci.c3_change@} [64]
@{char@:Hufnagel do clef@:82@:0@:3.11084@:1.9796@:2.12102@:3.11084@:0@:hufnagel
.do_change@} [82]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:6.30
002@:1.79329@:1.79329@:6.30002@:0@:drM3semimensural@} [70]
@{char@:Kievan tsefaut clef@:87@:0@:4.72502@:7.08752@:1.73251@:4.72502@:0@:kiev
an.do@} [87]
@{char@:black mensural c clef@:72@:0@:5.80255@:11.08804@:11.08804@:5.80255@:0@:
blackmensural.c_change@} [72]
@{char@:Hufnagel do/fa clef@:86@:0@:3.8088@:11.5851@:2.38051@:3.8088@:0@:hufnag
el.do.fa_change@} [86]
@{char@:Kievan tsefaut clef@:88@:0@:4.72502@:7.08752@:1.73251@:4.72502@:0@:kiev
an.do_change@} [88]
@{puorg@:clefs@}
)
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
6.30002@:1.79329@:1.79329@:6.30002@:0@:srM3semiligmensural@} [71] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:Ed. Vat. rev. plica@:106@:0@:1.20593@:0.8764@:0.81664@:1.20593@:0@:svat
icana.reverse.plica@} [106]
@{char@:Kievan tsefaut clef@:87@:0@:5.95125@:8.92688@:2.18213@:5.95125@:0@:kiev
an.do@} [87]
@{char@:Kievan tsefaut clef@:88@:0@:5.95125@:8.92688@:2.18213@:5.95125@:0@:kiev
an.do_change@} [88]
@{char@:petrucci c4 clef@:66@:0@:4.49002@:16.06386@:12.04787@:4.49002@:0@:petru
cci.c4_change@} [66]
@{puorg@:clefs@}
)
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.20593@:1.27686@:0.58353@:1.20593@:0@
:svaticana.reverse.vplica@} [107] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf
@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.15196@:1.79329@:3.15001@:2.15196@:0@:hufnagel
.u0@} [89]
@{char@:Hufnagel fa clef@:83@:0@:4.24199@:4.06523@:3.535@:4.24199@:0@:hufnagel.
fa@} [83]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:3.15001
@:1.79329@:1.79329@:3.15001@:0@:urM2semimensural@} [72]
@{char@:petrucci c4 clef@:65@:0@:4.455@:14.256@:10.69197@:4.455@:0@:petrucci.c4
@} [65]
@{char@:Custos Hufnagel@:90@:0@:2.15196@:1.79329@:4.72502@:2.15196@:0@:hufnagel
.u1@} [90]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.6593@:2.21606@:3.9675@:2.6593@:0@:hufnagel.u0
@} [89]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:3.150
01@:1.79329@:1.79329@:3.15001@:0@:drM2semimensural@} [73]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.00987@:1.41039@:1.39043@:2.00987@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:petrucci f clef@:73@:0@:12.26242@:28.35002@:15.75002@:12.26242@:0@:petr
ucci.f@} [73]
@{char@:Hufnagel fa clef@:84@:0@:3.39362@:3.2522@:2.82802@:3.39362@:0@:hufnagel
.fa_change@} [84]
@{char@:petrucci c5 clef@:67@:0@:5.6125@:17.95999@:7.85747@:5.6125@:0@:petrucci
.c5@} [67]
@{char@:Custos Hufnagel@:91@:0@:2.15196@:1.79329@:3.93752@:2.15196@:0@:hufnagel
.u2@} [91]
@{char@:Custos Hufnagel@:90@:0@:2.6593@:2.21606@:5.95125@:2.6593@:0@:hufnagel.u
1@} [90]
@{char@:petrucci c4 clef@:66@:0@:3.56401@:12.75092@:9.56317@:3.56401@:0@:petruc
ci.c4_change@} [66]
@{char@:Ed. Vat. cephalicus@:109@:0@:2.00987@:4.60815@:1.39043@:2.00987@:0@:sva
ticana.cephalicus@} [109]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:3
.15001@:1.79329@:1.79329@:3.15001@:0@:srM2semiligmensural@} [74]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.15196@:3.15001@:1.79329@:2.15196@:0@:
hufnagel.d0@} [92]
@{char@:Hufnagel do/fa clef@:85@:0@:4.24199@:11.13524@:2.65126@:4.24199@:0@:huf
nagel.do.fa@} [85]
@{char@:Custos Hufnagel@:91@:0@:2.6593@:2.21606@:4.95938@:2.6593@:0@:hufnagel.u
2@} [91]
@{char@:petrucci c5 clef@:68@:0@:4.49002@:16.06386@:7.02791@:4.49002@:0@:petruc
ci.c5_change@} [68]
@{char@:petrucci f clef@:74@:0@:9.80998@:22.6801@:12.60007@:9.80998@:0@:petrucc
i.f_change@} [74]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:3.15001@:1
.79329@:1.79329@:3.15001@:0@:srM1semimensural@} [75]
@{char@:Ed. Vat. quilisma@:110@:0@:2.00987@:1.11574@:1.43452@:2.00987@:0@:svati
cana.quilisma@} [110]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.6593@:3.9675@:2.21606@:2.6593@:0@:huf
nagel.d0@} [92]
@{char@:mensural c clef@:69@:0@:6.342@:12.34749@:12.34749@:6.342@:0@:mensural.c
@} [69]
@{char@:petrucci c5 clef@:67@:0@:4.455@:14.256@:6.23697@:4.455@:0@:petrucci.c5@
} [67]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.15196@:4.72502@:1.79329@:2.15196@:0@:
hufnagel.d1@} [93]
@{char@:Black mensural maxima notehead (up)@:76@:0@:6.30002@:1.79329@:1.79329@:
6.30002@:0@:uM3blackmensural@} [76]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.6593@:5.95125@:2.21606@:2.6593@:0@:hu
fnagel.d1@} [93]
@{char@:Hufnagel do/fa clef@:86@:0@:3.39362@:10.3222@:2.12102@:3.39362@:0@:hufn
agel.do.fa_change@} [86]
@{char@:mensural c clef@:70@:0@:5.21951@:9.87804@:9.87804@:5.21951@:0@:mensural
.c_change@} [70]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.15196@:3.93752@:1.79329@:2.15196@:0@:
hufnagel.d2@} [94]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.3951@:0.9962@:0.9962@:0.6
9756@:0.09666@:ssolesmes.incl.parvum@} [111]
@{char@:Black mensural maxima notehead (down)@:77@:0@:6.30002@:1.79329@:1.79329
@:6.30002@:0@:dM3blackmensural@} [77]
@{char@:Kievan tsefaut clef@:87@:0@:5.3025@:7.95377@:1.94426@:5.3025@:0@:kievan
.do@} [87]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.6593@:4.95938@:2.21606@:2.6593@:0@:hu
fnagel.d2@} [94]
@{char@:black mensural c clef@:71@:0@:6.342@:12.34749@:12.34749@:6.342@:0@:blac
kmensural.c@} [71]
@{char@:Kievan tsefaut clef@:88@:0@:5.3025@:7.95377@:1.94426@:5.3025@:0@:kievan
.do_change@} [88]
@{puorg@:clefs@}
)
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:6.30002@:1.79329@:1.7
9329@:6.30002@:0@:sM3blackligmensural@} [78] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:black mensural c clef@:72@:0@:5.21951@:9.87804@:9.87804@:5.21951@:0@:bl
ackmensural.c_change@} [72]
@{char@:mensural f clef@:75@:0@:7.55998@:3.78@:3.78@:7.55998@:0@:mensural.f@}
[75]
@{char@:Custos Med.@:95@:0@:0.89664@:1.79329@:3.15001@:0.89664@:0@:medicaea.u0@
} [95]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.00987@:1.25096@:2.1874@:2.
00987@:0@:ssolesmes.auct.asc@} [112]
@{char@:Black mensural longa notehead (up)@:79@:0@:3.15001@:1.79329@:1.79329@:3
.15001@:0@:uM2blackmensural@} [79]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.39088@:1.99239@:3.535@:2.39088@:0@:hufnagel.u
0@} [89]
@{char@:Custos Med.@:95@:0@:1.10803@:2.21606@:3.9675@:1.10803@:0@:medicaea.u0@}
[95]
@{char@:petrucci c5 clef@:68@:0@:3.56401@:12.75092@:5.5785@:3.56401@:0@:petrucc
i.c5_change@} [68]
@{char@:Black mensural longa notehead (down)@:80@:0@:3.15001@:1.79329@:1.79329@
:3.15001@:0@:dM2blackmensural@} [80]
@{char@:Custos Hufnagel@:90@:0@:2.39088@:1.99239@:5.3025@:2.39088@:0@:hufnagel.
u1@} [90]
@{char@:mensural f clef@:76@:0@:6.048@:3.024@:3.024@:6.048@:0@:mensural.f_chang
e@} [76]
@{char@:Custos Med.@:96@:0@:1.10803@:2.21606@:5.95125@:1.10803@:0@:medicaea.u1@
} [96]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:3.15001@:1.79329@:1.79
329@:3.15001@:0@:sM2blackligmensural@} [81]
@{char@:petrucci c2 clef@:61@:0@:5@:11.99997@:15.99998@:5@:0@:petrucci.c2@}
[61]
@{char@:mensural c clef@:69@:0@:5.12888@:9.801@:9.801@:5.12888@:0@:mensural.c@}
[69]
@{char@:Custos Med.@:96@:0@:0.89664@:1.79329@:4.72502@:0.89664@:0@:medicaea.u1@
} [96]
@{char@:Custos Hufnagel@:91@:0@:2.39088@:1.99239@:4.41876@:2.39088@:0@:hufnagel
.u2@} [91]
@{char@:Black mensural brevis notehead@:82@:0@:3.15001@:1.79329@:1.79329@:3.150
01@:0@:sM1blackmensural@} [82]
@{char@:petrucci f clef@:73@:0@:10.92426@:25.25627@:14.03127@:10.92426@:0@:petr
ucci.f@} [73]
@{char@:mensural c clef@:70@:0@:4.23788@:7.8408@:7.8408@:4.23788@:0@:mensural.c
_change@} [70]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.00987@:2.18741@:1.25095@:
2.00987@:0@:ssolesmes.auct.desc@} [113]
@{char@:Reverse Custos Hufnagel@:92@:0@:2.39088@:3.535@:1.99239@:2.39088@:0@:hu
fnagel.d0@} [92]
@{char@:Mensural semibrevis head@:83@:0@:1.81865@:1.57501@:1.57501@:0.90933@:0.
7019@:s0mensural@} [83]
@{char@:petrucci c2 clef@:62@:0@:4.00002@:10.73306@:14.31078@:4.00002@:0@:petru
cci.c2_change@} [62]
@{char@:Custos Med.@:97@:0@:0.89664@:1.79329@:3.93752@:0.89664@:0@:medicaea.u2@
} [97]
@{char@:Custos Med.@:97@:0@:1.10803@:2.21606@:4.95938@:1.10803@:0@:medicaea.u2@
} [97]
@{char@:black mensural c clef@:71@:0@:5.12888@:9.801@:9.801@:5.12888@:0@:blackm
ensural.c@} [71]
@{char@:black mensural c clef@:72@:0@:4.23788@:7.8408@:7.8408@:4.23788@:0@:blac
kmensural.c_change@} [72]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.39088@:5.3025@:1.99239@:2.39088@:0@:h
ufnagel.d1@} [93]
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.23216@:1.59392@:1.59392@:1.116
09@:0.69438@:ssolesmes.incl.auctum@} [114]
@{char@:Reverse Custos Med.@:98@:0@:0.89664@:3.15001@:1.79329@:0.89664@:0@:medi
caea.d0@} [98]
@{char@:Mensural minima head@:84@:0@:1.81865@:1.57501@:1.57501@:0.90933@:0.7019
@:s1mensural@} [84]
@{char@:Reverse Custos Med.@:98@:0@:1.10803@:3.9675@:2.21606@:1.10803@:0@:medic
aea.d0@} [98]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.39088@:4.41876@:1.99239@:2.39088@:0@:
hufnagel.d2@} [94]
@{char@:petrucci f clef@:74@:0@:8.73944@:20.2051@:11.22505@:8.73944@:0@:petrucc
i.f_change@} [74]
@{char@:Reverse Custos Med.@:99@:0@:0.89664@:4.72502@:1.79329@:0.89664@:0@:medi
caea.d1@} [99]
@{char@:Mensural semiminima head@:85@:0@:1.81865@:1.57501@:1.57501@:0.90933@:0.
7019@:s2mensural@} [85]
@{char@:Custos Med.@:95@:0@:0.9962@:1.99239@:3.535@:0.9962@:0@:medicaea.u0@}
[95]
@{char@:Reverse Custos Med.@:100@:0@:0.89664@:3.93752@:1.79329@:0.89664@:0@:med
icaea.d2@} [100]
@{char@:petrucci f clef@:73@:0@:8.67128@:20.04752@:11.13751@:8.67128@:0@:petruc
ci.f@} [73]
@{char@:Reverse Custos Med.@:99@:0@:1.10803@:5.95125@:2.21606@:1.10803@:0@:medi
caea.d1@} [99]
@{char@:Solesmes stropha@:115@:0@:2.23216@:1.59392@:1.59392@:1.11609@:0.69438@:
ssolesmes.stropha@} [115]
@{char@:Black mensural semibrevis head@:86@:0@:1.81865@:1.57501@:1.57501@:0.909
33@:0.7019@:s0blackmensural@} [86]
@{char@:Custos Med.@:96@:0@:0.9962@:1.99239@:5.3025@:0.9962@:0@:medicaea.u1@}
[96]
@{char@:Custos Ed. Vat.@:101@:0@:0.8608@:1.1119@:3.15001@:0.8608@:0@:vaticana.u
0@} [101]
@{char@:mensural f clef@:75@:0@:6.73499@:3.3675@:3.3675@:6.73499@:0@:mensural.f
@} [75]
@{char@:Custos Med.@:97@:0@:0.9962@:1.99239@:4.41876@:0.9962@:0@:medicaea.u2@}
[97]
@{char@:Custos Ed. Vat.@:102@:0@:0.8608@:1.1119@:4.72502@:0.8608@:0@:vaticana.u
1@} [102]
@{char@:petrucci f clef@:74@:0@:6.93706@:16.03807@:8.91005@:6.93706@:0@:petrucc
i.f_change@} [74]
@{char@:Petrucci semibrevis head@:87@:0@:3.61525@:2.51059@:2.51059@:1.80763@:1.
37555@:s0petrucci@} [87]
@{char@:Reverse Custos Med.@:100@:0@:1.10803@:4.95938@:2.21606@:1.10803@:0@:med
icaea.d2@} [100]
@{char@:Solesmes stropha aucta@:116@:0@:2.23216@:1.59392@:1.59392@:1.11609@:0.6
9438@:ssolesmes.stropha.aucta@} [116]
@{char@:Reverse Custos Med.@:98@:0@:0.9962@:3.535@:1.99239@:0.9962@:0@:medicaea
.d0@} [98]
@{char@:Custos Ed. Vat.@:101@:0@:1.06374@:1.37402@:3.9675@:1.06374@:0@:vaticana
.u0@} [101]
@{char@:Custos Ed. Vat.@:103@:0@:0.8608@:1.1119@:3.93752@:0.8608@:0@:vaticana.u
2@} [103]
@{char@:Petrucci minima head@:88@:0@:3.61525@:2.51059@:2.51059@:1.80763@:1.3755
5@:s1petrucci@} [88]
@{char@:Reverse Custos Med.@:99@:0@:0.9962@:5.3025@:1.99239@:0.9962@:0@:medicae
a.d1@} [99]
@{char@:Petrucci semiminima head@:89@:0@:3.61525@:2.51059@:2.51059@:1.80763@:1.
37555@:s2petrucci@} [89]
@{char@:petrucci g clef@:77@:0@:7.875@:4.09497@:23.94003@:7.875@:0@:petrucci.g@
} [77]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:0.8608@:3.15001@:1.1119@:0.8608@:0@:va
ticana.d0@} [104]
@{char@:Solesmes oriscus@:117@:0@:2.39272@:1.19545@:1.19545@:2.39272@:0@:ssoles
mes.oriscus@} [117]
@{char@:Custos Ed. Vat.@:102@:0@:1.06374@:1.37402@:5.95125@:1.06374@:0@:vatican
a.u1@} [102]
@{char@:Reverse Custos Med.@:100@:0@:0.9962@:4.41876@:1.99239@:0.9962@:0@:medic
aea.d2@} [100]
@{char@:Petrucci colored semibrevis head@:90@:0@:3.61525@:2.51059@:2.51059@:1.8
0763@:1.37555@:s0blackpetrucci@} [90]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:0.8608@:4.72502@:1.1119@:0.8608@:0@:va
ticana.d1@} [105]
@{char@:mensural f clef@:76@:0@:5.38802@:2.69402@:2.69402@:5.38802@:0@:mensural
.f_change@} [76]
@{char@:Custos Ed. Vat.@:103@:0@:1.06374@:1.37402@:4.95938@:1.06374@:0@:vatican
a.u2@} [103]
@{char@:mensural f clef@:75@:0@:5.346@:2.673@:2.673@:5.346@:0@:mensural.f@}
[75]
@{char@:Ed. Med. inclinatum@:118@:0@:2.97029@:2.121@:2.121@:1.48515@:1.22147@:s
medicaea.inclinatum@} [118]
@{char@:Custos Ed. Vat.@:101@:0@:0.95636@:1.23534@:3.535@:0.95636@:0@:vaticana.
u0@} [101]
@{char@:Petrucci colored minima head@:91@:0@:3.61525@:2.51059@:2.51059@:1.80763
@:1.37555@:s1blackpetrucci@} [91]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:0.8608@:3.93752@:1.1119@:0.8608@:0@:va
ticana.d2@} [106]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.06374@:3.9675@:1.37402@:1.06374@:0@:
vaticana.d0@} [104]
@{char@:Ed. Med. punctum@:119@:0@:2.82796@:1.7675@:1.7675@:2.82796@:0@:smedicae
a.punctum@} [119]
@{char@:Custos Ed. Vat.@:102@:0@:0.95636@:1.23534@:5.3025@:0.95636@:0@:vaticana
.u1@} [102]
@{char@:Ed. Med. reverse virga@:120@:0@:2.82796@:1.7675@:8.83751@:2.82796@:0@:s
medicaea.rvirga@} [120]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.06374@:5.95125@:1.37402@:1.06374@:0@
:vaticana.d1@} [105]
@{char@:Petrucci colored semiminima head@:92@:0@:3.61525@:2.51059@:2.51059@:1.8
0763@:1.37555@:s2blackpetrucci@} [92]
@{char@:Custos Ed. Vat.@:103@:0@:0.95636@:1.23534@:4.41876@:0.95636@:0@:vatican
a.u2@} [103]
@{char@:Ed. Med. virga@:121@:0@:2.82796@:8.83751@:1.7675@:2.82796@:0@:smedicaea
.virga@} [121]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.06374@:4.95938@:1.37402@:1.06374@:0@
:vaticana.d2@} [106]
@{char@:mensural f clef@:76@:0@:4.27681@:2.13841@:2.13841@:4.27681@:0@:mensural
.f_change@} [76]
@{char@:Custos Mensural@:107@:0@:4.30386@:1.18358@:6.30002@:4.30386@:0@:mensura
l.u0@} [107]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:0.95636@:3.535@:1.23534@:0.95636@:0@:v
aticana.d0@} [104]
@{char@:Hufnagel punctum@:122@:0@:5.04851@:1.7675@:1.7675@:2.52426@:0.86797@:sh
ufnagel.punctum@} [122]
@{char@:Custos Mensural@:107@:0@:5.31853@:1.4626@:7.935@:5.31853@:0@:mensural.u
0@} [107]
@{char@:Custos Mensural@:108@:0@:4.30386@:1.18358@:7.87503@:4.30386@:0@:mensura
l.u1@} [108]
@{char@:Ed. Vat. punctum@:93@:0@:1.80902@:1.10596@:1.19562@:1.80902@:0@:svatica
na.punctum@} [93]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:0.95636@:5.3025@:1.23534@:0.95636@:0@:
vaticana.d1@} [105]
@{char@:Hufnagel virga@:123@:0@:5.04851@:5.3025@:1.7675@:5.04851@:0@:shufnagel.
virga@} [123]
@{char@:Ed. Vat. punctum cavum@:94@:0@:1.80902@:1.10596@:1.19562@:1.80902@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:Custos Mensural@:108@:0@:5.31853@:1.4626@:9.91875@:5.31853@:0@:mensural
.u1@} [108]
@{char@:Custos Mensural@:109@:0@:4.30386@:1.18358@:7.08752@:4.30386@:0@:mensura
l.u2@} [109]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:0.95636@:4.41876@:1.23534@:0.95636@:0@
:vaticana.d2@} [106]
@{char@:Hufnagel pes lower punctum@:124@:0@:7.07@:1.23724@:1.23724@:7.07@:0@:sh
ufnagel.lpes@} [124]
@{char@:Reverse Custos Mensural@:110@:0@:4.30386@:6.30002@:1.18358@:4.30386@:0@
:mensural.d0@} [110]
@{char@:Kievan final note@:125@:0@:4.40297@:5.3025@:5.3025@:4.40297@:0@:sM2kiev
an@} [125]
@{char@:Custos Mensural@:109@:0@:5.31853@:1.4626@:8.92688@:5.31853@:0@:mensural
.u2@} [109]
@{char@:Reverse Custos Mensural@:111@:0@:4.30386@:7.87503@:1.18358@:4.30386@:0@
:mensural.d1@} [111]
@{char@:Ed. Vat. linea punctum@:95@:0@:2.93239@:1.2553@:1.2553@:2.93239@:0@:sva
ticana.linea.punctum@} [95]
@{char@:Custos Mensural@:107@:0@:4.78171@:1.31499@:7.07@:4.78171@:0@:mensural.u
0@} [107]
@{char@:Reverse Custos Mensural@:110@:0@:5.31853@:7.935@:1.4626@:5.31853@:0@:me
nsural.d0@} [110]
@{char@:Reverse Custos Mensural@:112@:0@:4.30386@:7.08752@:1.18358@:4.30386@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Custos Mensural@:108@:0@:4.78171@:1.31499@:8.83751@:4.78171@:0@:mensura
l.u1@} [108]
@{char@:petrucci c3 clef@:63@:0@:5@:15.99998@:15.99998@:5@:0@:petrucci.c3@}
[63]
@{char@:Kievan recitative mark@:126@:0@:19.53723@:3.08524@:3.08524@:19.53723@:0
@:sM1kievan@} [126]
@{char@:Reverse Custos Mensural@:111@:0@:5.31853@:9.91875@:1.4626@:5.31853@:0@:
mensural.d1@} [111]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:2.93239@:1.2553@:1.2553@:2.93239@:
0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Custos Mensural@:109@:0@:4.78171@:1.31499@:7.95377@:4.78171@:0@:mensura
l.u2@} [109]
@{char@:Reverse Custos Mensural@:112@:0@:5.31853@:8.92688@:1.4626@:5.31853@:0@:
mensural.d2@} [112]
@{puorg@:custodes@}
)
@{char@:petrucci g clef@:78@:0@:6.30003@:3.27599@:19.1521@:6.30003@:0@:petrucci
.g_change@} [78]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.31502@:1.89003@:1.89003@:3.15001@:1.89003@:0@:med
icaeaM1@} [113]
@{char@:Reverse Custos Mensural@:110@:0@:4.78171@:7.07@:1.31499@:4.78171@:0@:me
nsural.d0@} [110]
@{char@:petrucci c3 clef@:64@:0@:4.00002@:14.31078@:14.31078@:4.00002@:0@:petru
cci.c3_change@} [64]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.0091@:1.43463@:1.43463@:1.00455@:0.56152@
:svaticana.inclinatum@} [97]
@{char@:petrucci g clef@:77@:0@:7.01563@:3.64809@:21.32753@:7.01563@:0@:petrucc
i.g@} [77]
@{char@:Ed. Vat. Flat@:114@:0.10915@:1.68416@:1.07098@:2.86652@:1.68416@:0@:vat
icanaM1@} [114]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:1.80902@:1.08801@:1.07007@:1.80902@:
0@:svaticana.lpes@} [98]
@{char@:Reverse Custos Mensural@:111@:0@:4.78171@:8.83751@:1.31499@:4.78171@:0@
:mensural.d1@} [111]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.39677@:2.38052@:2.38052@:3.9675@:2.38052@:0@:medi
caeaM1@} [113]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:1.80902@:1.48254@:0.67554@:1.809
02@:0@:svaticana.vlpes@} [99]
@{char@:Reverse Custos Mensural@:112@:0@:4.78171@:7.95377@:1.31499@:4.78171@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
)
@{char@:Ed. Vat. Natural@:115@:0.17462@:1.4346@:2.39398@:2.39398@:1.4346@:0@:va
ticana0@} [115]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Ed. Vat. Flat@:114@:0.11615@:2.0999@:1.34894@:3.61044@:2.0999@:0@:vatic
anaM1@} [114]
@{char@:Ed. Vat. Natural@:115@:0.18584@:1.77281@:3.01529@:3.01529@:1.77281@:0@:
vaticana0@} [115]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:1.80902@:1.07008@:1.088@:1.80902@:0
@:svaticana.upes@} [100]
@{char@:Mensural Sharp@:116@:1.1826@:1.81259@:1.4346@:1.4346@:1.81259@:0@:mensu
ral1@} [116]
@{char@:petrucci g clef@:77@:0@:5.56876@:2.89572@:16.92902@:5.56876@:0@:petrucc
i.g@} [77]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.35352@:2.12102@:2.12102@:3.535@:2.12102@:0@:medic
aeaM1@} [113]
@{char@:petrucci c4 clef@:65@:0@:5@:15.99998@:11.99997@:5@:0@:petrucci.c4@}
[65]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:1.80902@:0.78316@:1.37492@:1.80
902@:0@:svaticana.vupes@} [101]
@{char@:Kievan whole note@:127@:0@:3.535@:3.535@:3.535@:3.535@:0@:s0kievan@}
[127]
@{char@:Ed. Vat. Flat@:114@:0.11244@:1.87994@:1.20189@:3.21687@:1.87994@:0@:vat
icanaM1@} [114]
@{char@:Kievan quarter note down@:128@:0@:3.60571@:8.83751@:1.41399@:3.60571@:0
@:d2kievan@} [128]
@{char@:Mensural Sharp@:116@:1.45543@:2.24889@:1.77281@:1.77281@:2.24889@:0@:me
nsural1@} [116]
@{char@:Mensural Flat@:117@:0.32742@:1.5874@:1.11493@:5.99745@:1.5874@:0@:mensu
ralM1@} [117]
@{char@:Kievan quarter note up@:129@:0@:3.60571@:1.41399@:9.19102@:3.60571@:0@:
u2kievan@} [129]
@{char@:Kievan half note (line position)@:130@:0@:3.7471@:5.65602@:3.535@:3.747
1@:0@:s1kievan@} [130]
@{char@:Ed. Vat. Natural@:115@:0.1799@:1.59389@:2.68658@:2.68658@:1.59389@:0@:v
aticana0@} [115]
@{char@:Kievan half note (space position)@:131@:0@:3.88852@:3.535@:4.94899@:3.8
8852@:0@:sr1kievan@} [131]
@{char@:Mensural Flat@:117@:0.34846@:1.93544@:1.34035@:7.48997@:1.93544@:0@:men
suralM1@} [117]
@{char@:Kievan eighth note (down)@:132@:0@:4.41876@:10.60501@:1.7675@:4.41876@:
0@:d3kievan@} [132]
@{char@:petrucci c4 clef@:66@:0@:4.00002@:14.31078@:10.73306@:4.00002@:0@:petru
cci.c4_change@} [66]
@{char@:Kievan eighth note (up)@:133@:0@:3.535@:1.41399@:10.2515@:3.535@:0@:u3k
ievan@} [133]
@{char@:Mensural Sharp@:116@:1.3111@:2.01807@:1.59389@:1.59389@:2.01807@:0@:men
sural1@} [116]
@{puorg@:noteheads@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.0975pt)
(some chardp values had to be adjusted by as much as 0.08978pt)
Font metrics written on parmesan-noteheads14.tfm.
101 output files written: parmesan-noteheads14.33 .. parmesan-noteheads14.133
Transcript written on parmesan-noteheads14.log.

@{char@:Mensural Flat@:117@:0.33733@:1.75131@:1.22108@:6.70035@:1.75131@:0@:men
suralM1@} [117]
@{char@:petrucci c5 clef@:67@:0@:5@:15.99998@:6.99997@:5@:0@:petrucci.c5@}
[67]
@{char@:Ed. Vat. plica@:102@:0@:1.08543@:0.7509@:0.80469@:1.08543@:0@:svaticana
.plica@} [102]
@{char@:mensural g clef@:79@:0@:7.875@:4.09497@:23.94003@:7.875@:0@:mensural.g@
} [79]
@{char@:Ed. Vat. var plica@:103@:0@:1.08543@:1.01451@:0.6917@:1.08543@:0@:svati
cana.vplica@} [103]
@{char@:Ed. Vat. epiphonus@:104@:0@:1.80902@:1.26736@:1.28528@:1.80902@:0@:svat
icana.epiphonus@} [104]
@{char@:Hufnagel Flat@:118@:0.43655@:2.01157@:1.16328@:5.8883@:2.01157@:0@:hufn
agelM1@} [118]
@{char@:petrucci c5 clef@:68@:0@:4.00002@:14.31078@:6.26094@:4.00002@:0@:petruc
ci.c5_change@} [68]
@{char@:petrucci g clef@:78@:0@:5.61253@:2.91849@:17.06209@:5.61253@:0@:petrucc
i.g_change@} [78]
@{char@:Kievan sharp@:119@:0@:5.04004@:5.04004@:5.04004@:5.04004@:0@:kievan1@}
[119]
@{char@:Ed. Vat. var epiphonus@:105@:0@:1.80902@:1.6619@:0.89075@:1.80902@:0@:s
vaticana.vepiphonus@} [105]
@{char@:mensural c clef@:69@:0@:5.70006@:10.99998@:10.99998@:5.70006@:0@:mensur
al.c@} [69]
@{char@:Kievan flat@:120@:0@:3.15001@:3.15001@:5.67003@:3.15001@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
)
@{char@:Hufnagel Flat@:118@:0.46461@:2.44836@:1.42258@:7.37383@:2.44836@:0@:huf
nagelM1@} [118] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:mensural c clef@:70@:0@:4.70007@:8.80002@:8.80002@:4.70007@:0@:mensural
.c_change@} [70]
@{char@:black mensural c clef@:71@:0@:5.70006@:10.99998@:10.99998@:5.70006@:0@:
blackmensural.c@} [71]
@{char@:Kievan sharp@:119@:0@:6.34802@:6.34802@:6.34802@:6.34802@:0@:kievan1@}
[119]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.08543@:0.8047@:0.75089@:1.08543@:0@:svat
icana.reverse.plica@} [106]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:1.89003@:6.30002@:0.31502@:1.89003@:0@:
mensuralu03@} [121]
@{char@:black mensural c clef@:72@:0@:4.70007@:8.80002@:8.80002@:4.70007@:0@:bl
ackmensural.c_change@} [72]
@{char@:Hufnagel Flat@:118@:0.44977@:2.21727@:1.2854@:6.5879@:2.21727@:0@:hufna
gelM1@} [118]
@{char@:Kievan flat@:120@:0@:3.9675@:3.9675@:7.14151@:3.9675@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:8th Mensural Flag (up)@:122@:0@:1.89003@:4.72502@:0.31502@:1.89003@:0@:
mensuralu13@} [122]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.08543@:1.16513@:0.54108@:1.08543@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Kievan sharp@:119@:0@:5.65602@:5.65602@:5.65602@:5.65602@:0@:kievan1@}
[119]
@{char@:8th Mensural Flag (up)@:123@:0@:1.89003@:5.51251@:0.31502@:1.89003@:0@:
mensuralu23@} [123]
@{char@:Kievan flat@:120@:0@:3.535@:3.535@:6.36302@:3.535@:0@:kievanM1@} [120]
@{puorg@:accidentals@}
)
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:2.38052@:7.935@:0.39677@:2.38052@:0@:me
nsuralu03@} [121] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:8th Mensural Flag (down)@:124@:1.89003@:0@:0.31502@:6.30002@:0@:0@:mens
urald03@} [124]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:1.80902@:1.2853@:1.26735@:1.80902@:0
@:svaticana.inner.cephalicus@} [108]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:2.12102@:7.07@:0.35352@:2.12102@:0@:men
suralu03@} [121]
@{char@:8th Mensural Flag (down)@:125@:1.89003@:0@:0.31502@:4.72502@:0@:0@:mens
urald13@} [125]
@{char@:petrucci f clef@:73@:0@:9.73207@:22.5@:12.5@:9.73207@:0@:petrucci.f@}
[73]
@{char@:8th Mensural Flag (up)@:122@:0@:2.38052@:5.95125@:0.39677@:2.38052@:0@:
mensuralu13@} [122]
@{char@:8th Mensural Flag (up)@:122@:0@:2.12102@:5.3025@:0.35352@:2.12102@:0@:m
ensuralu13@} [122]
@{char@:8th Mensural Flag (down)@:126@:1.89003@:0@:0.31502@:5.51251@:0@:0@:mens
urald23@} [126]
@{char@:8th Mensural Flag (up)@:123@:0@:2.38052@:6.94313@:0.39677@:2.38052@:0@:
mensuralu23@} [123]
@{char@:16th Mensural Flag (up)@:127@:0@:1.89003@:9.45003@:0.31502@:1.89003@:0@
:mensuralu04@} [127]
@{char@:8th Mensural Flag (up)@:123@:0@:2.12102@:6.18626@:0.35352@:2.12102@:0@:
mensuralu23@} [123]
@{char@:8th Mensural Flag (down)@:124@:2.38052@:0@:0.39677@:7.935@:0@:0@:mensur
ald03@} [124]
@{char@:Ed. Vat. cephalicus@:109@:0@:1.80902@:4.16351@:1.26735@:1.80902@:0@:sva
ticana.cephalicus@} [109]
@{char@:8th Mensural Flag (down)@:124@:2.12102@:0@:0.35352@:7.07@:0@:0@:mensura
ld03@} [124]
@{char@:8th Mensural Flag (down)@:125@:2.38052@:0@:0.39677@:5.95125@:0@:0@:mens
urald13@} [125]
@{char@:8th Mensural Flag (down)@:125@:2.12102@:0@:0.35352@:5.3025@:0@:0@:mensu
rald13@} [125]
@{char@:8th Mensural Flag (down)@:126@:2.38052@:0@:0.39677@:6.94313@:0@:0@:mens
urald23@} [126]
@{char@:Ed. Vat. quilisma@:110@:0@:1.80902@:1.00423@:1.29117@:1.80902@:0@:svati
cana.quilisma@} [110]
@{char@:8th Mensural Flag (down)@:126@:2.12102@:0@:0.35352@:6.18626@:0@:0@:mens
urald23@} [126]
@{char@:petrucci f clef@:74@:0@:7.78569@:18.00008@:10.00005@:7.78569@:0@:petruc
ci.f_change@} [74]
@{char@:16th Mensural Flag (up)@:128@:0@:1.89003@:7.87503@:0.31502@:1.89003@:0@
:mensuralu14@} [128]
@{char@:mensural g clef@:80@:0@:6.30003@:3.27599@:19.1521@:6.30003@:0@:mensural
.g_change@} [80]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.25568@:0.89665@:0.89665@:
0.62784@:0.02354@:ssolesmes.incl.parvum@} [111]
@{char@:16th Mensural Flag (up)@:127@:0@:2.12102@:10.60501@:0.35352@:2.12102@:0
@:mensuralu04@} [127]
@{char@:16th Mensural Flag (up)@:127@:0@:2.38052@:11.9025@:0.39677@:2.38052@:0@
:mensuralu04@} [127]
@{char@:16th Mensural Flag (up)@:129@:0@:1.89003@:8.66252@:0.31502@:1.89003@:0@
:mensuralu24@} [129]
@{char@:Hufnagel do clef@:81@:0@:6.93004@:4.40999@:4.725@:6.93004@:0@:hufnagel.
do@} [81]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:1.80902@:1.14182@:1.98465@:1
.80902@:0@:ssolesmes.auct.asc@} [112]
@{char@:Hufnagel do clef@:82@:0@:5.54405@:3.528@:3.78001@:5.54405@:0@:hufnagel.
do_change@} [82]
@{char@:Solesmes punctum auctum descendens@:113@:0@:1.80902@:1.98466@:1.1418@:1
.80902@:0@:ssolesmes.auct.desc@} [113]
@{char@:16th Mensural Flag (up)@:128@:0@:2.12102@:8.83751@:0.35352@:2.12102@:0@
:mensuralu14@} [128]
@{char@:mensural g clef@:79@:0@:7.01563@:3.64809@:21.32753@:7.01563@:0@:mensura
l.g@} [79]
@{char@:mensural f clef@:75@:0@:5.99998@:3@:3@:5.99998@:0@:mensural.f@} [75]
@{char@:16th Mensural Flag (up)@:128@:0@:2.38052@:9.91875@:0.39677@:2.38052@:0@
:mensuralu14@} [128]
@{char@:16th Mensural Flag (down)@:130@:1.89003@:0@:0.31502@:9.45003@:0@:0@:men
surald04@} [130]
@{char@:Hufnagel fa clef@:83@:0@:7.55998@:7.24496@:6.3@:7.55998@:0@:hufnagel.fa
@} [83]
@{char@:16th Mensural Flag (down)@:131@:1.89003@:0@:0.31502@:7.87503@:0@:0@:men
surald14@} [131]
@{char@:Hufnagel fa clef@:84@:0@:6.04802@:5.79599@:5.04002@:6.04802@:0@:hufnage
l.fa_change@} [84]
@{char@:16th Mensural Flag (up)@:129@:0@:2.38052@:10.91063@:0.39677@:2.38052@:0
@:mensuralu24@} [129]
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.0091@:1.43463@:1.43463@:1.0045
5@:0.56152@:ssolesmes.incl.auctum@} [114]
@{char@:mensural f clef@:76@:0@:4.8@:2.40001@:2.40001@:4.8@:0@:mensural.f_chang
e@} [76]
@{char@:16th Mensural Flag (up)@:129@:0@:2.12102@:9.72127@:0.35352@:2.12102@:0@
:mensuralu24@} [129]
@{char@:16th Mensural Flag (down)@:132@:1.89003@:0@:0.31502@:8.66252@:0@:0@:men
surald24@} [132]
@{char@:Hufnagel do/fa clef@:85@:0@:7.55998@:19.84497@:4.725@:7.55998@:0@:hufna
gel.do.fa@} [85]
@{char@:Solesmes stropha@:115@:0@:2.0091@:1.43463@:1.43463@:1.00455@:0.56152@:s
solesmes.stropha@} [115]
@{char@:16th Mensural Flag (down)@:130@:2.12102@:0@:0.35352@:10.60501@:0@:0@:me
nsurald04@} [130]
@{char@:Hufnagel do/fa clef@:86@:0@:6.04802@:18.396@:3.78001@:6.04802@:0@:hufna
gel.do.fa_change@} [86]
@{char@:16th Mensural Flag (down)@:131@:2.12102@:0@:0.35352@:8.83751@:0@:0@:men
surald14@} [131]
@{char@:Solesmes stropha aucta@:116@:0@:2.0091@:1.43463@:1.43463@:1.00455@:0.56
152@:ssolesmes.stropha.aucta@} [116]
@{char@:Kievan tsefaut clef@:87@:0@:9.45001@:14.175@:3.46503@:9.45001@:0@:kieva
n.do@} [87]
@{char@:32th Mensural Flag (up)@:133@:0@:1.89003@:12.60004@:0.31502@:1.89003@:0
@:mensuralu05@} [133]
@{char@:Kievan tsefaut clef@:88@:0@:9.45001@:14.175@:3.46503@:9.45001@:0@:kieva
n.do_change@} [88]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:16th Mensural Flag (down)@:130@:2.38052@:0@:0.39677@:11.9025@:0@:0@:men
surald04@} [130]
@{char@:16th Mensural Flag (down)@:132@:2.12102@:0@:0.35352@:9.72127@:0@:0@:men
surald24@} [132]
@{char@:Solesmes oriscus@:117@:0@:2.15361@:1.07597@:1.07597@:2.15361@:0@:ssoles
mes.oriscus@} [117]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:4.10684@:3.42233@:6.3@:4.10684@:0@:hufnagel.u0@
} [89]
@{char@:Custos Hufnagel@:90@:0@:4.10684@:3.42233@:9.45001@:4.10684@:0@:hufnagel
.u1@} [90]
@{char@:Ed. Med. inclinatum@:118@:0@:2.64679@:1.89@:1.89@:1.3234@:1.01689@:smed
icaea.inclinatum@} [118]
@{char@:32th Mensural Flag (up)@:134@:0@:1.89003@:11.02504@:0.31502@:1.89003@:0
@:mensuralu15@} [134]
@{char@:16th Mensural Flag (down)@:131@:2.38052@:0@:0.39677@:9.91875@:0@:0@:men
surald14@} [131]
@{char@:Custos Hufnagel@:91@:0@:4.10684@:3.42233@:7.875@:4.10684@:0@:hufnagel.u
2@} [91]
@{char@:Ed. Med. punctum@:119@:0@:2.51997@:1.57501@:1.57501@:2.51997@:0@:smedic
aea.punctum@} [119]
@{char@:16th Mensural Flag (down)@:132@:2.38052@:0@:0.39677@:10.91063@:0@:0@:me
nsurald24@} [132]
@{char@:32th Mensural Flag (up)@:133@:0@:2.12102@:14.14001@:0.35352@:2.12102@:0
@:mensuralu05@} [133]
@{char@:Reverse Custos Hufnagel@:92@:0@:4.10684@:6.3@:3.42233@:4.10684@:0@:hufn
agel.d0@} [92]
@{char@:Ed. Med. reverse virga@:120@:0@:2.51997@:1.57501@:7.87503@:2.51997@:0@:
smedicaea.rvirga@} [120]
@{char@:Reverse Custos Hufnagel@:93@:0@:4.10684@:9.45001@:3.42233@:4.10684@:0@:
hufnagel.d1@} [93]
@{char@:32th Mensural Flag (up)@:135@:0@:1.89003@:11.81253@:0.31502@:1.89003@:0
@:mensuralu25@} [135]
@{char@:mensural g clef@:80@:0@:5.61253@:2.91849@:17.06209@:5.61253@:0@:mensura
l.g_change@} [80]
@{char@:Ed. Med. virga@:121@:0@:2.51997@:7.87503@:1.57501@:2.51997@:0@:smedicae
a.virga@} [121]
@{char@:Reverse Custos Hufnagel@:94@:0@:4.10684@:7.875@:3.42233@:4.10684@:0@:hu
fnagel.d2@} [94]
@{char@:32th Mensural Flag (up)@:134@:0@:2.12102@:12.37251@:0.35352@:2.12102@:0
@:mensuralu15@} [134]
@{char@:Hufnagel do clef@:81@:0@:6.17378@:3.92874@:4.20938@:6.17378@:0@:hufnage
l.do@} [81]
@{char@:Hufnagel punctum@:122@:0@:4.49867@:1.57501@:1.57501@:2.24934@:0.7019@:s
hufnagel.punctum@} [122]
@{char@:32th Mensural Flag (up)@:133@:0@:2.38052@:15.87@:0.39677@:2.38052@:0@:m
ensuralu05@} [133]
@{char@:Custos Med.@:95@:0@:1.71117@:3.42233@:6.3@:1.71117@:0@:medicaea.u0@}
[95]
@{char@:Hufnagel do clef@:82@:0@:4.93906@:3.143@:3.36752@:4.93906@:0@:hufnagel.
do_change@} [82]
@{char@:32th Mensural Flag (down)@:136@:1.89003@:0@:0.31502@:12.60004@:0@:0@:me
nsurald05@} [136]
@{char@:Custos Med.@:96@:0@:1.71117@:3.42233@:9.45001@:1.71117@:0@:medicaea.u1@
} [96]
@{char@:Hufnagel fa clef@:83@:0@:6.73499@:6.45435@:5.6125@:6.73499@:0@:hufnagel
.fa@} [83]
@{char@:32th Mensural Flag (up)@:135@:0@:2.12102@:13.25627@:0.35352@:2.12102@:0
@:mensuralu25@} [135]
@{char@:Hufnagel virga@:123@:0@:4.49867@:4.72502@:1.57501@:4.49867@:0@:shufnage
l.virga@} [123]
@{char@:petrucci g clef@:77@:0@:6.25@:3.24997@:19.00002@:6.25@:0@:petrucci.g@}
[77]
@{char@:Hufnagel pes lower punctum@:124@:0@:6.30002@:1.10251@:1.10251@:6.30002@
:0@:shufnagel.lpes@} [124]
@{char@:Custos Med.@:97@:0@:1.71117@:3.42233@:7.875@:1.71117@:0@:medicaea.u2@}
[97]
@{char@:petrucci g clef@:78@:0@:4.45502@:2.31659@:13.54326@:4.45502@:0@:petrucc
i.g_change@} [78]
@{char@:Kievan final note@:125@:0@:3.85191@:4.72502@:4.72502@:3.85191@:0@:sM2ki
evan@} [125]
@{char@:32th Mensural Flag (down)@:137@:1.89003@:0@:0.31502@:11.02504@:0@:0@:me
nsurald15@} [137]
@{char@:32th Mensural Flag (down)@:136@:2.12102@:0@:0.35352@:14.14001@:0@:0@:me
nsurald05@} [136]
@{char@:Reverse Custos Med.@:98@:0@:1.71117@:6.3@:3.42233@:1.71117@:0@:medicaea
.d0@} [98]
@{char@:Kievan recitative mark@:126@:0@:17.83868@:2.71346@:2.71346@:17.83868@:0
@:sM1kievan@} [126]
@{char@:32th Mensural Flag (up)@:134@:0@:2.38052@:13.88625@:0.39677@:2.38052@:0
@:mensuralu15@} [134]
@{char@:Kievan whole note@:127@:0@:3.15001@:3.15001@:3.15001@:3.15001@:0@:s0kie
van@} [127]
@{char@:32th Mensural Flag (down)@:138@:1.89003@:0@:0.31502@:11.81253@:0@:0@:me
nsurald25@} [138]
@{char@:Kievan quarter note down@:128@:0@:3.21303@:7.87503@:1.25998@:3.21303@:0
@:d2kievan@} [128]
@{char@:Reverse Custos Med.@:99@:0@:1.71117@:9.45001@:3.42233@:1.71117@:0@:medi
caea.d1@} [99]
@{char@:Hufnagel fa clef@:84@:0@:5.38802@:5.1635@:4.49002@:5.38802@:0@:hufnagel
.fa_change@} [84]
@{char@:Kievan quarter note up@:129@:0@:3.21303@:1.25998@:8.19005@:3.21303@:0@:
u2kievan@} [129]
@{char@:32th Mensural Flag (down)@:137@:2.12102@:0@:0.35352@:12.37251@:0@:0@:me
nsurald15@} [137]
@{char@:Kievan half note (line position)@:130@:0@:3.339@:5.04004@:3.15001@:3.33
9@:0@:s1kievan@} [130]
@{char@:Reverse Custos Med.@:100@:0@:1.71117@:7.875@:3.42233@:1.71117@:0@:medic
aea.d2@} [100]
@{char@:Kievan half note (space position)@:131@:0@:3.46503@:3.15001@:4.40999@:3
.46503@:0@:sr1kievan@} [131]
@{char@:Kievan eighth note (down)@:132@:0@:3.93752@:9.45003@:1.57501@:3.93752@:
0@:d3kievan@} [132]
@{char@:32th Mensural Flag (up)@:135@:0@:2.38052@:14.87813@:0.39677@:2.38052@:0
@:mensuralu25@} [135]
@{char@:Custos Ed. Vat.@:101@:0@:1.64276@:2.12193@:6.3@:1.64276@:0@:vaticana.u0
@} [101]
@{char@:Kievan eighth note (up)@:133@:0@:3.15001@:1.25998@:9.13501@:3.15001@:0@
:u3kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
@{char@:64th Mensural Flag (up)@:139@:0@:1.89003@:15.75005@:0.31502@:1.89003@:0
@:mensuralu06@} [139]
@{char@:Custos Ed. Vat.@:102@:0@:1.64276@:2.12193@:9.45001@:1.64276@:0@:vatican
a.u1@} [102]
@{char@:32th Mensural Flag (down)@:138@:2.12102@:0@:0.35352@:13.25627@:0@:0@:me
nsurald25@} [138]
(some charht values had to be adjusted by as much as 0.08966pt)
(some chardp values had to be adjusted by as much as 0.07288pt)
Font metrics written on parmesan-noteheads13.tfm.
101 output files written: parmesan-noteheads13.33 .. parmesan-noteheads13.133
Transcript written on parmesan-noteheads13.log.

@{char@:Custos Ed. Vat.@:103@:0@:1.64276@:2.12193@:7.875@:1.64276@:0@:vaticana.
u2@} [103]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.64276@:6.3@:2.12193@:1.64276@:0@:vat
icana.d0@} [104]
@{char@:64th Mensural Flag (up)@:140@:0@:1.89003@:14.17505@:0.31502@:1.89003@:0
@:mensuralu16@} [140]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.64276@:9.45001@:2.12193@:1.64276@:0@
:vaticana.d1@} [105]
@{char@:32th Mensural Flag (down)@:136@:2.38052@:0@:0.39677@:15.87@:0@:0@:mensu
rald05@} [136]
@{char@:64th Mensural Flag (up)@:139@:0@:2.12102@:17.67502@:0.35352@:2.12102@:0
@:mensuralu06@} [139]
@{char@:Hufnagel do/fa clef@:85@:0@:6.73499@:17.67935@:4.20938@:6.73499@:0@:huf
nagel.do.fa@} [85]
@{char@:mensural g clef@:79@:0@:5.56876@:2.89572@:16.92902@:5.56876@:0@:mensura
l.g@} [79]
@{char@:32th Mensural Flag (down)@:137@:2.38052@:0@:0.39677@:13.88625@:0@:0@:me
nsurald15@} [137]
@{char@:Hufnagel do/fa clef@:86@:0@:5.38802@:16.3885@:3.36752@:5.38802@:0@:hufn
agel.do.fa_change@} [86]
@{char@:64th Mensural Flag (up)@:141@:0@:1.89003@:14.96254@:0.31502@:1.89003@:0
@:mensuralu26@} [141]
@{char@:Kievan tsefaut clef@:87@:0@:8.41876@:12.62813@:3.0869@:8.41876@:0@:kiev
an.do@} [87]
@{char@:64th Mensural Flag (up)@:140@:0@:2.12102@:15.90752@:0.35352@:2.12102@:0
@:mensuralu16@} [140]
@{char@:Kievan tsefaut clef@:88@:0@:8.41876@:12.62813@:3.0869@:8.41876@:0@:kiev
an.do_change@} [88]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:petrucci g clef@:78@:0@:5.00002@:2.59999@:15.20007@:5.00002@:0@:petrucc
i.g_change@} [78]
@{char@:32th Mensural Flag (down)@:138@:2.38052@:0@:0.39677@:14.87813@:0@:0@:me
nsurald25@} [138]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.64276@:7.875@:2.12193@:1.64276@:0@:v
aticana.d2@} [106]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:3.68018@:3.06679@:5.6125@:3.68018@:0@:hufnagel.
u0@} [89]
@{char@:64th Mensural Flag (down)@:142@:1.89003@:0@:0.31502@:15.75005@:0@:0@:me
nsurald06@} [142]
@{char@:64th Mensural Flag (up)@:141@:0@:2.12102@:16.79128@:0.35352@:2.12102@:0
@:mensuralu26@} [141]
@{char@:Custos Hufnagel@:90@:0@:3.68018@:3.06679@:8.41876@:3.68018@:0@:hufnagel
.u1@} [90]
@{char@:Custos Mensural@:107@:0@:8.21358@:2.25876@:12.6@:8.21358@:0@:mensural.u
0@} [107]
@{char@:Custos Hufnagel@:91@:0@:3.68018@:3.06679@:7.01563@:3.68018@:0@:hufnagel
.u2@} [91]
@{char@:Custos Mensural@:108@:0@:8.21358@:2.25876@:15.75002@:8.21358@:0@:mensur
al.u1@} [108]
@{char@:64th Mensural Flag (down)@:143@:1.89003@:0@:0.31502@:14.17505@:0@:0@:me
nsurald16@} [143]
@{char@:Reverse Custos Hufnagel@:92@:0@:3.68018@:5.6125@:3.06679@:3.68018@:0@:h
ufnagel.d0@} [92]
@{char@:64th Mensural Flag (down)@:142@:2.12102@:0@:0.35352@:17.67502@:0@:0@:me
nsurald06@} [142]
@{char@:Custos Mensural@:109@:0@:8.21358@:2.25876@:14.175@:8.21358@:0@:mensural
.u2@} [109]
@{char@:Reverse Custos Hufnagel@:93@:0@:3.68018@:8.41876@:3.06679@:3.68018@:0@:
hufnagel.d1@} [93]
@{char@:Reverse Custos Hufnagel@:94@:0@:3.68018@:7.01563@:3.06679@:3.68018@:0@:
hufnagel.d2@} [94]
@{char@:Reverse Custos Mensural@:110@:0@:8.21358@:12.6@:2.25876@:8.21358@:0@:me
nsural.d0@} [110]
@{char@:Custos Med.@:95@:0@:1.53339@:3.06679@:5.6125@:1.53339@:0@:medicaea.u0@}
[95]
@{char@:Reverse Custos Mensural@:111@:0@:8.21358@:15.75002@:2.25876@:8.21358@:0
@:mensural.d1@} [111]
@{char@:Reverse Custos Mensural@:112@:0@:8.21358@:14.175@:2.25876@:8.21358@:0@:
mensural.d2@} [112]
@{puorg@:custodes@}
)
@{char@:Custos Med.@:96@:0@:1.53339@:3.06679@:8.41876@:1.53339@:0@:medicaea.u1@
} [96]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:64th Mensural Flag (down)@:143@:2.12102@:0@:0.35352@:15.90752@:0@:0@:me
nsurald16@} [143]
@{char@:Custos Med.@:97@:0@:1.53339@:3.06679@:7.01563@:1.53339@:0@:medicaea.u2@
} [97]
@{char@:64th Mensural Flag (down)@:144@:1.89003@:0@:0.31502@:14.96254@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.63004@:3.78004@:3.78004@:6.3@:3.78004@:0@:medicae
aM1@} [113]
@{char@:mensural g clef@:80@:0@:4.45502@:2.31659@:13.54326@:4.45502@:0@:mensura
l.g_change@} [80]
@{char@:Reverse Custos Med.@:98@:0@:1.53339@:5.6125@:3.06679@:1.53339@:0@:medic
aea.d0@} [98]
@{char@:Ed. Vat. Flat@:114@:0.13617@:3.28618@:2.14198@:5.73303@:3.28618@:0@:vat
icanaM1@} [114]
@{char@:Hufnagel do clef@:81@:0@:4.90053@:3.11848@:3.34125@:4.90053@:0@:hufnage
l.do@} [81]
@{char@:64th Mensural Flag (down)@:144@:2.12102@:0@:0.35352@:16.79128@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural44@} [145]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:Hufnagel do clef@:82@:0@:3.92044@:2.4948@:2.673@:3.92044@:0@:hufnagel.d
o_change@} [82]
@{char@:Ed. Vat. Natural@:115@:0.21786@:2.73782@:4.78798@:4.78798@:2.73782@:0@:
vaticana0@} [115]
@{char@:mensural g clef@:79@:0@:6.25@:3.24997@:19.00002@:6.25@:0@:mensural.g@}
[79]
@{char@:Reverse Custos Med.@:99@:0@:1.53339@:8.41876@:3.06679@:1.53339@:0@:medi
caea.d1@} [99]
@{char@:Mensural 2/2 meter@:146@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al22@} [146]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural44@} [145]
@{char@:Mensural 3/2 meter@:147@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural32@} [147]
@{char@:Mensural Sharp@:116@:2.23384@:3.4938@:2.73782@:2.73782@:3.4938@:0@:mens
ural1@} [116]
@{char@:Hufnagel fa clef@:83@:0@:5.346@:5.12323@:4.455@:5.346@:0@:hufnagel.fa@}
[83]
@{char@:Reverse Custos Med.@:100@:0@:1.53339@:7.01563@:3.06679@:1.53339@:0@:med
icaea.d2@} [100]
@{char@:Mensural 6/4 meter@:148@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural64@} [148]
@{char@:Mensural 2/2 meter@:146@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural22@} [146]
@{char@:Hufnagel fa clef@:84@:0@:4.2768@:4.09859@:3.56401@:4.2768@:0@:hufnagel.
fa_change@} [84]
@{char@:Mensural Flat@:117@:0.4085@:2.92845@:1.98349@:11.74852@:2.92845@:0@:men
suralM1@} [117]
@{char@:Mensural 9/4 meter@:149@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural94@} [149]
@{char@:Mensural 3/2 meter@:147@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural32@} [147]
@{char@:Custos Ed. Vat.@:101@:0@:1.47209@:1.90149@:5.6125@:1.47209@:0@:vaticana
.u0@} [101]
@{char@:Hufnagel do/fa clef@:85@:0@:5.346@:14.03323@:3.34125@:5.346@:0@:hufnage
l.do.fa@} [85]
@{char@:Mensural 3/4 meter@:150@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al34@} [150]
@{char@:Custos Ed. Vat.@:102@:0@:1.47209@:1.90149@:8.41876@:1.47209@:0@:vatican
a.u1@} [102]
@{char@:Mensural 6/4 meter@:148@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural64@} [148]
@{char@:Custos Ed. Vat.@:103@:0@:1.47209@:1.90149@:7.01563@:1.47209@:0@:vatican
a.u2@} [103]
@{char@:Hufnagel do/fa clef@:86@:0@:4.2768@:13.00859@:2.673@:4.2768@:0@:hufnage
l.do.fa_change@} [86]
@{char@:Mensural 9/4 meter@:149@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural94@} [149]
@{char@:Mensural 6/8 meter@:151@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al68@} [151]
@{char@:Kievan tsefaut clef@:87@:0@:6.68251@:10.02376@:2.45027@:6.68251@:0@:kie
van.do@} [87]
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.47209@:5.6125@:1.90149@:1.47209@:0@:
vaticana.d0@} [104]
@{char@:Kievan tsefaut clef@:88@:0@:6.68251@:10.02376@:2.45027@:6.68251@:0@:kie
van.do_change@} [88]
@{puorg@:clefs@}
)
@{char@:Mensural 3/4 meter@:150@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural34@} [150] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.47209@:8.41876@:1.90149@:1.47209@:0@
:vaticana.d1@} [105]
@{char@:Mensural 9/8 meter@:152@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al98@} [152]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:2.96184@:2.46817@:4.455@:2.96184@:0@:hufnagel.u
0@} [89]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.47209@:7.01563@:1.90149@:1.47209@:0@
:vaticana.d2@} [106]
@{char@:Mensural 6/8 meter@:151@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural68@} [151]
@{char@:Mensural 4/8 meter@:153@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural48@} [153]
@{char@:Custos Mensural@:107@:0@:7.36028@:2.0241@:11.225@:7.36028@:0@:mensural.
u0@} [107]
@{char@:Custos Hufnagel@:90@:0@:2.96184@:2.46817@:6.68251@:2.96184@:0@:hufnagel
.u1@} [90]
@{char@:Hufnagel Flat@:118@:0.54466@:3.69467@:2.16235@:11.61237@:3.69467@:0@:hu
fnagelM1@} [118]
@{char@:Mensural 6/8 meter@:154@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:mens
ural68alt@} [154]
@{char@:Mensural 9/8 meter@:152@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural98@} [152]
@{char@:Custos Hufnagel@:91@:0@:2.96184@:2.46817@:5.56876@:2.96184@:0@:hufnagel
.u2@} [91]
@{char@:Custos Mensural@:108@:0@:7.36028@:2.0241@:14.03127@:7.36028@:0@:mensura
l.u1@} [108]
@{char@:Kievan sharp@:119@:0@:10.08005@:10.08005@:10.08005@:10.08005@:0@:kievan
1@} [119]
@{char@:Mensural 2/4 meter@:155@:0@:5.59813@:4.1986@:4.1986@:5.59813@:0@:mensur
al24@} [155]
@{char@:Kievan flat@:120@:0@:6.3@:6.3@:11.34003@:6.3@:0@:kievanM1@} [120]
@{puorg@:accidentals@}
)
@{char@:Custos Mensural@:109@:0@:7.36028@:2.0241@:12.62813@:7.36028@:0@:mensura
l.u2@} [109]
@{char@:Mensural 4/8 meter@:153@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural48@} [153] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:Reverse Custos Hufnagel@:92@:0@:2.96184@:4.455@:2.46817@:2.96184@:0@:hu
fnagel.d0@} [92]
@{char@:Reverse Custos Hufnagel@:93@:0@:2.96184@:6.68251@:2.46817@:2.96184@:0@:
hufnagel.d1@} [93]
@{char@:Mensural 4/4 meter@:156@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural44@} [156]
@{char@:Reverse Custos Mensural@:110@:0@:7.36028@:11.225@:2.0241@:7.36028@:0@:m
ensural.d0@} [110]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:3.78004@:12.6@:0.63004@:3.78004@:0@:men
suralu03@} [121]
@{char@:Reverse Custos Hufnagel@:94@:0@:2.96184@:5.56876@:2.46817@:2.96184@:0@:
hufnagel.d2@} [94]
@{char@:Mensural 6/8 meter@:154@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:mens
ural68alt@} [154]
@{char@:mensural g clef@:80@:0@:5.00002@:2.59999@:15.20007@:5.00002@:0@:mensura
l.g_change@} [80]
@{char@:Mensural 2/2 meter@:157@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural22@} [157]
@{char@:Reverse Custos Mensural@:111@:0@:7.36028@:14.03127@:2.0241@:7.36028@:0@
:mensural.d1@} [111]
@{char@:8th Mensural Flag (up)@:122@:0@:3.78004@:9.45001@:0.63004@:3.78004@:0@:
mensuralu13@} [122]
@{char@:Custos Med.@:95@:0@:1.23409@:2.46817@:4.455@:1.23409@:0@:medicaea.u0@}
[95]
@{char@:Mensural 2/4 meter@:155@:0@:6.20204@:4.65154@:4.65154@:6.20204@:0@:mens
ural24@} [155]
@{char@:Hufnagel do clef@:81@:0@:5.50003@:3.49998@:3.75@:5.50003@:0@:hufnagel.d
o@} [81]
@{char@:8th Mensural Flag (up)@:123@:0@:3.78004@:11.02501@:0.63004@:3.78004@:0@
:mensuralu23@} [123]
@{char@:Reverse Custos Mensural@:112@:0@:7.36028@:12.62813@:2.0241@:7.36028@:0@
:mensural.d2@} [112]
@{puorg@:custodes@}
)
@{char@:Mensural 3/2 meter@:158@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural32@} [158]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Hufnagel do clef@:82@:0@:4.40004@:2.8@:3.00002@:4.40004@:0@:hufnagel.do
_change@} [82]
@{char@:Mensural 4/4 meter@:156@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural44@} [156]
@{char@:8th Mensural Flag (down)@:124@:3.78004@:0@:0.63004@:12.6@:0@:0@:mensura
ld03@} [124]
@{char@:Custos Med.@:96@:0@:1.23409@:2.46817@:6.68251@:1.23409@:0@:medicaea.u1@
} [96]
@{char@:Mensural 2/2 meter@:157@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural22@} [157]
@{char@:Mensural 6/4 meter@:159@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural64@} [159]
@{char@:8th Mensural Flag (down)@:125@:3.78004@:0@:0.63004@:9.45001@:0@:0@:mens
urald13@} [125]
@{char@:Hufnagel fa clef@:83@:0@:5.99998@:5.74997@:5@:5.99998@:0@:hufnagel.fa@}
[83]
@{char@:Mensural 3/2 meter@:158@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural32@} [158]
@{char@:Hufnagel fa clef@:84@:0@:4.8@:4.59999@:4.00002@:4.8@:0@:hufnagel.fa_cha
nge@} [84]
@{char@:Mensural 9/4 meter@:160@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural94@} [160]
@{char@:8th Mensural Flag (down)@:126@:3.78004@:0@:0.63004@:11.02501@:0@:0@:men
surald23@} [126]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.56128@:3.36754@:3.36754@:5.6125@:3.36754@:0@:medi
caeaM1@} [113]
@{char@:Custos Med.@:97@:0@:1.23409@:2.46817@:5.56876@:1.23409@:0@:medicaea.u2@
} [97]
@{char@:64th Mensural Flag (up)@:139@:0@:2.38052@:19.8375@:0.39677@:2.38052@:0@
:mensuralu06@} [139]
@{char@:Mensural 6/4 meter@:159@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural64@} [159]
@{char@:Hufnagel do/fa clef@:85@:0@:5.99998@:15.74997@:3.75@:5.99998@:0@:hufnag
el.do.fa@} [85]
@{char@:Ed. Vat. Flat@:114@:0.13026@:2.93652@:1.90823@:5.1074@:2.93652@:0@:vati
canaM1@} [114]
@{char@:Reverse Custos Med.@:98@:0@:1.23409@:4.455@:2.46817@:1.23409@:0@:medica
ea.d0@} [98]
@{char@:16th Mensural Flag (up)@:127@:0@:3.78004@:18.90001@:0.63004@:3.78004@:0
@:mensuralu04@} [127]
@{char@:Ed. Vat. Natural@:115@:0.20842@:2.45338@:4.26547@:4.26547@:2.45338@:0@:
vaticana0@} [115]
@{char@:Mensural 9/4 meter@:160@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural94@} [160]
@{char@:Reverse Custos Med.@:99@:0@:1.23409@:6.68251@:2.46817@:1.23409@:0@:medi
caea.d1@} [99]
@{char@:16th Mensural Flag (up)@:128@:0@:3.78004@:15.75002@:0.63004@:3.78004@:0
@:mensuralu14@} [128]
@{char@:Mensural 3/4 meter@:161@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural34@} [161]
@{char@:Mensural Sharp@:116@:2.0044@:3.12686@:2.45338@:2.45338@:3.12686@:0@:men
sural1@} [116]
@{char@:16th Mensural Flag (up)@:129@:0@:3.78004@:17.32501@:0.63004@:3.78004@:0
@:mensuralu24@} [129]
@{char@:Hufnagel do/fa clef@:86@:0@:4.8@:14.59999@:3.00002@:4.8@:0@:hufnagel.do
.fa_change@} [86]
@{char@:Reverse Custos Med.@:100@:0@:1.23409@:5.56876@:2.46817@:1.23409@:0@:med
icaea.d2@} [100]
@{char@:Mensural 3/4 meter@:161@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural34@} [161]
@{char@:Mensural 6/8 meter@:162@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural68@} [162]
@{char@:Kievan tsefaut clef@:87@:0@:7.5@:11.25@:2.75002@:7.5@:0@:kievan.do@}
[87]
@{char@:64th Mensural Flag (up)@:140@:0@:2.38052@:17.85374@:0.39677@:2.38052@:0
@:mensuralu16@} [140]
@{char@:16th Mensural Flag (down)@:130@:3.78004@:0@:0.63004@:18.90001@:0@:0@:me
nsurald04@} [130]
@{char@:Kievan tsefaut clef@:88@:0@:7.5@:11.25@:2.75002@:7.5@:0@:kievan.do_chan
ge@} [88]
@{puorg@:clefs@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-custodes.mf

@{char@:Mensural 9/8 meter@:163@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural98@} [163]
@{char@:Custos Ed. Vat.@:101@:0@:1.18475@:1.53035@:4.455@:1.18475@:0@:vaticana.
u0@} [101]
@{char@:Mensural Flat@:117@:0.39081@:2.63577@:1.79393@:10.49333@:2.63577@:0@:me
nsuralM1@} [117]
@{char@:16th Mensural Flag (down)@:131@:3.78004@:0@:0.63004@:15.75002@:0@:0@:me
nsurald14@} [131]
@{char@:Custos Ed. Vat.@:102@:0@:1.18475@:1.53035@:6.68251@:1.18475@:0@:vatican
a.u1@} [102]
@{char@:Mensural 4/8 meter@:164@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural48@} [164]@{group@:custodes@}
@{char@:Custos Hufnagel@:89@:0@:3.30006@:2.75003@:5@:3.30006@:0@:hufnagel.u0@}
[89]
@{char@:Custos Ed. Vat.@:103@:0@:1.18475@:1.53035@:5.56876@:1.18475@:0@:vatican
a.u2@} [103]
@{char@:Mensural 6/8 meter@:165@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural68alt@} [165]
@{char@:16th Mensural Flag (down)@:132@:3.78004@:0@:0.63004@:17.32501@:0@:0@:me
nsurald24@} [132]
@{char@:Custos Hufnagel@:90@:0@:3.30006@:2.75003@:7.5@:3.30006@:0@:hufnagel.u1@
} [90]
@{char@:64th Mensural Flag (up)@:141@:0@:2.38052@:18.84563@:0.39677@:2.38052@:0
@:mensuralu26@} [141]
@{char@:Mensural 2/4 meter@:166@:0@:6.20204@:3.10103@:3.10103@:6.20204@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
)
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.18475@:4.455@:1.53035@:1.18475@:0@:v
aticana.d0@} [104] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:Custos Hufnagel@:91@:0@:3.30006@:2.75003@:6.25@:3.30006@:0@:hufnagel.u2
@} [91]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.18475@:6.68251@:1.53035@:1.18475@:0@
:vaticana.d1@} [105]
@{char@:Mensural 6/8 meter@:162@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural68@} [162]
@{group@:scripts@}
@{char@:ictus@:167@:0.22488@:0.22488@:0.61864@:0.61864@:0.22488@:0@:ictus@}
[167]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.18475@:5.56876@:1.53035@:1.18475@:0@
:vaticana.d2@} [106]
@{char@:64th Mensural Flag (down)@:142@:2.38052@:0@:0.39677@:19.8375@:0@:0@:men
surald06@} [142]
@{char@:32th Mensural Flag (up)@:133@:0@:3.78004@:25.20001@:0.63004@:3.78004@:0
@:mensuralu05@} [133]
@{char@:Reverse Custos Hufnagel@:92@:0@:3.30006@:5@:2.75003@:3.30006@:0@:hufnag
el.d0@} [92]
@{char@:accentus up@:168@:0.44188@:0.44188@:0.61864@:0.61864@:0.44188@:0@:uacce
ntus@} [168]
@{char@:Mensural 9/8 meter@:163@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural98@} [163]
@{char@:Custos Mensural@:107@:0@:5.9236@:1.629@:8.91@:5.9236@:0@:mensural.u0@}
[107]
@{char@:32th Mensural Flag (up)@:134@:0@:3.78004@:22.05002@:0.63004@:3.78004@:0
@:mensuralu15@} [134]
@{char@:Mensural 4/8 meter@:164@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural48@} [164]
@{char@:Hufnagel Flat@:118@:0.52107@:3.32733@:1.9443@:10.36307@:3.32733@:0@:huf
nagelM1@} [118]
@{char@:Custos Mensural@:108@:0@:5.9236@:1.629@:11.13751@:5.9236@:0@:mensural.u
1@} [108]
@{char@:accentus down@:169@:0.44188@:0.44188@:0.61864@:0.61864@:0.44188@:0@:dac
centus@} [169]
@{char@:Mensural 6/8 meter@:165@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural68alt@} [165]
@{char@:Reverse Custos Hufnagel@:93@:0@:3.30006@:7.5@:2.75003@:3.30006@:0@:hufn
agel.d1@} [93]
@{char@:half circle@:170@:0.55235@:0.55235@:0@:0.55235@:0.55235@:0@:usemicircul
us@} [170]
@{char@:Custos Mensural@:109@:0@:5.9236@:1.629@:10.02376@:5.9236@:0@:mensural.u
2@} [109]
@{char@:32th Mensural Flag (up)@:135@:0@:3.78004@:23.62502@:0.63004@:3.78004@:0
@:mensuralu25@} [135]
@{char@:half circle@:171@:0.55235@:0.55235@:0.55235@:0@:0.55235@:0@:dsemicircul
us@} [171]
@{char@:Kievan sharp@:119@:0@:8.98004@:8.98004@:8.98004@:8.98004@:0@:kievan1@}
[119]
@{char@:Reverse Custos Hufnagel@:94@:0@:3.30006@:6.25@:2.75003@:3.30006@:0@:huf
nagel.d2@} [94]
@{char@:Reverse Custos Mensural@:110@:0@:5.9236@:8.91@:1.629@:5.9236@:0@:mensur
al.d0@} [110]
@{char@:Mensural 2/4 meter@:166@:0@:5.59813@:2.79907@:2.79907@:5.59813@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:64th Mensural Flag (down)@:143@:2.38052@:0@:0.39677@:17.85374@:0@:0@:me
nsurald16@} [143]
@{char@:Custos Med.@:95@:0@:1.37502@:2.75003@:5@:1.37502@:0@:medicaea.u0@}
[95]
@{char@:Reverse Custos Mensural@:111@:0@:5.9236@:11.13751@:1.629@:5.9236@:0@:me
nsural.d1@} [111]
@{char@:circle@:172@:0.55235@:0.55235@:0.55235@:0.55235@:0.55235@:0@:circulus@}
[172]
@{group@:scripts@}
@{char@:ictus@:167@:0.21828@:0.21828@:0.55127@:0.55127@:0.21828@:0@:ictus@}
[167]
@{char@:Custos Med.@:96@:0@:1.37502@:2.75003@:7.5@:1.37502@:0@:medicaea.u1@}
[96]
@{char@:augmentum@:173@:0.44188@:0.44188@:0.44188@:0.44188@:0.44188@:0@:augment
um@} [173]
@{char@:Reverse Custos Mensural@:112@:0@:5.9236@:10.02376@:1.629@:5.9236@:0@:me
nsural.d2@} [112]
@{puorg@:custodes@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:32th Mensural Flag (down)@:136@:3.78004@:0@:0.63004@:25.20001@:0@:0@:me
nsurald05@} [136]
@{char@:accentus up@:168@:0.39375@:0.39375@:0.55127@:0.55127@:0.39375@:0@:uacce
ntus@} [168]
@{char@:Custos Med.@:97@:0@:1.37502@:2.75003@:6.25@:1.37502@:0@:medicaea.u2@}
[97]
@{char@:accentus down@:169@:0.39375@:0.39375@:0.55127@:0.55127@:0.39375@:0@:dac
centus@} [169]
@{char@:64th Mensural Flag (down)@:144@:2.38052@:0@:0.39677@:18.84563@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
@{char@:signum congruentiae up@:174@:2.44215@:2.44215@:1.12442@:8.6442@:2.44215
@:0@:usignumcongruentiae@} [174]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:Reverse Custos Med.@:98@:0@:1.37502@:5@:2.75003@:1.37502@:0@:medicaea.d
0@} [98]
@{char@:half circle@:170@:0.49219@:0.49219@:0@:0.49219@:0.49219@:0@:usemicircul
us@} [170]
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.44553@:2.67303@:2.67303@:4.455@:2.67303@:0@:medic
aeaM1@} [113]
@{char@:half circle@:171@:0.49219@:0.49219@:0.49219@:0@:0.49219@:0@:dsemicircul
us@} [171]
@{char@:signum congruentiae down@:175@:2.44215@:2.44215@:8.6442@:1.12442@:2.442
15@:0@:dsignumcongruentiae@} [175]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural44@} [145]
@{char@:Reverse Custos Med.@:99@:0@:1.37502@:7.5@:2.75003@:1.37502@:0@:medicaea
.d1@} [99]
@{char@:32th Mensural Flag (down)@:137@:3.78004@:0@:0.63004@:22.05002@:0@:0@:me
nsurald15@} [137]
@{char@:Ed. Vat. Flat@:114@:0.12033@:2.34784@:1.51468@:4.05406@:2.34784@:0@:vat
icanaM1@} [114]
@{char@:circle@:172@:0.49219@:0.49219@:0.49219@:0.49219@:0.49219@:0@:circulus@}
[172]
@{char@:Kievan end of piece (slash)@:176@:0@:5.65596@:7.49728@:10.17773@:5.6559
6@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:Reverse Custos Med.@:100@:0@:1.37502@:6.25@:2.75003@:1.37502@:0@:medica
ea.d2@} [100] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{char@:Ed. Vat. Natural@:115@:0.19254@:1.9745@:3.38577@:3.38577@:1.9745@:0@:va
ticana0@} [115]
@{char@:Kievan flat@:120@:0@:5.6125@:5.6125@:10.10252@:5.6125@:0@:kievanM1@}
[120]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:augmentum@:173@:0.39375@:0.39375@:0.39375@:0.39375@:0.39375@:0@:augment
um@} [173]
@{char@:32th Mensural Flag (down)@:138@:3.78004@:0@:0.63004@:23.62502@:0@:0@:me
nsurald25@} [138]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.02841@:0.5142@:0.5142@:1.02841@:0@:dotvaticana@
} [177]
@{char@:Mensural 2/2 meter@:146@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural22@} [146]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:3.36754@:11.225@:0.56128@:3.36754@:0@:m
ensuralu03@} [121]
@{char@:Kievan augmentation dot@:178@:0@:3.08524@:1.54262@:1.54262@:3.08524@:0@
:dotkievan@} [178]
@{char@:Custos Ed. Vat.@:101@:0@:1.32004@:1.7051@:5@:1.32004@:0@:vaticana.u0@}
[101]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:Mensural 3/2 meter@:147@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural32@} [147]
@{char@:signum congruentiae up@:174@:2.22984@:2.22984@:1.09138@:7.82796@:2.2298
4@:0@:usignumcongruentiae@} [174]
@{char@:Custos Ed. Vat.@:102@:0@:1.32004@:1.7051@:7.5@:1.32004@:0@:vaticana.u1@
} [102]
@{char@:64th Mensural Flag (up)@:139@:0@:3.78004@:31.50002@:0.63004@:3.78004@:0
@:mensuralu06@} [139]
@{char@:8th Mensural Flag (up)@:122@:0@:3.36754@:8.41876@:0.56128@:3.36754@:0@:
mensuralu13@} [122]
(some charht values had to be adjusted by as much as 0.44188pt)
(some chardp values had to be adjusted by as much as 0.44188pt)
Font metrics written on parmesan14.tfm.
146 output files written: parmesan14.33 .. parmesan14.178
Transcript written on parmesan14.log.

@{char@:signum congruentiae down@:175@:2.22984@:2.22984@:7.82796@:1.09138@:2.22
984@:0@:dsignumcongruentiae@} [175]
@{char@:8th Mensural Flag (up)@:123@:0@:3.36754@:9.82188@:0.56128@:3.36754@:0@:
mensuralu23@} [123]
@{char@:8th Mensural Flag (down)@:124@:3.36754@:0@:0.56128@:11.225@:0@:0@:mensu
rald03@} [124]
@{char@:Kievan end of piece (slash)@:176@:0@:5.03998@:6.71474@:9.03531@:5.03998
@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:Mensural 6/4 meter@:148@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural64@} [148] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{char@:Custos Ed. Vat.@:103@:0@:1.32004@:1.7051@:6.25@:1.32004@:0@:vaticana.u2
@} [103]
@{char@:Mensural Sharp@:116@:1.61812@:2.5091@:1.9745@:1.9745@:2.5091@:0@:mensur
al1@} [116]
@{group@:dots@}
@{char@:duration dot@:177@:0@:0.90448@:0.45224@:0.45224@:0.90448@:0@:dotvatican
a@} [177]
@{char@:8th Mensural Flag (down)@:125@:3.36754@:0@:0.56128@:8.41876@:0@:0@:mens
urald13@} [125]
@{char@:Mensural 9/4 meter@:149@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural94@} [149]
@{char@:Kievan augmentation dot@:178@:0@:2.71346@:1.35674@:1.35674@:2.71346@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:Reverse Custos Ed. Vat.@:104@:0@:1.32004@:5@:1.7051@:1.32004@:0@:vatica
na.d0@} [104]
@{char@:Mensural Flat@:117@:0.36101@:2.14297@:1.47476@:8.38002@:2.14297@:0@:men
suralM1@} [117]
@{char@:64th Mensural Flag (up)@:140@:0@:3.78004@:28.35002@:0.63004@:3.78004@:0
@:mensuralu16@} [140]
@{char@:8th Mensural Flag (down)@:126@:3.36754@:0@:0.56128@:9.82188@:0@:0@:mens
urald23@} [126]
@{char@:Reverse Custos Ed. Vat.@:105@:0@:1.32004@:7.5@:1.7051@:1.32004@:0@:vati
cana.d1@} [105]
(some charht values had to be adjusted by as much as 0.39375pt)
(some chardp values had to be adjusted by as much as 0.39375pt)
Font metrics written on parmesan13.tfm.
146 output files written: parmesan13.33 .. parmesan13.178
Transcript written on parmesan13.log.

@{char@:Mensural 3/4 meter@:150@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural34@} [150]
@{char@:Reverse Custos Ed. Vat.@:106@:0@:1.32004@:6.25@:1.7051@:1.32004@:0@:vat
icana.d2@} [106]
@{char@:16th Mensural Flag (up)@:127@:0@:3.36754@:16.83751@:0.56128@:3.36754@:0
@:mensuralu04@} [127]
@{char@:Custos Mensural@:107@:0@:6.60004@:1.81502@:10@:6.60004@:0@:mensural.u0@
} [107]
@{char@:64th Mensural Flag (up)@:141@:0@:3.78004@:29.92502@:0.63004@:3.78004@:0
@:mensuralu26@} [141]
@{char@:Custos Mensural@:108@:0@:6.60004@:1.81502@:12.5@:6.60004@:0@:mensural.u
1@} [108]
@{char@:16th Mensural Flag (up)@:128@:0@:3.36754@:14.03127@:0.56128@:3.36754@:0
@:mensuralu14@} [128]
@{char@:Custos Mensural@:109@:0@:6.60004@:1.81502@:11.25@:6.60004@:0@:mensural.
u2@} [109]
@{char@:64th Mensural Flag (down)@:142@:3.78004@:0@:0.63004@:31.50002@:0@:0@:me
nsurald06@} [142]
@{char@:Reverse Custos Mensural@:110@:0@:6.60004@:10@:1.81502@:6.60004@:0@:mens
ural.d0@} [110]
@{char@:Hufnagel Flat@:118@:0.48134@:2.70885@:1.5772@:8.25969@:2.70885@:0@:hufn
agelM1@} [118]
@{char@:Mensural 6/8 meter@:151@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural68@} [151]
@{char@:16th Mensural Flag (up)@:129@:0@:3.36754@:15.43439@:0.56128@:3.36754@:0
@:mensuralu24@} [129]
@{char@:Kievan sharp@:119@:0@:7.12804@:7.12804@:7.12804@:7.12804@:0@:kievan1@}
[119]
@{char@:Kievan flat@:120@:0@:4.455@:4.455@:8.01901@:4.455@:0@:kievanM1@} [120]
@{puorg@:accidentals@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:16th Mensural Flag (down)@:130@:3.36754@:0@:0.56128@:16.83751@:0@:0@:me
nsurald04@} [130]
@{char@:Mensural 9/8 meter@:152@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural98@} [152]
@{char@:Mensural 4/8 meter@:153@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural48@} [153]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:2.67303@:8.91@:0.44553@:2.67303@:0@:men
suralu03@} [121]
@{char@:64th Mensural Flag (down)@:143@:3.78004@:0@:0.63004@:28.35002@:0@:0@:me
nsurald16@} [143]
@{char@:Reverse Custos Mensural@:111@:0@:6.60004@:12.5@:1.81502@:6.60004@:0@:me
nsural.d1@} [111]
@{char@:16th Mensural Flag (down)@:131@:3.36754@:0@:0.56128@:14.03127@:0@:0@:me
nsurald14@} [131]
@{char@:Reverse Custos Mensural@:112@:0@:6.60004@:11.25@:1.81502@:6.60004@:0@:m
ensural.d2@} [112]
@{puorg@:custodes@}
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-accidentals.m
f
@{char@:Mensural 6/8 meter@:154@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:mens
ural68alt@} [154]
@{char@:16th Mensural Flag (down)@:132@:3.36754@:0@:0.56128@:15.43439@:0@:0@:me
nsurald24@} [132]
@{char@:64th Mensural Flag (down)@:144@:3.78004@:0@:0.63004@:29.92502@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
@{char@:Mensural 2/4 meter@:155@:0@:6.88048@:5.16035@:5.16035@:6.88048@:0@:mens
ural24@} [155]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{group@:accidentals@}
@{char@:Ed. Med. Flat@:113@:0.50003@:3.00003@:3.00003@:5@:3.00003@:0@:medicaeaM
1@} [113]
@{char@:Mensural 4/4 meter@:156@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural44@} [156]
@{char@:32th Mensural Flag (up)@:133@:0@:3.36754@:22.45001@:0.56128@:3.36754@:0
@:mensuralu05@} [133]
@{char@:Ed. Vat. Flat@:114@:0.12502@:2.62502@:1.69998@:4.55002@:2.62502@:0@:vat
icanaM1@} [114]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural44@} [145]
@{char@:Ed. Vat. Natural@:115@:0.20001@:2.19998@:3.79997@:3.79997@:2.19998@:0@:
vaticana0@} [115]
@{char@:Mensural 2/2 meter@:157@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural22@} [157]
@{char@:Mensural 2/2 meter@:146@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural22@} [146]
@{char@:Mensural 3/2 meter@:158@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural32@} [158]
@{char@:Mensural 3/2 meter@:147@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural32@} [147]
@{char@:Mensural Sharp@:116@:1.79999@:2.79996@:2.19998@:2.19998@:2.79996@:0@:me
nsural1@} [116]
@{char@:32th Mensural Flag (up)@:134@:0@:3.36754@:19.64377@:0.56128@:3.36754@:0
@:mensuralu15@} [134]
@{char@:Mensural Flat@:117@:0.37503@:2.375@:1.62503@:9.37505@:2.375@:0@:mensura
lM1@} [117]
@{char@:Mensural 6/4 meter@:159@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural64@} [159]
@{char@:Mensural 6/4 meter@:148@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural64@} [148]
@{char@:Mensural 9/4 meter@:160@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural94@} [160]
@{char@:Mensural 9/4 meter@:149@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural94@} [149]
@{char@:Mensural 3/4 meter@:161@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural34@} [161]
@{char@:Mensural 3/4 meter@:150@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural34@} [150]
@{char@:32th Mensural Flag (up)@:135@:0@:3.36754@:21.04689@:0.56128@:3.36754@:0
@:mensuralu25@} [135]
@{char@:Mensural 6/8 meter@:162@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural68@} [162]
@{char@:8th Mensural Flag (up)@:122@:0@:2.67303@:6.68251@:0.44553@:2.67303@:0@:
mensuralu13@} [122]
@{char@:32th Mensural Flag (down)@:136@:3.36754@:0@:0.56128@:22.45001@:0@:0@:me
nsurald05@} [136]
@{char@:Mensural 9/8 meter@:163@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural98@} [163]
@{char@:8th Mensural Flag (up)@:123@:0@:2.67303@:7.79625@:0.44553@:2.67303@:0@:
mensuralu23@} [123]
@{char@:Mensural 4/8 meter@:164@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural48@} [164]
@{char@:Mensural 6/8 meter@:151@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural68@} [151]
@{char@:8th Mensural Flag (down)@:124@:2.67303@:0@:0.44553@:8.91@:0@:0@:mensura
ld03@} [124]
@{char@:Mensural 6/8 meter@:165@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural68alt@} [165]
@{char@:32th Mensural Flag (down)@:137@:3.36754@:0@:0.56128@:19.64377@:0@:0@:me
nsurald15@} [137]
@{char@:8th Mensural Flag (down)@:125@:2.67303@:0@:0.44553@:6.68251@:0@:0@:mens
urald13@} [125]
@{char@:Hufnagel Flat@:118@:0.50005@:3.00005@:1.75005@:9.25005@:3.00005@:0@:huf
nagelM1@} [118]
@{char@:Mensural 2/4 meter@:166@:0@:6.88048@:3.44025@:3.44025@:6.88048@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
)
@{char@:8th Mensural Flag (down)@:126@:2.67303@:0@:0.44553@:7.79625@:0@:0@:mens
urald23@} [126] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:Kievan sharp@:119@:0@:8.00003@:8.00003@:8.00003@:8.00003@:0@:kievan1@}
[119]
@{char@:Kievan flat@:120@:0@:5@:5@:9.00002@:5@:0@:kievanM1@} [120]
@{puorg@:accidentals@}
)
@{group@:scripts@}
@{char@:ictus@:167@:0.23232@:0.23232@:0.69432@:0.69432@:0.23232@:0@:ictus@}
[167] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-flags.mf
@{char@:accentus up@:168@:0.49594@:0.49594@:0.69432@:0.69432@:0.49594@:0@:uacce
ntus@} [168]
@{char@:16th Mensural Flag (up)@:127@:0@:2.67303@:13.365@:0.44553@:2.67303@:0@:
mensuralu04@} [127]
@{group@:flags@}
@{char@:8th Mensural Flag (up)@:121@:0@:3.00003@:10@:0.50003@:3.00003@:0@:mensu
ralu03@} [121]
@{char@:32th Mensural Flag (down)@:138@:3.36754@:0@:0.56128@:21.04689@:0@:0@:me
nsurald25@} [138]
@{char@:8th Mensural Flag (up)@:122@:0@:3.00003@:7.5@:0.50003@:3.00003@:0@:mens
uralu13@} [122]
@{char@:16th Mensural Flag (up)@:128@:0@:2.67303@:11.13751@:0.44553@:2.67303@:0
@:mensuralu14@} [128]
@{char@:accentus down@:169@:0.49594@:0.49594@:0.69432@:0.69432@:0.49594@:0@:dac
centus@} [169]
@{char@:half circle@:170@:0.61992@:0.61992@:0@:0.61992@:0.61992@:0@:usemicircul
us@} [170]
@{char@:8th Mensural Flag (up)@:123@:0@:3.00003@:8.75@:0.50003@:3.00003@:0@:men
suralu23@} [123]
@{char@:Mensural 9/8 meter@:152@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural98@} [152]
@{char@:half circle@:171@:0.61992@:0.61992@:0.61992@:0@:0.61992@:0@:dsemicircul
us@} [171]
@{char@:64th Mensural Flag (up)@:139@:0@:3.36754@:28.06252@:0.56128@:3.36754@:0
@:mensuralu06@} [139]
@{char@:16th Mensural Flag (up)@:129@:0@:2.67303@:12.25125@:0.44553@:2.67303@:0
@:mensuralu24@} [129]
@{char@:circle@:172@:0.61992@:0.61992@:0.61992@:0.61992@:0.61992@:0@:circulus@}
[172]
@{char@:Mensural 4/8 meter@:153@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural48@} [153]
@{char@:augmentum@:173@:0.49594@:0.49594@:0.49594@:0.49594@:0.49594@:0@:augment
um@} [173]
@{char@:64th Mensural Flag (up)@:140@:0@:3.36754@:25.25627@:0.56128@:3.36754@:0
@:mensuralu16@} [140]
@{char@:16th Mensural Flag (down)@:130@:2.67303@:0@:0.44553@:13.365@:0@:0@:mens
urald04@} [130]
@{char@:Mensural 6/8 meter@:154@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:me
nsural68alt@} [154]
@{char@:16th Mensural Flag (down)@:131@:2.67303@:0@:0.44553@:11.13751@:0@:0@:me
nsurald14@} [131]
@{char@:signum congruentiae up@:174@:2.68068@:2.68068@:1.16154@:9.56116@:2.6806
8@:0@:usignumcongruentiae@} [174]
@{char@:Mensural 2/4 meter@:155@:0@:10.53934@:7.90451@:7.90451@:10.53934@:0@:me
nsural24@} [155]
@{char@:64th Mensural Flag (up)@:141@:0@:3.36754@:26.6594@:0.56128@:3.36754@:0@
:mensuralu26@} [141]
@{char@:signum congruentiae down@:175@:2.68068@:2.68068@:9.56116@:1.16154@:2.68
068@:0@:dsignumcongruentiae@} [175]
@{char@:Mensural 4/4 meter@:156@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural44@} [156]
@{char@:16th Mensural Flag (down)@:132@:2.67303@:0@:0.44553@:12.25125@:0@:0@:me
nsurald24@} [132]
@{char@:Mensural 2/2 meter@:157@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural22@} [157]
@{char@:Kievan end of piece (slash)@:176@:0@:6.34796@:8.37637@:11.46112@:6.3479
6@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{char@:Mensural 3/2 meter@:158@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural32@} [158]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.16763@:0.58382@:0.58382@:1.16763@:0@:dotvatican
a@} [177]
@{char@:64th Mensural Flag (down)@:142@:3.36754@:0@:0.56128@:28.06252@:0@:0@:me
nsurald06@} [142]
@{char@:32th Mensural Flag (up)@:133@:0@:2.67303@:17.82@:0.44553@:2.67303@:0@:m
ensuralu05@} [133]
@{char@:Kievan augmentation dot@:178@:0@:3.50288@:1.75145@:1.75145@:3.50288@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:Mensural 6/4 meter@:159@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural64@} [159]
(some charht values had to be adjusted by as much as 0.49594pt)
(some chardp values had to be adjusted by as much as 0.49594pt)
Font metrics written on parmesan16.tfm.
146 output files written: parmesan16.33 .. parmesan16.178
Transcript written on parmesan16.log.

@{char@:Mensural 9/4 meter@:160@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural94@} [160]
@{char@:Mensural 3/4 meter@:161@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural34@} [161]
@{char@:64th Mensural Flag (down)@:143@:3.36754@:0@:0.56128@:25.25627@:0@:0@:me
nsurald16@} [143]
@{char@:32th Mensural Flag (up)@:134@:0@:2.67303@:15.59251@:0.44553@:2.67303@:0
@:mensuralu15@} [134]
@{char@:8th Mensural Flag (down)@:124@:3.00003@:0@:0.50003@:10@:0@:0@:mensurald
03@} [124]
@{char@:64th Mensural Flag (down)@:144@:3.36754@:0@:0.56128@:26.6594@:0@:0@:men
surald26@} [144]
@{puorg@:flags@}
)
@{char@:32th Mensural Flag (up)@:135@:0@:2.67303@:16.70625@:0.44553@:2.67303@:0
@:mensuralu25@} [135]
@{char@:Mensural 6/8 meter@:162@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural68@} [162]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:8th Mensural Flag (down)@:125@:3.00003@:0@:0.50003@:7.5@:0@:0@:mensural
d13@} [125]
@{char@:8th Mensural Flag (down)@:126@:3.00003@:0@:0.50003@:8.75@:0@:0@:mensura
ld23@} [126]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al44@} [145]
@{char@:32th Mensural Flag (down)@:136@:2.67303@:0@:0.44553@:17.82@:0@:0@:mensu
rald05@} [136]
@{char@:16th Mensural Flag (up)@:127@:0@:3.00003@:15@:0.50003@:3.00003@:0@:mens
uralu04@} [127]
@{char@:Mensural 2/2 meter@:146@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al22@} [146]
@{char@:Mensural 9/8 meter@:163@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural98@} [163]
@{char@:Mensural 3/2 meter@:147@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al32@} [147]
@{char@:Mensural 6/4 meter@:148@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al64@} [148]
@{char@:16th Mensural Flag (up)@:128@:0@:3.00003@:12.5@:0.50003@:3.00003@:0@:me
nsuralu14@} [128]
@{char@:32th Mensural Flag (down)@:137@:2.67303@:0@:0.44553@:15.59251@:0@:0@:me
nsurald15@} [137]
@{char@:Mensural 4/8 meter@:164@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural48@} [164]
@{char@:Mensural 9/4 meter@:149@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al94@} [149]
@{char@:Mensural 6/8 meter@:165@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural68alt@} [165]
@{char@:Mensural 3/4 meter@:150@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al34@} [150]
@{char@:32th Mensural Flag (down)@:138@:2.67303@:0@:0.44553@:16.70625@:0@:0@:me
nsurald25@} [138]
@{char@:Mensural 2/4 meter@:166@:0@:10.53934@:5.26967@:5.26967@:10.53934@:0@:ne
omensural24@} [166]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{char@:Mensural 6/8 meter@:151@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al68@} [151]
@{group@:scripts@}
@{char@:ictus@:167@:0.27234@:0.27234@:1.10252@:1.10252@:0.27234@:0@:ictus@}
[167]
@{char@:Mensural 9/8 meter@:152@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al98@} [152]
@{char@:64th Mensural Flag (up)@:139@:0@:2.67303@:22.27501@:0.44553@:2.67303@:0
@:mensuralu06@} [139]
@{char@:accentus up@:168@:0.7875@:0.7875@:1.10252@:1.10252@:0.7875@:0@:uaccentu
s@} [168]
@{char@:16th Mensural Flag (up)@:129@:0@:3.00003@:13.75@:0.50003@:3.00003@:0@:m
ensuralu24@} [129]
@{char@:Mensural 4/8 meter@:153@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al48@} [153]
@{char@:64th Mensural Flag (up)@:140@:0@:2.67303@:20.04752@:0.44553@:2.67303@:0
@:mensuralu16@} [140]
@{char@:Mensural 6/8 meter@:154@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:mensur
al68alt@} [154]
@{char@:16th Mensural Flag (down)@:130@:3.00003@:0@:0.50003@:15@:0@:0@:mensural
d04@} [130]
@{char@:Mensural 2/4 meter@:155@:0@:9.4609@:7.09569@:7.09569@:9.4609@:0@:mensur
al24@} [155]
@{char@:16th Mensural Flag (down)@:131@:3.00003@:0@:0.50003@:12.5@:0@:0@:mensur
ald14@} [131]
@{char@:Mensural 4/4 meter@:156@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural44@} [156]
@{char@:Mensural 2/2 meter@:157@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural22@} [157]
@{char@:16th Mensural Flag (down)@:132@:3.00003@:0@:0.50003@:13.75@:0@:0@:mensu
rald24@} [132]
@{char@:Mensural 3/2 meter@:158@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural32@} [158]
@{char@:64th Mensural Flag (up)@:141@:0@:2.67303@:21.16125@:0.44553@:2.67303@:0
@:mensuralu26@} [141]
@{char@:Mensural 6/4 meter@:159@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural64@} [159]
@{char@:Mensural 9/4 meter@:160@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural94@} [160]
@{char@:64th Mensural Flag (down)@:142@:2.67303@:0@:0.44553@:22.27501@:0@:0@:me
nsurald06@} [142]
@{char@:32th Mensural Flag (up)@:133@:0@:3.00003@:20@:0.50003@:3.00003@:0@:mens
uralu05@} [133]
@{char@:Mensural 3/4 meter@:161@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural34@} [161]
@{char@:Mensural 6/8 meter@:162@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural68@} [162]
@{char@:32th Mensural Flag (up)@:134@:0@:3.00003@:17.5@:0.50003@:3.00003@:0@:me
nsuralu15@} [134]
@{char@:accentus down@:169@:0.7875@:0.7875@:1.10252@:1.10252@:0.7875@:0@:daccen
tus@} [169]
@{char@:64th Mensural Flag (down)@:143@:2.67303@:0@:0.44553@:20.04752@:0@:0@:me
nsurald16@} [143]
@{char@:Mensural 9/8 meter@:163@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural98@} [163]
@{char@:half circle@:170@:0.98438@:0.98438@:0@:0.98438@:0.98438@:0@:usemicircul
us@} [170]
@{char@:half circle@:171@:0.98438@:0.98438@:0.98438@:0@:0.98438@:0@:dsemicircul
us@} [171]
@{char@:32th Mensural Flag (up)@:135@:0@:3.00003@:18.75@:0.50003@:3.00003@:0@:m
ensuralu25@} [135]
@{char@:Mensural 4/8 meter@:164@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural48@} [164]
@{char@:64th Mensural Flag (down)@:144@:2.67303@:0@:0.44553@:21.16125@:0@:0@:me
nsurald26@} [144]
@{puorg@:flags@}
)
@{char@:circle@:172@:0.98438@:0.98438@:0.98438@:0.98438@:0.98438@:0@:circulus@}
[172]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:Mensural 6/8 meter@:165@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural68alt@} [165]
@{char@:Mensural 2/4 meter@:166@:0@:9.4609@:4.73045@:4.73045@:9.4609@:0@:neomen
sural24@} [166]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al44@} [145]
@{group@:scripts@}
@{char@:ictus@:167@:0.26054@:0.26054@:0.98221@:0.98221@:0.26054@:0@:ictus@}
[167]
@{char@:accentus up@:168@:0.70157@:0.70157@:0.98221@:0.98221@:0.70157@:0@:uacce
ntus@} [168]
@{char@:32th Mensural Flag (down)@:136@:3.00003@:0@:0.50003@:20@:0@:0@:mensural
d05@} [136]
@{char@:augmentum@:173@:0.7875@:0.7875@:0.7875@:0.7875@:0.7875@:0@:augmentum@}
[173]
@{char@:Mensural 2/2 meter@:146@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural22@} [146]
@{char@:Mensural 3/2 meter@:147@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al32@} [147]
@{char@:32th Mensural Flag (down)@:137@:3.00003@:0@:0.50003@:17.5@:0@:0@:mensur
ald15@} [137]
@{char@:signum congruentiae up@:174@:3.96701@:3.96701@:1.36166@:14.50633@:3.967
01@:0@:usignumcongruentiae@} [174]
@{char@:Mensural 6/4 meter@:148@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al64@} [148]
@{char@:Mensural 9/4 meter@:149@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al94@} [149]
@{char@:signum congruentiae down@:175@:3.96701@:3.96701@:14.50633@:1.36166@:3.9
6701@:0@:dsignumcongruentiae@} [175]
@{char@:32th Mensural Flag (down)@:138@:3.00003@:0@:0.50003@:18.75@:0@:0@:mensu
rald25@} [138]
@{char@:Kievan end of piece (slash)@:176@:0@:10.07994@:13.11743@:18.38258@:10.0
7994@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:Mensural 3/4 meter@:150@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural34@} [150] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.91844@:0.95923@:0.95923@:1.91844@:0@:dotvatican
a@} [177]
@{char@:Kievan augmentation dot@:178@:0@:5.75534@:2.87767@:2.87767@:5.75534@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:Mensural 6/8 meter@:151@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural68@} [151]
(some charht values had to be adjusted by as much as 0.7875pt)
(some chardp values had to be adjusted by as much as 0.7875pt)
Font metrics written on parmesan26.tfm.
146 output files written: parmesan26.33 .. parmesan26.178
Transcript written on parmesan26.log.

@{char@:64th Mensural Flag (up)@:139@:0@:3.00003@:25@:0.50003@:3.00003@:0@:mens
uralu06@} [139]
@{char@:accentus down@:169@:0.70157@:0.70157@:0.98221@:0.98221@:0.70157@:0@:dac
centus@} [169]
@{char@:half circle@:170@:0.87695@:0.87695@:0@:0.87695@:0.87695@:0@:usemicircul
us@} [170]
@{char@:half circle@:171@:0.87695@:0.87695@:0.87695@:0@:0.87695@:0@:dsemicircul
us@} [171]
@{char@:64th Mensural Flag (up)@:140@:0@:3.00003@:22.5@:0.50003@:3.00003@:0@:me
nsuralu16@} [140]
@{char@:Mensural 9/8 meter@:152@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural98@} [152]
@{char@:Mensural 4/8 meter@:153@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al48@} [153]
@{char@:Mensural 6/8 meter@:154@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:mensur
al68alt@} [154]
@{char@:64th Mensural Flag (up)@:141@:0@:3.00003@:23.75@:0.50003@:3.00003@:0@:m
ensuralu26@} [141]
@{char@:Mensural 2/4 meter@:155@:0@:7.64519@:5.73389@:5.73389@:7.64519@:0@:mens
ural24@} [155]
@{char@:64th Mensural Flag (down)@:142@:3.00003@:0@:0.50003@:25@:0@:0@:mensural
d06@} [142]
@{char@:Mensural 4/4 meter@:156@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural44@} [156]
@{char@:Mensural 2/2 meter@:157@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural22@} [157]
@{char@:Mensural 3/2 meter@:158@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural32@} [158]
@{char@:64th Mensural Flag (down)@:143@:3.00003@:0@:0.50003@:22.5@:0@:0@:mensur
ald16@} [143]
@{char@:Mensural 6/4 meter@:159@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural64@} [159]
@{char@:Mensural 9/4 meter@:160@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural94@} [160]
@{char@:64th Mensural Flag (down)@:144@:3.00003@:0@:0.50003@:23.75@:0@:0@:mensu
rald26@} [144]
@{puorg@:flags@}
)
@{char@:Mensural 3/4 meter@:161@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural34@} [161]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-timesignature
s.mf
@{char@:circle@:172@:0.87695@:0.87695@:0.87695@:0.87695@:0.87695@:0@:circulus@}
[172]
@{char@:Mensural 6/8 meter@:162@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural68@} [162]
@{group@:timesig@}
@{char@:Mensural 4/4 meter@:145@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural44@} [145]
@{char@:Mensural 9/8 meter@:163@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural98@} [163]
@{char@:Mensural 2/2 meter@:146@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural22@} [146]
@{char@:Mensural 4/8 meter@:164@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural48@} [164]
@{char@:Mensural 3/2 meter@:147@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural32@} [147]
@{char@:Mensural 6/8 meter@:165@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural68alt@} [165]
@{char@:Mensural 6/4 meter@:148@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural64@} [148]
@{char@:augmentum@:173@:0.70157@:0.70157@:0.70157@:0.70157@:0.70157@:0@:augment
um@} [173]
@{char@:Mensural 9/4 meter@:149@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural94@} [149]
@{char@:Mensural 3/4 meter@:150@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural34@} [150]
@{char@:Mensural 2/4 meter@:166@:0@:7.64519@:3.8226@:3.8226@:7.64519@:0@:neomen
sural24@} [166]
@{puorg@:timesig@}
)
@{char@:signum congruentiae up@:174@:3.58788@:3.58788@:1.30269@:13.04877@:3.587
88@:0@:usignumcongruentiae@} [174]
@{char@:signum congruentiae down@:175@:3.58788@:3.58788@:13.04877@:1.30269@:3.5
8788@:0@:dsignumcongruentiae@} [175]
@{char@:Kievan end of piece (slash)@:176@:0@:8.97995@:11.72002@:16.3425@:8.9799
5@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
)
@{char@:Mensural 6/8 meter@:151@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural68@} [151] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.69714@:0.84857@:0.84857@:1.69714@:0@:dotvatican
a@} [177]
@{char@:Mensural 9/8 meter@:152@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural98@} [152]
@{char@:Kievan augmentation dot@:178@:0@:5.09143@:2.54572@:2.54572@:5.09143@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:Mensural 4/8 meter@:153@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural48@} [153]
(some charht values had to be adjusted by as much as 0.70157pt)
(some chardp values had to be adjusted by as much as 0.70157pt)
Font metrics written on parmesan23.tfm.
146 output files written: parmesan23.33 .. parmesan23.178
Transcript written on parmesan23.log.

@{char@:Mensural 6/8 meter@:154@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:mens
ural68alt@} [154]
@{group@:scripts@}
@{char@:ictus@:167@:0.24068@:0.24068@:0.77965@:0.77965@:0.24068@:0@:ictus@}
[167]
@{char@:accentus up@:168@:0.55688@:0.55688@:0.77965@:0.77965@:0.55688@:0@:uacce
ntus@} [168]
@{char@:Mensural 2/4 meter@:155@:0@:8.50009@:6.37508@:6.37508@:8.50009@:0@:mens
ural24@} [155]
@{char@:accentus down@:169@:0.55688@:0.55688@:0.77965@:0.77965@:0.55688@:0@:dac
centus@} [169]
@{char@:half circle@:170@:0.69609@:0.69609@:0@:0.69609@:0.69609@:0@:usemicircul
us@} [170]
@{char@:Mensural 4/4 meter@:156@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural44@} [156]
@{char@:half circle@:171@:0.69609@:0.69609@:0.69609@:0@:0.69609@:0@:dsemicircul
us@} [171]
@{char@:Mensural 2/2 meter@:157@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural22@} [157]
@{char@:circle@:172@:0.69609@:0.69609@:0.69609@:0.69609@:0.69609@:0@:circulus@}
[172]
@{char@:Mensural 3/2 meter@:158@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural32@} [158]
@{char@:augmentum@:173@:0.55688@:0.55688@:0.55688@:0.55688@:0.55688@:0@:augment
um@} [173]
@{char@:Mensural 6/4 meter@:159@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural64@} [159]
@{char@:signum congruentiae up@:174@:2.94952@:2.94952@:1.20335@:10.5947@:2.9495
2@:0@:usignumcongruentiae@} [174]
@{char@:Mensural 9/4 meter@:160@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural94@} [160]
@{char@:Mensural 3/4 meter@:161@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural34@} [161]
@{char@:signum congruentiae down@:175@:2.94952@:2.94952@:10.5947@:1.20335@:2.94
952@:0@:dsignumcongruentiae@} [175]
@{char@:Mensural 6/8 meter@:162@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural68@} [162]
@{char@:Kievan end of piece (slash)@:176@:0@:7.12798@:9.36726@:12.90775@:7.1279
8@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{char@:Mensural 9/8 meter@:163@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural98@} [163]
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.32455@:0.66228@:0.66228@:1.32455@:0@:dotvatican
a@} [177]
@{char@:Kievan augmentation dot@:178@:0@:3.97366@:1.98683@:1.98683@:3.97366@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
@{char@:Mensural 4/8 meter@:164@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural48@} [164]
(some charht values had to be adjusted by as much as 0.55687pt)
(some chardp values had to be adjusted by as much as 0.55687pt)
Font metrics written on parmesan18.tfm.
146 output files written: parmesan18.33 .. parmesan18.178
Transcript written on parmesan18.log.

@{char@:Mensural 6/8 meter@:165@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural68alt@} [165]
@{char@:Mensural 2/4 meter@:166@:0@:8.50009@:4.25005@:4.25005@:8.50009@:0@:neom
ensural24@} [166]
@{puorg@:timesig@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-scripts.mf
@{group@:scripts@}
@{char@:ictus@:167@:0.25003@:0.25003@:0.87502@:0.87502@:0.25003@:0@:ictus@}
[167]
@{char@:accentus up@:168@:0.625@:0.625@:0.87502@:0.87502@:0.625@:0@:uaccentus@}
[168]
@{char@:accentus down@:169@:0.625@:0.625@:0.87502@:0.87502@:0.625@:0@:daccentus
@} [169]
@{char@:half circle@:170@:0.78125@:0.78125@:0@:0.78125@:0.78125@:0@:usemicircul
us@} [170]
@{char@:half circle@:171@:0.78125@:0.78125@:0.78125@:0@:0.78125@:0@:dsemicircul
us@} [171]
@{char@:circle@:172@:0.78125@:0.78125@:0.78125@:0.78125@:0.78125@:0@:circulus@}
[172]
@{char@:augmentum@:173@:0.625@:0.625@:0.625@:0.625@:0.625@:0@:augmentum@} [173]
@{char@:signum congruentiae up@:174@:3.25008@:3.25008@:1.25012@:11.75017@:3.250
08@:0@:usignumcongruentiae@} [174]
@{char@:signum congruentiae down@:175@:3.25008@:3.25008@:11.75017@:1.25012@:3.2
5008@:0@:dsignumcongruentiae@} [175]
@{char@:Kievan end of piece (slash)@:176@:0@:7.99995@:10.47504@:14.52496@:7.999
95@:0@:barline.kievan@} [176]
@{puorg@:scripts@}
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-dots.mf
@{group@:dots@}
@{char@:duration dot@:177@:0@:1.49998@:0.75@:0.75@:1.49998@:0@:dotvaticana@}
[177]
@{char@:Kievan augmentation dot@:178@:0@:4.49995@:2.24998@:2.24998@:4.49995@:0@
:dotkievan@} [178]
@{puorg@:dots@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.625pt)
(some chardp values had to be adjusted by as much as 0.625pt)
Font metrics written on parmesan20.tfm.
146 output files written: parmesan20.33 .. parmesan20.178
Transcript written on parmesan20.log.

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan-noteheads14.pt1 parmesan-noteheads14.pfb"...

Invoking "fontforge -script parmesan-noteheads14.pe parmesan-noteheads14.pfb"...

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan-noteheads13.pt1 parmesan-noteheads13.pfb"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

Invoking "fontforge -script parmesan-noteheads13.pe parmesan-noteheads13.pfb"...
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.

*** Successfully generated parmesan-noteheads13.pfb! ***
( echo ./out/parmesan-noteheads16.pfb:  > out/parmesan-noteheads16.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan-noteheads16.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan-noteheads16 --fullname=parmesan-noteheads16 --name=parmesan-noteheads16 parmesan-noteheads16.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Failed to change locale.

*** Successfully generated parmesan-noteheads14.pfb! ***
( echo ./out/parmesan-noteheads18.pfb:  > out/parmesan-noteheads18.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan-noteheads18.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan-noteheads18 --fullname=parmesan-noteheads18 --name=parmesan-noteheads18 parmesan-noteheads18.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan-noteheads18.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads18.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:17.82@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:11.58304@:2.46817@:2.46817@:1
1.58304@:0@:uM3neomensural@} [33]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan-noteheads16.mf'"...

@{char@:Neo-mensural maxima notehead (down)@:34@:0@:11.58304@:2.46817@:2.46817@
:11.58304@:0@:dM3neomensural@} [34]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:8.91@:2.46817@:2.46817@:8.91@:
0@:uM2neomensural@} [35]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:8.91@:2.46817@:2.46817@:8.91
@:0@:dM2neomensural@} [36]
@{char@:Neo-mensural brevis notehead@:37@:0@:8.91@:2.46817@:2.46817@:8.91@:0@:s
M1neomensural@} [37]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:11.58304@:2.468
17@:2.46817@:11.58304@:0@:urM3neomensural@} [38]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:11.58304@:2.4
6817@:2.46817@:11.58304@:0@:drM3neomensural@} [39]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:8.91@:2.46817@:2
.46817@:8.91@:0@:urM2neomensural@} [40]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:8.91@:2.46817@
:2.46817@:8.91@:0@:drM2neomensural@} [41]

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads16.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:8.91@:2.46817@:2.46
817@:8.91@:0@:srM1neomensural@} [42]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:Neo-mensural semibrevis head@:43@:0@:4.455@:2.46817@:2.46817@:2.22751@:
1.21667@:s0neomensural@} [43]) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Neo-mensural minima head@:44@:0@:4.455@:2.46817@:2.46817@:2.22751@:1.21
667@:s1neomensural@} [44]
@{char@:Neo-mensural semiminima head@:45@:0@:4.455@:2.46817@:2.46817@:2.22751@:
1.21667@:s2neomensural@} [45])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:5.79152@:3.20863@:3.20863
@:5.79152@:0@:s0harmonic@} [46])
@{font@:GNU@:LilyPond@:parmesan@:15.87@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:5.79152@:3.20863@:3.2086
3@:5.79152@:0@:s2harmonic@} [47]
@{char@:Mensural maxima notehead (up)@:48@:0@:8.91@:2.46817@:2.46817@:8.91@:0@:
uM3mensural@} [48]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:10.31552@:2.21606@:2.21606@:1
0.31552@:0@:uM3neomensural@} [33]
@{char@:Mensural maxima notehead (down)@:49@:0@:8.91@:2.46817@:2.46817@:8.91@:0
@:dM3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:8.91@:2.46817@:2.46817@:8.9
1@:0@:sM3ligmensural@} [50]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:10.31552@:2.21606@:2.21606@
:10.31552@:0@:dM3neomensural@} [34]
@{char@:Mensural longa notehead (up)@:51@:0@:4.455@:2.46817@:2.46817@:4.455@:0@
:uM2mensural@} [51]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:7.935@:2.21606@:2.21606@:7.935
@:0@:uM2neomensural@} [35]
@{char@:Mensural longa notehead (down)@:52@:0@:4.455@:2.46817@:2.46817@:4.455@:
0@:dM2mensural@} [52]
@{char@:Mensural longa notehead (ligature)@:53@:0@:4.455@:2.46817@:2.46817@:4.4
55@:0@:sM2ligmensural@} [53]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:7.935@:2.21606@:2.21606@:7.9
35@:0@:dM2neomensural@} [36]
@{char@:Mensural brevis notehead@:54@:0@:4.455@:2.46817@:2.46817@:4.455@:0@:sM1
mensural@} [54]
@{char@:Neo-mensural brevis notehead@:37@:0@:7.935@:2.21606@:2.21606@:7.935@:0@
:sM1neomensural@} [37]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:8.91@:2.46817@:2.46
817@:8.91@:0@:urM3mensural@} [55]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:10.31552@:2.216
06@:2.21606@:10.31552@:0@:urM3neomensural@} [38]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:8.91@:2.46817@:2.
46817@:8.91@:0@:drM3mensural@} [56]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:8.91@:2.46817
@:2.46817@:8.91@:0@:srM3ligmensural@} [57]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:10.31552@:2.2
1606@:2.21606@:10.31552@:0@:drM3neomensural@} [39]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:4.455@:2.46817@:2.46
817@:4.455@:0@:urM2mensural@} [58]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:4.455@:2.46817@:2.
46817@:4.455@:0@:drM2mensural@} [59]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:7.935@:2.21606@:
2.21606@:7.935@:0@:urM2neomensural@} [40]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:4.455@:2.46817
@:2.46817@:4.455@:0@:srM2ligmensural@} [60]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:7.935@:2.21606
@:2.21606@:7.935@:0@:drM2neomensural@} [41]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:4.455@:2.46817@:2.46817
@:4.455@:0@:srM1mensural@} [61]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:7.935@:2.21606@:2.2
1606@:7.935@:0@:srM1neomensural@} [42]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:8.91@:2.46817@:2.468
17@:8.91@:0@:uM3semimensural@} [62]
@{char@:Neo-mensural semibrevis head@:43@:0@:3.9675@:2.21606@:2.21606@:1.98375@
:1.00806@:s0neomensural@} [43]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:8.91@:2.46817@:2.4
6817@:8.91@:0@:dM3semimensural@} [63]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:8.91@:2.46817@
:2.46817@:8.91@:0@:sM3semiligmensural@} [64]
@{char@:Neo-mensural minima head@:44@:0@:3.9675@:2.21606@:2.21606@:1.98375@:1.0
0806@:s1neomensural@} [44]
@{char@:Neo-mensural semiminima head@:45@:0@:3.9675@:2.21606@:2.21606@:1.98375@
:1.00806@:s2neomensural@} [45]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:4.455@:2.46817@:2.468
17@:4.455@:0@:uM2semimensural@} [65]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:4.455@:2.46817@:2.4
6817@:4.455@:0@:dM2semimensural@} [66]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:5.15776@:2.88089@:2.88089
@:5.15776@:0@:s0harmonic@} [46]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:5.15776@:2.88089@:2.8808
9@:5.15776@:0@:s2harmonic@} [47]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:4.455@:2.46817@
:2.46817@:4.455@:0@:sM2semiligmensural@} [67]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:4.455@:2.46817@:2.46817@:
4.455@:0@:sM1semimensural@} [68]
@{char@:Mensural maxima notehead (up)@:48@:0@:7.935@:2.21606@:2.21606@:7.935@:0
@:uM3mensural@} [48]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:8.91@:
2.46817@:2.46817@:8.91@:0@:urM3semimensural@} [69]
@{char@:Mensural maxima notehead (down)@:49@:0@:7.935@:2.21606@:2.21606@:7.935@
:0@:dM3mensural@} [49]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:8.91
@:2.46817@:2.46817@:8.91@:0@:drM3semimensural@} [70]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:7.935@:2.21606@:2.21606@:7.
935@:0@:sM3ligmensural@} [50]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
8.91@:2.46817@:2.46817@:8.91@:0@:srM3semiligmensural@} [71]
@{char@:Mensural longa notehead (up)@:51@:0@:3.9675@:2.21606@:2.21606@:3.9675@:
0@:uM2mensural@} [51]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:4.455@:
2.46817@:2.46817@:4.455@:0@:urM2semimensural@} [72]
@{char@:Mensural longa notehead (down)@:52@:0@:3.9675@:2.21606@:2.21606@:3.9675
@:0@:dM2mensural@} [52]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:4.455
@:2.46817@:2.46817@:4.455@:0@:drM2semimensural@} [73]
@{char@:Mensural longa notehead (ligature)@:53@:0@:3.9675@:2.21606@:2.21606@:3.
9675@:0@:sM2ligmensural@} [53]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:4
.455@:2.46817@:2.46817@:4.455@:0@:srM2semiligmensural@} [74]
@{char@:Mensural brevis notehead@:54@:0@:3.9675@:2.21606@:2.21606@:3.9675@:0@:s
M1mensural@} [54]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:4.455@:2.4
6817@:2.46817@:4.455@:0@:srM1semimensural@} [75]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:7.935@:2.21606@:2.2
1606@:7.935@:0@:urM3mensural@} [55]
@{char@:Black mensural maxima notehead (up)@:76@:0@:8.91@:2.46817@:2.46817@:8.9
1@:0@:uM3blackmensural@} [76]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:7.935@:2.21606@:2
.21606@:7.935@:0@:drM3mensural@} [56]
@{char@:Black mensural maxima notehead (down)@:77@:0@:8.91@:2.46817@:2.46817@:8
.91@:0@:dM3blackmensural@} [77]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:7.935@:2.2160
6@:2.21606@:7.935@:0@:srM3ligmensural@} [57]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:8.91@:2.46817@:2.4681
7@:8.91@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:4.455@:2.46817@:2.46817@:4.4
55@:0@:uM2blackmensural@} [79]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:3.9675@:2.21606@:2.2
1606@:3.9675@:0@:urM2mensural@} [58]
@{char@:Black mensural longa notehead (down)@:80@:0@:4.455@:2.46817@:2.46817@:4
.455@:0@:dM2blackmensural@} [80]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:3.9675@:2.21606@:2
.21606@:3.9675@:0@:drM2mensural@} [59]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:4.455@:2.46817@:2.4681
7@:4.455@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:4.455@:2.46817@:2.46817@:4.455@:
0@:sM1blackmensural@} [82]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:3.9675@:2.2160
6@:2.21606@:3.9675@:0@:srM2ligmensural@} [60]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:3.9675@:2.21606@:2.2160
6@:3.9675@:0@:srM1mensural@} [61]
@{char@:Mensural semibrevis head@:83@:0@:2.57208@:2.22751@:2.22751@:1.28604@:1.
26483@:s0mensural@} [83]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:7.935@:2.21606@:2.21
606@:7.935@:0@:uM3semimensural@} [62]
@{char@:Mensural minima head@:84@:0@:2.57208@:2.22751@:2.22751@:1.28604@:1.2648
3@:s1mensural@} [84]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:7.935@:2.21606@:2.
21606@:7.935@:0@:dM3semimensural@} [63]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:7.935@:2.21606
@:2.21606@:7.935@:0@:sM3semiligmensural@} [64]
@{char@:Mensural semiminima head@:85@:0@:2.57208@:2.22751@:2.22751@:1.28604@:1.
26483@:s2mensural@} [85]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:3.9675@:2.21606@:2.21
606@:3.9675@:0@:uM2semimensural@} [65]
@{char@:Black mensural semibrevis head@:86@:0@:2.57208@:2.22751@:2.22751@:1.286
04@:1.26483@:s0blackmensural@} [86]
@{char@:Petrucci semibrevis head@:87@:0@:4.97581@:3.45543@:3.45543@:2.48792@:2.
20393@:s0petrucci@} [87]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:3.9675@:2.21606@:2.
21606@:3.9675@:0@:dM2semimensural@} [66]
@{char@:Petrucci minima head@:88@:0@:4.97581@:3.45543@:3.45543@:2.48792@:2.2039
3@:s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:4.97581@:3.45543@:3.45543@:2.48792@:2.
20393@:s2petrucci@} [89]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:3.9675@:2.21606
@:2.21606@:3.9675@:0@:sM2semiligmensural@} [67]
@{char@:Petrucci colored semibrevis head@:90@:0@:4.97581@:3.45543@:3.45543@:2.4
8792@:2.20393@:s0blackpetrucci@} [90]
@{char@:Petrucci colored minima head@:91@:0@:4.97581@:3.45543@:3.45543@:2.48792
@:2.20393@:s1blackpetrucci@} [91]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:3.9675@:2.21606@:2.21606@
:3.9675@:0@:sM1semimensural@} [68]
@{char@:Petrucci colored semiminima head@:92@:0@:4.97581@:3.45543@:3.45543@:2.4
8792@:2.20393@:s2blackpetrucci@} [92]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:7.935@
:2.21606@:2.21606@:7.935@:0@:urM3semimensural@} [69]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:7.93
5@:2.21606@:2.21606@:7.935@:0@:drM3semimensural@} [70]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
7.935@:2.21606@:2.21606@:7.935@:0@:srM3semiligmensural@} [71]
@{char@:Ed. Vat. punctum@:93@:0@:2.48982@:1.46243@:1.58583@:2.48982@:0@:svatica
na.punctum@} [93]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:3.9675@
:2.21606@:2.21606@:3.9675@:0@:urM2semimensural@} [72]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:3.967
5@:2.21606@:2.21606@:3.9675@:0@:drM2semimensural@} [73]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.48982@:1.46243@:1.58583@:2.48982@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:3
.9675@:2.21606@:2.21606@:3.9675@:0@:srM2semiligmensural@} [74]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:3.9675@:2.
21606@:2.21606@:3.9675@:0@:srM1semimensural@} [75]
@{char@:Black mensural maxima notehead (up)@:76@:0@:7.935@:2.21606@:2.21606@:7.
935@:0@:uM3blackmensural@} [76]
@{char@:Ed. Vat. linea punctum@:95@:0@:3.96425@:1.72772@:1.72772@:3.96425@:0@:s
vaticana.linea.punctum@} [95]
@{char@:Black mensural maxima notehead (down)@:77@:0@:7.935@:2.21606@:2.21606@:
7.935@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:7.935@:2.21606@:2.216
06@:7.935@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:3.9675@:2.21606@:2.21606@:3.
9675@:0@:uM2blackmensural@} [79]
@{char@:Black mensural longa notehead (down)@:80@:0@:3.9675@:2.21606@:2.21606@:
3.9675@:0@:dM2blackmensural@} [80]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:3.9675@:2.21606@:2.216
06@:3.9675@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:3.9675@:2.21606@:2.21606@:3.9675
@:0@:sM1blackmensural@} [82]
@{char@:Mensural semibrevis head@:83@:0@:2.29062@:1.98375@:1.98375@:1.14531@:1.
05452@:s0mensural@} [83]
@{char@:Mensural minima head@:84@:0@:2.29062@:1.98375@:1.98375@:1.14531@:1.0545
2@:s1mensural@} [84]
@{char@:Mensural semiminima head@:85@:0@:2.29062@:1.98375@:1.98375@:1.14531@:1.
05452@:s2mensural@} [85]
@{char@:Black mensural semibrevis head@:86@:0@:2.29062@:1.98375@:1.98375@:1.145
31@:1.05452@:s0blackmensural@} [86]
@{char@:Petrucci semibrevis head@:87@:0@:4.46756@:3.10246@:3.10246@:2.23378@:1.
89445@:s0petrucci@} [87]
@{char@:Petrucci minima head@:88@:0@:4.46756@:3.10246@:3.10246@:2.23378@:1.8944
5@:s1petrucci@} [88]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:3.96425@:1.72772@:1.72772@:3.96425
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Petrucci semiminima head@:89@:0@:4.46756@:3.10246@:3.10246@:2.23378@:1.
89445@:s2petrucci@} [89]
@{char@:Petrucci colored semibrevis head@:90@:0@:4.46756@:3.10246@:3.10246@:2.2
3378@:1.89445@:s0blackpetrucci@} [90]
@{char@:Petrucci colored minima head@:91@:0@:4.46756@:3.10246@:3.10246@:2.23378
@:1.89445@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:4.46756@:3.10246@:3.10246@:2.2
3378@:1.89445@:s2blackpetrucci@} [92]
@{char@:Ed. Vat. punctum@:93@:0@:2.2355@:1.32927@:1.44008@:2.2355@:0@:svaticana
.punctum@} [93]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.76518@:1.97455@:1.97455@:1.3826@:1.01187@
:svaticana.inclinatum@} [97]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.48982@:1.43773@:1.41304@:2.48982@:
0@:svaticana.lpes@} [98]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.48982@:1.98073@:0.87004@:2.489
82@:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.48982@:1.41306@:1.43771@:2.48982@
:0@:svaticana.upes@} [100]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.48982@:1.01814@:1.83263@:2.48
982@:0@:svaticana.vupes@} [101]
@{char@:Ed. Vat. plica@:102@:0@:1.49391@:0.97375@:1.04778@:1.49391@:0@:svatican
a.plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:1.49391@:1.33658@:0.89226@:1.49391@:0@:svat
icana.vplica@} [103]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.2355@:1.32927@:1.44008@:2.2355@:0@:sva
ticana.punctum.cavum@} [94]
@{char@:Ed. Vat. linea punctum@:95@:0@:3.5788@:1.55124@:1.55124@:3.5788@:0@:sva
ticana.linea.punctum@} [95]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:3.5788@:1.55124@:1.55124@:3.5788@:
0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.48274@:1.77286@:1.77286@:1.24138@:0.84363
@:svaticana.inclinatum@} [97]
@{char@:Ed. Vat. epiphonus@:104@:0@:2.48982@:1.68457@:1.70924@:2.48982@:0@:svat
icana.epiphonus@} [104]
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.48982@:2.22757@:1.16624@:2.48982@:0@:
svaticana.vepiphonus@} [105]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.49391@:1.04779@:0.97374@:1.49391@:0@:sva
ticana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.49391@:1.54388@:0.68495@:1.49391@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.2355@:1.30708@:1.28494@:2.2355@:0@
:svaticana.lpes@} [98]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.2355@:1.79462@:0.79741@:2.2355
@:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.2355@:1.28494@:1.30708@:2.2355@:0
@:svaticana.upes@} [100]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.2355@:0.93036@:1.66167@:2.235
5@:0@:svaticana.vupes@} [101]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.48982@:1.70926@:1.68456@:2.48982@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:Ed. Vat. plica@:102@:0@:1.34132@:0.8905@:0.95699@:1.34132@:0@:svaticana
.plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:1.34132@:1.21626@:0.81735@:1.34132@:0@:svat
icana.vplica@} [103]
@{char@:Ed. Vat. epiphonus@:104@:0@:2.2355@:1.52873@:1.55089@:2.2355@:0@:svatic
ana.epiphonus@} [104]
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.2355@:2.01627@:1.06335@:2.2355@:0@:sv
aticana.vepiphonus@} [105]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.34132@:0.95699@:0.8905@:1.34132@:0@:svat
icana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.34132@:1.4024@:0.63121@:1.34132@:0@:
svaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.2355@:1.55089@:1.52873@:2.2355@:0@
:svaticana.inner.cephalicus@} [108]
@{char@:Ed. Vat. cephalicus@:109@:0@:2.2355@:5.10767@:1.52873@:2.2355@:0@:svati
cana.cephalicus@} [109]
@{char@:Ed. Vat. quilisma@:110@:0@:2.2355@:1.24098@:1.59557@:2.2355@:0@:svatica
na.quilisma@} [110]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.55171@:1.10803@:1.10803@:
0.77586@:0.1788@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.2355@:1.37358@:2.41515@:2.
2355@:0@:ssolesmes.auct.asc@} [112]
@{char@:Ed. Vat. cephalicus@:109@:0@:2.48982@:5.67068@:1.68456@:2.48982@:0@:sva
ticana.cephalicus@} [109]
@{char@:Ed. Vat. quilisma@:110@:0@:2.48982@:1.38217@:1.77708@:2.48982@:0@:svati
cana.quilisma@} [110]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.72824@:1.23409@:1.23409@:
0.86412@:0.27141@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.48982@:1.5118@:2.67181@:2.
48982@:0@:ssolesmes.auct.asc@} [112]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.48982@:2.67183@:1.51178@:
2.48982@:0@:ssolesmes.auct.desc@} [113]
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.76518@:1.97455@:1.97455@:1.382
6@:1.01187@:ssolesmes.incl.auctum@} [114]
@{char@:Solesmes stropha@:115@:0@:2.76518@:1.97455@:1.97455@:1.3826@:1.01187@:s
solesmes.stropha@} [115]
@{char@:Solesmes stropha aucta@:116@:0@:2.76518@:1.97455@:1.97455@:1.3826@:1.01
187@:ssolesmes.stropha.aucta@} [116]
@{char@:Solesmes oriscus@:117@:0@:2.9641@:1.48091@:1.48091@:2.9641@:0@:ssolesme
s.oriscus@} [117]
@{char@:Ed. Med. inclinatum@:118@:0@:3.74332@:2.673@:2.673@:1.87166@:1.71033@:s
medicaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:3.56395@:2.22751@:2.22751@:3.56395@:0@:smedic
aea.punctum@} [119]
@{char@:Ed. Med. reverse virga@:120@:0@:3.56395@:2.22751@:11.13751@:3.56395@:0@
:smedicaea.rvirga@} [120]
@{char@:Ed. Med. virga@:121@:0@:3.56395@:11.13751@:2.22751@:3.56395@:0@:smedica
ea.virga@} [121]
@{char@:Hufnagel punctum@:122@:0@:6.3624@:2.22751@:2.22751@:3.1812@:1.26483@:sh
ufnagel.punctum@} [122]
@{char@:Hufnagel virga@:123@:0@:6.3624@:6.68251@:2.22751@:6.3624@:0@:shufnagel.
virga@} [123]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.2355@:2.41515@:1.37358@:2
.2355@:0@:ssolesmes.auct.desc@} [113]
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.48274@:1.77286@:1.77286@:1.241
38@:0.84363@:ssolesmes.incl.auctum@} [114]
@{char@:Solesmes stropha@:115@:0@:2.48274@:1.77286@:1.77286@:1.24138@:0.84363@:
ssolesmes.stropha@} [115]
@{char@:Solesmes stropha aucta@:116@:0@:2.48274@:1.77286@:1.77286@:1.24138@:0.8
4363@:ssolesmes.stropha.aucta@} [116]
@{char@:Solesmes oriscus@:117@:0@:2.66133@:1.32965@:1.32965@:2.66133@:0@:ssoles
mes.oriscus@} [117]
@{char@:Ed. Med. inclinatum@:118@:0@:3.3337@:2.3805@:2.3805@:1.66685@:1.45126@:
smedicaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:3.17395@:1.98375@:1.98375@:3.17395@:0@:smedic
aea.punctum@} [119]
@{char@:Ed. Med. reverse virga@:120@:0@:3.17395@:1.98375@:9.91875@:3.17395@:0@:
smedicaea.rvirga@} [120]
@{char@:Ed. Med. virga@:121@:0@:3.17395@:9.91875@:1.98375@:3.17395@:0@:smedicae
a.virga@} [121]
@{char@:Hufnagel pes lower punctum@:124@:0@:8.91@:1.55925@:1.55925@:8.91@:0@:sh
ufnagel.lpes@} [124]
@{char@:Hufnagel punctum@:122@:0@:5.66617@:1.98375@:1.98375@:2.83308@:1.05452@:
shufnagel.punctum@} [122]
@{char@:Hufnagel virga@:123@:0@:5.66617@:5.95125@:1.98375@:5.66617@:0@:shufnage
l.virga@} [123]
@{char@:Hufnagel pes lower punctum@:124@:0@:7.935@:1.38863@:1.38863@:7.935@:0@:
shufnagel.lpes@} [124]
@{char@:Kievan final note@:125@:0@:5.71983@:6.68251@:6.68251@:5.71983@:0@:sM2ki
evan@} [125]
@{char@:Kievan final note@:125@:0@:5.02202@:5.95125@:5.95125@:5.02202@:0@:sM2ki
evan@} [125]
@{char@:Kievan recitative mark@:126@:0@:21.44537@:3.50288@:3.50288@:21.44537@:0
@:sM1kievan@} [126]
@{char@:Kievan whole note@:127@:0@:3.9675@:3.9675@:3.9675@:3.9675@:0@:s0kievan@
} [127]
@{char@:Kievan quarter note down@:128@:0@:4.04686@:9.91875@:1.58698@:4.04686@:0
@:d2kievan@} [128]
@{char@:Kievan recitative mark@:126@:0@:23.59607@:3.97366@:3.97366@:23.59607@:0
@:sM1kievan@} [126]
@{char@:Kievan whole note@:127@:0@:4.455@:4.455@:4.455@:4.455@:0@:s0kievan@}
[127]
@{char@:Kievan quarter note down@:128@:0@:4.54413@:11.13751@:1.78197@:4.54413@:
0@:d2kievan@} [128]
@{char@:Kievan quarter note up@:129@:0@:4.54413@:1.78197@:11.58304@:4.54413@:0@
:u2kievan@} [129]
@{char@:Kievan quarter note up@:129@:0@:4.04686@:1.58698@:10.31552@:4.04686@:0@
:u2kievan@} [129]
@{char@:Kievan half note (line position)@:130@:0@:4.20554@:6.34802@:3.9675@:4.2
0554@:0@:s1kievan@} [130]
@{char@:Kievan half note (space position)@:131@:0@:4.36427@:3.9675@:5.55447@:4.
36427@:0@:sr1kievan@} [131]
@{char@:Kievan eighth note (down)@:132@:0@:4.95938@:11.9025@:1.98375@:4.95938@:
0@:d3kievan@} [132]
@{char@:Kievan half note (line position)@:130@:0@:4.72229@:7.12804@:4.455@:4.72
229@:0@:s1kievan@} [130]
@{char@:Kievan eighth note (up)@:133@:0@:3.9675@:1.58698@:11.50572@:3.9675@:0@:
u3kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.10876pt)
(some chardp values had to be adjusted by as much as 0.10876pt)
Font metrics written on parmesan-noteheads16.tfm.
101 output files written: parmesan-noteheads16.33 .. parmesan-noteheads16.133
Transcript written on parmesan-noteheads16.log.

mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan-noteheads16
    font_weight:               Medium
    font_identifier:           parmesan15.87
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -63
    font_underline_thickness:  32
    font_name:                 parmesan-noteheads16
    font_unique_id:            4717960
    font_size:                 15.8107098381071 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=63.2482671707624; bpppix 0.02; nonstopmode; input parmesan-noteheads16.mf'"...

@{char@:Kievan half note (space position)@:131@:0@:4.90053@:4.455@:6.23697@:4.9
0053@:0@:sr1kievan@} [131]
@{char@:Kievan eighth note (down)@:132@:0@:5.56876@:13.365@:2.22751@:5.56876@:0
@:d3kievan@} [132]
@{char@:Kievan eighth note (up)@:133@:0@:4.455@:1.78197@:12.91948@:4.455@:0@:u3
kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.12341pt)
(some chardp values had to be adjusted by as much as 0.1234pt)
Font metrics written on parmesan-noteheads18.tfm.
101 output files written: parmesan-noteheads18.33 .. parmesan-noteheads18.133
Transcript written on parmesan-noteheads18.log.
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads16.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan-noteheads18
    font_weight:               Medium
    font_identifier:           parmesan17.82
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -56
    font_underline_thickness:  28
    font_name:                 parmesan-noteheads18
    font_unique_id:            4584524
    font_size:                 17.7534246575342 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=56.3271604938272; bpppix 0.02; nonstopmode; input parmesan-noteheads18.mf'"...
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:15.87@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:10.31552@:2.21606@:2.21606@:1
0.31552@:0@:uM3neomensural@} [33]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:10.31552@:2.21606@:2.21606@
:10.31552@:0@:dM3neomensural@} [34]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:7.935@:2.21606@:2.21606@:7.935
@:0@:uM2neomensural@} [35]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Neo-mensural longa notehead (down)@:36@:0@:7.935@:2.21606@:2.21606@:7.9
35@:0@:dM2neomensural@} [36])

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads18.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Neo-mensural brevis notehead@:37@:0@:7.935@:2.21606@:2.21606@:7.935@:0@
:sM1neomensural@} [37]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:10.31552@:2.216
06@:2.21606@:10.31552@:0@:urM3neomensural@} [38]) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf)
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:10.31552@:2.2
1606@:2.21606@:10.31552@:0@:drM3neomensural@} [39]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:17.82@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:7.935@:2.21606@:
2.21606@:7.935@:0@:urM2neomensural@} [40]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:7.935@:2.21606
@:2.21606@:7.935@:0@:drM2neomensural@} [41]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:11.58304@:2.46817@:2.46817@:1
1.58304@:0@:uM3neomensural@} [33]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:7.935@:2.21606@:2.2
1606@:7.935@:0@:srM1neomensural@} [42]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:11.58304@:2.46817@:2.46817@
:11.58304@:0@:dM3neomensural@} [34]
@{char@:Neo-mensural semibrevis head@:43@:0@:3.9675@:2.21606@:2.21606@:1.98375@
:1.00806@:s0neomensural@} [43]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:8.91@:2.46817@:2.46817@:8.91@:
0@:uM2neomensural@} [35]
@{char@:Neo-mensural minima head@:44@:0@:3.9675@:2.21606@:2.21606@:1.98375@:1.0
0806@:s1neomensural@} [44]
@{char@:Neo-mensural semiminima head@:45@:0@:3.9675@:2.21606@:2.21606@:1.98375@
:1.00806@:s2neomensural@} [45]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:8.91@:2.46817@:2.46817@:8.91
@:0@:dM2neomensural@} [36]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:5.15776@:2.88089@:2.88089
@:5.15776@:0@:s0harmonic@} [46]
@{char@:Neo-mensural brevis notehead@:37@:0@:8.91@:2.46817@:2.46817@:8.91@:0@:s
M1neomensural@} [37]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:5.15776@:2.88089@:2.8808
9@:5.15776@:0@:s2harmonic@} [47]
@{char@:Mensural maxima notehead (up)@:48@:0@:7.935@:2.21606@:2.21606@:7.935@:0
@:uM3mensural@} [48]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:11.58304@:2.468
17@:2.46817@:11.58304@:0@:urM3neomensural@} [38]
@{char@:Mensural maxima notehead (down)@:49@:0@:7.935@:2.21606@:2.21606@:7.935@
:0@:dM3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:7.935@:2.21606@:2.21606@:7.
935@:0@:sM3ligmensural@} [50]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:11.58304@:2.4
6817@:2.46817@:11.58304@:0@:drM3neomensural@} [39]
@{char@:Mensural longa notehead (up)@:51@:0@:3.9675@:2.21606@:2.21606@:3.9675@:
0@:uM2mensural@} [51]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:8.91@:2.46817@:2
.46817@:8.91@:0@:urM2neomensural@} [40]
@{char@:Mensural longa notehead (down)@:52@:0@:3.9675@:2.21606@:2.21606@:3.9675
@:0@:dM2mensural@} [52]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:8.91@:2.46817@
:2.46817@:8.91@:0@:drM2neomensural@} [41]
@{char@:Mensural longa notehead (ligature)@:53@:0@:3.9675@:2.21606@:2.21606@:3.
9675@:0@:sM2ligmensural@} [53]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:8.91@:2.46817@:2.46
817@:8.91@:0@:srM1neomensural@} [42]
@{char@:Mensural brevis notehead@:54@:0@:3.9675@:2.21606@:2.21606@:3.9675@:0@:s
M1mensural@} [54]
@{char@:Neo-mensural semibrevis head@:43@:0@:4.455@:2.46817@:2.46817@:2.22751@:
1.21667@:s0neomensural@} [43]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:7.935@:2.21606@:2.2
1606@:7.935@:0@:urM3mensural@} [55]
@{char@:Neo-mensural minima head@:44@:0@:4.455@:2.46817@:2.46817@:2.22751@:1.21
667@:s1neomensural@} [44]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:7.935@:2.21606@:2
.21606@:7.935@:0@:drM3mensural@} [56]
@{char@:Neo-mensural semiminima head@:45@:0@:4.455@:2.46817@:2.46817@:2.22751@:
1.21667@:s2neomensural@} [45]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:7.935@:2.2160
6@:2.21606@:7.935@:0@:srM3ligmensural@} [57]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:5.79152@:3.20863@:3.20863
@:5.79152@:0@:s0harmonic@} [46]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:3.9675@:2.21606@:2.2
1606@:3.9675@:0@:urM2mensural@} [58]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:5.79152@:3.20863@:3.2086
3@:5.79152@:0@:s2harmonic@} [47]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:3.9675@:2.21606@:2
.21606@:3.9675@:0@:drM2mensural@} [59]
@{char@:Mensural maxima notehead (up)@:48@:0@:8.91@:2.46817@:2.46817@:8.91@:0@:
uM3mensural@} [48]
@{char@:Mensural maxima notehead (down)@:49@:0@:8.91@:2.46817@:2.46817@:8.91@:0
@:dM3mensural@} [49]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:3.9675@:2.2160
6@:2.21606@:3.9675@:0@:srM2ligmensural@} [60]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:8.91@:2.46817@:2.46817@:8.9
1@:0@:sM3ligmensural@} [50]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:3.9675@:2.21606@:2.2160
6@:3.9675@:0@:srM1mensural@} [61]
@{char@:Mensural longa notehead (up)@:51@:0@:4.455@:2.46817@:2.46817@:4.455@:0@
:uM2mensural@} [51]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:7.935@:2.21606@:2.21
606@:7.935@:0@:uM3semimensural@} [62]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:7.935@:2.21606@:2.
21606@:7.935@:0@:dM3semimensural@} [63]
@{char@:Mensural longa notehead (down)@:52@:0@:4.455@:2.46817@:2.46817@:4.455@:
0@:dM2mensural@} [52]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:7.935@:2.21606
@:2.21606@:7.935@:0@:sM3semiligmensural@} [64]
@{char@:Mensural longa notehead (ligature)@:53@:0@:4.455@:2.46817@:2.46817@:4.4
55@:0@:sM2ligmensural@} [53]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:3.9675@:2.21606@:2.21
606@:3.9675@:0@:uM2semimensural@} [65]
@{char@:Mensural brevis notehead@:54@:0@:4.455@:2.46817@:2.46817@:4.455@:0@:sM1
mensural@} [54]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:8.91@:2.46817@:2.46
817@:8.91@:0@:urM3mensural@} [55]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:3.9675@:2.21606@:2.
21606@:3.9675@:0@:dM2semimensural@} [66]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:8.91@:2.46817@:2.
46817@:8.91@:0@:drM3mensural@} [56]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:3.9675@:2.21606
@:2.21606@:3.9675@:0@:sM2semiligmensural@} [67]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:8.91@:2.46817
@:2.46817@:8.91@:0@:srM3ligmensural@} [57]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:3.9675@:2.21606@:2.21606@
:3.9675@:0@:sM1semimensural@} [68]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:4.455@:2.46817@:2.46
817@:4.455@:0@:urM2mensural@} [58]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:7.935@
:2.21606@:2.21606@:7.935@:0@:urM3semimensural@} [69]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:7.93
5@:2.21606@:2.21606@:7.935@:0@:drM3semimensural@} [70]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:4.455@:2.46817@:2.
46817@:4.455@:0@:drM2mensural@} [59]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:4.455@:2.46817
@:2.46817@:4.455@:0@:srM2ligmensural@} [60]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:4.455@:2.46817@:2.46817
@:4.455@:0@:srM1mensural@} [61]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:8.91@:2.46817@:2.468
17@:8.91@:0@:uM3semimensural@} [62]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:8.91@:2.46817@:2.4
6817@:8.91@:0@:dM3semimensural@} [63]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:8.91@:2.46817@
:2.46817@:8.91@:0@:sM3semiligmensural@} [64]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:4.455@:2.46817@:2.468
17@:4.455@:0@:uM2semimensural@} [65]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:4.455@:2.46817@:2.4
6817@:4.455@:0@:dM2semimensural@} [66]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:4.455@:2.46817@
:2.46817@:4.455@:0@:sM2semiligmensural@} [67]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
7.935@:2.21606@:2.21606@:7.935@:0@:srM3semiligmensural@} [71]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:4.455@:2.46817@:2.46817@:
4.455@:0@:sM1semimensural@} [68]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:3.9675@
:2.21606@:2.21606@:3.9675@:0@:urM2semimensural@} [72]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:3.967
5@:2.21606@:2.21606@:3.9675@:0@:drM2semimensural@} [73]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:3
.9675@:2.21606@:2.21606@:3.9675@:0@:srM2semiligmensural@} [74]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:3.9675@:2.
21606@:2.21606@:3.9675@:0@:srM1semimensural@} [75]
@{char@:Black mensural maxima notehead (up)@:76@:0@:7.935@:2.21606@:2.21606@:7.
935@:0@:uM3blackmensural@} [76]
@{char@:Black mensural maxima notehead (down)@:77@:0@:7.935@:2.21606@:2.21606@:
7.935@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:7.935@:2.21606@:2.216
06@:7.935@:0@:sM3blackligmensural@} [78]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:8.91@:
2.46817@:2.46817@:8.91@:0@:urM3semimensural@} [69]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:8.91
@:2.46817@:2.46817@:8.91@:0@:drM3semimensural@} [70]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
8.91@:2.46817@:2.46817@:8.91@:0@:srM3semiligmensural@} [71]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:4.455@:
2.46817@:2.46817@:4.455@:0@:urM2semimensural@} [72]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:4.455
@:2.46817@:2.46817@:4.455@:0@:drM2semimensural@} [73]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:4
.455@:2.46817@:2.46817@:4.455@:0@:srM2semiligmensural@} [74]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:4.455@:2.4
6817@:2.46817@:4.455@:0@:srM1semimensural@} [75]
@{char@:Black mensural maxima notehead (up)@:76@:0@:8.91@:2.46817@:2.46817@:8.9
1@:0@:uM3blackmensural@} [76]
@{char@:Black mensural maxima notehead (down)@:77@:0@:8.91@:2.46817@:2.46817@:8
.91@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:8.91@:2.46817@:2.4681
7@:8.91@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:3.9675@:2.21606@:2.21606@:3.
9675@:0@:uM2blackmensural@} [79]
@{char@:Black mensural longa notehead (down)@:80@:0@:3.9675@:2.21606@:2.21606@:
3.9675@:0@:dM2blackmensural@} [80]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:3.9675@:2.21606@:2.216
06@:3.9675@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:3.9675@:2.21606@:2.21606@:3.9675
@:0@:sM1blackmensural@} [82]
@{char@:Mensural semibrevis head@:83@:0@:2.29062@:1.98375@:1.98375@:1.14531@:1.
05452@:s0mensural@} [83]
@{char@:Mensural minima head@:84@:0@:2.29062@:1.98375@:1.98375@:1.14531@:1.0545
2@:s1mensural@} [84]
@{char@:Mensural semiminima head@:85@:0@:2.29062@:1.98375@:1.98375@:1.14531@:1.
05452@:s2mensural@} [85]
@{char@:Black mensural semibrevis head@:86@:0@:2.29062@:1.98375@:1.98375@:1.145
31@:1.05452@:s0blackmensural@} [86]
@{char@:Black mensural longa notehead (up)@:79@:0@:4.455@:2.46817@:2.46817@:4.4
55@:0@:uM2blackmensural@} [79]
@{char@:Petrucci semibrevis head@:87@:0@:4.46756@:3.10246@:3.10246@:2.23378@:1.
89445@:s0petrucci@} [87]
@{char@:Black mensural longa notehead (down)@:80@:0@:4.455@:2.46817@:2.46817@:4
.455@:0@:dM2blackmensural@} [80]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:4.455@:2.46817@:2.4681
7@:4.455@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:4.455@:2.46817@:2.46817@:4.455@:
0@:sM1blackmensural@} [82]
@{char@:Mensural semibrevis head@:83@:0@:2.57208@:2.22751@:2.22751@:1.28604@:1.
26483@:s0mensural@} [83]
@{char@:Mensural minima head@:84@:0@:2.57208@:2.22751@:2.22751@:1.28604@:1.2648
3@:s1mensural@} [84]
@{char@:Mensural semiminima head@:85@:0@:2.57208@:2.22751@:2.22751@:1.28604@:1.
26483@:s2mensural@} [85]
@{char@:Black mensural semibrevis head@:86@:0@:2.57208@:2.22751@:2.22751@:1.286
04@:1.26483@:s0blackmensural@} [86]
@{char@:Petrucci semibrevis head@:87@:0@:4.97581@:3.45543@:3.45543@:2.48792@:2.
20393@:s0petrucci@} [87]
@{char@:Petrucci minima head@:88@:0@:4.97581@:3.45543@:3.45543@:2.48792@:2.2039
3@:s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:4.97581@:3.45543@:3.45543@:2.48792@:2.
20393@:s2petrucci@} [89]
@{char@:Petrucci minima head@:88@:0@:4.46756@:3.10246@:3.10246@:2.23378@:1.8944
5@:s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:4.46756@:3.10246@:3.10246@:2.23378@:1.
89445@:s2petrucci@} [89]
@{char@:Petrucci colored semibrevis head@:90@:0@:4.46756@:3.10246@:3.10246@:2.2
3378@:1.89445@:s0blackpetrucci@} [90]
@{char@:Petrucci colored minima head@:91@:0@:4.46756@:3.10246@:3.10246@:2.23378
@:1.89445@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:4.46756@:3.10246@:3.10246@:2.2
3378@:1.89445@:s2blackpetrucci@} [92]
@{char@:Ed. Vat. punctum@:93@:0@:2.2355@:1.32927@:1.44008@:2.2355@:0@:svaticana
.punctum@} [93]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.2355@:1.32927@:1.44008@:2.2355@:0@:sva
ticana.punctum.cavum@} [94]
@{char@:Petrucci colored semibrevis head@:90@:0@:4.97581@:3.45543@:3.45543@:2.4
8792@:2.20393@:s0blackpetrucci@} [90]
@{char@:Ed. Vat. linea punctum@:95@:0@:3.5788@:1.55124@:1.55124@:3.5788@:0@:sva
ticana.linea.punctum@} [95]
@{char@:Petrucci colored minima head@:91@:0@:4.97581@:3.45543@:3.45543@:2.48792
@:2.20393@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:4.97581@:3.45543@:3.45543@:2.4
8792@:2.20393@:s2blackpetrucci@} [92]
@{char@:Ed. Vat. punctum@:93@:0@:2.48982@:1.46243@:1.58583@:2.48982@:0@:svatica
na.punctum@} [93]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.48982@:1.46243@:1.58583@:2.48982@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:Ed. Vat. linea punctum@:95@:0@:3.96425@:1.72772@:1.72772@:3.96425@:0@:s
vaticana.linea.punctum@} [95]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:3.96425@:1.72772@:1.72772@:3.96425
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.76518@:1.97455@:1.97455@:1.3826@:1.01187@
:svaticana.inclinatum@} [97]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.48982@:1.43773@:1.41304@:2.48982@:
0@:svaticana.lpes@} [98]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.48982@:1.98073@:0.87004@:2.489
82@:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.48982@:1.41306@:1.43771@:2.48982@
:0@:svaticana.upes@} [100]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.48982@:1.01814@:1.83263@:2.48
982@:0@:svaticana.vupes@} [101]
@{char@:Ed. Vat. plica@:102@:0@:1.49391@:0.97375@:1.04778@:1.49391@:0@:svatican
a.plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:1.49391@:1.33658@:0.89226@:1.49391@:0@:svat
icana.vplica@} [103]
@{char@:Ed. Vat. epiphonus@:104@:0@:2.48982@:1.68457@:1.70924@:2.48982@:0@:svat
icana.epiphonus@} [104]
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.48982@:2.22757@:1.16624@:2.48982@:0@:
svaticana.vepiphonus@} [105]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.49391@:1.04779@:0.97374@:1.49391@:0@:sva
ticana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.49391@:1.54388@:0.68495@:1.49391@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.48982@:1.70926@:1.68456@:2.48982@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:Ed. Vat. cephalicus@:109@:0@:2.48982@:5.67068@:1.68456@:2.48982@:0@:sva
ticana.cephalicus@} [109]
@{char@:Ed. Vat. quilisma@:110@:0@:2.48982@:1.38217@:1.77708@:2.48982@:0@:svati
cana.quilisma@} [110]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.72824@:1.23409@:1.23409@:
0.86412@:0.27141@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.48982@:1.5118@:2.67181@:2.
48982@:0@:ssolesmes.auct.asc@} [112]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.48982@:2.67183@:1.51178@:
2.48982@:0@:ssolesmes.auct.desc@} [113]
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.76518@:1.97455@:1.97455@:1.382
6@:1.01187@:ssolesmes.incl.auctum@} [114]
@{char@:Solesmes stropha@:115@:0@:2.76518@:1.97455@:1.97455@:1.3826@:1.01187@:s
solesmes.stropha@} [115]
@{char@:Solesmes stropha aucta@:116@:0@:2.76518@:1.97455@:1.97455@:1.3826@:1.01
187@:ssolesmes.stropha.aucta@} [116]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:3.5788@:1.55124@:1.55124@:3.5788@:
0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Solesmes oriscus@:117@:0@:2.9641@:1.48091@:1.48091@:2.9641@:0@:ssolesme
s.oriscus@} [117]
@{char@:Ed. Vat. inclinatum@:97@:0@:2.48274@:1.77286@:1.77286@:1.24138@:0.84363
@:svaticana.inclinatum@} [97]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.2355@:1.30708@:1.28494@:2.2355@:0@
:svaticana.lpes@} [98]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.2355@:1.79462@:0.79741@:2.2355
@:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.2355@:1.28494@:1.30708@:2.2355@:0
@:svaticana.upes@} [100]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.2355@:0.93036@:1.66167@:2.235
5@:0@:svaticana.vupes@} [101]
@{char@:Ed. Vat. plica@:102@:0@:1.34132@:0.8905@:0.95699@:1.34132@:0@:svaticana
.plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:1.34132@:1.21626@:0.81735@:1.34132@:0@:svat
icana.vplica@} [103]
@{char@:Ed. Vat. epiphonus@:104@:0@:2.2355@:1.52873@:1.55089@:2.2355@:0@:svatic
ana.epiphonus@} [104]
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.2355@:2.01627@:1.06335@:2.2355@:0@:sv
aticana.vepiphonus@} [105]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.34132@:0.95699@:0.8905@:1.34132@:0@:svat
icana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.34132@:1.4024@:0.63121@:1.34132@:0@:
svaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.2355@:1.55089@:1.52873@:2.2355@:0@
:svaticana.inner.cephalicus@} [108]
@{char@:Ed. Vat. cephalicus@:109@:0@:2.2355@:5.10767@:1.52873@:2.2355@:0@:svati
cana.cephalicus@} [109]
@{char@:Ed. Med. inclinatum@:118@:0@:3.74332@:2.673@:2.673@:1.87166@:1.71033@:s
medicaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:3.56395@:2.22751@:2.22751@:3.56395@:0@:smedic
aea.punctum@} [119]
@{char@:Ed. Vat. quilisma@:110@:0@:2.2355@:1.24098@:1.59557@:2.2355@:0@:svatica
na.quilisma@} [110]
@{char@:Ed. Med. reverse virga@:120@:0@:3.56395@:2.22751@:11.13751@:3.56395@:0@
:smedicaea.rvirga@} [120]
@{char@:Ed. Med. virga@:121@:0@:3.56395@:11.13751@:2.22751@:3.56395@:0@:smedica
ea.virga@} [121]
@{char@:Hufnagel punctum@:122@:0@:6.3624@:2.22751@:2.22751@:3.1812@:1.26483@:sh
ufnagel.punctum@} [122]
@{char@:Hufnagel virga@:123@:0@:6.3624@:6.68251@:2.22751@:6.3624@:0@:shufnagel.
virga@} [123]
@{char@:Hufnagel pes lower punctum@:124@:0@:8.91@:1.55925@:1.55925@:8.91@:0@:sh
ufnagel.lpes@} [124]
@{char@:Kievan final note@:125@:0@:5.71983@:6.68251@:6.68251@:5.71983@:0@:sM2ki
evan@} [125]
@{char@:Kievan recitative mark@:126@:0@:23.59607@:3.97366@:3.97366@:23.59607@:0
@:sM1kievan@} [126]
@{char@:Kievan whole note@:127@:0@:4.455@:4.455@:4.455@:4.455@:0@:s0kievan@}
[127]
@{char@:Kievan quarter note down@:128@:0@:4.54413@:11.13751@:1.78197@:4.54413@:
0@:d2kievan@} [128]
@{char@:Kievan quarter note up@:129@:0@:4.54413@:1.78197@:11.58304@:4.54413@:0@
:u2kievan@} [129]
@{char@:Kievan half note (line position)@:130@:0@:4.72229@:7.12804@:4.455@:4.72
229@:0@:s1kievan@} [130]
@{char@:Kievan half note (space position)@:131@:0@:4.90053@:4.455@:6.23697@:4.9
0053@:0@:sr1kievan@} [131]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.55171@:1.10803@:1.10803@:
0.77586@:0.1788@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.2355@:1.37358@:2.41515@:2.
2355@:0@:ssolesmes.auct.asc@} [112]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.2355@:2.41515@:1.37358@:2
.2355@:0@:ssolesmes.auct.desc@} [113]
@{char@:Solesmes punctum incl. auctum@:114@:0@:2.48274@:1.77286@:1.77286@:1.241
38@:0.84363@:ssolesmes.incl.auctum@} [114]
@{char@:Solesmes stropha@:115@:0@:2.48274@:1.77286@:1.77286@:1.24138@:0.84363@:
ssolesmes.stropha@} [115]
@{char@:Solesmes stropha aucta@:116@:0@:2.48274@:1.77286@:1.77286@:1.24138@:0.8
4363@:ssolesmes.stropha.aucta@} [116]
@{char@:Solesmes oriscus@:117@:0@:2.66133@:1.32965@:1.32965@:2.66133@:0@:ssoles
mes.oriscus@} [117]
@{char@:Ed. Med. inclinatum@:118@:0@:3.3337@:2.3805@:2.3805@:1.66685@:1.45126@:
smedicaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:3.17395@:1.98375@:1.98375@:3.17395@:0@:smedic
aea.punctum@} [119]
@{char@:Ed. Med. reverse virga@:120@:0@:3.17395@:1.98375@:9.91875@:3.17395@:0@:
smedicaea.rvirga@} [120]
@{char@:Ed. Med. virga@:121@:0@:3.17395@:9.91875@:1.98375@:3.17395@:0@:smedicae
a.virga@} [121]
@{char@:Hufnagel punctum@:122@:0@:5.66617@:1.98375@:1.98375@:2.83308@:1.05452@:
shufnagel.punctum@} [122]
@{char@:Hufnagel virga@:123@:0@:5.66617@:5.95125@:1.98375@:5.66617@:0@:shufnage
l.virga@} [123]
@{char@:Hufnagel pes lower punctum@:124@:0@:7.935@:1.38863@:1.38863@:7.935@:0@:
shufnagel.lpes@} [124]
@{char@:Kievan final note@:125@:0@:5.02202@:5.95125@:5.95125@:5.02202@:0@:sM2ki
evan@} [125]
@{char@:Kievan recitative mark@:126@:0@:21.44537@:3.50288@:3.50288@:21.44537@:0
@:sM1kievan@} [126]
@{char@:Kievan whole note@:127@:0@:3.9675@:3.9675@:3.9675@:3.9675@:0@:s0kievan@
} [127]
@{char@:Kievan quarter note down@:128@:0@:4.04686@:9.91875@:1.58698@:4.04686@:0
@:d2kievan@} [128]
@{char@:Kievan quarter note up@:129@:0@:4.04686@:1.58698@:10.31552@:4.04686@:0@
:u2kievan@} [129]
@{char@:Kievan half note (line position)@:130@:0@:4.20554@:6.34802@:3.9675@:4.2
0554@:0@:s1kievan@} [130]
@{char@:Kievan half note (space position)@:131@:0@:4.36427@:3.9675@:5.55447@:4.
36427@:0@:sr1kievan@} [131]
@{char@:Kievan eighth note (down)@:132@:0@:4.95938@:11.9025@:1.98375@:4.95938@:
0@:d3kievan@} [132]
@{char@:Kievan eighth note (up)@:133@:0@:3.9675@:1.58698@:11.50572@:3.9675@:0@:
u3kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.10876pt)
(some chardp values had to be adjusted by as much as 0.10876pt)
Font metrics written on parmesan-noteheads16.tfm.
101 output files written: parmesan-noteheads16.33 .. parmesan-noteheads16.133
Transcript written on parmesan-noteheads16.log.

@{char@:Kievan eighth note (down)@:132@:0@:5.56876@:13.365@:2.22751@:5.56876@:0
@:d3kievan@} [132]
@{char@:Kievan eighth note (up)@:133@:0@:4.455@:1.78197@:12.91948@:4.455@:0@:u3
kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.12341pt)
(some chardp values had to be adjusted by as much as 0.1234pt)
Font metrics written on parmesan-noteheads18.tfm.
101 output files written: parmesan-noteheads18.33 .. parmesan-noteheads18.133
Transcript written on parmesan-noteheads18.log.

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan13.pt1 parmesan13.pfb"...

Invoking "fontforge -script parmesan13.pe parmesan13.pfb"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan14.pt1 parmesan14.pfb"...
Internal Error (overlap) in clefs.petrucci.c3_change: Winding number did not return to 0 when x=161.197
Internal Error (overlap) in clefs.petrucci.c3_change: monotonic is both needed and unneeded (161.197,280.437)->(180.6,299.838). x=173.74 (prev=161.197)
Internal Error (overlap) in clefs.petrucci.c3_change: monotonic is both needed and unneeded (166.881,503.158)->(180.601,507.808). x=173.74 (prev=161.197)
Internal Error (overlap) in clefs.petrucci.c3_change: Winding number did not return to 0 when x=161.197
Internal Error (overlap) in clefs.petrucci.c3_change: Winding number did not return to 0 when x=161.197
Internal Error (overlap) in clefs.petrucci.c3_change: Winding number did not return to 0 when x=161.197
Internal Error (overlap) in clefs.petrucci.c3_change: Winding number did not return to 0 when x=161.197
Internal Error (overlap) in clefs.petrucci.c3_change: Humph. This monotonic leads nowhere (161.197,280.437)->(161.197,280.437).
Internal Error (overlap) in clefs.petrucci.c3_change: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (41.4023,595.35)->(48.5059,584.126). x=48.5059 (prev=15.6792)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=48.5059
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (41.4023,595.35)->(48.5059,584.126). x=48.5059 (prev=15.6792)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=48.5059
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (41.4023,595.35)->(48.5059,584.126). x=48.5059 (prev=15.6792)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=48.5059
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (41.4023,595.35)->(48.5059,584.126). x=48.5059 (prev=15.6792)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=48.5059
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (48.5059,-319.295)->(48.5059,-319.296). x=48.5059 (prev=-293.31)
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (41.4023,595.35)->(48.5059,584.126). x=48.5059 (prev=15.6792)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=48.5059
Internal Error (overlap) in clefs.petrucci.c4: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c4: couldn't find a needed exit from an intersection

Invoking "fontforge -script parmesan14.pe parmesan14.pfb"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Internal Error (overlap) in clefs.petrucci.c3_change: monotonic is both needed and unneeded (35.623,276.196)->(35.625,275.893). x=35.625 (prev=256.806)
Internal Error (overlap) in clefs.petrucci.c3_change: Winding number did not return to 0 when x=35.625
Internal Error (overlap) in clefs.petrucci.c3_change: monotonic is both needed and unneeded (35.623,276.196)->(35.625,275.893). x=35.625 (prev=256.806)
Internal Error (overlap) in clefs.petrucci.c3_change: Winding number did not return to 0 when x=35.625
Internal Error (overlap) in clefs.petrucci.c3_change: monotonic is both needed and unneeded (35.623,276.196)->(35.625,275.893). x=35.625 (prev=256.806)
Internal Error (overlap) in clefs.petrucci.c3_change: Winding number did not return to 0 when x=35.625
Internal Error (overlap) in clefs.petrucci.c3_change: monotonic is both needed and unneeded (35.623,276.196)->(35.625,275.893). x=35.625 (prev=256.806)
Internal Error (overlap) in clefs.petrucci.c3_change: Winding number did not return to 0 when x=35.625
Internal Error (overlap) in clefs.petrucci.c3_change: monotonic is both needed and unneeded (35.625,-275.894)->(35.625,-275.895). x=35.625 (prev=-275.894)
Internal Error (overlap) in clefs.petrucci.c3_change: monotonic is both needed and unneeded (35.623,276.196)->(35.625,275.893). x=35.625 (prev=256.806)
Internal Error (overlap) in clefs.petrucci.c3_change: monotonic is both needed and unneeded (35.625,701.389)->(35.623,276.196). x=35.625 (prev=284.951)
Internal Error (overlap) in clefs.petrucci.c3_change: monotonic is both needed and unneeded (30.4072,711.39)->(35.625,701.389). x=35.625 (prev=284.951)
Internal Error (overlap) in clefs.petrucci.c3_change: Winding number did not return to 0 when x=35.625
Internal Error (overlap) in clefs.petrucci.c3_change: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c3_change: couldn't find a needed exit from an intersection

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan26.pt1 parmesan26.pfb"...

Invoking "fontforge -script parmesan26.pe parmesan26.pfb"...

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan18.pt1 parmesan18.pfb"...

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan23.pt1 parmesan23.pfb"...

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan16.pt1 parmesan16.pfb"...

Invoking "fontforge -script parmesan18.pe parmesan18.pfb"...

Invoking "fontforge -script parmesan23.pe parmesan23.pfb"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

Invoking "fontforge -script parmesan16.pe parmesan16.pfb"...
Failed to change locale.
Internal Error (overlap) in clefs.neomensural.c: Winding number did not return to 0 when x=534.583
Internal Error (overlap) in clefs.neomensural.c: monotonic is both needed and unneeded (549.712,183.357)->(564.842,168.229). x=555.06 (prev=534.583)
Internal Error (overlap) in clefs.neomensural.c: monotonic is both needed and unneeded (549.711,500.001)->(560.408,497.677). x=555.06 (prev=534.583)
Internal Error (overlap) in clefs.neomensural.c: Winding number did not return to 0 when x=534.583
Internal Error (overlap) in clefs.neomensural.c: Winding number did not return to 0 when x=534.583
Internal Error (overlap) in clefs.neomensural.c: Winding number did not return to 0 when x=534.583
Internal Error (overlap) in clefs.neomensural.c: Winding number did not return to 0 when x=534.583
Internal Error (overlap) in clefs.neomensural.c: Humph. This monotonic leads nowhere (534.583,168.229)->(534.583,168.229).
Internal Error (overlap) in clefs.neomensural.c: couldn't find a needed exit from an intersection
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

*** Successfully generated parmesan13.pfb! ***
Failed to change locale.
Internal Error (overlap) in clefs.petrucci.c1: Winding number did not return to 0 when x=217.504
Internal Error (overlap) in clefs.petrucci.c1: monotonic is both needed and unneeded (217.504,296.417)->(233.751,312.663). x=228.007 (prev=217.504)
Internal Error (overlap) in clefs.petrucci.c1: monotonic is both needed and unneeded (222.263,556.293)->(233.751,558.902). x=228.007 (prev=217.504)
Internal Error (overlap) in clefs.petrucci.c1: Winding number did not return to 0 when x=217.504
Internal Error (overlap) in clefs.petrucci.c1: Winding number did not return to 0 when x=217.504
Internal Error (overlap) in clefs.petrucci.c1: Winding number did not return to 0 when x=217.504
Internal Error (overlap) in clefs.petrucci.c1: Winding number did not return to 0 when x=217.504
Internal Error (overlap) in clefs.petrucci.c1: Humph. This monotonic leads nowhere (217.504,296.417)->(217.504,296.417).
Internal Error (overlap) in clefs.petrucci.c1: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (25.8213,712.251)->(30.252,704.315). x=30.252 (prev=9.77832)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=30.252
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (25.8213,712.251)->(30.252,704.315). x=30.252 (prev=9.77832)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=30.252
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (25.8213,712.251)->(30.252,704.315). x=30.252 (prev=9.77832)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=30.252
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (25.8213,712.251)->(30.252,704.315). x=30.252 (prev=9.77832)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=30.252
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (30.252,-268.218)->(30.252,-268.219). x=30.252 (prev=-252.011)
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (30.252,268.218)->(30.252,268.217). x=30.252 (prev=268.217)
Internal Error (overlap) in clefs.petrucci.c2_change: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c2_change: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c2: Winding number did not return to 0 when x=217.504
Internal Error (overlap) in clefs.petrucci.c2: monotonic is both needed and unneeded (233.751,312.663)->(249.998,296.417). x=239.495 (prev=217.504)
Internal Error (overlap) in clefs.petrucci.c2: monotonic is both needed and unneeded (233.751,558.902)->(245.239,556.293). x=239.495 (prev=217.504)
Internal Error (overlap) in clefs.petrucci.c2: Winding number did not return to 0 when x=217.504
Internal Error (overlap) in clefs.petrucci.c2: Winding number did not return to 0 when x=217.504
Internal Error (overlap) in clefs.petrucci.c2: Winding number did not return to 0 when x=217.504
Internal Error (overlap) in clefs.petrucci.c2: Winding number did not return to 0 when x=217.504
Internal Error (overlap) in clefs.petrucci.c2: Humph. This monotonic leads nowhere (217.504,296.417)->(217.504,296.417).
Internal Error (overlap) in clefs.petrucci.c2: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (22.1885,712.922)->(25.9951,706.623). x=25.9951 (prev=8.40259)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=25.9951
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (22.1885,712.922)->(25.9951,706.623). x=25.9951 (prev=8.40259)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=25.9951
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (22.1885,712.922)->(25.9951,706.623). x=25.9951 (prev=8.40259)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=25.9951
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (22.1885,712.922)->(25.9951,706.623). x=25.9951 (prev=8.40259)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=25.9951
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (25.9951,-262.135)->(25.9951,-262.136). x=25.9951 (prev=-262.136)
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (22.1885,712.922)->(25.9951,706.623). x=25.9951 (prev=8.40259)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=25.9951
Internal Error (overlap) in clefs.petrucci.c2_change: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c2_change: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (245.239,556.292)->(249.998,549.992). x=249.998 (prev=304.54)
Internal Error (overlap) in clefs.petrucci.c3: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (27.7354,797.382)->(32.4941,791.082). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c3: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (27.7354,797.382)->(32.4941,791.082). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c3: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (245.239,556.292)->(249.998,549.992). x=249.998 (prev=304.54)
Internal Error (overlap) in clefs.petrucci.c3: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (245.239,556.292)->(249.998,549.992). x=249.998 (prev=304.54)
Internal Error (overlap) in clefs.petrucci.c3: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (27.7354,797.382)->(32.4941,791.082). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c3: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (27.7354,797.382)->(32.4941,791.082). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c3: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (245.239,556.292)->(249.998,549.992). x=249.998 (prev=304.54)
Internal Error (overlap) in clefs.petrucci.c3: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (249.998,-296.419)->(249.998,-296.421). x=249.998 (prev=-0.000976562)
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (245.239,556.292)->(249.998,549.992). x=249.998 (prev=304.54)
Internal Error (overlap) in clefs.petrucci.c3: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (32.4941,-296.419)->(32.4941,-296.42). x=32.4941 (prev=-296.42)
Internal Error (overlap) in clefs.petrucci.c3: monotonic is both needed and unneeded (32.4941,296.417)->(32.4941,296.416). x=32.4941 (prev=296.417)
Internal Error (overlap) in clefs.petrucci.c3: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c3: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c3: couldn't find a needed exit from an intersection
( echo ./out/parmesan-noteheads20.pfb:  > out/parmesan-noteheads20.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan-noteheads20.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan-noteheads20 --fullname=parmesan-noteheads20 --name=parmesan-noteheads20 parmesan-noteheads20.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (32.7871,271.841)->(56.208,236.709). x=32.7881 (prev=254.274)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=32.7881
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (32.7871,271.841)->(56.208,236.709). x=32.7881 (prev=254.274)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=32.7881
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (32.7871,271.841)->(56.208,236.709). x=32.7881 (prev=254.274)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=32.7881
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (32.7871,271.841)->(56.208,236.709). x=32.7881 (prev=254.274)
Internal Error (overlap) in clefs.petrucci.c2_change: Winding number did not return to 0 when x=32.7881
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (32.7881,-271.841)->(32.7881,-271.842). x=32.7881 (prev=-271.841)
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (32.7871,-148.42)->(56.207,-171.84). x=32.7881 (prev=32.7881)
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (56.207,-78.1592)->(32.7871,-101.579). x=32.7881 (prev=32.7881)
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (32.7871,101.578)->(56.207,78.1582). x=32.7881 (prev=32.7881)
Internal Error (overlap) in clefs.petrucci.c2_change: monotonic is both needed and unneeded (56.207,171.839)->(32.7871,148.419). x=32.7881 (prev=32.7881)
Internal Error (overlap) in clefs.petrucci.c2_change: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c2_change: Humph. This monotonic leads nowhere (4.80078,-532.959)->(-0.000976562,-524.048).
Internal Error (overlap) in clefs.petrucci.c2_change: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (245.239,547.384)->(249.998,541.084). x=249.998 (prev=304.54)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (27.7354,597.383)->(32.4941,591.083). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (27.7354,597.383)->(32.4941,591.083). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (245.239,547.384)->(249.998,541.084). x=249.998 (prev=304.54)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (245.239,547.384)->(249.998,541.084). x=249.998 (prev=304.54)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (27.7354,597.383)->(32.4941,591.083). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (27.7354,597.383)->(32.4941,591.083). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (245.239,547.384)->(249.998,541.084). x=249.998 (prev=304.54)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (249.998,-296.419)->(249.998,-296.42). x=249.998 (prev=-0.000976562)
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (245.239,547.384)->(249.998,541.084). x=249.998 (prev=304.54)
Internal Error (overlap) in clefs.petrucci.c4: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (32.4941,-296.419)->(32.4941,-296.42). x=32.4941 (prev=-296.419)
Internal Error (overlap) in clefs.petrucci.c4: monotonic is both needed and unneeded (32.4941,296.417)->(32.4941,296.416). x=32.4941 (prev=296.417)
Internal Error (overlap) in clefs.petrucci.c4: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c4: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c4: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (233.751,312.663)->(249.998,296.416). x=249.998 (prev=-0.000976562)
Internal Error (overlap) in clefs.petrucci.c5: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (27.7354,347.385)->(32.4941,341.086). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c5: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (27.7354,347.385)->(32.4941,341.086). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c5: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (233.751,312.663)->(249.998,296.416). x=249.998 (prev=-0.000976562)
Internal Error (overlap) in clefs.petrucci.c5: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (233.751,312.663)->(249.998,296.416). x=249.998 (prev=-0.000976562)
Internal Error (overlap) in clefs.petrucci.c5: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (27.7354,347.385)->(32.4941,341.086). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c5: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (27.7354,347.385)->(32.4941,341.086). x=32.4941 (prev=10.5029)
Internal Error (overlap) in clefs.petrucci.c5: Winding number did not return to 0 when x=32.4941
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (233.751,312.663)->(249.998,296.416). x=249.998 (prev=-0.000976562)
Internal Error (overlap) in clefs.petrucci.c5: Winding number did not return to 0 when x=249.998
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (249.998,-296.419)->(249.998,-296.42). x=249.998 (prev=-0.000976562)
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (32.4941,-296.419)->(32.4941,-296.42). x=32.4941 (prev=-296.419)
Internal Error (overlap) in clefs.petrucci.c5: monotonic is both needed and unneeded (32.4941,296.417)->(32.4941,296.416). x=32.4941 (prev=-0.000976562)
Internal Error (overlap) in clefs.petrucci.c5: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c5: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c5: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c5_change: monotonic is both needed and unneeded (22.1885,310.434)->(25.9951,304.135). x=25.9951 (prev=8.40259)
Internal Error (overlap) in clefs.petrucci.c5_change: Winding number did not return to 0 when x=25.9951
Internal Error (overlap) in clefs.petrucci.c5_change: monotonic is both needed and unneeded (22.1885,310.434)->(25.9951,304.135). x=25.9951 (prev=8.40259)
Internal Error (overlap) in clefs.petrucci.c5_change: Winding number did not return to 0 when x=25.9951
Internal Error (overlap) in clefs.petrucci.c5_change: monotonic is both needed and unneeded (22.1885,310.434)->(25.9951,304.135). x=25.9951 (prev=8.40259)
Internal Error (overlap) in clefs.petrucci.c5_change: Winding number did not return to 0 when x=25.9951
Internal Error (overlap) in clefs.petrucci.c5_change: monotonic is both needed and unneeded (22.1885,310.434)->(25.9951,304.135). x=25.9951 (prev=8.40259)
Internal Error (overlap) in clefs.petrucci.c5_change: Winding number did not return to 0 when x=25.9951
Internal Error (overlap) in clefs.petrucci.c5_change: monotonic is both needed and unneeded (25.9951,-262.135)->(25.9951,-262.136). x=25.9951 (prev=-248.208)
Internal Error (overlap) in clefs.petrucci.c5_change: monotonic is both needed and unneeded (22.1885,310.434)->(25.9951,304.135). x=25.9951 (prev=8.40259)
Internal Error (overlap) in clefs.petrucci.c5_change: Winding number did not return to 0 when x=25.9951
Internal Error (overlap) in clefs.petrucci.c5_change: couldn't find a needed exit from an intersection
Internal Error (overlap) in clefs.petrucci.c5_change: couldn't find a needed exit from an intersection
Failed to change locale.

*** Successfully generated parmesan14.pfb! ***
( echo ./out/parmesan-noteheads23.pfb:  > out/parmesan-noteheads23.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan-noteheads23.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan-noteheads23 --fullname=parmesan-noteheads23 --name=parmesan-noteheads23 parmesan-noteheads23.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP
Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan-noteheads20.mf'"...
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads20.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf
) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mfFailed to change locale.
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:20@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:13.00003@:2.75003@:2.75003@:1
3.00003@:0@:uM3neomensural@} [33]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:13.00003@:2.75003@:2.75003@
:13.00003@:0@:dM3neomensural@} [34]
*** Successfully generated parmesan26.pfb! ***

@{char@:Neo-mensural longa notehead (up)@:35@:0@:10@:2.75003@:2.75003@:10@:0@:u
M2neomensural@} [35]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:10@:2.75003@:2.75003@:10@:0@
:dM2neomensural@} [36]
@{char@:Neo-mensural brevis notehead@:37@:0@:10@:2.75003@:2.75003@:10@:0@:sM1ne
omensural@} [37]( echo ./out/parmesan-noteheads26.pfb:  > out/parmesan-noteheads26.dep ) && TMP=`mktemp -d ./out/pfbtemp.parmesan-noteheads26.XXXXXXXXX` \
&& ( cd $TMP \
	&& ln -s ../mf2pt1.mem . \
	&& ln -s ../../mf2pt1.mp . \
	&& MFINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf:..:: /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/mf2pt1 --rounding=0.0001 --family=parmesan-noteheads26 --fullname=parmesan-noteheads26 --name=parmesan-noteheads26 parmesan-noteheads26.mf ) \
&& mv $TMP/*pfb ./out; \
rm -rf $TMP

@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:13.00003@:2.750
03@:2.75003@:13.00003@:0@:urM3neomensural@} [38]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:13.00003@:2.7
5003@:2.75003@:13.00003@:0@:drM3neomensural@} [39]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:10@:2.75003@:2.7
5003@:10@:0@:urM2neomensural@} [40]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:10@:2.75003@:2
.75003@:10@:0@:drM2neomensural@} [41]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:10@:2.75003@:2.7500
3@:10@:0@:srM1neomensural@} [42]
@{char@:Neo-mensural semibrevis head@:43@:0@:5@:2.75003@:2.75003@:2.5@:1.44992@
:s0neomensural@} [43]
@{char@:Neo-mensural minima head@:44@:0@:5@:2.75003@:2.75003@:2.5@:1.44992@:s1n
eomensural@} [44]
@{char@:Neo-mensural semiminima head@:45@:0@:5@:2.75003@:2.75003@:2.5@:1.44992@
:s2neomensural@} [45]Failed to change locale.

@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:6.50002@:3.57504@:3.57504
@:6.50002@:0@:s0harmonic@} [46]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:6.50002@:3.57504@:3.5750
4@:6.50002@:0@:s2harmonic@} [47]Failed to change locale.

@{char@:Mensural maxima notehead (up)@:48@:0@:10@:2.75003@:2.75003@:10@:0@:uM3m
ensural@} [48]
@{char@:Mensural maxima notehead (down)@:49@:0@:10@:2.75003@:2.75003@:10@:0@:dM
3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:10@:2.75003@:2.75003@:10@:0
@:sM3ligmensural@} [50]
@{char@:Mensural longa notehead (up)@:51@:0@:5@:2.75003@:2.75003@:5@:0@:uM2mens
ural@} [51]
@{char@:Mensural longa notehead (down)@:52@:0@:5@:2.75003@:2.75003@:5@:0@:dM2me
nsural@} [52]
@{char@:Mensural longa notehead (ligature)@:53@:0@:5@:2.75003@:2.75003@:5@:0@:s
M2ligmensural@} [53]
*** Successfully generated parmesan18.pfb! ***

@{char@:Mensural brevis notehead@:54@:0@:5@:2.75003@:2.75003@:5@:0@:sM1mensural
@} [54]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:10@:2.75003@:2.7500
3@:10@:0@:urM3mensural@} [55]
*** Successfully generated parmesan16.pfb! ***

@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:10@:2.75003@:2.75
003@:10@:0@:drM3mensural@} [56]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:10@:2.75003@:
2.75003@:10@:0@:srM3ligmensural@} [57]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:5@:2.75003@:2.75003@
:5@:0@:urM2mensural@} [58]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:5@:2.75003@:2.7500
3@:5@:0@:drM2mensural@} [59]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:5@:2.75003@:2.
75003@:5@:0@:srM2ligmensural@} [60]rm -f out/emmentaler-brace.pe

@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:5@:2.75003@:2.75003@:5@
:0@:srM1mensural@} [61]cat out/feta-braces-a.otf-table out/feta-braces-b.otf-table out/feta-braces-c.otf-table out/feta-braces-d.otf-table out/feta-braces-e.otf-table out/feta-braces-f.otf-table out/feta-braces-g.otf-table out/feta-braces-h.otf-table out/feta-braces-i.otf-table > out/emmentaler-brace.otf-table

@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:10@:2.75003@:2.75003
@:10@:0@:uM3semimensural@} [62]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:10@:2.75003@:2.750
03@:10@:0@:dM3semimensural@} [63]cat emmentaler-brace.pe.in | sed -e '#'  | sed -e '#'  -e 's!@BASH@!/usr/pkg/bin/bash!g'  -e 's!@BUILD_VERSION@!1!g'  -e 's!@DATE@!23JUL21!g'  -e 's!@FONTFORGE@!/usr/pkg/bin/fontforge!g'  -e 's!@GUILE@!/var/pkgsrc/work/print/lilypond/work/.buildlink/bin/guile!g'  -e 's!@MICRO_VERSION@!2!g'  -e 's!@MAJOR_VERSION@!2!g'  -e 's!@MINOR_VERSION@!18!g'  -e 's!@NCSB_DIR@!/usr/pkg/share/fonts/urw!g'  -e 's!@PACKAGE@!LILYPOND!g'  -e 's!@PATCH_LEVEL@!2!g'  -e 's!@PATHSEP@!:!g'  -e 's!@PERL@!/usr/pkg/bin/perl!g'  -e 's!@PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@SHELL@!/bin/sh!g'  -e 's!@TARGET_PYTHON@!/usr/pkg/bin/python2.7 -tt!g'  -e 's!@TOPLEVEL_VERSION@!2.18.2!g'  -e 's!@bindir@!/usr/pkg/bin!g'  -e 's!@datadir@!/usr/pkg/share!g'  -e 's!@date@!23JUL21!g'  -e 's!@lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@lilypond_docdir@!/usr/pkg/share/doc/lilypond!g'  -e 's!@lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@local_lilypond_datadir@!/usr/pkg/share/lilypond/2.18.2!g'  -e 's!@local_lilypond_libdir@!/usr/pkg/lib/lilypond/2.18.2!g'  -e 's!@localedir@!/usr/pkg/share/locale!g'  -e 's!@outdir@!./out!g'  -e 's!@package@!lilypond!g'  -e 's!@prefix@!/usr/pkg!g'  -e 's!@program_prefix@!!g'  -e 's!@program_suffix@!!g'  -e 's!@sharedstatedir@!/usr/pkg/com!g'  -e 's!@src-dir@!.!g'  -e 's!@top-src-dir@!/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2!g' > out/emmentaler-brace.pe
Failed to change locale.

@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:10@:2.75003@:2
.75003@:10@:0@:sM3semiligmensural@} [64]echo '(design_size . 20)' > out/emmentaler-brace.otf-gtable

@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:5@:2.75003@:2.75003@:
5@:0@:uM2semimensural@} [65]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:5@:2.75003@:2.75003
@:5@:0@:dM2semimensural@} [66]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan20.pt1 parmesan20.pfb"...

@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:5@:2.75003@:2.7
5003@:5@:0@:sM2semiligmensural@} [67]echo feta-braces-a feta-braces-b feta-braces-c feta-braces-d feta-braces-e feta-braces-f feta-braces-g feta-braces-h feta-braces-i > out/emmentaler-brace.subfonts

@{char@:Semi-colored mensural brevis notehead@:68@:0@:5@:2.75003@:2.75003@:5@:0
@:sM1semimensural@} [68]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:10@:2.
75003@:2.75003@:10@:0@:urM3semimensural@} [69]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:10@:
2.75003@:2.75003@:10@:0@:drM3semimensural@} [70]printf 'emmentaler-brace' > out/emmentaler-brace.fontname

@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
10@:2.75003@:2.75003@:10@:0@:srM3semiligmensural@} [71]
*** Successfully generated parmesan23.pfb! ***

@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:5@:2.75
003@:2.75003@:5@:0@:urM2semimensural@} [72]
Invoking "fontforge -script parmesan20.pe parmesan20.pfb"...

@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:5@:2.
75003@:2.75003@:5@:0@:drM2semimensural@} [73]echo '<fontconfig><dir>'/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/out'</dir></fontconfig>' > out/fonts.conf

@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:5
@:2.75003@:2.75003@:5@:0@:srM2semiligmensural@} [74]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:5@:2.75003
@:2.75003@:5@:0@:srM1semimensural@} [75]
@{char@:Black mensural maxima notehead (up)@:76@:0@:10@:2.75003@:2.75003@:10@:0
@:uM3blackmensural@} [76]
@{char@:Black mensural maxima notehead (down)@:77@:0@:10@:2.75003@:2.75003@:10@
:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:10@:2.75003@:2.75003@
:10@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:5@:2.75003@:2.75003@:5@:0@:u
M2blackmensural@} [79]
@{char@:Black mensural longa notehead (down)@:80@:0@:5@:2.75003@:2.75003@:5@:0@
:dM2blackmensural@} [80]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan-noteheads23.mf'"...

@{char@:Black mensural longa notehead (ligature)@:81@:0@:5@:2.75003@:2.75003@:5
@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:5@:2.75003@:2.75003@:5@:0@:sM1bl
ackmensural@} [82]
@{char@:Mensural semibrevis head@:83@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49991@:s
0mensural@} [83]
@{char@:Mensural minima head@:84@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49991@:s1men
sural@} [84]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Mensural semiminima head@:85@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49991@:s
2mensural@} [85]
@{char@:Black mensural semibrevis head@:86@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49
991@:s0blackmensural@} [86]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.))
@{char@:Petrucci semibrevis head@:87@:0@:5.54402@:3.85002@:3.85002@:2.77202@:2.
54991@:s0petrucci@} [87]

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads23.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Petrucci minima head@:88@:0@:5.54402@:3.85002@:3.85002@:2.77202@:2.5499
1@:s1petrucci@} [88]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf
@{char@:Petrucci semiminima head@:89@:0@:5.54402@:3.85002@:3.85002@:2.77202@:2.
54991@:s2petrucci@} [89] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:Petrucci colored semibrevis head@:90@:0@:5.54402@:3.85002@:3.85002@:2.7
7202@:2.54991@:s0blackpetrucci@} [90])
@{char@:Petrucci colored minima head@:91@:0@:5.54402@:3.85002@:3.85002@:2.77202
@:2.54991@:s1blackpetrucci@} [91] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Petrucci colored semiminima head@:92@:0@:5.54402@:3.85002@:3.85002@:2.7
7202@:2.54991@:s2blackpetrucci@} [92])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf)
@{font@:GNU@:LilyPond@:parmesan@:22.45@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:Ed. Vat. punctum@:93@:0@:2.77415@:1.6113@:1.74881@:2.77415@:0@:svatican
a.punctum@} [93]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.77415@:1.6113@:1.74881@:2.77415@:0@:sv
aticana.punctum.cavum@} [94]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:14.59254@:3.06679@:3.06679@:1
4.59254@:0@:uM3neomensural@} [33]
@{char@:Ed. Vat. linea punctum@:95@:0@:4.39519@:1.92502@:1.92502@:4.39519@:0@:s
vaticana.linea.punctum@} [95]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:14.59254@:3.06679@:3.06679@
:14.59254@:0@:dM3neomensural@} [34]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Ed. Vat. linea punctum cavum@:96@:0@:4.39519@:1.92502@:1.92502@:4.39519
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:11.225@:3.06679@:3.06679@:11.2
25@:0@:uM2neomensural@} [35]
@{char@:Ed. Vat. inclinatum@:97@:0@:3.08096@:2.20003@:2.20003@:1.54048@:1.19994
@:svaticana.inclinatum@} [97]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:11.225@:3.06679@:3.06679@:11
.225@:0@:dM2neomensural@} [36]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.77415@:1.58377@:1.55629@:2.77415@:
0@:svaticana.lpes@} [98]Failed to change locale.

@{char@:Neo-mensural brevis notehead@:37@:0@:11.225@:3.06679@:3.06679@:11.225@:
0@:sM1neomensural@} [37]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.77415@:2.18878@:0.95128@:2.774
15@:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.77415@:1.55629@:1.58377@:2.77415@
:0@:svaticana.upes@} [100]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:14.59254@:3.066
79@:3.06679@:14.59254@:0@:urM3neomensural@} [38]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:14.59254@:3.0
6679@:3.06679@:14.59254@:0@:drM3neomensural@} [39]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:11.225@:3.06679@
:3.06679@:11.225@:0@:urM2neomensural@} [40]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.77415@:1.11627@:2.02379@:2.77
415@:0@:svaticana.vupes@} [101]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan-noteheads16.pt1 parmesan-noteheads16.pfb"...

@{char@:Ed. Vat. plica@:102@:0@:1.66452@:1.06682@:1.14929@:1.66452@:0@:svatican
a.plica@} [102]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:11.225@:3.0667
9@:3.06679@:11.225@:0@:drM2neomensural@} [41]
@{char@:Ed. Vat. var plica@:103@:0@:1.66452@:1.47107@:0.97603@:1.66452@:0@:svat
icana.vplica@} [103]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:11.225@:3.06679@:3.
06679@:11.225@:0@:srM1neomensural@} [42]Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=100; bpppix 0.02; nonstopmode; input parmesan-noteheads26.mf'"...

@{char@:Ed. Vat. epiphonus@:104@:0@:2.77415@:1.85881@:1.88632@:2.77415@:0@:svat
icana.epiphonus@} [104]
@{char@:Neo-mensural semibrevis head@:43@:0@:5.6125@:3.06679@:3.06679@:2.80626@
:1.71199@:s0neomensural@} [43]
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.77415@:2.46382@:1.28131@:2.77415@:0@:
svaticana.vepiphonus@} [105]
Invoking "fontforge -script parmesan-noteheads16.pe parmesan-noteheads16.pfb"...

@{char@:Neo-mensural minima head@:44@:0@:5.6125@:3.06679@:3.06679@:2.80626@:1.7
1199@:s1neomensural@} [44]
@{char@:Neo-mensural semiminima head@:45@:0@:5.6125@:3.06679@:3.06679@:2.80626@
:1.71199@:s2neomensural@} [45]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.66452@:1.1493@:1.0668@:1.66452@:0@:svati
cana.reverse.plica@} [106]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:7.29626@:3.98683@:3.98683
@:7.29626@:0@:s0harmonic@} [46]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:7.29626@:3.98683@:3.9868
3@:7.29626@:0@:s2harmonic@} [47]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.66452@:1.70206@:0.74504@:1.66452@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Mensural maxima notehead (up)@:48@:0@:11.225@:3.06679@:3.06679@:11.225@
:0@:uM3mensural@} [48]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.77415@:1.88632@:1.85881@:2.77415@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:Mensural maxima notehead (down)@:49@:0@:11.225@:3.06679@:3.06679@:11.22
5@:0@:dM3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:11.225@:3.06679@:3.06679@:1
1.225@:0@:sM3ligmensural@} [50]
@{char@:Mensural longa notehead (up)@:51@:0@:5.6125@:3.06679@:3.06679@:5.6125@:
0@:uM2mensural@} [51]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)

@{char@:Mensural longa notehead (down)@:52@:0@:5.6125@:3.06679@:3.06679@:5.6125
@:0@:dM2mensural@} [52]
@{char@:Ed. Vat. cephalicus@:109@:0@:2.77415@:6.30011@:1.85881@:2.77415@:0@:sva
ticana.cephalicus@} [109](./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Mensural longa notehead (ligature)@:53@:0@:5.6125@:3.06679@:3.06679@:5.
6125@:0@:sM2ligmensural@} [53]
@{char@:Ed. Vat. quilisma@:110@:0@:2.77415@:1.54001@:1.98003@:2.77415@:0@:svati
cana.quilisma@} [110]
@{char@:Mensural brevis notehead@:54@:0@:5.6125@:3.06679@:3.06679@:5.6125@:0@:s
M1mensural@} [54]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:11.225@:3.06679@:3.
06679@:11.225@:0@:urM3mensural@} [55]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.9256@:1.37502@:1.37502@:0
.9628@:0.37492@:ssolesmes.incl.parvum@} [111]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:11.225@:3.06679@:
3.06679@:11.225@:0@:drM3mensural@} [56]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.77415@:1.66629@:2.9588@:2.
77415@:0@:ssolesmes.auct.asc@} [112]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:11.225@:3.066
79@:3.06679@:11.225@:0@:srM3ligmensural@} [57]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.77415@:2.9588@:1.66629@:2
.77415@:0@:ssolesmes.auct.desc@} [113])
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:5.6125@:3.06679@:3.0
6679@:5.6125@:0@:urM2mensural@} [58]

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads26.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:5.6125@:3.06679@:3
.06679@:5.6125@:0@:drM2mensural@} [59]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf
@{char@:Solesmes punctum incl. auctum@:114@:0@:3.08096@:2.20003@:2.20003@:1.540
48@:1.19994@:ssolesmes.incl.auctum@} [114]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:5.6125@:3.0667
9@:3.06679@:5.6125@:0@:srM2ligmensural@} [60] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:5.6125@:3.06679@:3.0667
9@:5.6125@:0@:srM1mensural@} [61])
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:11.225@:3.06679@:3.0
6679@:11.225@:0@:uM3semimensural@} [62] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Solesmes stropha@:115@:0@:3.08096@:2.20003@:2.20003@:1.54048@:1.19994@:
ssolesmes.stropha@} [115]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:11.225@:3.06679@:3
.06679@:11.225@:0@:dM3semimensural@} [63]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:11.225@:3.0667
9@:3.06679@:11.225@:0@:sM3semiligmensural@} [64])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:Solesmes stropha aucta@:116@:0@:3.08096@:2.20003@:2.20003@:1.54048@:1.1
9994@:ssolesmes.stropha.aucta@} [116]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:5.6125@:3.06679@:3.06
679@:5.6125@:0@:uM2semimensural@} [65])
@{font@:GNU@:LilyPond@:parmesan@:25.2@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:5.6125@:3.06679@:3.
06679@:5.6125@:0@:dM2semimensural@} [66]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:5.6125@:3.06679
@:3.06679@:5.6125@:0@:sM2semiligmensural@} [67]
@{char@:Solesmes oriscus@:117@:0@:3.30258@:1.65004@:1.65004@:3.30258@:0@:ssoles
mes.oriscus@} [117]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:5.6125@:3.06679@:3.06679@
:5.6125@:0@:sM1semimensural@} [68]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:11.225
@:3.06679@:3.06679@:11.225@:0@:urM3semimensural@} [69]
@{char@:Ed. Med. inclinatum@:118@:0@:4.20125@:3@:3@:2.10063@:1.99991@:smedicaea
.inclinatum@} [118]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:11.2
25@:3.06679@:3.06679@:11.225@:0@:drM3semimensural@} [70]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:16.38005@:3.42233@:3.42233@:1
6.38005@:0@:uM3neomensural@} [33]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
11.225@:3.06679@:3.06679@:11.225@:0@:srM3semiligmensural@} [71]
@{char@:Ed. Med. punctum@:119@:0@:3.99994@:2.5@:2.5@:3.99994@:0@:smedicaea.punc
tum@} [119]
@{char@:Ed. Med. reverse virga@:120@:0@:3.99994@:2.5@:12.5@:3.99994@:0@:smedica
ea.rvirga@} [120]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:5.6125@
:3.06679@:3.06679@:5.6125@:0@:urM2semimensural@} [72]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:16.38005@:3.42233@:3.42233@
:16.38005@:0@:dM3neomensural@} [34]
@{char@:Ed. Med. virga@:121@:0@:3.99994@:12.5@:2.5@:3.99994@:0@:smedicaea.virga
@} [121]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:5.612
5@:3.06679@:3.06679@:5.6125@:0@:drM2semimensural@} [73]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:5
.6125@:3.06679@:3.06679@:5.6125@:0@:srM2semiligmensural@} [74]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:12.6@:3.42233@:3.42233@:12.6@:
0@:uM2neomensural@} [35]
@{char@:Hufnagel punctum@:122@:0@:7.14073@:2.5@:2.5@:3.57037@:1.49991@:shufnage
l.punctum@} [122]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:5.6125@:3.
06679@:3.06679@:5.6125@:0@:srM1semimensural@} [75]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:12.6@:3.42233@:3.42233@:12.6
@:0@:dM2neomensural@} [36]
@{char@:Black mensural maxima notehead (up)@:76@:0@:11.225@:3.06679@:3.06679@:1
1.225@:0@:uM3blackmensural@} [76]
@{char@:Neo-mensural brevis notehead@:37@:0@:12.6@:3.42233@:3.42233@:12.6@:0@:s
M1neomensural@} [37]
@{char@:Black mensural maxima notehead (down)@:77@:0@:11.225@:3.06679@:3.06679@
:11.225@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:11.225@:3.06679@:3.06
679@:11.225@:0@:sM3blackligmensural@} [78]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:16.38005@:3.422
33@:3.42233@:16.38005@:0@:urM3neomensural@} [38]
@{char@:Black mensural longa notehead (up)@:79@:0@:5.6125@:3.06679@:3.06679@:5.
6125@:0@:uM2blackmensural@} [79]
@{char@:Hufnagel virga@:123@:0@:7.14073@:7.5@:2.5@:7.14073@:0@:shufnagel.virga@
} [123]
@{char@:Black mensural longa notehead (down)@:80@:0@:5.6125@:3.06679@:3.06679@:
5.6125@:0@:dM2blackmensural@} [80]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:16.38005@:3.4
2233@:3.42233@:16.38005@:0@:drM3neomensural@} [39]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:5.6125@:3.06679@:3.066
79@:5.6125@:0@:sM2blackligmensural@} [81]
@{char@:Hufnagel pes lower punctum@:124@:0@:10@:1.75@:1.75@:10@:0@:shufnagel.lp
es@} [124]
@{char@:Black mensural brevis notehead@:82@:0@:5.6125@:3.06679@:3.06679@:5.6125
@:0@:sM1blackmensural@} [82]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:12.6@:3.42233@:3
.42233@:12.6@:0@:urM2neomensural@} [40]
@{char@:Kievan final note@:125@:0@:6.49991@:7.5@:7.5@:6.49991@:0@:sM2kievan@}
[125]
@{char@:Mensural semibrevis head@:83@:0@:3.24036@:2.80626@:2.80626@:1.62018@:1.
76411@:s0mensural@} [83]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:12.6@:3.42233@
:3.42233@:12.6@:0@:drM2neomensural@} [41]
@{char@:Kievan recitative mark@:126@:0@:26.00055@:4.49995@:4.49995@:26.00055@:0
@:sM1kievan@} [126]
@{char@:Mensural minima head@:84@:0@:3.24036@:2.80626@:2.80626@:1.62018@:1.7641
1@:s1mensural@} [84]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:12.6@:3.42233@:3.42
233@:12.6@:0@:srM1neomensural@} [42]
@{char@:Kievan whole note@:127@:0@:5@:5@:5@:5@:0@:s0kievan@} [127]
@{char@:Neo-mensural semibrevis head@:43@:0@:6.3@:3.42233@:3.42233@:3.15001@:2.
0062@:s0neomensural@} [43]
@{char@:Mensural semiminima head@:85@:0@:3.24036@:2.80626@:2.80626@:1.62018@:1.
76411@:s2mensural@} [85]
@{char@:Kievan quarter note down@:128@:0@:5.10002@:12.5@:1.99997@:5.10002@:0@:d
2kievan@} [128]
@{char@:Neo-mensural minima head@:44@:0@:6.3@:3.42233@:3.42233@:3.15001@:2.0062
@:s1neomensural@} [44]
@{char@:Black mensural semibrevis head@:86@:0@:3.24036@:2.80626@:2.80626@:1.620
18@:1.76411@:s0blackmensural@} [86]
@{char@:Kievan quarter note up@:129@:0@:5.10002@:1.99997@:13.00003@:5.10002@:0@
:u2kievan@} [129]
@{char@:Neo-mensural semiminima head@:45@:0@:6.3@:3.42233@:3.42233@:3.15001@:2.
0062@:s2neomensural@} [45]
@{char@:Petrucci semibrevis head@:87@:0@:6.18263@:4.29349@:4.29349@:3.09132@:2.
93869@:s0petrucci@} [87]
@{char@:Kievan half note (line position)@:130@:0@:5.29999@:8.00003@:5@:5.29999@
:0@:s1kievan@} [130]Failed to change locale.

@{char@:Petrucci minima head@:88@:0@:6.18263@:4.29349@:4.29349@:3.09132@:2.9386
9@:s1petrucci@} [88]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:8.19002@:4.44905@:4.44905
@:8.19002@:0@:s0harmonic@} [46]
@{char@:Kievan half note (space position)@:131@:0@:5.50003@:5@:6.99997@:5.50003
@:0@:sr1kievan@} [131]
@{char@:Petrucci semiminima head@:89@:0@:6.18263@:4.29349@:4.29349@:3.09132@:2.
93869@:s2petrucci@} [89]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:8.19002@:4.44905@:4.4490
5@:8.19002@:0@:s2harmonic@} [47]
@{char@:Petrucci colored semibrevis head@:90@:0@:6.18263@:4.29349@:4.29349@:3.0
9132@:2.93869@:s0blackpetrucci@} [90]
@{char@:Kievan eighth note (down)@:132@:0@:6.25@:15@:2.5@:6.25@:0@:d3kievan@}
[132]
@{char@:Petrucci colored minima head@:91@:0@:6.18263@:4.29349@:4.29349@:3.09132
@:2.93869@:s1blackpetrucci@} [91]
@{char@:Mensural maxima notehead (up)@:48@:0@:12.6@:3.42233@:3.42233@:12.6@:0@:
uM3mensural@} [48]
@{char@:Petrucci colored semiminima head@:92@:0@:6.18263@:4.29349@:4.29349@:3.0
9132@:2.93869@:s2blackpetrucci@} [92]
@{char@:Kievan eighth note (up)@:133@:0@:5@:1.99997@:14.49997@:5@:0@:u3kievan@}
[133]
@{puorg@:noteheads@}
)
@{tnof@}) )
@{char@:Mensural maxima notehead (down)@:49@:0@:12.6@:3.42233@:3.42233@:12.6@:0
@:dM3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:12.6@:3.42233@:3.42233@:12.
6@:0@:sM3ligmensural@} [50]
(some charht values had to be adjusted by as much as 0.1375pt)
(some chardp values had to be adjusted by as much as 0.1375pt)
Font metrics written on parmesan-noteheads20.tfm.
101 output files written: parmesan-noteheads20.33 .. parmesan-noteheads20.133
Transcript written on parmesan-noteheads20.log.

@{char@:Ed. Vat. punctum@:93@:0@:3.0937@:1.77861@:1.93196@:3.0937@:0@:svaticana
.punctum@} [93]
@{char@:Mensural longa notehead (up)@:51@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:uM2
mensural@} [51]
@{char@:Ed. Vat. punctum cavum@:94@:0@:3.0937@:1.77861@:1.93196@:3.0937@:0@:sva
ticana.punctum.cavum@} [94]
@{char@:Mensural longa notehead (down)@:52@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:d
M2mensural@} [52]
@{char@:Ed. Vat. linea punctum@:95@:0@:4.87953@:2.14674@:2.14674@:4.87953@:0@:s
vaticana.linea.punctum@} [95]
@{char@:Mensural longa notehead (ligature)@:53@:0@:6.3@:3.42233@:3.42233@:6.3@:
0@:sM2ligmensural@} [53]
@{char@:Mensural brevis notehead@:54@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:sM1mens
ural@} [54]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:12.6@:3.42233@:3.42
233@:12.6@:0@:urM3mensural@} [55]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:4.87953@:2.14674@:2.14674@:4.87953
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:12.6@:3.42233@:3.
42233@:12.6@:0@:drM3mensural@} [56]
@{char@:Ed. Vat. inclinatum@:97@:0@:3.43585@:2.45345@:2.45345@:1.71793@:1.4113@
:svaticana.inclinatum@} [97]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:12.6@:3.42233
@:3.42233@:12.6@:0@:srM3ligmensural@} [57]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:3.0937@:1.74791@:1.71725@:3.0937@:0@
:svaticana.lpes@} [98]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:6.3@:3.42233@:3.4223
3@:6.3@:0@:urM2mensural@} [58]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:3.0937@:2.4226@:1.04256@:3.0937@
:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:3.0937@:1.71725@:1.74791@:3.0937@:0
@:svaticana.upes@} [100]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:6.3@:3.42233@:3.42
233@:6.3@:0@:drM2mensural@} [59]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:3.0937@:1.22656@:2.2386@:3.0937
@:0@:svaticana.vupes@} [101]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan-noteheads20
    font_weight:               Medium
    font_identifier:           parmesan20
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -50
    font_underline_thickness:  25
    font_name:                 parmesan-noteheads20
    font_unique_id:            4007430
    font_size:                 19.9252801992528 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=50.1875; bpppix 0.02; nonstopmode; input parmesan-noteheads20.mf'"...

@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:6.3@:3.42233@:
3.42233@:6.3@:0@:srM2ligmensural@} [60]
@{char@:Ed. Vat. plica@:102@:0@:1.85623@:1.1714@:1.2634@:1.85623@:0@:svaticana.
plica@} [102]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:6.3@:3.42233@:3.42233@:
6.3@:0@:srM1mensural@} [61]
Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan-noteheads18.pt1 parmesan-noteheads18.pfb"...

@{char@:Ed. Vat. var plica@:103@:0@:1.85623@:1.62222@:1.07016@:1.85623@:0@:svat
icana.vplica@} [103]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:12.6@:3.42233@:3.422
33@:12.6@:0@:uM3semimensural@} [62]
@{char@:Ed. Vat. epiphonus@:104@:0@:3.0937@:2.05464@:2.08531@:3.0937@:0@:svatic
ana.epiphonus@} [104]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:12.6@:3.42233@:3.4
2233@:12.6@:0@:dM3semimensural@} [63]
@{char@:Ed. Vat. var epiphonus@:105@:0@:3.0937@:2.72934@:1.41061@:3.0937@:0@:sv
aticana.vepiphonus@} [105]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:12.6@:3.42233@
:3.42233@:12.6@:0@:sM3semiligmensural@} [64]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.85623@:1.26341@:1.17139@:1.85623@:0@:sva
ticana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.85623@:1.8798@:0.81258@:1.85623@:0@:
svaticana.reverse.vplica@} [107]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:6.3@:3.42233@:3.42233
@:6.3@:0@:uM2semimensural@} [65]
Invoking "fontforge -script parmesan-noteheads18.pe parmesan-noteheads18.pfb"...

@{char@:Ed. Vat. inner cephalicus@:108@:0@:3.0937@:2.08531@:2.05464@:3.0937@:0@
:svaticana.inner.cephalicus@} [108]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:6.3@:3.42233@:3.422
33@:6.3@:0@:dM2semimensural@} [66]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:6.3@:3.42233@:3
.42233@:6.3@:0@:sM2semiligmensural@} [67]
@{char@:Ed. Vat. cephalicus@:109@:0@:3.0937@:7.0075@:2.05464@:3.0937@:0@:svatic
ana.cephalicus@} [109]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:6.3@:3.42233@:3.42233@:6.
3@:0@:sM1semimensural@} [68]
@{char@:Ed. Vat. quilisma@:110@:0@:3.0937@:1.71739@:2.20808@:3.0937@:0@:svatica
na.quilisma@} [110]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:12.6@:
3.42233@:3.42233@:12.6@:0@:urM3semimensural@} [69]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:2.1474@:1.5334@:1.5334@:1.0
737@:0.49126@:ssolesmes.incl.parvum@} [111]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:12.6
@:3.42233@:3.42233@:12.6@:0@:drM3semimensural@} [70]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:3.0937@:1.83994@:3.28134@:3.
0937@:0@:ssolesmes.auct.asc@} [112])

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads20.m
f (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
12.6@:3.42233@:3.42233@:12.6@:0@:srM3semiligmensural@} [71]
@{char@:Solesmes punctum auctum descendens@:113@:0@:3.0937@:3.28134@:1.83994@:3
.0937@:0@:ssolesmes.auct.desc@} [113]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:6.3@:3.
42233@:3.42233@:6.3@:0@:urM2semimensural@} [72] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:Solesmes punctum incl. auctum@:114@:0@:3.43585@:2.45345@:2.45345@:1.717
93@:1.4113@:ssolesmes.incl.auctum@} [114]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:6.3@:
3.42233@:3.42233@:6.3@:0@:drM2semimensural@} [73]) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Solesmes stropha@:115@:0@:3.43585@:2.45345@:2.45345@:1.71793@:1.4113@:s
solesmes.stropha@} [115]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:6
.3@:3.42233@:3.42233@:6.3@:0@:srM2semiligmensural@} [74])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:6.3@:3.422
33@:3.42233@:6.3@:0@:srM1semimensural@} [75]
@{char@:Solesmes stropha aucta@:116@:0@:3.43585@:2.45345@:2.45345@:1.71793@:1.4
113@:ssolesmes.stropha.aucta@} [116])
@{char@:Black mensural maxima notehead (up)@:76@:0@:12.6@:3.42233@:3.42233@:12.
6@:0@:uM3blackmensural@} [76]
@{font@:GNU@:LilyPond@:parmesan@:20@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:Solesmes oriscus@:117@:0@:3.683@:1.8401@:1.8401@:3.683@:0@:ssolesmes.or
iscus@} [117]
@{char@:Black mensural maxima notehead (down)@:77@:0@:12.6@:3.42233@:3.42233@:1
2.6@:0@:dM3blackmensural@} [77]
@{char@:Ed. Med. inclinatum@:118@:0@:4.71591@:3.3675@:3.3675@:2.35796@:2.32535@
:smedicaea.inclinatum@} [118]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:12.6@:3.42233@:3.4223
3@:12.6@:0@:sM3blackligmensural@} [78]
@{char@:Ed. Med. punctum@:119@:0@:4.48993@:2.80626@:2.80626@:4.48993@:0@:smedic
aea.punctum@} [119]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:13.00003@:2.75003@:2.75003@:1
3.00003@:0@:uM3neomensural@} [33]
@{char@:Ed. Med. reverse virga@:120@:0@:4.48993@:2.80626@:14.03127@:4.48993@:0@
:smedicaea.rvirga@} [120]
@{char@:Black mensural longa notehead (up)@:79@:0@:6.3@:3.42233@:3.42233@:6.3@:
0@:uM2blackmensural@} [79]
@{char@:Ed. Med. virga@:121@:0@:4.48993@:14.03127@:2.80626@:4.48993@:0@:smedica
ea.virga@} [121]
@{char@:Black mensural longa notehead (down)@:80@:0@:6.3@:3.42233@:3.42233@:6.3
@:0@:dM2blackmensural@} [80]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:13.00003@:2.75003@:2.75003@
:13.00003@:0@:dM3neomensural@} [34]
@{char@:Hufnagel punctum@:122@:0@:8.01547@:2.80626@:2.80626@:4.00774@:1.76411@:
shufnagel.punctum@} [122]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:6.3@:3.42233@:3.42233@
:6.3@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:s
M1blackmensural@} [82]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:10@:2.75003@:2.75003@:10@:0@:u
M2neomensural@} [35]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:10@:2.75003@:2.75003@:10@:0@
:dM2neomensural@} [36]
@{char@:Hufnagel virga@:123@:0@:8.01547@:8.41876@:2.80626@:8.01547@:0@:shufnage
l.virga@} [123]
@{char@:Mensural semibrevis head@:83@:0@:3.63728@:3.15001@:3.15001@:1.81865@:2.
06068@:s0mensural@} [83]
@{char@:Neo-mensural brevis notehead@:37@:0@:10@:2.75003@:2.75003@:10@:0@:sM1ne
omensural@} [37]
@{char@:Hufnagel pes lower punctum@:124@:0@:11.225@:1.96437@:1.96437@:11.225@:0
@:shufnagel.lpes@} [124]
@{char@:Mensural minima head@:84@:0@:3.63728@:3.15001@:3.15001@:1.81865@:2.0606
8@:s1mensural@} [84]
@{char@:Kievan final note@:125@:0@:7.37662@:8.41876@:8.41876@:7.37662@:0@:sM2ki
evan@} [125]
@{char@:Kievan recitative mark@:126@:0@:28.70288@:5.09143@:5.09143@:28.70288@:0
@:sM1kievan@} [126]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:13.00003@:2.750
03@:2.75003@:13.00003@:0@:urM3neomensural@} [38]
@{char@:Mensural semiminima head@:85@:0@:3.63728@:3.15001@:3.15001@:1.81865@:2.
06068@:s2mensural@} [85]
@{char@:Kievan whole note@:127@:0@:5.6125@:5.6125@:5.6125@:5.6125@:0@:s0kievan@
} [127]
@{char@:Kievan quarter note down@:128@:0@:5.72478@:14.03127@:2.24496@:5.72478@:
0@:d2kievan@} [128]
@{char@:Kievan quarter note up@:129@:0@:5.72478@:2.24496@:14.59254@:5.72478@:0@
:u2kievan@} [129]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:13.00003@:2.7
5003@:2.75003@:13.00003@:0@:drM3neomensural@} [39]
@{char@:Black mensural semibrevis head@:86@:0@:3.63728@:3.15001@:3.15001@:1.818
65@:2.06068@:s0blackmensural@} [86]Failed to change locale.

@{char@:Kievan half note (line position)@:130@:0@:5.94923@:8.98004@:5.6125@:5.9
4923@:0@:s1kievan@} [130]
@{char@:Petrucci semibrevis head@:87@:0@:6.8994@:4.79124@:4.79124@:3.4497@:3.37
51@:s0petrucci@} [87]
@{char@:Kievan half note (space position)@:131@:0@:6.17378@:5.6125@:7.85747@:6.
17378@:0@:sr1kievan@} [131]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:10@:2.75003@:2.7
5003@:10@:0@:urM2neomensural@} [40]
@{char@:Kievan eighth note (down)@:132@:0@:7.01563@:16.83751@:2.80626@:7.01563@
:0@:d3kievan@} [132]
@{char@:Petrucci minima head@:88@:0@:6.8994@:4.79124@:4.79124@:3.4497@:3.3751@:
s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:6.8994@:4.79124@:4.79124@:3.4497@:3.37
51@:s2petrucci@} [89]
@{char@:Kievan eighth note (up)@:133@:0@:5.6125@:2.24496@:16.27623@:5.6125@:0@:
u3kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.15334pt)
(some chardp values had to be adjusted by as much as 0.15332pt)
Font metrics written on parmesan-noteheads23.tfm.
101 output files written: parmesan-noteheads23.33 .. parmesan-noteheads23.133
Transcript written on parmesan-noteheads23.log.

@{char@:Petrucci colored semibrevis head@:90@:0@:6.8994@:4.79124@:4.79124@:3.44
97@:3.3751@:s0blackpetrucci@} [90]
@{char@:Petrucci colored minima head@:91@:0@:6.8994@:4.79124@:4.79124@:3.4497@:
3.3751@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:6.8994@:4.79124@:4.79124@:3.44
97@:3.3751@:s2blackpetrucci@} [92]Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.

*** Successfully generated parmesan-noteheads16.pfb! ***

@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:10@:2.75003@:2
.75003@:10@:0@:drM2neomensural@} [41]
@{char@:Ed. Vat. punctum@:93@:0@:3.45236@:1.96642@:2.13751@:3.45236@:0@:svatica
na.punctum@} [93]
@{char@:Ed. Vat. punctum cavum@:94@:0@:3.45236@:1.96642@:2.13751@:3.45236@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:10@:2.75003@:2.7500
3@:10@:0@:srM1neomensural@} [42]Failed to change locale.

@{char@:Ed. Vat. linea punctum@:95@:0@:5.42313@:2.39563@:2.39563@:5.42313@:0@:s
vaticana.linea.punctum@} [95]
@{char@:Neo-mensural semibrevis head@:43@:0@:5@:2.75003@:2.75003@:2.5@:1.44992@
:s0neomensural@} [43]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan-noteheads23
    font_weight:               Medium
    font_identifier:           parmesan22.45
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -45
    font_underline_thickness:  22
    font_name:                 parmesan-noteheads23
    font_unique_id:            4849371
    font_size:                 22.3661270236613 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=44.7104677060134; bpppix 0.02; nonstopmode; input parmesan-noteheads23.mf'"...

@{char@:Neo-mensural minima head@:44@:0@:5@:2.75003@:2.75003@:2.5@:1.44992@:s1n
eomensural@} [44]
@{char@:Neo-mensural semiminima head@:45@:0@:5@:2.75003@:2.75003@:2.5@:1.44992@
:s2neomensural@} [45]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:5.42313@:2.39563@:2.39563@:5.42313
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:6.50002@:3.57504@:3.57504
@:6.50002@:0@:s0harmonic@} [46]
@{char@:Ed. Vat. inclinatum@:97@:0@:3.83418@:2.73788@:2.73788@:1.9171@:1.64856@
:svaticana.inclinatum@} [97]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:3.45236@:1.93214@:1.89793@:3.45236@:
0@:svaticana.lpes@} [98]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:6.50002@:3.57504@:3.5750
4@:6.50002@:0@:s2harmonic@} [47]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:3.45236@:2.68506@:1.14502@:3.452
36@:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:3.45236@:1.89795@:1.93213@:3.45236@
:0@:svaticana.upes@} [100]
@{char@:Mensural maxima notehead (up)@:48@:0@:10@:2.75003@:2.75003@:10@:0@:uM3m
ensural@} [48]This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:3.45236@:1.35036@:2.47972@:3.45
236@:0@:svaticana.vupes@} [101]
@{char@:Mensural maxima notehead (down)@:49@:0@:10@:2.75003@:2.75003@:10@:0@:dM
3mensural@} [49]
@{char@:Ed. Vat. plica@:102@:0@:2.07144@:1.2888@:1.39145@:2.07144@:0@:svaticana
.plica@} [102]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:10@:2.75003@:2.75003@:10@:0
@:sM3ligmensural@} [50]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Ed. Vat. var plica@:103@:0@:2.07144@:1.79189@:1.17581@:2.07144@:0@:svat
icana.vplica@} [103])
@{char@:Mensural longa notehead (up)@:51@:0@:5@:2.75003@:2.75003@:5@:0@:uM2mens
ural@} [51]

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads23.m
f
@{char@:Ed. Vat. epiphonus@:104@:0@:3.45236@:2.27443@:2.30865@:3.45236@:0@:svat
icana.epiphonus@} [104] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
@{char@:Ed. Vat. var epiphonus@:105@:0@:3.45236@:3.02734@:1.55574@:3.45236@:0@:
svaticana.vepiphonus@} [105]
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf
@{char@:Mensural longa notehead (down)@:52@:0@:5@:2.75003@:2.75003@:5@:0@:dM2me
nsural@} [52] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:Ed. Vat. rev. plica@:106@:0@:2.07144@:1.39146@:1.28879@:2.07144@:0@:sva
ticana.reverse.plica@} [106]
@{char@:Mensural longa notehead (ligature)@:53@:0@:5@:2.75003@:2.75003@:5@:0@:s
M2ligmensural@} [53]) (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Ed. Vat. rev. var plica@:107@:0@:2.07144@:2.07933@:0.88837@:2.07144@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Mensural brevis notehead@:54@:0@:5@:2.75003@:2.75003@:5@:0@:sM1mensural
@} [54])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:Ed. Vat. inner cephalicus@:108@:0@:3.45236@:2.30867@:2.27441@:3.45236@:
0@:svaticana.inner.cephalicus@} [108])
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:10@:2.75003@:2.7500
3@:10@:0@:urM3mensural@} [55]
@{font@:GNU@:LilyPond@:parmesan@:22.45@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:Ed. Vat. cephalicus@:109@:0@:3.45236@:7.80151@:2.27441@:3.45236@:0@:sva
ticana.cephalicus@} [109]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:10@:2.75003@:2.75
003@:10@:0@:drM3mensural@} [56]
@{char@:Ed. Vat. quilisma@:110@:0@:3.45236@:1.9165@:2.46408@:3.45236@:0@:svatic
ana.quilisma@} [110]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:10@:2.75003@:
2.75003@:10@:0@:srM3ligmensural@} [57]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:2.39635@:1.71117@:1.71117@:
1.19818@:0.62184@:ssolesmes.incl.parvum@} [111]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:14.59254@:3.06679@:3.06679@:1
4.59254@:0@:uM3neomensural@} [33]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:5@:2.75003@:2.75003@
:5@:0@:urM2mensural@} [58]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:3.45236@:2.03485@:3.64333@:3
.45236@:0@:ssolesmes.auct.asc@} [112]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:5@:2.75003@:2.7500
3@:5@:0@:drM2mensural@} [59]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:14.59254@:3.06679@:3.06679@
:14.59254@:0@:dM3neomensural@} [34]
@{char@:Solesmes punctum auctum descendens@:113@:0@:3.45236@:3.64334@:2.03484@:
3.45236@:0@:ssolesmes.auct.desc@} [113]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:5@:2.75003@:2.
75003@:5@:0@:srM2ligmensural@} [60]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:11.225@:3.06679@:3.06679@:11.2
25@:0@:uM2neomensural@} [35]
@{char@:Solesmes punctum incl. auctum@:114@:0@:3.83418@:2.73788@:2.73788@:1.917
1@:1.64856@:ssolesmes.incl.auctum@} [114]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:5@:2.75003@:2.75003@:5@
:0@:srM1mensural@} [61]
@{char@:Solesmes stropha@:115@:0@:3.83418@:2.73788@:2.73788@:1.9171@:1.64856@:s
solesmes.stropha@} [115]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:11.225@:3.06679@:3.06679@:11
.225@:0@:dM2neomensural@} [36]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:10@:2.75003@:2.75003
@:10@:0@:uM3semimensural@} [62]
@{char@:Neo-mensural brevis notehead@:37@:0@:11.225@:3.06679@:3.06679@:11.225@:
0@:sM1neomensural@} [37]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:10@:2.75003@:2.750
03@:10@:0@:dM3semimensural@} [63]
@{char@:Solesmes stropha aucta@:116@:0@:3.83418@:2.73788@:2.73788@:1.9171@:1.64
856@:ssolesmes.stropha.aucta@} [116]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:10@:2.75003@:2
.75003@:10@:0@:sM3semiligmensural@} [64]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:14.59254@:3.066
79@:3.06679@:14.59254@:0@:urM3neomensural@} [38]
@{char@:Solesmes oriscus@:117@:0@:4.10999@:2.05342@:2.05342@:4.10999@:0@:ssoles
mes.oriscus@} [117]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:5@:2.75003@:2.75003@:
5@:0@:uM2semimensural@} [65]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:14.59254@:3.0
6679@:3.06679@:14.59254@:0@:drM3neomensural@} [39]
@{char@:Ed. Med. inclinatum@:118@:0@:5.29358@:3.78@:3.78@:2.64679@:2.69067@:sme
dicaea.inclinatum@} [118]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:5@:2.75003@:2.75003
@:5@:0@:dM2semimensural@} [66]
@{char@:Ed. Med. punctum@:119@:0@:5.03993@:3.15001@:3.15001@:5.03993@:0@:smedic
aea.punctum@} [119]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:11.225@:3.06679@
:3.06679@:11.225@:0@:urM2neomensural@} [40]
@{char@:Ed. Med. reverse virga@:120@:0@:5.03993@:3.15001@:15.75002@:5.03993@:0@
:smedicaea.rvirga@} [120]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:5@:2.75003@:2.7
5003@:5@:0@:sM2semiligmensural@} [67]
@{char@:Ed. Med. virga@:121@:0@:5.03993@:15.75002@:3.15001@:5.03993@:0@:smedica
ea.virga@} [121]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:5@:2.75003@:2.75003@:5@:0
@:sM1semimensural@} [68]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:11.225@:3.0667
9@:3.06679@:11.225@:0@:drM2neomensural@} [41]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:11.225@:3.06679@:3.
06679@:11.225@:0@:srM1neomensural@} [42]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:10@:2.
75003@:2.75003@:10@:0@:urM3semimensural@} [69]
@{char@:Hufnagel punctum@:122@:0@:8.99733@:3.15001@:3.15001@:4.49867@:2.06068@:
shufnagel.punctum@} [122]
@{char@:Neo-mensural semibrevis head@:43@:0@:5.6125@:3.06679@:3.06679@:2.80626@
:1.71199@:s0neomensural@} [43]
@{char@:Neo-mensural minima head@:44@:0@:5.6125@:3.06679@:3.06679@:2.80626@:1.7
1199@:s1neomensural@} [44]
@{char@:Hufnagel virga@:123@:0@:8.99733@:9.45001@:3.15001@:8.99733@:0@:shufnage
l.virga@} [123]
@{char@:Neo-mensural semiminima head@:45@:0@:5.6125@:3.06679@:3.06679@:2.80626@
:1.71199@:s2neomensural@} [45]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:7.29626@:3.98683@:3.98683
@:7.29626@:0@:s0harmonic@} [46]
@{char@:Hufnagel pes lower punctum@:124@:0@:12.6@:2.205@:2.205@:12.6@:0@:shufna
gel.lpes@} [124]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:7.29626@:3.98683@:3.9868
3@:7.29626@:0@:s2harmonic@} [47]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:10@:
2.75003@:2.75003@:10@:0@:drM3semimensural@} [70]
@{char@:Mensural maxima notehead (up)@:48@:0@:11.225@:3.06679@:3.06679@:11.225@
:0@:uM3mensural@} [48]
@{char@:Kievan final note@:125@:0@:8.36069@:9.45001@:9.45001@:8.36069@:0@:sM2ki
evan@} [125]
@{char@:Mensural maxima notehead (down)@:49@:0@:11.225@:3.06679@:3.06679@:11.22
5@:0@:dM3mensural@} [49]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:11.225@:3.06679@:3.06679@:1
1.225@:0@:sM3ligmensural@} [50]
@{char@:Kievan recitative mark@:126@:0@:31.73596@:5.75534@:5.75534@:31.73596@:0
@:sM1kievan@} [126]
@{char@:Mensural longa notehead (up)@:51@:0@:5.6125@:3.06679@:3.06679@:5.6125@:
0@:uM2mensural@} [51]
@{char@:Kievan whole note@:127@:0@:6.3@:6.3@:6.3@:6.3@:0@:s0kievan@} [127]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
10@:2.75003@:2.75003@:10@:0@:srM3semiligmensural@} [71]
@{char@:Mensural longa notehead (down)@:52@:0@:5.6125@:3.06679@:3.06679@:5.6125
@:0@:dM2mensural@} [52]
@{char@:Kievan quarter note down@:128@:0@:6.42603@:15.75002@:2.51996@:6.42603@:
0@:d2kievan@} [128]
@{char@:Mensural longa notehead (ligature)@:53@:0@:5.6125@:3.06679@:3.06679@:5.
6125@:0@:sM2ligmensural@} [53]
@{char@:Kievan quarter note up@:129@:0@:6.42603@:2.51996@:16.38005@:6.42603@:0@
:u2kievan@} [129]
@{char@:Mensural brevis notehead@:54@:0@:5.6125@:3.06679@:3.06679@:5.6125@:0@:s
M1mensural@} [54]
@{char@:Kievan half note (line position)@:130@:0@:6.678@:10.08005@:6.3@:6.678@:
0@:s1kievan@} [130]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:5@:2.75
003@:2.75003@:5@:0@:urM2semimensural@} [72]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:11.225@:3.06679@:3.
06679@:11.225@:0@:urM3mensural@} [55]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:11.225@:3.06679@:
3.06679@:11.225@:0@:drM3mensural@} [56]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:5@:2.
75003@:2.75003@:5@:0@:drM2semimensural@} [73]
@{char@:Kievan half note (space position)@:131@:0@:6.93004@:6.3@:8.81996@:6.930
04@:0@:sr1kievan@} [131]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:11.225@:3.066
79@:3.06679@:11.225@:0@:srM3ligmensural@} [57]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:5
@:2.75003@:2.75003@:5@:0@:srM2semiligmensural@} [74]
@{char@:Kievan eighth note (down)@:132@:0@:7.875@:18.90001@:3.15001@:7.875@:0@:
d3kievan@} [132]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:5@:2.75003
@:2.75003@:5@:0@:srM1semimensural@} [75]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:5.6125@:3.06679@:3.0
6679@:5.6125@:0@:urM2mensural@} [58]
@{char@:Kievan eighth note (up)@:133@:0@:6.3@:2.51996@:18.26997@:6.3@:0@:u3kiev
an@} [133]
@{char@:Black mensural maxima notehead (up)@:76@:0@:10@:2.75003@:2.75003@:10@:0
@:uM3blackmensural@} [76]
@{puorg@:noteheads@}
)
@{tnof@}) )
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:5.6125@:3.06679@:3
.06679@:5.6125@:0@:drM2mensural@} [59]
@{char@:Black mensural maxima notehead (down)@:77@:0@:10@:2.75003@:2.75003@:10@
:0@:dM3blackmensural@} [77]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:5.6125@:3.0667
9@:3.06679@:5.6125@:0@:srM2ligmensural@} [60]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:10@:2.75003@:2.75003@
:10@:0@:sM3blackligmensural@} [78]
(some charht values had to be adjusted by as much as 0.17111pt)
(some chardp values had to be adjusted by as much as 0.1711pt)
Font metrics written on parmesan-noteheads26.tfm.
101 output files written: parmesan-noteheads26.33 .. parmesan-noteheads26.133
Transcript written on parmesan-noteheads26.log.

@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:5.6125@:3.06679@:3.0667
9@:5.6125@:0@:srM1mensural@} [61]
@{char@:Black mensural longa notehead (up)@:79@:0@:5@:2.75003@:2.75003@:5@:0@:u
M2blackmensural@} [79]
@{char@:Black mensural longa notehead (down)@:80@:0@:5@:2.75003@:2.75003@:5@:0@
:dM2blackmensural@} [80]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:11.225@:3.06679@:3.0
6679@:11.225@:0@:uM3semimensural@} [62]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:5@:2.75003@:2.75003@:5
@:0@:sM2blackligmensural@} [81]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:11.225@:3.06679@:3
.06679@:11.225@:0@:dM3semimensural@} [63]
@{char@:Black mensural brevis notehead@:82@:0@:5@:2.75003@:2.75003@:5@:0@:sM1bl
ackmensural@} [82]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:11.225@:3.0667
9@:3.06679@:11.225@:0@:sM3semiligmensural@} [64]
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:5.6125@:3.06679@:3.06
679@:5.6125@:0@:uM2semimensural@} [65]
@{char@:Mensural semibrevis head@:83@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49991@:s
0mensural@} [83]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:5.6125@:3.06679@:3.
06679@:5.6125@:0@:dM2semimensural@} [66]
@{char@:Mensural minima head@:84@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49991@:s1men
sural@} [84]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:5.6125@:3.06679
@:3.06679@:5.6125@:0@:sM2semiligmensural@} [67]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:5.6125@:3.06679@:3.06679@
:5.6125@:0@:sM1semimensural@} [68]
@{char@:Mensural semiminima head@:85@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49991@:s
2mensural@} [85]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:11.225
@:3.06679@:3.06679@:11.225@:0@:urM3semimensural@} [69]
@{char@:Black mensural semibrevis head@:86@:0@:2.88673@:2.5@:2.5@:1.44337@:1.49
991@:s0blackmensural@} [86]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:11.2
25@:3.06679@:3.06679@:11.225@:0@:drM3semimensural@} [70]
@{char@:Petrucci semibrevis head@:87@:0@:5.54402@:3.85002@:3.85002@:2.77202@:2.
54991@:s0petrucci@} [87]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
11.225@:3.06679@:3.06679@:11.225@:0@:srM3semiligmensural@} [71]
@{char@:Petrucci minima head@:88@:0@:5.54402@:3.85002@:3.85002@:2.77202@:2.5499
1@:s1petrucci@} [88]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:5.6125@
:3.06679@:3.06679@:5.6125@:0@:urM2semimensural@} [72]
mf2pt1 is using the following font parameters:
    font_version:              001.000
    font_comment:              Font converted to Type 1 by mf2pt1, written by Scott Pakin.
    font_family:               parmesan-noteheads26
    font_weight:               Medium
    font_identifier:           parmesan25.2
    font_fixed_pitch:          false
    font_slant:                0
    font_underline_position:   -40
    font_underline_thickness:  20
    font_name:                 parmesan-noteheads26
    font_unique_id:            4588113
    font_size:                 25.1058530510585 (bp)
    font_coding_scheme:        asis

Invoking "mpost -mem=mf2pt1 -progname=mpost '\mode:=localfont; mag:=39.8313492063492; bpppix 0.02; nonstopmode; input parmesan-noteheads26.mf'"...

@{char@:Petrucci semiminima head@:89@:0@:5.54402@:3.85002@:3.85002@:2.77202@:2.
54991@:s2petrucci@} [89]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:5.612
5@:3.06679@:3.06679@:5.6125@:0@:drM2semimensural@} [73]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:5
.6125@:3.06679@:3.06679@:5.6125@:0@:srM2semiligmensural@} [74]
@{char@:Petrucci colored semibrevis head@:90@:0@:5.54402@:3.85002@:3.85002@:2.7
7202@:2.54991@:s0blackpetrucci@} [90]
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:5.6125@:3.
06679@:3.06679@:5.6125@:0@:srM1semimensural@} [75]Failed to change locale.

@{char@:Petrucci colored minima head@:91@:0@:5.54402@:3.85002@:3.85002@:2.77202
@:2.54991@:s1blackpetrucci@} [91]
@{char@:Black mensural maxima notehead (up)@:76@:0@:11.225@:3.06679@:3.06679@:1
1.225@:0@:uM3blackmensural@} [76]
@{char@:Petrucci colored semiminima head@:92@:0@:5.54402@:3.85002@:3.85002@:2.7
7202@:2.54991@:s2blackpetrucci@} [92]
@{char@:Black mensural maxima notehead (down)@:77@:0@:11.225@:3.06679@:3.06679@
:11.225@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:11.225@:3.06679@:3.06
679@:11.225@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:5.6125@:3.06679@:3.06679@:5.
6125@:0@:uM2blackmensural@} [79]
@{char@:Ed. Vat. punctum@:93@:0@:2.77415@:1.6113@:1.74881@:2.77415@:0@:svatican
a.punctum@} [93]
@{char@:Black mensural longa notehead (down)@:80@:0@:5.6125@:3.06679@:3.06679@:
5.6125@:0@:dM2blackmensural@} [80]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:5.6125@:3.06679@:3.066
79@:5.6125@:0@:sM2blackligmensural@} [81]
@{char@:Ed. Vat. punctum cavum@:94@:0@:2.77415@:1.6113@:1.74881@:2.77415@:0@:sv
aticana.punctum.cavum@} [94]
@{char@:Black mensural brevis notehead@:82@:0@:5.6125@:3.06679@:3.06679@:5.6125
@:0@:sM1blackmensural@} [82]Failed to change locale.
This is MetaPost, version 2.00 (TeX Live 2021/pkgsrc) (kpathsea version 6.3.3)
(./mf2pt1.mp
@{char@:Mensural semibrevis head@:83@:0@:3.24036@:2.80626@:2.80626@:1.62018@:1.
76411@:s0mensural@} [83]
@{char@:Ed. Vat. linea punctum@:95@:0@:4.39519@:1.92502@:1.92502@:4.39519@:0@:s
vaticana.linea.punctum@} [95] (/usr/pkg/share/texmf-dist/metapost/base/mfplain.mp
@{char@:Mensural minima head@:84@:0@:3.24036@:2.80626@:2.80626@:1.62018@:1.7641
1@:s1mensural@} [84]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:4.39519@:1.92502@:1.92502@:4.39519
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Mensural semiminima head@:85@:0@:3.24036@:2.80626@:2.80626@:1.62018@:1.
76411@:s2mensural@} [85]
@{char@:Ed. Vat. inclinatum@:97@:0@:3.08096@:2.20003@:2.20003@:1.54048@:1.19994
@:svaticana.inclinatum@} [97]
*** Successfully generated parmesan-noteheads18.pfb! ***

@{char@:Ed. Vat. pes lower punctum@:98@:0@:2.77415@:1.58377@:1.55629@:2.77415@:
0@:svaticana.lpes@} [98]
Preloading the plain base, version 0.99: preliminaries,
 basic constants and mathematical macros,
 macros for converting units,
 macros and tables for various modes of operation,
 macros for drawing and filling,
 macros for proof labels and rules,
 macros for character and font administration,
and a few last-minute items.)
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:2.77415@:2.18878@:0.95128@:2.774
15@:0@:svaticana.vlpes@} [99]
@{char@:Black mensural semibrevis head@:86@:0@:3.24036@:2.80626@:2.80626@:1.620
18@:1.76411@:s0blackmensural@} [86]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:2.77415@:1.55629@:1.58377@:2.77415@
:0@:svaticana.upes@} [100])
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:2.77415@:1.11627@:2.02379@:2.77
415@:0@:svaticana.vupes@} [101]

(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads26.m
f
@{char@:Petrucci semibrevis head@:87@:0@:6.18263@:4.29349@:4.29349@:3.09132@:2.
93869@:s0petrucci@} [87] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-autometric.mf
@{char@:Ed. Vat. plica@:102@:0@:1.66452@:1.06682@:1.14929@:1.66452@:0@:svatican
a.plica@} [102]
******************************************************
Using feta Autometric macros.
order of messages: 
 NAME/CODE/BP/WD/DP/HT/WX/WY
******************************************************
)
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads-gen
eric.mf (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-macros.mf

@{char@:Ed. Vat. var plica@:103@:0@:1.66452@:1.47107@:0.97603@:1.66452@:0@:svat
icana.vplica@} [103]
@{char@:Petrucci minima head@:88@:0@:6.18263@:4.29349@:4.29349@:3.09132@:2.9386
9@:s1petrucci@} [88]
*** Successfully generated parmesan20.pfb! ***
)
@{char@:Ed. Vat. epiphonus@:104@:0@:2.77415@:1.85881@:1.88632@:2.77415@:0@:svat
icana.epiphonus@} [104] (/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/feta-params.mf
@{char@:Ed. Vat. var epiphonus@:105@:0@:2.77415@:2.46382@:1.28131@:2.77415@:0@:
svaticana.vepiphonus@} [105])
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-macros.mf
@{char@:Petrucci semiminima head@:89@:0@:6.18263@:4.29349@:4.29349@:3.09132@:2.
93869@:s2petrucci@} [89]
@{char@:Petrucci colored semibrevis head@:90@:0@:6.18263@:4.29349@:4.29349@:3.0
9132@:2.93869@:s0blackpetrucci@} [90])
@{char@:Ed. Vat. rev. plica@:106@:0@:1.66452@:1.1493@:1.0668@:1.66452@:0@:svati
cana.reverse.plica@} [106]
@{font@:GNU@:LilyPond@:parmesan@:25.2@:parmesanMusic@}
(/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf/parmesan-noteheads.mf
@{char@:Petrucci colored minima head@:91@:0@:6.18263@:4.29349@:4.29349@:3.09132
@:2.93869@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:6.18263@:4.29349@:4.29349@:3.0
9132@:2.93869@:s2blackpetrucci@} [92]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.66452@:1.70206@:0.74504@:1.66452@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:2.77415@:1.88632@:1.85881@:2.77415@:
0@:svaticana.inner.cephalicus@} [108]
@{group@:noteheads@}
@{char@:Neo-mensural maxima notehead (up)@:33@:0@:16.38005@:3.42233@:3.42233@:1
6.38005@:0@:uM3neomensural@} [33]
@{char@:Ed. Vat. punctum@:93@:0@:3.0937@:1.77861@:1.93196@:3.0937@:0@:svaticana
.punctum@} [93]
@{char@:Ed. Vat. cephalicus@:109@:0@:2.77415@:6.30011@:1.85881@:2.77415@:0@:sva
ticana.cephalicus@} [109]
@{char@:Neo-mensural maxima notehead (down)@:34@:0@:16.38005@:3.42233@:3.42233@
:16.38005@:0@:dM3neomensural@} [34]
@{char@:Ed. Vat. punctum cavum@:94@:0@:3.0937@:1.77861@:1.93196@:3.0937@:0@:sva
ticana.punctum.cavum@} [94]
@{char@:Ed. Vat. quilisma@:110@:0@:2.77415@:1.54001@:1.98003@:2.77415@:0@:svati
cana.quilisma@} [110]
@{char@:Neo-mensural longa notehead (up)@:35@:0@:12.6@:3.42233@:3.42233@:12.6@:
0@:uM2neomensural@} [35]
@{char@:Ed. Vat. linea punctum@:95@:0@:4.87953@:2.14674@:2.14674@:4.87953@:0@:s
vaticana.linea.punctum@} [95]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:4.87953@:2.14674@:2.14674@:4.87953
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:1.9256@:1.37502@:1.37502@:0
.9628@:0.37492@:ssolesmes.incl.parvum@} [111]
@{char@:Neo-mensural longa notehead (down)@:36@:0@:12.6@:3.42233@:3.42233@:12.6
@:0@:dM2neomensural@} [36]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:2.77415@:1.66629@:2.9588@:2.
77415@:0@:ssolesmes.auct.asc@} [112]
@{char@:Neo-mensural brevis notehead@:37@:0@:12.6@:3.42233@:3.42233@:12.6@:0@:s
M1neomensural@} [37]
@{char@:Ed. Vat. inclinatum@:97@:0@:3.43585@:2.45345@:2.45345@:1.71793@:1.4113@
:svaticana.inclinatum@} [97]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:3.0937@:1.74791@:1.71725@:3.0937@:0@
:svaticana.lpes@} [98]
@{char@:Solesmes punctum auctum descendens@:113@:0@:2.77415@:2.9588@:1.66629@:2
.77415@:0@:ssolesmes.auct.desc@} [113]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:3.0937@:2.4226@:1.04256@:3.0937@
:0@:svaticana.vlpes@} [99]
@{char@:Neo-mensural maxima notehead (up, reduced hole)@:38@:0@:16.38005@:3.422
33@:3.42233@:16.38005@:0@:urM3neomensural@} [38]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:3.0937@:1.71725@:1.74791@:3.0937@:0
@:svaticana.upes@} [100]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:3.0937@:1.22656@:2.2386@:3.0937
@:0@:svaticana.vupes@} [101]
@{char@:Solesmes punctum incl. auctum@:114@:0@:3.08096@:2.20003@:2.20003@:1.540
48@:1.19994@:ssolesmes.incl.auctum@} [114]
@{char@:Neo-mensural maxima notehead (down, reduced hole)@:39@:0@:16.38005@:3.4
2233@:3.42233@:16.38005@:0@:drM3neomensural@} [39]
@{char@:Ed. Vat. plica@:102@:0@:1.85623@:1.1714@:1.2634@:1.85623@:0@:svaticana.
plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:1.85623@:1.62222@:1.07016@:1.85623@:0@:svat
icana.vplica@} [103]
@{char@:Solesmes stropha@:115@:0@:3.08096@:2.20003@:2.20003@:1.54048@:1.19994@:
ssolesmes.stropha@} [115]
@{char@:Ed. Vat. epiphonus@:104@:0@:3.0937@:2.05464@:2.08531@:3.0937@:0@:svatic
ana.epiphonus@} [104]
@{char@:Neo-mensural longa notehead (up, reduced hole)@:40@:0@:12.6@:3.42233@:3
.42233@:12.6@:0@:urM2neomensural@} [40]
@{char@:Ed. Vat. var epiphonus@:105@:0@:3.0937@:2.72934@:1.41061@:3.0937@:0@:sv
aticana.vepiphonus@} [105]
@{char@:Solesmes stropha aucta@:116@:0@:3.08096@:2.20003@:2.20003@:1.54048@:1.1
9994@:ssolesmes.stropha.aucta@} [116]
@{char@:Ed. Vat. rev. plica@:106@:0@:1.85623@:1.26341@:1.17139@:1.85623@:0@:sva
ticana.reverse.plica@} [106]
@{char@:Neo-mensural longa notehead (down, reduced hole)@:41@:0@:12.6@:3.42233@
:3.42233@:12.6@:0@:drM2neomensural@} [41]
@{char@:Ed. Vat. rev. var plica@:107@:0@:1.85623@:1.8798@:0.81258@:1.85623@:0@:
svaticana.reverse.vplica@} [107]
@{char@:Solesmes oriscus@:117@:0@:3.30258@:1.65004@:1.65004@:3.30258@:0@:ssoles
mes.oriscus@} [117]
@{char@:Neo-mensural brevis notehead (reduced hole)@:42@:0@:12.6@:3.42233@:3.42
233@:12.6@:0@:srM1neomensural@} [42]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:3.0937@:2.08531@:2.05464@:3.0937@:0@
:svaticana.inner.cephalicus@} [108]
@{char@:Neo-mensural semibrevis head@:43@:0@:6.3@:3.42233@:3.42233@:3.15001@:2.
0062@:s0neomensural@} [43]
@{char@:Ed. Med. inclinatum@:118@:0@:4.20125@:3@:3@:2.10063@:1.99991@:smedicaea
.inclinatum@} [118]
@{char@:Ed. Vat. cephalicus@:109@:0@:3.0937@:7.0075@:2.05464@:3.0937@:0@:svatic
ana.cephalicus@} [109]
@{char@:Neo-mensural minima head@:44@:0@:6.3@:3.42233@:3.42233@:3.15001@:2.0062
@:s1neomensural@} [44]
@{char@:Ed. Med. punctum@:119@:0@:3.99994@:2.5@:2.5@:3.99994@:0@:smedicaea.punc
tum@} [119]
@{char@:Neo-mensural semiminima head@:45@:0@:6.3@:3.42233@:3.42233@:3.15001@:2.
0062@:s2neomensural@} [45]
@{char@:Ed. Vat. quilisma@:110@:0@:3.0937@:1.71739@:2.20808@:3.0937@:0@:svatica
na.quilisma@} [110]
@{char@:Ed. Med. reverse virga@:120@:0@:3.99994@:2.5@:12.5@:3.99994@:0@:smedica
ea.rvirga@} [120]
@{char@:Harmonic notehead (Neo-mensural open)@:46@:0@:8.19002@:4.44905@:4.44905
@:8.19002@:0@:s0harmonic@} [46]
@{char@:Ed. Med. virga@:121@:0@:3.99994@:12.5@:2.5@:3.99994@:0@:smedicaea.virga
@} [121]
@{char@:Harmonic notehead (Neo-mensural black)@:47@:0@:8.19002@:4.44905@:4.4490
5@:8.19002@:0@:s2harmonic@} [47]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:2.1474@:1.5334@:1.5334@:1.0
737@:0.49126@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:3.0937@:1.83994@:3.28134@:3.
0937@:0@:ssolesmes.auct.asc@} [112]
@{char@:Solesmes punctum auctum descendens@:113@:0@:3.0937@:3.28134@:1.83994@:3
.0937@:0@:ssolesmes.auct.desc@} [113]
@{char@:Mensural maxima notehead (up)@:48@:0@:12.6@:3.42233@:3.42233@:12.6@:0@:
uM3mensural@} [48]
@{char@:Hufnagel punctum@:122@:0@:7.14073@:2.5@:2.5@:3.57037@:1.49991@:shufnage
l.punctum@} [122]
@{char@:Mensural maxima notehead (down)@:49@:0@:12.6@:3.42233@:3.42233@:12.6@:0
@:dM3mensural@} [49]
@{char@:Solesmes punctum incl. auctum@:114@:0@:3.43585@:2.45345@:2.45345@:1.717
93@:1.4113@:ssolesmes.incl.auctum@} [114]
@{char@:Mensural maxima notehead (ligature)@:50@:0@:12.6@:3.42233@:3.42233@:12.
6@:0@:sM3ligmensural@} [50]
@{char@:Solesmes stropha@:115@:0@:3.43585@:2.45345@:2.45345@:1.71793@:1.4113@:s
solesmes.stropha@} [115]
@{char@:Hufnagel virga@:123@:0@:7.14073@:7.5@:2.5@:7.14073@:0@:shufnagel.virga@
} [123]
@{char@:Mensural longa notehead (up)@:51@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:uM2
mensural@} [51]
@{char@:Solesmes stropha aucta@:116@:0@:3.43585@:2.45345@:2.45345@:1.71793@:1.4
113@:ssolesmes.stropha.aucta@} [116]
@{char@:Solesmes oriscus@:117@:0@:3.683@:1.8401@:1.8401@:3.683@:0@:ssolesmes.or
iscus@} [117]
@{char@:Hufnagel pes lower punctum@:124@:0@:10@:1.75@:1.75@:10@:0@:shufnagel.lp
es@} [124]
@{char@:Mensural longa notehead (down)@:52@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:d
M2mensural@} [52]
@{char@:Ed. Med. inclinatum@:118@:0@:4.71591@:3.3675@:3.3675@:2.35796@:2.32535@
:smedicaea.inclinatum@} [118]
@{char@:Kievan final note@:125@:0@:6.49991@:7.5@:7.5@:6.49991@:0@:sM2kievan@}
[125]
@{char@:Mensural longa notehead (ligature)@:53@:0@:6.3@:3.42233@:3.42233@:6.3@:
0@:sM2ligmensural@} [53]
@{char@:Ed. Med. punctum@:119@:0@:4.48993@:2.80626@:2.80626@:4.48993@:0@:smedic
aea.punctum@} [119]
@{char@:Mensural brevis notehead@:54@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:sM1mens
ural@} [54]
@{char@:Kievan recitative mark@:126@:0@:26.00055@:4.49995@:4.49995@:26.00055@:0
@:sM1kievan@} [126]
@{char@:Ed. Med. reverse virga@:120@:0@:4.48993@:2.80626@:14.03127@:4.48993@:0@
:smedicaea.rvirga@} [120]
@{char@:Mensural maxima notehead (up, reduced hole)@:55@:0@:12.6@:3.42233@:3.42
233@:12.6@:0@:urM3mensural@} [55]
@{char@:Ed. Med. virga@:121@:0@:4.48993@:14.03127@:2.80626@:4.48993@:0@:smedica
ea.virga@} [121]
@{char@:Mensural maxima notehead (down, reduced hole)@:56@:0@:12.6@:3.42233@:3.
42233@:12.6@:0@:drM3mensural@} [56]
@{char@:Mensural maxima notehead (ligature, reduced hole)@:57@:0@:12.6@:3.42233
@:3.42233@:12.6@:0@:srM3ligmensural@} [57]
@{char@:Kievan whole note@:127@:0@:5@:5@:5@:5@:0@:s0kievan@} [127]
@{char@:Hufnagel punctum@:122@:0@:8.01547@:2.80626@:2.80626@:4.00774@:1.76411@:
shufnagel.punctum@} [122]
@{char@:Mensural longa notehead (up, reduced hole)@:58@:0@:6.3@:3.42233@:3.4223
3@:6.3@:0@:urM2mensural@} [58]
@{char@:Hufnagel virga@:123@:0@:8.01547@:8.41876@:2.80626@:8.01547@:0@:shufnage
l.virga@} [123]
@{char@:Mensural longa notehead (down, reduced hole)@:59@:0@:6.3@:3.42233@:3.42
233@:6.3@:0@:drM2mensural@} [59]
@{char@:Mensural longa notehead (ligature, reduced hole)@:60@:0@:6.3@:3.42233@:
3.42233@:6.3@:0@:srM2ligmensural@} [60]
@{char@:Hufnagel pes lower punctum@:124@:0@:11.225@:1.96437@:1.96437@:11.225@:0
@:shufnagel.lpes@} [124]
@{char@:Kievan quarter note down@:128@:0@:5.10002@:12.5@:1.99997@:5.10002@:0@:d
2kievan@} [128]
@{char@:Mensural brevis notehead (reduced hole)@:61@:0@:6.3@:3.42233@:3.42233@:
6.3@:0@:srM1mensural@} [61]
@{char@:Kievan final note@:125@:0@:7.37662@:8.41876@:8.41876@:7.37662@:0@:sM2ki
evan@} [125]
@{char@:Kievan quarter note up@:129@:0@:5.10002@:1.99997@:13.00003@:5.10002@:0@
:u2kievan@} [129]
@{char@:Semi-colored mensural maxima notehead (up)@:62@:0@:12.6@:3.42233@:3.422
33@:12.6@:0@:uM3semimensural@} [62]
@{char@:Kievan half note (line position)@:130@:0@:5.29999@:8.00003@:5@:5.29999@
:0@:s1kievan@} [130]
@{char@:Kievan recitative mark@:126@:0@:28.70288@:5.09143@:5.09143@:28.70288@:0
@:sM1kievan@} [126]
@{char@:Semi-colored mensural maxima notehead (down)@:63@:0@:12.6@:3.42233@:3.4
2233@:12.6@:0@:dM3semimensural@} [63]
@{char@:Kievan half note (space position)@:131@:0@:5.50003@:5@:6.99997@:5.50003
@:0@:sr1kievan@} [131]
@{char@:Kievan whole note@:127@:0@:5.6125@:5.6125@:5.6125@:5.6125@:0@:s0kievan@
} [127]
@{char@:Semi-colored mensural maxima notehead (ligature)@:64@:0@:12.6@:3.42233@
:3.42233@:12.6@:0@:sM3semiligmensural@} [64]
@{char@:Kievan eighth note (down)@:132@:0@:6.25@:15@:2.5@:6.25@:0@:d3kievan@}
[132]
@{char@:Kievan quarter note down@:128@:0@:5.72478@:14.03127@:2.24496@:5.72478@:
0@:d2kievan@} [128]
@{char@:Kievan eighth note (up)@:133@:0@:5@:1.99997@:14.49997@:5@:0@:u3kievan@}
[133]
@{puorg@:noteheads@}
)
@{tnof@}) )
@{char@:Semi-colored mensural longa notehead (up)@:65@:0@:6.3@:3.42233@:3.42233
@:6.3@:0@:uM2semimensural@} [65]
@{char@:Kievan quarter note up@:129@:0@:5.72478@:2.24496@:14.59254@:5.72478@:0@
:u2kievan@} [129]
@{char@:Kievan half note (line position)@:130@:0@:5.94923@:8.98004@:5.6125@:5.9
4923@:0@:s1kievan@} [130]
@{char@:Semi-colored mensural longa notehead (down)@:66@:0@:6.3@:3.42233@:3.422
33@:6.3@:0@:dM2semimensural@} [66]
(some charht values had to be adjusted by as much as 0.1375pt)
(some chardp values had to be adjusted by as much as 0.1375pt)
Font metrics written on parmesan-noteheads20.tfm.
101 output files written: parmesan-noteheads20.33 .. parmesan-noteheads20.133
Transcript written on parmesan-noteheads20.log.

@{char@:Kievan half note (space position)@:131@:0@:6.17378@:5.6125@:7.85747@:6.
17378@:0@:sr1kievan@} [131]
@{char@:Semi-colored mensural longa notehead (ligature)@:67@:0@:6.3@:3.42233@:3
.42233@:6.3@:0@:sM2semiligmensural@} [67]
@{char@:Kievan eighth note (down)@:132@:0@:7.01563@:16.83751@:2.80626@:7.01563@
:0@:d3kievan@} [132]
@{char@:Semi-colored mensural brevis notehead@:68@:0@:6.3@:3.42233@:3.42233@:6.
3@:0@:sM1semimensural@} [68]
@{char@:Semi-colored mensural maxima notehead (up, reduced hole)@:69@:0@:12.6@:
3.42233@:3.42233@:12.6@:0@:urM3semimensural@} [69]
@{char@:Semi-colored mensural maxima notehead (down, reduced hole)@:70@:0@:12.6
@:3.42233@:3.42233@:12.6@:0@:drM3semimensural@} [70]
@{char@:Semi-colored mensural maxima notehead (ligature, reduced hole)@:71@:0@:
12.6@:3.42233@:3.42233@:12.6@:0@:srM3semiligmensural@} [71]
@{char@:Semi-colored mensural longa notehead (up, reduced hole)@:72@:0@:6.3@:3.
42233@:3.42233@:6.3@:0@:urM2semimensural@} [72]
@{char@:Semi-colored mensural longa notehead (down, reduced hole)@:73@:0@:6.3@:
3.42233@:3.42233@:6.3@:0@:drM2semimensural@} [73]
@{char@:Semi-colored mensural longa notehead (ligature, reduced hole)@:74@:0@:6
.3@:3.42233@:3.42233@:6.3@:0@:srM2semiligmensural@} [74]
@{char@:Kievan eighth note (up)@:133@:0@:5.6125@:2.24496@:16.27623@:5.6125@:0@:
u3kievan@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
@{char@:Semi-colored mensural brevis notehead (reduced hole)@:75@:0@:6.3@:3.422
33@:3.42233@:6.3@:0@:srM1semimensural@} [75]
(some charht values had to be adjusted by as much as 0.15334pt)
(some chardp values had to be adjusted by as much as 0.15332pt)
Font metrics written on parmesan-noteheads23.tfm.
101 output files written: parmesan-noteheads23.33 .. parmesan-noteheads23.133
Transcript written on parmesan-noteheads23.log.

@{char@:Black mensural maxima notehead (up)@:76@:0@:12.6@:3.42233@:3.42233@:12.
6@:0@:uM3blackmensural@} [76]
@{char@:Black mensural maxima notehead (down)@:77@:0@:12.6@:3.42233@:3.42233@:1
2.6@:0@:dM3blackmensural@} [77]
@{char@:Black mensural maxima notehead (ligature)@:78@:0@:12.6@:3.42233@:3.4223
3@:12.6@:0@:sM3blackligmensural@} [78]
@{char@:Black mensural longa notehead (up)@:79@:0@:6.3@:3.42233@:3.42233@:6.3@:
0@:uM2blackmensural@} [79]
@{char@:Black mensural longa notehead (down)@:80@:0@:6.3@:3.42233@:3.42233@:6.3
@:0@:dM2blackmensural@} [80]
@{char@:Black mensural longa notehead (ligature)@:81@:0@:6.3@:3.42233@:3.42233@
:6.3@:0@:sM2blackligmensural@} [81]
@{char@:Black mensural brevis notehead@:82@:0@:6.3@:3.42233@:3.42233@:6.3@:0@:s
M1blackmensural@} [82]
@{char@:Mensural semibrevis head@:83@:0@:3.63728@:3.15001@:3.15001@:1.81865@:2.
06068@:s0mensural@} [83]
@{char@:Mensural minima head@:84@:0@:3.63728@:3.15001@:3.15001@:1.81865@:2.0606
8@:s1mensural@} [84]
@{char@:Mensural semiminima head@:85@:0@:3.63728@:3.15001@:3.15001@:1.81865@:2.
06068@:s2mensural@} [85]
@{char@:Black mensural semibrevis head@:86@:0@:3.63728@:3.15001@:3.15001@:1.818
65@:2.06068@:s0blackmensural@} [86]
@{char@:Petrucci semibrevis head@:87@:0@:6.8994@:4.79124@:4.79124@:3.4497@:3.37
51@:s0petrucci@} [87]
@{char@:Petrucci minima head@:88@:0@:6.8994@:4.79124@:4.79124@:3.4497@:3.3751@:
s1petrucci@} [88]
@{char@:Petrucci semiminima head@:89@:0@:6.8994@:4.79124@:4.79124@:3.4497@:3.37
51@:s2petrucci@} [89]
@{char@:Petrucci colored semibrevis head@:90@:0@:6.8994@:4.79124@:4.79124@:3.44
97@:3.3751@:s0blackpetrucci@} [90]
@{char@:Petrucci colored minima head@:91@:0@:6.8994@:4.79124@:4.79124@:3.4497@:
3.3751@:s1blackpetrucci@} [91]
@{char@:Petrucci colored semiminima head@:92@:0@:6.8994@:4.79124@:4.79124@:3.44
97@:3.3751@:s2blackpetrucci@} [92]
@{char@:Ed. Vat. punctum@:93@:0@:3.45236@:1.96642@:2.13751@:3.45236@:0@:svatica
na.punctum@} [93]
@{char@:Ed. Vat. punctum cavum@:94@:0@:3.45236@:1.96642@:2.13751@:3.45236@:0@:s
vaticana.punctum.cavum@} [94]
@{char@:Ed. Vat. linea punctum@:95@:0@:5.42313@:2.39563@:2.39563@:5.42313@:0@:s
vaticana.linea.punctum@} [95]
@{char@:Ed. Vat. linea punctum cavum@:96@:0@:5.42313@:2.39563@:2.39563@:5.42313
@:0@:svaticana.linea.punctum.cavum@} [96]
@{char@:Ed. Vat. inclinatum@:97@:0@:3.83418@:2.73788@:2.73788@:1.9171@:1.64856@
:svaticana.inclinatum@} [97]
@{char@:Ed. Vat. pes lower punctum@:98@:0@:3.45236@:1.93214@:1.89793@:3.45236@:
0@:svaticana.lpes@} [98]
@{char@:Ed. Vat. pes var lower punctum@:99@:0@:3.45236@:2.68506@:1.14502@:3.452
36@:0@:svaticana.vlpes@} [99]
@{char@:Ed. Vat. pes upper punctum@:100@:0@:3.45236@:1.89795@:1.93213@:3.45236@
:0@:svaticana.upes@} [100]
@{char@:Ed. Vat. var pes upper punctum@:101@:0@:3.45236@:1.35036@:2.47972@:3.45
236@:0@:svaticana.vupes@} [101]
@{char@:Ed. Vat. plica@:102@:0@:2.07144@:1.2888@:1.39145@:2.07144@:0@:svaticana
.plica@} [102]
@{char@:Ed. Vat. var plica@:103@:0@:2.07144@:1.79189@:1.17581@:2.07144@:0@:svat
icana.vplica@} [103]
@{char@:Ed. Vat. epiphonus@:104@:0@:3.45236@:2.27443@:2.30865@:3.45236@:0@:svat
icana.epiphonus@} [104]
@{char@:Ed. Vat. var epiphonus@:105@:0@:3.45236@:3.02734@:1.55574@:3.45236@:0@:
svaticana.vepiphonus@} [105]
@{char@:Ed. Vat. rev. plica@:106@:0@:2.07144@:1.39146@:1.28879@:2.07144@:0@:sva
ticana.reverse.plica@} [106]
@{char@:Ed. Vat. rev. var plica@:107@:0@:2.07144@:2.07933@:0.88837@:2.07144@:0@
:svaticana.reverse.vplica@} [107]
@{char@:Ed. Vat. inner cephalicus@:108@:0@:3.45236@:2.30867@:2.27441@:3.45236@:
0@:svaticana.inner.cephalicus@} [108]
@{char@:Ed. Vat. cephalicus@:109@:0@:3.45236@:7.80151@:2.27441@:3.45236@:0@:sva
ticana.cephalicus@} [109]
@{char@:Ed. Vat. quilisma@:110@:0@:3.45236@:1.9165@:2.46408@:3.45236@:0@:svatic
ana.quilisma@} [110]
@{char@:Solesmes punctum inclinatum parvum@:111@:0@:2.39635@:1.71117@:1.71117@:
1.19818@:0.62184@:ssolesmes.incl.parvum@} [111]
@{char@:Solesmes punctum auctum ascendens@:112@:0@:3.45236@:2.03485@:3.64333@:3
.45236@:0@:ssolesmes.auct.asc@} [112]
@{char@:Solesmes punctum auctum descendens@:113@:0@:3.45236@:3.64334@:2.03484@:
3.45236@:0@:ssolesmes.auct.desc@} [113]
@{char@:Solesmes punctum incl. auctum@:114@:0@:3.83418@:2.73788@:2.73788@:1.917
1@:1.64856@:ssolesmes.incl.auctum@} [114]
@{char@:Solesmes stropha@:115@:0@:3.83418@:2.73788@:2.73788@:1.9171@:1.64856@:s
solesmes.stropha@} [115]
@{char@:Solesmes stropha aucta@:116@:0@:3.83418@:2.73788@:2.73788@:1.9171@:1.64
856@:ssolesmes.stropha.aucta@} [116]
@{char@:Solesmes oriscus@:117@:0@:4.10999@:2.05342@:2.05342@:4.10999@:0@:ssoles
mes.oriscus@} [117]
@{char@:Ed. Med. inclinatum@:118@:0@:5.29358@:3.78@:3.78@:2.64679@:2.69067@:sme
dicaea.inclinatum@} [118]
@{char@:Ed. Med. punctum@:119@:0@:5.03993@:3.15001@:3.15001@:5.03993@:0@:smedic
aea.punctum@} [119]
@{char@:Ed. Med. reverse virga@:120@:0@:5.03993@:3.15001@:15.75002@:5.03993@:0@
:smedicaea.rvirga@} [120]
@{char@:Ed. Med. virga@:121@:0@:5.03993@:15.75002@:3.15001@:5.03993@:0@:smedica
ea.virga@} [121]
@{char@:Hufnagel punctum@:122@:0@:8.99733@:3.15001@:3.15001@:4.49867@:2.06068@:
shufnagel.punctum@} [122]
@{char@:Hufnagel virga@:123@:0@:8.99733@:9.45001@:3.15001@:8.99733@:0@:shufnage
l.virga@} [123]
@{char@:Hufnagel pes lower punctum@:124@:0@:12.6@:2.205@:2.205@:12.6@:0@:shufna
gel.lpes@} [124]
@{char@:Kievan final note@:125@:0@:8.36069@:9.45001@:9.45001@:8.36069@:0@:sM2ki
evan@} [125]
@{char@:Kievan recitative mark@:126@:0@:31.73596@:5.75534@:5.75534@:31.73596@:0
@:sM1kievan@} [126]
@{char@:Kievan whole note@:127@:0@:6.3@:6.3@:6.3@:6.3@:0@:s0kievan@} [127]
@{char@:Kievan quarter note down@:128@:0@:6.42603@:15.75002@:2.51996@:6.42603@:
0@:d2kievan@} [128]
@{char@:Kievan quarter note up@:129@:0@:6.42603@:2.51996@:16.38005@:6.42603@:0@
:u2kievan@} [129]
@{char@:Kievan half note (line position)@:130@:0@:6.678@:10.08005@:6.3@:6.678@:
0@:s1kievan@} [130]
@{char@:Kievan half note (space position)@:131@:0@:6.93004@:6.3@:8.81996@:6.930
04@:0@:sr1kievan@} [131]
@{char@:Kievan eighth note (down)@:132@:0@:7.875@:18.90001@:3.15001@:7.875@:0@:
d3kievan@} [132]
@{char@:Kievan eighth note (up)@:133@:0@:6.3@:2.51996@:18.26997@:6.3@:0@:u3kiev
an@} [133]
@{puorg@:noteheads@}
)
@{tnof@}) )
(some charht values had to be adjusted by as much as 0.17111pt)
(some chardp values had to be adjusted by as much as 0.1711pt)
Font metrics written on parmesan-noteheads26.tfm.
101 output files written: parmesan-noteheads26.33 .. parmesan-noteheads26.133
Transcript written on parmesan-noteheads26.log.

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan-noteheads20.pt1 parmesan-noteheads20.pfb"...

Invoking "fontforge -script parmesan-noteheads20.pe parmesan-noteheads20.pfb"...

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan-noteheads23.pt1 parmesan-noteheads23.pfb"...

Invoking "fontforge -script parmesan-noteheads23.pe parmesan-noteheads23.pfb"...
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.

*** Successfully generated parmesan-noteheads20.pfb! ***

Converting PostScript graphics to Type 1 font programs...

Invoking "t1asm parmesan-noteheads26.pt1 parmesan-noteheads26.pfb"...

Invoking "fontforge -script parmesan-noteheads26.pe parmesan-noteheads26.pfb"...
Failed to change locale.

*** Successfully generated parmesan-noteheads23.pfb! ***
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.

*** Successfully generated parmesan-noteheads26.pfb! ***
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-11.pe
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-13.pe
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-14.pe
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-16.pe
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-18.pe
Failed to change locale.
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-20.pe
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-23.pe
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-26.pe
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-brace.pe
Failed to change locale.
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-brace.pe
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
cd ./out && /usr/pkg/bin/fontforge -script emmentaler-brace.pe
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Copyright (c) 2000-2021. See AUTHORS for Contributors.
 License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
 with many parts BSD <http://fontforge.org/license.html>. Please read LICENSE.
 Version: 20201107
 Based on sources from 2021-07-22 19:02 UTC-ML-D-GDK3.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
Failed to change locale.
/usr/pkg/bin/gmake -C /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2 link-mf-tree
gmake[2]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2'
rm -f ./out/share/lilypond/current/fonts/otf/* &&  \
rm -f ./out/share/lilypond/current/fonts/svg/* &&  \
rm -f ./out/share/lilypond/current/fonts/fonts.conf &&  \
rm -f ./out/share/lilypond/current/fonts/tfm/* &&  \
rm -f ./out/share/lilypond/current/fonts/type1/* &&  \
	cd ./out/share/lilypond/current/fonts/otf && \
	ln -s ../../../../../../mf/out/*.otf .
cd ./out/share/lilypond/current/fonts && \
	ln -s ../../../../../mf/out/fonts.conf .
cd ./out/share/lilypond/current/fonts/svg && \
	ln -s ../../../../../../mf/out/*.svg .
cd ./out/share/lilypond/current/fonts/svg && \
	ln -s ../../../../../../mf/out/*.woff .
cd ./out/share/lilypond/current/fonts/tfm && \
	ln -s ../../../../../../mf/out/*.tfm .
cd ./out/share/lilypond/current/fonts/type1 && \
	ln -s ../../../../../../mf/out/*.pf? .
touch ./out/share/lilypond/current/mf-link-tree
gmake[2]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2'
true
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/mf'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/ly'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
true
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/ly'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/tex'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
true
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/tex'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/ps'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
true
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/ps'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scm'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
true
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scm'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/po'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
msgfmt -o out/ca.mo ca.po
msgfmt -o out/cs.mo cs.po
msgfmt -o out/da.mo da.po
msgfmt -o out/de.mo de.po
msgfmt -o out/el.mo el.po
msgfmt -o out/eo.mo eo.po
msgfmt -o out/es.mo es.po
msgfmt -o out/fi.mo fi.po
msgfmt -o out/fr.mo fr.po
msgfmt -o out/it.mo it.po
msgfmt -o out/ja.mo ja.po
msgfmt -o out/nl.mo nl.po
msgfmt -o out/ru.mo ru.po
msgfmt -o out/sv.mo sv.po
msgfmt -o out/tr.mo tr.po
msgfmt -o out/uk.mo uk.po
msgfmt -o out/vi.mo vi.po
msgfmt -o out/zh_TW.mo zh_TW.po
true
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/po'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/vim'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
cd /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2 && /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lilypond-words --words --vim --dir=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/vim/out
cd /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2 && /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lilypond-words --words --vim --dir=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/vim/out
true
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/vim'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
/usr/pkg/bin/gmake PACKAGE=LILYPOND package=lilypond -C regression all && true
gmake[2]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
/usr/pkg/bin/gmake PACKAGE=LILYPOND package=lilypond -C midi all &&  /usr/pkg/bin/gmake PACKAGE=LILYPOND package=lilypond -C musicxml all &&  /usr/pkg/bin/gmake PACKAGE=LILYPOND package=lilypond -C abc2ly all &&  /usr/pkg/bin/gmake PACKAGE=LILYPOND package=lilypond -C lilypond-book all && true
gmake[3]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression/midi'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
true
gmake[3]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression/midi'
gmake[3]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression/musicxml'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
true
gmake[3]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression/musicxml'
gmake[3]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression/abc2ly'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
true
gmake[3]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression/abc2ly'
gmake[3]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression/lilypond-book'
GNUmakefile:24: warning: overriding recipe for target 'out/collated-files.list'
../../../make/lysdoc-rules.make:6: warning: ignoring old recipe for target 'out/collated-files.list'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
GNUmakefile:24: warning: overriding recipe for target 'out/collated-files.list'
../../../make/lysdoc-rules.make:6: warning: ignoring old recipe for target 'out/collated-files.list'
true
gmake[3]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression/lilypond-book'
gmake[2]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression'
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input'
gmake[1]: Entering directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation'
mkdir -p ./out
touch ./out/dummy.dep
echo '*' > ./out/.gitignore
/usr/pkg/bin/python2.7 -tt /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/create-version-itexi.py > out/version.itexi
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/ancient-notation.itely --template=snippets/ancient-notation-intro.itely < snippets/ancient-notation.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/chords.itely --template=snippets/chords-intro.itely < snippets/chords.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/contexts-and-engravers.itely --template=snippets/contexts-and-engravers-intro.itely < snippets/contexts-and-engravers.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/editorial-annotations.itely --template=snippets/editorial-annotations-intro.itely < snippets/editorial-annotations.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/expressive-marks.itely --template=snippets/expressive-marks-intro.itely < snippets/expressive-marks.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/fretted-strings.itely --template=snippets/fretted-strings-intro.itely < snippets/fretted-strings.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/keyboards.itely --template=snippets/keyboards-intro.itely < snippets/keyboards.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/midi.itely --template=snippets/midi-intro.itely < snippets/midi.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/paper-and-layout.itely --template=snippets/paper-and-layout-intro.itely < snippets/paper-and-layout.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/percussion.itely --template=snippets/percussion-intro.itely < snippets/percussion.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/pitches.itely --template=snippets/pitches-intro.itely < snippets/pitches.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/repeats.itely --template=snippets/repeats-intro.itely < snippets/repeats.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/rhythms.itely --template=snippets/rhythms-intro.itely < snippets/rhythms.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/simultaneous-notes.itely --template=snippets/simultaneous-notes-intro.itely < snippets/simultaneous-notes.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/spacing.itely --template=snippets/spacing-intro.itely < snippets/spacing.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/staff-notation.itely --template=snippets/staff-notation-intro.itely < snippets/staff-notation.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/template.itely --template=snippets/template-intro.itely < snippets/template.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/text.itely --template=snippets/text-intro.itely < snippets/text.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/titles.itely --template=snippets/titles-intro.itely < snippets/titles.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/tweaks-and-overrides.itely --template=snippets/tweaks-and-overrides-intro.itely < snippets/tweaks-and-overrides.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/unfretted-strings.itely --template=snippets/unfretted-strings-intro.itely < snippets/unfretted-strings.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/vocal-music.itely --template=snippets/vocal-music-intro.itely < snippets/vocal-music.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/winds.itely --template=snippets/winds-intro.itely < snippets/winds.snippet-list
xargs /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/lys-to-tely -f doctitle,texidoc,verbatim --name=out/world-music.itely --template=snippets/world-music-intro.itely < snippets/world-music.snippet-list
mkdir -p snippets/out
touch out/.info-images-dir-dep
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/makesnippets ./snippets snippets/out .
/usr/pkg/bin/python2.7 -tt /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/create-weblinks-itexi.py > out/weblinks.itexi
langdefs.py: warning: lilypond-doc gettext domain not found.
langdefs.py: warning: lilypond-doc gettext domain not found.
BSTINPUTS=./essay /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/bib2texi \
	-s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/lily-bib \
	-o ./out/colorado.itexi \
	-q \
	./essay/colorado.bib
BSTINPUTS=./essay /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/bib2texi \
	-s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/lily-bib \
	-o ./out/computer-notation.itexi \
	-q \
	./essay/computer-notation.bib
BSTINPUTS=./essay /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/bib2texi \
	-s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/lily-bib \
	-o ./out/engravingbib.itexi \
	-q \
	./essay/engravingbib.bib
cp /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/ROADMAP ./out
cd ./out && /var/pkgsrc/work/print/lilypond/work/.tools/bin/bison -v /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/lily/parser.yy
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/lily/parser.yy:57.1-14: warning: deprecated directive: '%error-verbose', use '%define parse.error verbose' [-Wdeprecated]
   57 | %error-verbose
      | ^~~~~~~~~~~~~~
      | %define parse.error verbose
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/lily/parser.yy:100.1-12: warning: deprecated directive: '%pure-parser', use '%define api.pure' [-Wdeprecated]
  100 | %pure-parser
      | ^~~~~~~~~~~~
      | %define api.pure
BSTINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/web/ /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/bib2texi \
	-s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/lily-bib \
	-o ./out/we-wrote.itexi \
	-q \
	/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/web/we-wrote.bib
BSTINPUTS=/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/web/ /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/bib2texi \
	-s /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/lily-bib \
	-o ./out/others-did.itexi \
	-q \
	/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/web/others-did.bib
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/lily/parser.yy: warning: fix-its can be applied.  Rerun with option '--update'. [-Wother]
mkdir -p out
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/yyout2grammar ./out/parser.output out/ly-grammar.txt
touch out/ly-snippets.dep
mkdir -p out/
( echo ./out/web.texi:  > out/web.dep ) && cp -f web.texi out/web.texi
cd ./out && /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/out/bin/lilypond --verbose /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/ly/generate-documentation" "generate-documentation.log"
mkdir -p out/
( echo ./out/contributor.texi:  > out/contributor.dep ) && cp -f contributor.texi out/contributor.texi
LILYPOND_VERSION=2.18.2 /usr/pkg/bin/python2.7 -tt ../scripts/lilypond-book.py -I . -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression --process='true -dbackend=eps --formats=ps,png,pdf  -dinclude-eps-fonts -dgs-load-fonts --header=doctitle --header=doctitlecs --header=doctitlede --header=doctitlees --header=doctitlefr --header=doctitlehu --header=doctitleit --header=doctitleja --header=doctitlenl --header=doctitlezh --header=texidoc --header=texidoccs --header=texidocde --header=texidoces --header=texidocfr --header=texidochu --header=texidocit --header=texidocja --header=texidocnl --header=texidoczh -dcheck-internal-types -ddump-signatures -danti-alias-factor=2' --output=./out --format=texi --loglevel=WARN  --skip-lily-check --lily-output-dir /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/out/lybook-db --redirect-lilypond-output usage.tely
langdefs.py: warning: lilypond-doc gettext domain not found.
LILYPOND_VERSION=2.18.2 /usr/pkg/bin/python2.7 -tt ../scripts/lilypond-book.py -I . -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression --process='true -dbackend=eps --formats=ps,png,pdf  -dinclude-eps-fonts -dgs-load-fonts --header=doctitle --header=doctitlecs --header=doctitlede --header=doctitlees --header=doctitlefr --header=doctitlehu --header=doctitleit --header=doctitleja --header=doctitlenl --header=doctitlezh --header=texidoc --header=texidoccs --header=texidocde --header=texidoces --header=texidocfr --header=texidochu --header=texidocit --header=texidocja --header=texidocnl --header=texidoczh -dcheck-internal-types -ddump-signatures -danti-alias-factor=2' --output=./out --format=texi --loglevel=WARN  --skip-lily-check --lily-output-dir /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/out/lybook-db --redirect-lilypond-output snippets.tely
langdefs.py: warning: lilypond-doc gettext domain not found.
LILYPOND_VERSION=2.18.2 /usr/pkg/bin/python2.7 -tt ../scripts/lilypond-book.py -I . -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression --process='true -dbackend=eps --formats=ps,png,pdf  -dinclude-eps-fonts -dgs-load-fonts --header=doctitle --header=doctitlecs --header=doctitlede --header=doctitlees --header=doctitlefr --header=doctitlehu --header=doctitleit --header=doctitleja --header=doctitlenl --header=doctitlezh --header=texidoc --header=texidoccs --header=texidocde --header=texidoces --header=texidocfr --header=texidochu --header=texidocit --header=texidocja --header=texidocnl --header=texidoczh -dcheck-internal-types -ddump-signatures -danti-alias-factor=2' --output=./out --format=texi --loglevel=WARN  --skip-lily-check --lily-output-dir /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/out/lybook-db --redirect-lilypond-output notation.tely
langdefs.py: warning: lilypond-doc gettext domain not found.
LILYPOND_VERSION=2.18.2 /usr/pkg/bin/python2.7 -tt ../scripts/lilypond-book.py -I . -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression --process='true -dbackend=eps --formats=ps,png,pdf  -dinclude-eps-fonts -dgs-load-fonts --header=doctitle --header=doctitlecs --header=doctitlede --header=doctitlees --header=doctitlefr --header=doctitlehu --header=doctitleit --header=doctitleja --header=doctitlenl --header=doctitlezh --header=texidoc --header=texidoccs --header=texidocde --header=texidoces --header=texidocfr --header=texidochu --header=texidocit --header=texidocja --header=texidocnl --header=texidoczh -dcheck-internal-types -ddump-signatures -danti-alias-factor=2' --output=./out --format=texi --loglevel=WARN  --skip-lily-check --lily-output-dir /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/out/lybook-db --redirect-lilypond-output music-glossary.tely
langdefs.py: warning: lilypond-doc gettext domain not found.
LILYPOND_VERSION=2.18.2 /usr/pkg/bin/python2.7 -tt ../scripts/lilypond-book.py -I . -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression --process='true -dbackend=eps --formats=ps,png,pdf  -dinclude-eps-fonts -dgs-load-fonts --header=doctitle --header=doctitlecs --header=doctitlede --header=doctitlees --header=doctitlefr --header=doctitlehu --header=doctitleit --header=doctitleja --header=doctitlenl --header=doctitlezh --header=texidoc --header=texidoccs --header=texidocde --header=texidoces --header=texidocfr --header=texidochu --header=texidocit --header=texidocja --header=texidocnl --header=texidoczh -dcheck-internal-types -ddump-signatures -danti-alias-factor=2' --output=./out --format=texi --loglevel=WARN  --skip-lily-check --lily-output-dir /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/out/lybook-db --redirect-lilypond-output learning.tely
langdefs.py: warning: lilypond-doc gettext domain not found.
LILYPOND_VERSION=2.18.2 /usr/pkg/bin/python2.7 -tt ../scripts/lilypond-book.py -I . -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression --process='true -dbackend=eps --formats=ps,png,pdf  -dinclude-eps-fonts -dgs-load-fonts --header=doctitle --header=doctitlecs --header=doctitlede --header=doctitlees --header=doctitlefr --header=doctitlehu --header=doctitleit --header=doctitleja --header=doctitlenl --header=doctitlezh --header=texidoc --header=texidoccs --header=texidocde --header=texidoces --header=texidocfr --header=texidochu --header=texidocit --header=texidocja --header=texidocnl --header=texidoczh -dcheck-internal-types -ddump-signatures -danti-alias-factor=2' --output=./out --format=texi --loglevel=WARN  --skip-lily-check --lily-output-dir /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/out/lybook-db --redirect-lilypond-output extending.tely
langdefs.py: warning: lilypond-doc gettext domain not found.
LILYPOND_VERSION=2.18.2 /usr/pkg/bin/python2.7 -tt ../scripts/lilypond-book.py -I . -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression --process='true -dbackend=eps --formats=ps,png,pdf  -dinclude-eps-fonts -dgs-load-fonts --header=doctitle --header=doctitlecs --header=doctitlede --header=doctitlees --header=doctitlefr --header=doctitlehu --header=doctitleit --header=doctitleja --header=doctitlenl --header=doctitlezh --header=texidoc --header=texidoccs --header=texidocde --header=texidoces --header=texidocfr --header=texidochu --header=texidocit --header=texidocja --header=texidocnl --header=texidoczh -dcheck-internal-types -ddump-signatures -danti-alias-factor=2' --output=./out --format=texi --loglevel=WARN  --skip-lily-check --lily-output-dir /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/out/lybook-db --redirect-lilypond-output essay.tely
langdefs.py: warning: lilypond-doc gettext domain not found.
LILYPOND_VERSION=2.18.2 /usr/pkg/bin/python2.7 -tt ../scripts/lilypond-book.py -I . -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression --process='true -dbackend=eps --formats=ps,png,pdf  -dinclude-eps-fonts -dgs-load-fonts --header=doctitle --header=doctitlecs --header=doctitlede --header=doctitlees --header=doctitlefr --header=doctitlehu --header=doctitleit --header=doctitleja --header=doctitlenl --header=doctitlezh --header=texidoc --header=texidoccs --header=texidocde --header=texidoces --header=texidocfr --header=texidochu --header=texidocit --header=texidocja --header=texidocnl --header=texidoczh -dcheck-internal-types -ddump-signatures -danti-alias-factor=2' --output=./out --format=texi --loglevel=WARN  --skip-lily-check --lily-output-dir /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/out/lybook-db --redirect-lilypond-output changes.tely
langdefs.py: warning: lilypond-doc gettext domain not found.
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --output=out/lilypond-usage.info out/usage.texi"  "usage.makeinfo.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --output=out/lilypond-changes.info out/changes.texi"  "changes.makeinfo.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --output=out/lilypond-contributor.info out/contributor.texi"  "contributor.makeinfo.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --output=out/lilypond-internals.info out/internals.texi"  "internals.makeinfo.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --output=out/lilypond-essay.info out/essay.texi"  "essay.makeinfo.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --output=out/lilypond-learning.info out/learning.texi"  "learning.makeinfo.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --output=out/lilypond-notation.info out/notation.texi"  "notation.makeinfo.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --output=out/music-glossary.info out/music-glossary.texi" "music-glossary.makeinfo.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --output=out/lilypond-web.info out/web.texi"  "web.makeinfo.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --output=out/lilypond-extending.info out/extending.texi"  "extending.makeinfo.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --no-split --no-headers --output out/contributor.txt out/contributor.texi"  "contributor.makeinfotxt.log"
/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/scripts/build/out/run-and-check "LANG= /var/pkgsrc/work/print/lilypond/work/.tools/bin/makeinfo --enable-encoding --error-limit=0 -I ./out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/snippets/out -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/included -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation/pictures -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation -I /var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/input/regression -I. -I./out --no-split --no-headers --output out/web.txt out/web.texi"  "web.makeinfotxt.log"

Please check the logfile web.makeinfo.log for errors

gmake[1]: *** [GNUmakefile:202: out/lilypond-web.info] Error 1
gmake[1]: *** Waiting for unfinished jobs....

Please check the logfile web.makeinfotxt.log for errors

gmake[1]: *** [/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/stepmake/stepmake/texinfo-rules.make:77: out/web.txt] Error 1
gmake[1]: Leaving directory '/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/Documentation'
gmake: *** [/var/pkgsrc/work/print/lilypond/work/lilypond-2.18.2/stepmake/stepmake/generic-targets.make:6: all] Error 2
*** Error code 2

Stop.
bmake[1]: stopped in /usr/pkgsrc/print/lilypond
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/print/lilypond